Liftgate Buyer's Guide: How to Choose the Right Tailgate Lift for Your Truck

A liftgate is the last mile of your freight operation — the difference between a two-person unload and a one-person job, between a pallet that arrives intact and one that gets hand-bombed off a tailgate. Getting the right liftgate for your truck means understanding the four main platform types, matching capacity to your heaviest loads, and knowing which brands build for durability versus which cut corners on components that fail in the field. This guide covers all of it.

Quick Comparison: Top Liftgate Models

The Four Liftgate Types

Tuck-Away / Folding Liftgates

Tuck-away liftgates fold up and tuck behind the vehicle's rear bumper or underneath the cargo body when not in use. The platform is not visible when stowed — they're often called "hidden" liftgates for this reason. This is the dominant configuration for box trucks and straight trucks because it keeps the platform out of the way during transit and doesn't affect departure angle or clearance like a deployed platform would.

The Tommy Gate G2-2200 Tuckaway is the benchmark in this category. 2,200 lb capacity, fold-up design, and Tommy Gate's reputation for long service life with minimal maintenance. It's the liftgate most owner-operators and fleet managers default to for box trucks — and for good reason.

Tuck-Under Liftgates

Tuck-under liftgates slide under the rear of the vehicle body and stow horizontally beneath the cargo floor when not in use. Unlike tuck-away designs that fold vertically, tuck-unders remain horizontal — they slide out, then lower to the ground. This design is common on flatbeds, stake bodies, and any application where a folding platform would interfere with loading from the sides or rear.

The Maxon TE20 is a 2,000 lb tuck-under rated for exactly these applications. Maxon builds with robust hydraulic cylinders and heavy-gauge platform steel — this is not a light-duty gate.

Rail / Cantilever Liftgates

Rail liftgates — also called cantilever or guide-rail liftgates — mount to the vehicle with vertical guide rails on each side of the rear opening. The platform travels along these rails, providing guided, stable vertical movement. This configuration is common on dry vans, refrigerated trailers, and cargo vehicles where a wide, stable platform and high duty cycle are required.

The Tommy Gate H-1350 brings this design to cargo vans and step vans — vehicles with lower cargo floors and tighter weight budgets than box trucks. 1,350 lb capacity covers most van delivery applications including appliances, equipment, and heavy freight.

For heavy trailer applications, the Maxon GPTLR rail liftgate handles 3,300 lb with Maxon's rail-guided precision. This is a high-duty-cycle gate designed for operations that use it dozens of times per day.

Column Liftgates

Column liftgates are the heavy-duty option. Two vertical columns mount to the chassis frame, independent of the cargo body, providing a structural support system that handles capacities — like the Waltco WCC4400's 4,400 lb rating — that would be impractical with body-mounted rail designs. Column liftgates are used on semi trucks, heavy straight trucks, and any application where the cargo is near or above the payload capacity of body-mounted alternatives.

Waltco is one of the oldest names in column liftgates, and the WCC4400 reflects decades of refinement. If you're spec'ing a liftgate for a semi that moves pallets of industrial equipment, machinery, or construction materials, this is the category to be in.

Matching Liftgate to Vehicle

The liftgate doesn't just need to match your cargo — it needs to mount correctly to your vehicle. Key vehicle-specific factors:

• Vehicle GVW and payload capacity: The liftgate itself weighs 400–900 lbs depending on type and capacity. This weight counts against your vehicle's payload rating. A loaded liftgate plus heavy cargo can push you over GVWR. Know your payload before you buy.
• Chassis mounting points: Column liftgates require chassis frame mounting, not body mounting. Tuck-away and tuck-under gates typically mount to the body subframe. Verify the mounting requirement against your vehicle's configuration before purchase.
• Clearance and body height: The liftgate platform must reach from ground level to the vehicle's cargo floor height. Body heights vary by truck — a high-floor box truck needs a longer-travel liftgate than a low-floor cargo van. Match the gate's travel range to your floor height.
• Electrical supply: Most liftgates run on the vehicle's 12V or 24V system via a dedicated circuit. The power draw during operation can be substantial — verify the vehicle's alternator output and battery capacity for high-cycle operations.

Liftgate Capacity: Don't Buy to the Limit

The same rule that applies to vehicle lifts applies to liftgates: don't buy to the rated maximum. A liftgate rated at 2,200 lb that regularly handles 2,100 lb pallets is operating at 95% capacity — it wears faster, the hydraulic system runs at elevated pressure, and the platform deflects more than the manufacturer designed for at nominal loads.

Buy at least 25% capacity headroom above your heaviest regular load. If your heaviest pallet is 1,800 lb, buy a 2,500 lb gate. If it's 3,500 lb, buy a 4,400 lb unit like the Waltco WCC4400. This margin pays back in service life and reliability.

Tommy Gate vs Maxon vs Waltco: Brand Differences That Matter

These three manufacturers dominate the commercial liftgate market. Here's where each excels:

Tommy Gate is the owner-operator and fleet manager default for box trucks. Strong warranty support, wide dealer network, and a reputation for long service life with standard maintenance. The G2-2200 Tuckaway and H-1350 Van are workhorses that show up on delivery fleets because they don't create downtime.

Maxon builds for high-duty-cycle operations — multiple uses per day, every day, for years. The hydraulic cylinder and platform construction on Maxon tuck-under and rail models reflect industrial-use spec rather than light commercial spec. The trade-off is price — Maxon costs more upfront.

Waltco is the column liftgate specialist. For heavy applications where no other liftgate type has the structural capacity, Waltco is the answer. The WCC4400's chassis mounting and 4,400 lb rating is in a different class from body-mounted alternatives.

Installation: Professional vs. DIY

Liftgate installation is not a DIY project for most buyers. The mounting requires precise positioning, chassis welding or bolting at structural points, electrical integration into the vehicle's battery system, and hydraulic line routing. Improper installation creates structural failure risk — the gate comes off the vehicle under load, which is a catastrophic outcome.

Have liftgates installed by a licensed commercial truck upfitter. The installation cost is a small fraction of the gate price and eliminates a significant failure mode. Ask about the warranty implications of self-installation — most manufacturers void the structural warranty for improper installation.

Maintenance: What Liftgates Actually Need

A well-maintained liftgate lasts decades. The maintenance is not complex:

• Hydraulic fluid check every 3 months: Low fluid level causes slow operation and eventually hydraulic pump damage. Top off per the manufacturer spec — use the correct fluid type, not generic hydraulic oil.
• Pivot point lubrication every 3–6 months: Tuck-away and folding gates have multiple pivot points that need grease to prevent wear. A dry pivot wears quickly and produces noise before it fails.
• Platform inspection for cracks and wear: The platform takes repeated impact loading. Inspect weld points for cracks periodically, especially at the corners and hinge connections.
• Electrical connection inspection: Terminals at the battery and the gate's control harness corrode in road salt environments. Clean and protect annually.

The Bottom Line

For most box truck operations, the Tommy Gate G2-2200 Tuckaway is the right default — proven, well-supported, and built for the duty cycle. For cargo vans, the H-1350 fits. For high-cycle operations on dry vans and trailers, Maxon's rail liftgate justifies the premium. For heavy semi applications, the Waltco WCC4400 is the only category that handles the load. Match capacity to your heaviest load with 25% headroom, have it professionally installed, and maintain the hydraulics and pivots on schedule.