Towing Limits

2026 GMC Sierra 3500 HD towing capacity

Maximum loaded trailer weight36,000 lbsDuramax 6.6L Turbo-Diesel V8, Regular Cab Long Bed 2WD DRW (5th-wheel/gooseneck towing) · when properly equipped

How to read this page · tables, footnotes and hitch limits explained

Towing capacity by configuration

GMC prints 2 separate tables for the Sierra 3500 HD in this guide. They are shown below as printed, each with the footnotes of its own page.

Conventional towing: 6.6L V8 Gas, Duramax 6.6L Turbo-Diesel V8

GMC guide page 1

EngineConfigurationGCWRMax trailer
6.6L V8 GasCrew Cab Standard Bed 2WD26,000 lbs16,000 lbs
7,257 kg
6.6L V8 GasCrew Cab Long Bed 2WD26,000 lbs16,000 lbs
7,257 kg
6.6L V8 GasCrew Cab Long Bed 2WD DRW26,000 lbs18,200 lbs
8,255 kg
6.6L V8 GasCrew Cab Standard Bed 4WD26,000 lbs16,000 lbs
7,257 kg
6.6L V8 GasCrew Cab Long Bed 4WD26,000 lbs16,000 lbs
7,257 kg
6.6L V8 GasCrew Cab Long Bed 4WD DRW26,000 lbs17,800 lbs
8,074 kg
6.6L V8 GasDouble Cab Long Bed 2WD26,000 lbs16,000 lbs
7,257 kg
6.6L V8 GasDouble Cab Long Bed 2WD DRW26,000 lbs18,300 lbs
8,301 kg
6.6L V8 GasDouble Cab Long Bed 4WD26,000 lbs16,000 lbs
7,257 kg
6.6L V8 GasDouble Cab Long Bed 4WD DRW26,000 lbs18,000 lbs
8,165 kg
6.6L V8 GasRegular Cab Long Bed 2WD26,000 lbs14,500 lbs
6,577 kg
6.6L V8 GasRegular Cab Long Bed 2WD DRW26,000 lbs18,700 lbs
8,482 kg
6.6L V8 GasRegular Cab Long Bed 4WD26,000 lbs14,500 lbs
6,577 kg
6.6L V8 GasRegular Cab Long Bed 4x4DRW26,000 lbs18,400 lbs
8,346 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 2WD30,000 lbs20,000 lbs
9,072 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 4WD30,000 lbs20,000 lbs
9,072 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 4WD30,000 lbs20,000 lbs
9,072 kg
Duramax 6.6L Turbo-Diesel V8Double Cab Long Bed 2WD30,000 lbs20,000 lbs
9,072 kg
Duramax 6.6L Turbo-Diesel V8Double Cab Long Bed 4WD30,000 lbs20,000 lbs
9,072 kg
Duramax 6.6L Turbo-Diesel V8Regular Cab Long Bed 2WD30,000 lbs14,500 lbs
6,577 kg
Duramax 6.6L Turbo-Diesel V8Regular Cab Long Bed 4WD30,000 lbs14,500 lbs
6,577 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 2WD30,300 lbs20,000 lbs
9,072 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 2WD DRW40,000 lbs20,000 lbs
9,072 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 4WD DRW40,000 lbs20,000 lbs
9,072 kg
Duramax 6.6L Turbo-Diesel V8Double Cab Long Bed 2WD DRW40,000 lbs20,000 lbs
9,072 kg
Duramax 6.6L Turbo-Diesel V8Double Cab Long Bed 4WD DRW40,000 lbs20,000 lbs
9,072 kg
Duramax 6.6L Turbo-Diesel V8Regular Cab Long Bed 4x4DRW40,000 lbs20,000 lbs
9,072 kg
Duramax 6.6L Turbo-Diesel V8Regular Cab Long Bed 2WD DRW43,500 lbs20,000 lbs
9,072 kg
Duramax 6.6L Turbo-Diesel V8Regular Cab Long Bed 2WD DRW43,900 lbs320,000 lbs
9,072 kg
  1. 1 Requires properly equipped vehicle. Maximum trailering ratings are intended for comparison purposes only. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The trailering capacity of your specific vehicle may vary. The weight of passengers, cargo and options or accessories may reduce the amount you can trailer.
  2. 3 Requires available Max Trailering Package.

5th-wheel/gooseneck towing: 6.6L V8 Gas, Duramax 6.6L Turbo-Diesel V8

GMC guide page 2

EngineConfigurationGCWRMax trailer
6.6L V8 GasCrew Cab Standard Bed 2WD26,000 lbs18,650 lbs
8,459 kg
6.6L V8 GasCrew Cab Long Bed 2WD26,000 lbs18,510 lbs
8,396 kg
6.6L V8 GasCrew Cab Long Bed 2WD DRW26,000 lbs18,230 lbs
8,269 kg
6.6L V8 GasCrew Cab Standard Bed 4x426,000 lbs18,300 lbs
8,301 kg
6.6L V8 GasCrew Cab Long Bed 4x426,000 lbs18,230 lbs
8,269 kg
6.6L V8 GasCrew Cab Long Bed 4x4 DRW26,000 lbs17,800 lbs
8,074 kg
6.6L V8 GasDouble Cab Long Bed 2WD26,000 lbs18,620 lbs
8,446 kg
6.6L V8 GasDouble Cab Long Bed 2WD DRW26,000 lbs18,300 lbs
8,301 kg
6.6L V8 GasDouble Cab Long Bed 4x426,000 lbs18,310 lbs
8,305 kg
6.6L V8 GasDouble Cab Long Bed 4x4DRW26,000 lbs17,990 lbs
8,160 kg
6.6L V8 GasRegular Cab Long Bed 2WD26,000 lbs19,080 lbs
8,655 kg
6.6L V8 GasRegular Cab Long Bed 2WD DRW26,000 lbs18,760 lbs
8,509 kg
6.6L V8 GasRegular Cab Long Bed 4x426,000 lbs18,700 lbs
8,482 kg
6.6L V8 GasRegular Cab Long Bed 4x4DRW26,000 lbs18,380 lbs
8,337 kg
6.6L V8 GasCrew Cab Standard Bed 4x426,000 lbs17,9003,4 lbs
8,119 kg
6.6L V8 GasCrew Cab Long Bed 4x426,000 lbs17,8003,4 lbs
8,074 kg
6.6L V8 GasCrew Cab Long Bed 4x4 DRW26,000 lbs17,5004 lbs
7,938 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 2WD30,000 lbs21,900 lbs
9,934 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 4x430,000 lbs21,600 lbs
9,798 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 4x430,000 lbs21,460 lbs
9,734 kg
Duramax 6.6L Turbo-Diesel V8Double Cab Long Bed 2WD30,000 lbs21,900 lbs
9,934 kg
Duramax 6.6L Turbo-Diesel V8Double Cab Long Bed 4x430,000 lbs21,590 lbs
9,793 kg
Duramax 6.6L Turbo-Diesel V8Regular Cab Long Bed 2WD30,000 lbs22,420 lbs
10,170 kg
Duramax 6.6L Turbo-Diesel V8Regular Cab Long Bed 4x430,000 lbs22,040 lbs
9,997 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 4x430,000 lbs21,3003 lbs
9,662 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 4x430,000 lbs21,2003 lbs
9,616 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 4x430,000 lbs21,2004 lbs
9,616 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 4x430,000 lbs21,1004 lbs
9,571 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Standard Bed 4x430,000 lbs21,1005 lbs
9,571 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 4x430,000 lbs21,0005 lbs
9,525 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 2WD30,300 lbs22,070 lbs
10,011 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 2WD DRW40,000 lbs31,440 lbs
14,261 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 4x4 DRW40,000 lbs31,000 lbs
14,061 kg
Duramax 6.6L Turbo-Diesel V8Double Cab Long Bed 2WD DRW40,000 lbs31,580 lbs
14,324 kg
Duramax 6.6L Turbo-Diesel V8Double Cab Long Bed 4x4DRW40,000 lbs31,270 lbs
14,184 kg
Duramax 6.6L Turbo-Diesel V8Regular Cab Long Bed 4x4DRW40,000 lbs31,500 lbs
14,288 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 4x4 DRW40,000 lbs30,8004 lbs
13,971 kg
Duramax 6.6L Turbo-Diesel V8Crew Cab Long Bed 4x4 DRW40,000 lbs30,7005 lbs
13,925 kg
Duramax 6.6L Turbo-Diesel V8Regular Cab Long Bed 2WD DRW43,500 lbs32,0007 lbs
14,515 kg
Duramax 6.6L Turbo-Diesel V8Regular Cab Long Bed 2WD DRW43,500 lbs35,5008 lbs
16,103 kg
Duramax 6.6L Turbo-Diesel V8Regular Cab Long Bed 2WD DRW43,900 lbs632,0007 lbs
14,515 kg
Duramax 6.6L Turbo-Diesel V8Regular Cab Long Bed 2WD DRW43,900 lbs636,0008 lbs
16,329 kg
  1. 1 Requires properly equipped vehicle. Maximum trailering ratings are intended for comparison purposes only. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The trailering capacity of your specific vehicle may vary. The weight of passengers, cargo and options or accessories may reduce the amount you can trailer.
  2. 3 AT4 maximum trailer rating.
  3. 4 Denali maximum trailer rating.
  4. 5 Denali Ultimate maximum trailer rating.
  5. 6 Requires available Max Trailering Package.
  6. 7 Maximum available Fifth Wheel Hitch Rating.
  7. 8 Maximum available Gooseneck Trailer Rating.

GCWR is the most the loaded vehicle and loaded trailer may weigh together. Small numbers are GMC's footnotes for that page, listed under each table. Where a cell shows two weights, the footnote says which applies.

Notes from GMC

    Check your own tow

    The maximum assumes a lightly loaded vehicle. Passengers, cargo and tongue weight all come out of your payload. Run your trailer through the calculator with this vehicle's limits filled in:

    Can I tow it? with 2026 GMC Sierra 3500 HD limits →Add your payload from the door-jamb label.

    Source: 2026 GMC Sierra 3500 HD Trailering Charts, pages 1–2. Checked against the original on October 25, 2026. Your owner's manual and door-jamb labels take priority. Found a difference? Tell us.