Chevrolet/GMC 2.8L Duramax Diesel Engine Supplement (GMNA-Localizing-
U.S./Canada-14465442) - 2021 - CRC - 2/3/20
Driving and Operating 35
Colorado/Canyon Pickup Models–SAE J2807 Compliant
Vehicle Axle Ratio Max. Trailer Wt. GCWR *
Colorado/Canyon Pickup Models –2WD
All 3.42
3 492 kg (7,700 lb) 5 761 kg (12,700 lb)
Colorado/Canyon Pickup Models –4WD
Short Wheelbase Ext. Cab 3.42
3 492 kg (7,700 lb) 5 761 kg (12,700 lb)
Short Wheelbase Crew Cab 3.42
3 447 kg (7,600 lb) 5 761 kg (12,700 lb)
Colorado Pickup –Long Wheelbase
Crew Cab 3.42
3 447 kg (7,600 lb) 5 761 kg (12,700 lb)
Canyon Pickup –Long Wheelbase
Crew Cab 3.42
3 425 kg (7,550 lb) 5 761 kg (12,700 lb)
Colorado ZR2 Models –4WD
All 3.42
2 268 kg (5,000 lb) 4 853 kg (10,700 lb)
*The Gross Combination Weight Rating (GCWR) is the total allowable weight of the completely loaded vehicle and trailer including any
passengers, cargo, equipment, and conversions. The GCWR for the vehicle should not be exceeded.
Chevrolet/GMC 2.8L Duramax Diesel Engine Supplement (GMNA-Localizing-
U.S./Canada-14465442) - 2021 - CRC - 2/3/20
36 Driving and Operating
2500/3500 Series Van ModelsVehicle Axle Ratio Max. Trailer Wt.
1GCWR *
G2500 Cargo Van Short Wheelbase 3.42
3 175 kg (7,000 lb) 5 897 kg (13,000 lb)
G2500 Cargo Van Long Wheelbase 3.42
2 767 kg (6,100 lb) 5 897 kg (13,000 lb)
G3500 Cargo Van Short Wheelbase 3.42
2 812 kg (6,200 lb) 5 897 kg (13,000 lb)
G3500 Cargo Van Long Wheelbase 3.42
2 722 kg (6,000 lb) 5 897 kg (13,000 lb)
G2500 Passenger Van Short Wheelbase 3.42
2 858 kg (6,300 lb) 5 897 kg (13,000 lb)
G3500 Passenger Van Short Wheelbase 3.42
2 586 kg (5,700 lb) 5 897 kg (13,000 lb)
G3500 Passenger Van Long Wheelbase 3.42
2 404 kg (5,300 lb) 5 897 kg (13,000 lb)
*The Gross Combination Weight Rating (GCWR) is the total allowable weight of the completely loaded vehicle and trailer including any
passengers, cargo, equipment, and conversions. The GCWR for the vehicle should not be exceeded.
1For Full Box Vans, choose an appropriate hitch and load the truck and trailer within the limits of GCWR, GVWR, and RGAWR.
Van hitch requirements: Trailer tongue weight (10-15% of trailer weight) if under 181 kg (400 lb) use weight carrying hitch. Greater than
181 kg (400 lb) requires weight distribution hitch. Do not exceed 454 kg (1,000 lb).
