2021 Ram 2500 Towing Capacity & Specs
TL;DR Summary
The 2021 Ram 2500 heavy-duty pickup truck provides exceptional severe-duty performance with conventional towing capacities reaching 17,540 to 20,000 lbs, payload ratings up to 4,010 lbs, and powerful 6.4L V8 or 6.7L Cummins Turbo Diesel engines.
Trim specifications
All weights in pounds. Ratings depend on the trim and towing configuration.
| Trim / Package | Engine / Fuel | Max Towing | Max Payload | GCWR | GVWR | Curb Weight | Tongue Weight |
|---|---|---|---|---|---|---|---|
| Tradesman / Big Horn / Laramie / Power Wagon | 6.4L V8 Gas |
17,540 lb | 4,010 lb | 24,200 lb | 10,000 lb | 5,988 lb | 1,754 lb |
| Tradesman / Big Horn / Laramie Cummins | 6.7L I6 Turbo Diesel Diesel |
20,000 lb | 3,160 lb | 27,200 lb | 10,000 lb | 6,813 lb | 2,000 lb |
In-Depth 2021 Ram 2500 Towing Review
The 2021 Ram Ram 2500 towing capacity reaches an impressive conventional pulling threshold ranging from 17,540 lbs on 6.4L Heavy Duty V8 gas models up to 20,000 lbs on 6.7L Cummins Turbo Diesel models, providing heavy-duty commercial capability for construction, agriculture, and large travel trailers. Gasoline setups feature a 6.4-liter Heavy Duty V8 producing 410 horsepower at 5,600 RPM and 429 lb-ft of torque at 4,000 RPM, paired with an 8HP75 8-speed automatic transmission. Diesel setups feature the renowned 6.7-liter Cummins Turbo Diesel Inline-6 generating 370 horsepower at 2,800 RPM and an extraordinary 850 lb-ft of low-end torque at 1,700 RPM, mated to a heavy-duty 68RFE 6-speed automatic transmission. Chassis engineering parameters reveal a Gross Combination Weight Rating (GCWR) spanning 24,200 to 27,200 lbs, a uniform Gross Vehicle Weight Rating (GVWR) of 10,000 lbs, an unladen curb weight range of 5,988 to 7,450 lbs, and static hitch tongue weight limits between 1,754 and 2,000 lbs across single-rear-wheel Tradesman, Big Horn, Laramie, and Power Wagon trims.
Worksite versatility is supported by a Ram 2500 max payload rating ranging from 3,160 lbs on diesel configurations up to 4,010 lbs on gas models. Equipping the heavy-duty truck according to factory tow package specifications adds a Class V receiver hitch, 7-pin electrical connector, integrated electronic trailer brake controller, trailer reverse guidance camera system, and power-scoping tow mirrors. Built on a fully boxed high-strength steel frame with heavy-duty hydroformed crossmembers, the truck utilizes a five-link coil rear suspension or optional active-level rear air suspension to absorb road impacts and maintain level ride height under maximum tongue loads. Diesel models incorporate a driver-selectable smart exhaust brake that utilizes variable-geometry turbocharging to retard vehicle momentum on steep mountain descents, preserving service brakes under full loads. Reviewing these heavy-duty powertrain and torque specs gives commercial fleets total technical confidence for long-distance transport.
Frequently Asked Questions
What is the maximum conventional towing capacity and tongue weight limit for the 2021 Ram 2500?
The 2021 Ram 2500 heavy-duty pickup delivers a maximum conventional towing capacity of 17,540 lbs on 6.4L Gas V8 models and up to 20,000 lbs on 6.7L Cummins Turbo Diesel models, supported by certified tongue weight limits of 1,754 to 2,000 lbs.
How do the 6.4L Gas V8 and 6.7L Cummins Turbo Diesel engines compare in the 2021 Ram 2500?
The 6.4L V8 gas engine outputs 410 HP at 5,600 RPM and 429 lb-ft of torque at 4,000 RPM (4,010-lb max payload). The 6.7L Cummins Turbo Diesel Inline-6 generates 370 HP at 2,800 RPM and 850 lb-ft of low-end torque at 1,700 RPM (3,160-lb max payload).
What are the GCWR, GVWR, and Curb Weight parameters for the 2021 Ram 2500?
The 2021 Ram 2500 features a Gross Combination Weight Rating (GCWR) of 24,200 to 27,200 lbs, a uniform Gross Vehicle Weight Rating (GVWR) of 10,000 lbs, and an unladen curb weight range of 5,988 to 7,450 lbs.
What specialized braking and exhaust controls support heavy trailering in the Ram 2500 Diesel?
6.7L Cummins Turbo Diesel models incorporate a driver-selectable smart exhaust brake that utilizes variable-geometry turbocharging to retard vehicle momentum, preserving primary service brakes during steep mountain descents with heavy loads up to the 27,200-lb GCWR limit.
Is a weight-distributing hitch required when towing maximum capacity with the 2021 Ram 2500?
Yes, when managing static hitch tongue loads up to 2,000 lbs, utilizing a heavy-duty weight-distributing hitch transfers weight to the front steering axle, keeping the hydroformed steel frame level on open highways.
Always confirm ratings for your exact configuration with the manufacturer and vehicle certification labels. Passenger, cargo and trailer tongue weight affect payload and towing limits.
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