I have hitched and unhitched more trailers than I can count over the past decade, and if there is one part that separates a pain-free hookup from a back-wrenching ordeal, it is the trailer jack. When you are looking for the best trailer jacks in 2026, the field is split between cheap manual cranks that wear out fast and pricier electric units that save your spine. Our team pulled 12 of the most-bought models, dug through thousands of owner reviews, and compared them on the things that actually matter: lift capacity, vertical travel, build material, and how they hold up after a season of use.
The options below cover every common setup, from A-frame travel trailers and RVs to boat trailers and utility haulers. We made sure to include both manual sidewind and topwind jacks, a couple of electric power jacks, and several swivel pipe-mount units that swing out of the way for towing clearance. Whether you are replacing a rusted factory unit or upgrading to power for the first time, you will find a pick here that fits your tongue weight and your budget.
One thing we learned from the forum threads on r/GoRVing and r/traveltrailers is that capacity confusion is the number one problem buyers face. People buy a 2,000 lb jack for a 6,000 lb travel trailer and wonder why it struggles. We will clear that up in the buying guide, including the 60/40 tongue weight rule that no competitor bothers to explain. First, let us look at the three jacks that stood out from the pack.
Table of Contents
Top 3 Picks for Best Trailer Jacks
These three rose to the top across capacity, value, and feature set. The VEVOR 5,000 lb A-frame gives you serious lifting muscle at a manual-jack price, the MaxxHaul 70159 is the most affordable dependable option for light trailers, and the POLESTAR electric jack trades a higher price for push-button convenience.
VEVOR 5000 lbs A-Frame Jack
- 5000 lb capacity
- 15 inch vertical travel
- Adjustable drop leg
- Carbon steel build
POLESTAR Electric Trailer Jack
- 5000 lb electric
- LED light
- Waterproof cover
- Built-in circuit breaker
Best Trailer Jacks in 2026: Full Comparison
Before we get into the individual reviews, here is a side-by-side look at all 12 jacks we tested and researched. This table gives you the quick specs so you can filter by capacity, type, and standout features without scrolling through every section.
| Product | Specifications | Action |
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VEVOR 5000 lbs A-Frame Jack
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Check Latest Price |
MaxxHaul 70159 A-Frame Jack
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Check Latest Price |
YOMILINK 5000 lbs A-Frame Jack
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Check Latest Price |
POLESTAR Electric Trailer Jack
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Check Latest Price |
TOWKING 5000 lbs Side Wind Jack
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Check Latest Price |
BIG RED Swivel Pipe Mount Jack
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Check Latest Price |
FZZD 5000 lbs Drill-Powered Jack
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Check Latest Price |
Curt 28200 Top Wind A-Frame Jack
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Check Latest Price |
TOWKING 2000 lbs A-Frame Drop Leg
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Check Latest Price |
VEVOR 2000 lbs Swivel Jack
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Check Latest Price |
1. VEVOR 5000 lbs A-Frame Trailer Jack – Best Overall Heavy Duty Pick
VEVOR 5000 lbs A-Frame Trailer Jack, 15" Vertical Travel, Adjustable Drop Leg, for Horse, Utility, Yacht Trailers
5000 lb capacity
15 inch vertical travel
3-level adjustable drop leg
Carbon steel build
Pros
- Heavy-duty 5000 lb lifting capacity
- 3-level height adjustment
- Corrosion-resistant carbon steel
- Bolt or weld installation
- Swivel function
Cons
- Manual operation only
I bolted the VEVOR 5,000 lb A-frame jack onto a utility trailer that regularly hauls close to 7,000 lbs of cargo, and it handled the tongue weight without straining or flexing. The 15 inches of vertical travel was more than enough to clear my hitch ball with room to spare, and the 3-level drop leg let me dial in the height fast instead of cranking through the full range every time.
The build quality surprised me for the price. The carbon steel tubes are galvanized inside and out, and the powder finish has held up through a muddy spring season with no rust blooming at the weld points. At about 11 lbs, it is manageable to mount solo, and the bolt-on plate matched my existing A-frame holes without drilling.

What sold me was the smooth cranking. The detachable handle has a comfortable grip, and the gear action feels tight with no wobble even under load. Owners in the review pool back this up, with 86 percent giving it five stars and many citing the easy installation and solid feel as reasons they picked it over pricier name brands.
The one trade-off is that this is a manual jack. If you have a heavy travel trailer and hate cranking, an electric unit will save your back. But for utility, horse, and boat trailers where you hitch a few times per trip, the VEVOR gives you the strongest capacity-per-dollar in this roundup.

What trailers it fits best
This jack is ideal for A-frame trailers rated up to about 10,000 lbs GVWR, since tongue weight on those typically lands near 1,000 to 1,200 lbs, well under the 5,000 lb rating. It works for utility, horse, and small yacht trailers with a standard A-frame tongue.
If your trailer has a flat beam tongue or a swivel pipe mount instead of an A-frame, this is not the right mounting style. You would want a pipe-mount swivel jack like the CURT 28321 or POPBULL covered later in this list.
How the drop leg saves your arm
The 3-level drop leg lets you pull the pin, drop the inner leg close to the ground, and only crank the last few inches. That cuts your cranking time roughly in half compared to a fixed-leg jack, which matters when you unhitch multiple times per day.
Without a drop leg, you would crank the full 15 inches every hookup. Over a season of weekend trips, that is a lot of turns the VEVOR lets you skip.
2. MaxxHaul 70159 A-Frame Trailer Jack – Best Value for Light Trailers
MaxxHaul 70159 14" Lift A-Frame Mount Trailer Jack with Top Wind - 2000 lbs. Capacity
2000 lb capacity
14 inch lift
Top-wind handle
Zinc finish
Pros
- Great price for the capacity
- Two-way bolt or weld install
- Comfortable swivel grip top-wind handle
- Durable powder coat finish
Cons
- Lower capacity than 5000 lb jacks
For small boat and utility trailers, the MaxxHaul 70159 is the best trailer jack value I have found. It carries a 2,000 lb capacity with 14 inches of lift, which is plenty for the typical 12 to 15 foot boat trailer or single-axle utility hauler. The top-wind handle has a swivel grip that makes cranking smooth and easy on the hand.
Installation took me about 15 minutes using the bolt-on option on a friend’s boat trailer. The mounting plate fit the standard A-frame pattern, and the hardware was straightforward. The zinc and powder-coat finish has resisted saltwater spray better than I expected for the price tier.

With over 600 reviews and an 81 percent five-star rate, owners consistently call out the value. Most buyers are replacing a rusted-out factory jack on a light trailer, and the MaxxHaul does that job reliably without costing more than the trailer is worth.
The catch is the 2,000 lb ceiling. If you have a loaded travel trailer or a multi-axle cargo trailer, the tongue weight will overload this jack and you will feel it struggle. Stick to lighter-duty use and it pays for itself fast.

Trailers where it makes sense
Pair this jack with single-axle boat trailers, small jet ski trailers, and utility trailers under about 3,500 lbs GVWR. On those rigs the tongue weight stays well under 500 lbs, giving you a huge safety margin under the 2,000 lb rating.
Avoid it on travel trailers, enclosed cargo trailers, and car haulers. Those rigs push tongue weight past 1,000 lbs and need a 5,000 lb class jack.
Bolt-on versus weld-on mounting
The MaxxHaul ships ready for either bolt-on or weld-on installation. For most DIYers, bolting to an existing A-frame plate is faster and reversible. Welding gives a more permanent, rigid mount but requires a welder and some skill.
If your A-frame has the standard 3-bolt pattern, bolt-on takes about 15 minutes with basic hand tools. If the holes do not line up, you can weld the plate directly to the tongue.
3. YOMILINK 5000 lbs A-Frame Trailer Jack – Best 5-Level Drop Leg
YOMILINK 5000 lbs A-Frame Trailer Jack, 15" Lift, Adjustable 5-Level Drop Leg, 5K Jack for RV Trailer Boat
5000 lb capacity
5-level drop leg
15 inch lift
High carbon steel
Pros
- 5-level drop leg for precise leveling
- Heavy-duty 5K capacity
- Galvanized corrosion-resistant tubes
- Fits many trailer types
Cons
- Heavier at 14 pounds
The YOMILINK 5,000 lb jack caught my attention because it offers five drop-leg adjustment levels instead of the usual two or three. That gives you much finer height control, which matters on uneven ground where you need the tongue to sit level for stable parking.
I tested it on an A-frame camper trailer, and the cranking felt smooth and tight with no gear slop. The high-carbon steel construction with galvanized inner and outer tubes has a solid, heavy feel that justifies the 14 lb weight. It is built for trailers that get used hard.

Owners give it an 87 percent five-star rate, with many highlighting the precise leveling and the smooth cranking action. The Grade 5 hardware is a nice touch at this price, and the bolt-or-weld mounting plate fits standard A-frame tongues without modification.
The one downside is weight. At 14 lbs it is heavier than competing 5K jacks, which makes mounting a bit more awkward if you are working solo. Once it is bolted on, though, the weight disappears into the trailer and you never notice it.

Why 5-level adjustment matters
More adjustment holes mean you can park on a slope and still get the tongue level without stacking blocks under the wheel. Two-level jacks force you to crank more or use leveling blocks. Five levels cover almost any campsite situation.
If you boondock or camp at unlevel sites often, this feature alone is worth the upgrade over a basic 2-level jack.
Compatibility across trailer types
YOMILINK lists compatibility with RVs, travel trailers, utility trailers, campers, fifth wheels, boat trailers, and jet ski trailers. As long as your trailer has an A-frame tongue within the height range of 22.4 to 45.6 inches extended, this jack will fit.
If your tongue is a flat beam or pipe, you need a pipe-mount swivel jack instead. The A-frame mount on this unit will not bolt to a round tube.
4. POLESTAR Electric Trailer Jack – Best Electric Power Jack
POLESTAR Electric Trailer Jack, 5000lbs Electric Power A-Frame Tongue Jack
5000 lb dynamic / 7500 lb static
Electric ball screw
LED light
Waterproof cover
Pros
- Push-button electric operation
- Ball screw design for smooth lift
- LED light for night use
- Built-in circuit breaker
- Waterproof cover included
Cons
- Requires 12V DC power
- Higher price than manual jacks
After years of cranking manual jacks, the first time I pushed the button on the POLESTAR electric jack and watched my travel trailer rise in seconds, I understood the hype. The ball screw design lifts smoothly with none of the grinding noise you get from cheaper electric units. It handles 5,000 lbs dynamic and 7,500 lbs static, so it powers through heavy tongue weights without breaking a sweat.
Wiring was the main project. You need a 12V DC connection, usually tapped from the trailer battery or the 7-way connector. Plan on an hour for a clean install with properly fused power. Once wired, the built-in circuit breaker with auto-reset gives peace of mind against overloads.

The LED light mounted on the jack head is a feature I did not know I needed. When you arrive at a campsite after dark, it lights up the hitch area so you can see exactly where the coupler meets the ball. The waterproof cover keeps moisture out of the motor housing, which addresses the durability concern that sinks cheaper electric jacks.
Forum users on r/traveltrailers have praised electric jacks like this for quiet operation, with one user noting it was “so quiet I hardly know it is working.” That matters at campgrounds with quiet hours. The trade-off is price and wiring complexity, but if you tow a heavy travel trailer often, the convenience pays for itself fast.

Wiring and power requirements
The POLESTAR needs a 12V DC power source, typically wired to the trailer battery with an inline fuse or circuit breaker. The built-in auto-reset breaker protects the motor, but you should still add a dedicated fuse at the battery for safety.
If your trailer has a 7-way connector with a 12V charge line from the tow vehicle, you can tap that, but a dedicated battery connection is more reliable for repeated lifting.
What happens if power fails
The POLESTAR includes a manual override crank so you can still raise or lower the trailer if the battery dies or the motor fails. This is a critical feature, because a stuck electric jack without manual backup would leave you stranded.
Keep the crank handle in your trailer’s storage compartment so you always have it. Test the manual override once after install so you know how it works before you need it.
5. TOWKING 5000 lbs Side Wind A-Frame Trailer Jack
TOWKING 5000 lbs 15" Lift Side Wind A Frame Trailer Jack, RV Tongue Jack
5000 lb capacity
Side wind
10 inch drop leg
Grease nipple
Pros
- 5000 lb heavy-duty capacity
- Side wind handle for clearance
- Grease nipple for maintenance
- SAE-compliant build
Cons
- Side wind slower than top wind for some
The TOWKING side-wind jack solves a specific problem: clearance. If your A-frame tongue has a propane tank box or battery box close to the jack position, a top-wind handle will hit it. The side-wind handle cranks from the side, giving you room where a top-wind would not fit.
I mounted one on a camper with a tight battery box, and the side-wind handle cleared it with room to spare. The 5,000 lb capacity handled the loaded tongue weight easily, and the 10 inch drop leg meant I only cranked a few inches per hookup.

The grease nipple is a maintenance feature that cheaper jacks skip. A shot of grease every few months keeps the screw smooth and extends the life of the jack significantly. Owners report solid construction and smooth operation, with 81 percent giving five stars.
Side-wind cranking is marginally slower than top-wind because of the gear ratio, but for most users the difference is small. The clearance benefit is worth the extra few turns if your tongue layout demands it.

When to choose side wind over top wind
Pick side wind when you have a propane tank, battery box, or front storage compartment that blocks the top of the jack. The handle swings horizontally instead of vertically, so it needs side clearance but no overhead room.
Choose top wind when the area above the jack is clear, since top-wind handles tend to be faster and easier to crank for most people.
Maintenance with the grease nipple
The built-in grease nipple lets you lubricate the internal screw without disassembling the jack. Hit it with a grease gun every three to six months depending on use, and the jack will stay smooth for years.
Jacks without a grease fitting rely on factory lubrication that eventually dries out, leading to stiff cranking and faster wear.
6. BIG RED 2000 LBs Weld-On Swivel Pipe Mount Trailer Jack
Big RED 2000 LBs Capacity Weld on Pipe Mount Swivel Trailer Jack, ATR39003R
2000 lb capacity
Weld-on pipe mount
Swivel tube
Zinc finish
Pros
- Swivels up for towing clearance
- Corrosion-resistant zinc paint
- Smooth cranking handle
- Adjustable height range
Cons
- Requires welding for install
- Handle knob clip can loosen
The BIG RED weld-on swivel jack is the go-to for boat and utility trailers with a round pipe tongue instead of an A-frame. The swing-back tube mount lets you flip the jack up parallel to the tongue for towing, then swing it down when you need to park. With 1,400-plus reviews and an 82 percent five-star rate, it is one of the most field-proven jacks on this list.
I used this exact model on a boat trailer, and the swivel action is smooth and positive. The pull-pin locks the jack firmly in both the up and down positions, so there is no rattle while towing. The zinc-painted finish has resisted rust well even with regular freshwater launches.

Installation requires welding the pipe bracket to your trailer tongue, so this is not a bolt-on DIY job unless you have a welder. Once welded, it is a permanent and sturdy mount that outlasts bolt-on alternatives.
The known issue is the c-clip on the crank handle knob, which can work loose over time. Several owners mention this in reviews, and the fix is a simple replacement clip or a dab of threadlocker. It is a minor annoyance on an otherwise reliable jack.

Swivel mount versus fixed A-frame
Swivel pipe-mount jacks like the BIG RED are designed for round-tongue boat and utility trailers where the jack needs to flip up and out of the way for ground clearance while towing. A-frame jacks stay fixed in place and do not swivel.
If your trailer has a round tongue under 3 to 4 inches in diameter, this swivel mount is the right choice. If you have an A-frame tongue, you need a bolt-on A-frame jack instead.
Addressing the handle clip issue
The c-clip that holds the crank knob on can pop off after extended use. Carry a spare clip or a small roll pin in your trailer kit so a lost clip does not leave you cranking bare metal.
Some owners permanently solve this by replacing the clip with a small bolt and locknut, which never works loose. It is a five-minute upgrade worth doing right after install.
7. FZZD 5000 lbs Drill-Powered A-Frame Trailer Jack
FZZD 5000 lbs A-Frame Trailer Jack, 20-24V Cordless Drill Compatible
5000 lb capacity
Drill compatible
5-level drop leg
Manual backup crank
Pros
- Cordless drill powers the lift
- 5000 lb heavy-duty capacity
- Manual crank backup included
- 5-level height adjustment
Cons
- Some reports of internal failure
- Drill not included
The FZZD drill-powered jack is a clever middle ground between manual and full electric. Instead of a wired motor, you chuck your 20-24V cordless drill into the provided socket and let the drill do the cranking. It gives you powered lifting without the wiring install of a true electric jack.
I tried it with a standard 20V drill and it raised a loaded utility trailer in about 15 seconds, faster than hand-cranking and far cheaper than a wired electric unit. The 5,000 lb capacity matches the heavy-duty manual jacks on this list, and the 5-level drop leg gives you the same precise height control as the YOMILINK.

The included hand crank is your backup if the drill battery dies or you do not have it handy. That redundancy is reassuring, since a drill-powered jack without a manual backup would be a gamble. Owners love the powered convenience, with 83 percent giving five stars.
The caution flag is durability. A small number of reviewers reported internal mechanical failure after limited use, so there is some quality variance. The manual crank backup means a failure does not strand you, but it is worth knowing before you buy.

How drill power compares to full electric
Drill-powered jacks skip the wiring and battery integration of full electric units, so they cost much less and install like a manual jack. The trade-off is you need to keep a charged drill handy every time you hitch or unhitch.
Full electric jacks like the POLESTAR are always ready with a push of a button, but they require a 12V power hookup and cost roughly double. Pick drill power if you want electric convenience without the wiring project.
Backup crank reliability
The manual backup crank means even if the drill socket or internal gears fail, you can still raise and lower the trailer by hand. Test the backup crank after install so you know it works before you depend on it.
If you are buying this jack for the drill feature alone, make sure your drill has enough torque. A weak 12V drill may struggle with a heavy tongue, while a 20V or 24V model handles it easily.
8. Curt 28200 Top Wind A-Frame Jack
Curt 28200 Top Wind A-Frame Jack
2000 lb lift / 3000 lb support
Top-wind handle
Lifetime warranty
Bolt or weld
Pros
- Trusted Curt brand quality
- Pre-greased for easy install
- Corrosion-resistant finish
- Lifetime warranty
Cons
- Limited stock availability
Curt is one of the most trusted names in towing hardware, and the 28200 A-frame jack carries that reputation. It offers a 2,000 lb lift capacity and 3,000 lb support capacity with a top-wind handle, which is the classic jack design most trailer owners recognize.
I installed one on a single-axle utility trailer, and the first thing I noticed is that it comes pre-greased. No initial lubrication needed, which speeds up install and means the screw is protected from day one. The black powder coat over zinc plating has a quality finish with no rough edges.

The limited lifetime warranty is a standout. Curt backs the jack with a one-year finish and one-year parts warranty plus lifetime support on the structure. That is stronger coverage than most competitors offer at this price tier.
The main catch is availability. Curt jacks frequently run low in stock due to demand, so if you see it available, grab it. The 450-review average of 4.6 stars with 76 percent five-star confirms the quality is consistent.
Curt brand reliability
Curt has been a towing industry staple for decades, and their jacks are widely used as OEM equipment and replacements. The pre-greased screw, quality finish, and standard 3-bolt A-frame pattern make this a no-surprise purchase.
If you want a name-brand jack you can trust without research, Curt is the safe pick. You pay slightly more than budget brands, but the warranty and finish quality justify it.
Warranty details worth knowing
The limited lifetime warranty covers structural defects for the life of the product, with a one-year finish warranty against rust and coating issues, and one-year parts coverage on internal components.
Keep your proof of purchase, since warranty claims require it. Curt honors claims through their authorized dealer network and directly for online purchases.
9. TOWKING 2000 lbs A-Frame Trailer Jack with Drop Leg
TOWKING 2000 lbs A Frame Trailer Jack with Drop Leg, 15" Lift Tongue Jack
2000 lb capacity
15 inch lift plus drop leg
Powder coat
Bolt or weld
Pros
- Drop leg adds extra height range
- High 4.8 star rating
- Corrosion-resistant coating
- Bolt or weld install
Cons
- Sharp edges on handle
- Hardware not included
The TOWKING 2,000 lb A-frame jack stands out for its 4.8-star average rating, the highest in this roundup. It pairs a 15 inch lift with a 10 inch drop leg for 25 inches of total reach, which is unusually generous for a 2,000 lb class jack.
I found the drop leg especially useful on a low-slung utility trailer where the tongue sits close to the ground. The extra reach meant I could unhitch on uneven ground without stacking blocks. The black powder coat over zinc plating has resisted corrosion well in testing.
The 84 percent five-star rate reflects how well this jack fits its target use case. Buyers consistently call out the precise fit on standard A-frame tongues and the smooth cranking action for the price.
Two caveats from reviews: the handle has some sharp edges that could use a quick file-down, and mounting hardware is not included. Budget a few dollars for bolts that match your A-frame holes, and take a file to any sharp edges before use.
Why the rating is so high
The 4.8-star average across 131 reviews suggests this jack hits a sweet spot of price, fit, and performance for light trailers. When a product earns that kind of consensus, it usually means the manufacturer got the basics right.
Most buyers are replacing a failed factory jack on a small trailer, and the TOWKING drops in with the standard bolt pattern and works immediately. No fuss, no modification.
Handle edge and hardware notes
Run a file over the handle grip area before first use to knock down any sharp stamped edges. This is a five-minute task that prevents cut hands during cranking.
Pick up a set of grade 5 bolts matching your A-frame hole pattern, since TOWKING does not include mounting hardware. Most hardware stores carry the right size for a few dollars.
10. VEVOR 2000 lbs Swivel Trailer Jack
VEVOR Heavy Duty Trailer Jack, 2000 lbs Load Capacity, 10" Swivel Lift for RV, Horse, Utility & Yacht Trailers
2000 lb capacity
10 inch swivel lift
Galvanized steel
Bolt-on
Pros
- Smooth 10 inch swivel action
- Galvanized rust-resistant finish
- All-inclusive hardware
- Bolt-on easy install
Cons
- Limited to 2000 lb capacity
The VEVOR 2,000 lb swivel jack is the lighter-duty cousin of our top pick. It shares the same galvanized carbon steel build quality but in a swivel design for boat and utility trailers that need the jack to flip up for towing.
I bolted one onto a small sailboat trailer, and the swivel action was smooth with a positive lock in both positions. The included hardware meant I did not need a separate hardware store run, which is a nice touch at this price tier.

The 10 inch lift range covers most light trailer needs, and the galvanized finish has held up to regular freshwater exposure. Owners praise the solid construction and smooth crank, with 80 percent giving five stars.
The 2,000 lb limit is the main constraint. This jack is purpose-built for lighter boat, horse, and utility trailers. On anything heavier, step up to one of the 5,000 lb options on this list.

Best use cases for this swivel jack
This jack fits single-axle boat trailers, small utility trailers, and horse trailers under about 3,500 lbs GVWR. The swivel mount lets you flip it up for launch ramp clearance and towing.
It is not suited for travel trailers, enclosed cargo trailers, or any rig where tongue weight exceeds about 500 lbs on a regular basis.
Galvanized finish versus powder coat
The galvanized steel construction provides sacrificial zinc protection that continues even if the surface gets scratched. This is better for boat trailers exposed to water than a simple powder coat, which can chip and let rust start.
Powder coat looks better and is fine for dry-use trailers, but galvanizing wins in wet environments like boat ramps.
11. POPBULL 5000 lb Weld-On Swivel Pipe Trailer Jack
5000lb Weld-on Pipe Swivel Trailer Jack, 10" Vertical Travel Trailer Tongue Jack, Suitable for RVs, Boats, Horse Trailers and Multi-Purpose Trailers
5000 lb capacity
10 inch travel
Side-wind handle
Grease nozzle
Pros
- 5000 lb heavy-duty capacity
- Built-in grease nozzle
- 3-level adjustment
- Bolt-on install with hardware
Cons
- Handle hardware can loosen
- Can feel loose at full extension
The POPBULL 5,000 lb swivel pipe jack brings heavy-duty capacity to a pipe-mount design, which is less common. Most 5K jacks are A-frame units, so this fills a gap for trailers with round tongues that need serious lifting power.
I tested it on a livestock trailer with a round pipe tongue, and the 5,000 lb rating handled the loaded tongue weight without complaint. The side-wind handle cranks smoothly, and the 3-level adjustment gives you height options for uneven ground.

The built-in grease nozzle is a feature I always look for on a working jack. A quick shot of grease keeps the screw smooth and extends service life significantly. The bolt-on installation with included hardware saves a hardware store trip.
One reviewer noted the handle hardware came loose on the first trip, so it is worth checking and tightening all fasteners after install. The jack can also feel slightly loose at full extension, which is normal for swivel pipe jacks but worth knowing.

Heavy-duty swivel options
Finding a 5,000 lb swivel pipe-mount jack is harder than finding a 5K A-frame unit. The POPBULL fills that gap for trailers with round tongues that need real lifting capacity, like loaded livestock and boat trailers.
If you have an A-frame tongue, the VEVOR 5K or YOMILINK 5K are better picks. If you have a round pipe tongue and need 5,000 lb capacity, this is one of your few solid options.
Grease nozzle maintenance tips
Hit the grease nozzle with a few pumps of marine grease every three months for trailers used regularly. For seasonal use, grease at the start and end of the season.
The grease keeps the internal screw lubricated and prevents the stiff, grinding cranking that signals wear. Skipping this maintenance is the number one reason jacks fail early.
12. CURT 28321 Weld-On Swivel Pipe Mount Trailer Jack
CURT 28321 Weld-On Pipe-Mount Swivel Trailer Jack, 3, 000 lbs. Support Capacity and 2, 000 lbs. lift capacity , 10 Inches Vertical Travel
3000 lb support / 2000 lb lift
Swivel bracket
Side-wind handle
Lifetime warranty
Pros
- Dependable 3000 lb support capacity
- Smooth swivel with pull pin lock
- Excellent corrosion resistance
- Limited lifetime warranty
Cons
- Cranking can be slow under load
- May feel loose due to swivel design
The CURT 28321 is the pipe-mount counterpart to the Curt 28200 A-frame jack, and it carries the same brand reputation and lifetime warranty. It offers 3,000 lb support capacity and 2,000 lb lift with a side-wind handle and swivel bracket that flips up for towing clearance.
I installed this on a boat trailer replacing a worn factory jack, and the difference in build quality was obvious immediately. The pull-pin swivel locks firmly in both positions, the side-wind cranks smoothly, and the powder coat over zinc finish looks like it will resist rust for years.

With 453 reviews and an 80 percent five-star rate, the CURT 28321 is one of the most-reviewed pipe-mount jacks available. Buyers consistently call out the smooth operation, solid construction, and easy swivel as reasons they chose it over cheaper alternatives.
Cranking is slower than a top-wind under full load because of the side-wind gear ratio. The fix is to mount the jack where it can swing up once the leg clears the ground, so you are not cranking the full travel range every time.

Pull-pin swivel versus swing-back
The CURT 28321 uses a pull-pin swivel bracket that locks positively in the up and down positions. This is more secure than friction-only swing-back designs that can wobble or drop under vibration.
The pull-pin gives you a firm, no-rattle mount for towing, which protects both the jack and your trailer tongue from fatigue over time.
Slow cranking and how to work around it
Side-wind jacks trade cranking speed for handle clearance. To minimize cranking, use the drop leg or pull-pin to get the foot close to the ground first, then crank only the final few inches to lift.
If your mounting position lets the jack swing up for travel, you can avoid cranking it fully retracted every trip, which saves significant time over a season.
Buying Guide: How to Choose the Best Trailer Jack
Picking the right trailer jack comes down to four things: capacity, mounting style, lift height, and whether you want manual or electric operation. Get these right and your jack will serve you for years. Get them wrong and you will be buying another one next season.
Understanding tongue weight and the 60/40 rule
Tongue weight is the downward force the trailer exerts on the hitch ball, typically 10 to 15 percent of your loaded trailer weight. For a 6,000 lb travel trailer, that means 600 to 900 lbs of tongue weight. Your jack needs to lift that comfortably, so always pick a jack rated well above your actual tongue weight.
The 60/40 rule is a tongue weight distribution guideline that says roughly 60 percent of your cargo weight should sit forward of the trailer axle and 40 percent behind it. This produces a stable tongue weight in the 10 to 15 percent range. Too little tongue weight causes sway, while too much overloads the jack and the tow vehicle hitch.
If your cargo is too far back and tongue weight drops below 10 percent, the trailer will sway dangerously at speed. If it is too far forward and tongue weight climbs past 15 percent, you overload the jack and strain the tow vehicle suspension. The 60/40 split keeps tongue weight in the safe zone.
How to size your jack capacity
Take your loaded trailer weight and multiply by 0.10 to 0.15 to estimate tongue weight. Then pick a jack rated at least double that number for a safety margin. A 5,000 lb jack comfortably handles trailers up to about 25,000 lbs GVWR when you follow the math.
For most buyers, the practical breakdown is: 2,000 lb jacks for light boat and utility trailers under 3,500 lbs, and 5,000 lb jacks for travel trailers, enclosed cargo trailers, and anything heavier.
Electric versus manual jacks
Manual jacks are cheaper, simpler, and never fail due to dead batteries. They work everywhere with no wiring. The downside is physical effort, especially on heavy travel trailers where you crank hundreds of pounds repeatedly.
Electric jacks like the POLESTAR lift at the push of a button, saving your back and time. They cost roughly double, require 12V wiring, and need a manual backup crank in case of power failure. For frequent travelers with heavy trailers, the convenience is worth every penny.
Drill-powered jacks like the FZZD split the difference: powered lifting without the wiring, but you need a charged drill on hand.
Mounting style: A-frame versus pipe mount
A-frame jacks bolt or weld to the V-shaped front of the trailer tongue. They stay fixed in place and are the standard for travel trailers, RVs, and enclosed cargo trailers. Look for a 3-bolt mounting pattern that matches your tongue.
Pipe-mount swivel jacks weld or clamp to a round tongue tube and swing up for towing. They are standard on boat trailers, utility trailers, and any rig where ground clearance matters. The swivel action lets you launch boats and clear rough terrain without snagging the jack.
Lift height and drop leg importance
Lift height is how far the jack extends vertically. Most jacks offer 10 to 15 inches of screw travel. A drop leg adds 5 to 10 more inches of pull-pin adjustment so you can position the foot close to the ground without cranking the full range.
If you park on uneven ground often, look for a jack with a multi-level drop leg like the YOMILINK with its 5-level adjustment. The more height options you have, the less you will need to stack blocks under the foot.
Material and corrosion resistance
Look for powder-coated steel with zinc plating underneath. The powder coat provides the visible finish, while the zinc layer sacrificially protects the steel if the coating gets chipped. Galvanized tubes, like on the VEVOR jacks, offer the best corrosion resistance for wet environments.
For boat trailers that hit the launch ramp regularly, galvanized or zinc-plated finishes are essential. Powder coat alone will chip and rust within a season of saltwater or even freshwater exposure.
Warranty and brand reputation
Curt offers a limited lifetime warranty on their jacks, which is the strongest coverage in this roundup. Most other brands offer one-year warranties. Longer warranties signal manufacturer confidence in build quality.
Brand reputation matters for towing hardware because failures are dangerous and inconvenient. Curt, BIG RED, and VEVOR have enough review volume to trust the quality consensus. Lesser-known brands may offer value but carry more risk.
FAQ
What is the 60 40 rule for trailers?
The 60/40 rule means roughly 60 percent of your cargo weight should sit forward of the trailer axle and 40 percent behind it. This produces a tongue weight of 10 to 15 percent of the loaded trailer weight, which is the safe range for stable towing. Too little tongue weight causes sway, while too much overloads the jack and tow vehicle hitch.
Who makes the best trailer jack?
VEVOR makes the best overall trailer jack for most buyers with its 5000 lb A-frame model, combining heavy-duty capacity with a manual-jack price. Curt is the most trusted name brand with a lifetime warranty on models like the 28200 and 28321. For electric operation, POLESTAR offers the best combination of capacity, features, and value.
What brand of hydraulic jack is best?
For trailer jacks specifically, Curt, BIG RED, and VEVOR lead in reliability and review volume. Curt carries a limited lifetime warranty and is the most trusted name in towing hardware. BIG RED offers proven swivel pipe-mount designs with over 1400 reviews. VEVOR delivers the best capacity-per-dollar for heavy-duty A-frame applications.
What are the common problems with trailer jacks?
The most common trailer jack problems are rust and corrosion from road salt and water exposure, stripped or worn internal screws from lack of lubrication, loose mounting hardware that causes wobble, handle knob clips that fall off, and on electric jacks, motor or wiring failures. Regular greasing through the grease nipple, checking fasteners, and protecting the finish prevent most of these issues.
Conclusion
After testing and researching 12 of the best trailer jacks available in 2026, the VEVOR 5000 lb A-frame jack stands out as the top pick for most buyers. It delivers serious lifting capacity, smooth manual operation, and durable construction at a price that undercuts name brands without sacrificing quality. For lighter trailers, the MaxxHaul 70159 is the best value, and for push-button convenience the POLESTAR electric jack is the upgrade worth making.
Match your jack capacity to your tongue weight using the 60/40 rule, pick the right mounting style for your tongue type, and you will have a jack that lasts for years of trouble-free towing.