Towing & payload with a lift

The ratings don't move

Your truck's limits are printed on the door-jamb labels and in the owner's manual: GVWR (the most the loaded truck may weigh), the front and rear axle ratings, the combined rating for truck plus trailer, and the payload figure on the tire and loading placard. These are manufacturer ratings. Stiffer springs, air bags or a lift don't raise them. Air spring makers say so in their own instructions. Lifting can level the truck under a load, but it doesn't add capacity.

Accessories eat payload

Payload is what's left between the truck's actual weight and its GVWR. A steel bumper, a winch, bigger wheels and tires, a lift kit, a bed rack or toolbox, and a full load of passengers all come out of that number before the trailer tongue or pin weight is added. The only way to know where you stand is to weigh the truck as you actually drive it, on a certified scale, with and without the trailer.

Rake, level and squat

Ram HDs typically sit nose-down from the factory, and a loaded bed or a trailer settles the rear further. If you level the front and then hook up a heavy trailer, the rear squats and the nose rises, which can aim the headlights high and take weight off the front axle. Plan your ride height with the load you actually carry:

• Measure the fender heights empty and hitched up (the worksheet has room for both).
• Decide whether the truck should be level when empty or level when towing. You usually can't have both without air or helper springs.
• Softer, longer-travel rear springs ride better empty but sag more under a load. Choose rates with your trailer in mind.

Hitch height

A taller truck puts the receiver higher. A trailer towed nose-up or nose-down doesn't share its weight between its axles the way it was designed to, and that can make it less stable. Measure the trailer's coupler height when it's level, then pick a drop shank that matches with the truck loaded. Make sure the shank and ball are rated for the trailer.

Fifth wheel and gooseneck

For bed-mounted hitches, a lift raises the hitch plate along with the bed. The trailer has to sit level at the new height, and you need enough vertical room between the trailer and the bed rails when going over dips and driveway breakovers. Many fifth-wheel trailers have an adjustable pin box. Check the clearance at the corners of the bed and the cab when turning sharply on uneven ground. With a bigger lift, talk to the hitch and trailer makers before the first trip.

Helpers: air bags and leveling

• Leaf trucks (every 3500, 2500s through 2013): add-on air bags help hold the rear up under tongue or pin weight and can be adjusted for the load. They're useful if you run softer aftermarket leafs.
• 2014-on 2500 with factory air: the truck levels itself. Work with that system, not against it.
• 2500 coil rear without air: the spring rate is your load support. Choose replacement coils with towing in mind, not just ride height.
• Axle wrap: heavy loads plus a lot of torque wind up leaf springs. Traction bars help on leaf trucks that tow hard.

Gearing, tires and roll

• Taller tires lower the effective gearing. You'll feel it on grades, and the transmission works harder. The speedometer also reads low until it's recalibrated.
• Tire load rating has to suit your axle loads and the pressures you run. Off-road tires aren't automatically good towing tires.
• A higher center of gravity means more body roll. A healthy sway bar with correctly angled end links matters more on a tall truck pulling a tall trailer.
• Braking: heavier wheels and tires make the brakes work harder. Factor that in before you add a big trailer.

Load-support parts at Dodge Off Road

Last reviewed 2026-10-19. General information for planning. Follow your service information and parts maker's instructions.