2020 Chevrolet Silverado 3500 HD Towing Capacity & Specs
TL;DR Summary
The 2020 Chevrolet Silverado 3500 HD dually truck delivers extreme commercial pulling power, featuring a maximum conventional towing capacity ranging from 16800 to 20000 lbs and payload ratings up to 7442 lbs.
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 |
|---|---|---|---|---|---|---|---|
| WT / LT / LTZ / High Country DRW Gas | 6.6L V8 Naturally Aspirated Gas |
16,800 lb | 7,442 lb | 24,000 lb | 14,000 lb | 6,800 lb | 1,680 lb |
| WT / LT / LTZ / High Country DRW Duramax | 6.6L V8 Duramax Turbo Diesel Diesel |
20,000 lb | 6,523 lb | 31,100 lb | 14,000 lb | 7,500 lb | 2,000 lb |
In-Depth 2020 Chevrolet Silverado 3500 HD Towing Review
The 2020 Chevrolet Silverado 3500 HD towing capacity provides maximum commercial truck pulling power, featuring a certified conventional towing capacity spanning from 16800 lbs to 20000 lbs across Dual Rear Wheel (DRW) gas and diesel model configurations. Designed for extreme commercial transport and heavy industrial trailering, the baseline 6.6L V8 naturally aspirated gas engine produces 401 horsepower and 464 lb-ft of torque, yielding a certified pulling threshold of 16800 lbs. Drivers upgrading to the high-output 6.6L Duramax Turbo Diesel V8 engine gain access to a formidable 445 horsepower and 910 lb-ft of low-end torque, pushing maximum conventional towing capacity to 20000 lbs. Engineered to support extreme bed loading demands, the Silverado 3500 HD max payload rating reaches between 6523 lbs and 7442 lbs across WT, LT, LTZ, and luxury High Country trim levels, enabling operators to haul massive payloads of building supplies or equipment. This severe-duty capability is supported by a heavy-duty chassis featuring a standardized Gross Vehicle Weight Rating (GVWR) of 14000 lbs and an unladen curb weight range spanning 6800 lbs to 8400 lbs. To manage massive hitch loads safely, the heavy-duty frame accommodates maximum allowable trailer tongue weight limits between 1680 lbs and 2000 lbs.
Built on a high-strength steel C-channel frame with dual rear wheel heavy-duty rear axles, the truck pairs its formidable powertrain and torque specs with a commercial six-speed automatic transmission on gas models or an Allison ten-speed automatic transmission on Duramax diesel models. When ordered according to factory tow package specifications, the Silverado 3500 HD includes the Advanced Trailering Package with an integrated trailer brake controller, engine exhaust braking, heavy-duty engine oil cooler, power-telescoping trailering mirrors, and dynamic trailer sway control. The heavy-duty dually achieves a Gross Combination Weight Rating (GCWR) ranging from 24000 lbs to 32000 lbs, offering vast gross combined mass allowance for severe commercial gooseneck and fifth-wheel trailers. Fitted with 17-inch commercial dual rear wheels, heavy-duty multi-leaf rear suspension, and power four-wheel disc brakes with ABS, the 2020 Chevrolet Silverado 3500 HD delivers supreme pulling authority and job site durability.
Frequently Asked Questions
What is the maximum conventional towing capacity of the 2020 Chevrolet Silverado 3500 HD dually?
The 2020 Chevrolet Silverado 3500 HD Dual Rear Wheel (DRW) configuration features a maximum conventional towing capacity ranging from 16,800 lbs on 6.6L V8 gas models up to 20,000 lbs on 6.6L Duramax Turbo Diesel V8 models.
What are the GVWR, GCWR, and payload capacity ratings for the 2020 Chevrolet Silverado 3500 HD?
The 2020 Chevrolet Silverado 3500 HD DRW platform features a standardized Gross Vehicle Weight Rating (GVWR) of 14,000 lbs and a Gross Combination Weight Rating (GCWR) spanning 24,000 to 32,000 lbs. Unladen curb weight ranges from 6,800 to 8,400 lbs, enabling impressive payload capacities between 6,523 and 7,442 lbs.
What allowable trailer tongue weight limit is specified for the 2020 Chevrolet Silverado 3500 HD?
The maximum static trailer tongue weight rating for the 2020 Chevrolet Silverado 3500 HD ranges from 1,680 to 2,000 lbs, aligning with 10% of its 16,800 to 20,000 lb conventional towing capacity spectrum.
How do engine specifications and torque outputs compare for the 2020 Chevrolet Silverado 3500 HD?
The 6.6L V8 gas engine produces 401 HP at 5,200 RPM and 464 lb-ft of torque at 4,000 RPM, while the high-output 6.6L Duramax Turbo Diesel V8 generates 445 HP at 2,800 RPM and 910 lb-ft of torque at 1,600 RPM for heavy commercial hauling up mountain grades.
What specialized equipment assists heavy trailering operations in the 2020 Chevrolet Silverado 3500 HD?
When equipped according to factory tow package specifications, the Silverado 3500 HD includes an integrated trailer brake controller, engine exhaust braking on Duramax models, heavy-duty engine cooling, power-telescoping trailering mirrors, and dynamic trailer sway control to manage severe commercial loads.
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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