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TRAILERING WITH THE ALL-NEW SIERRA 2500HD AND 3500HD PICKUPS
BALL HITCH TRAILERING FIFTH-WHEEL TRAILERING
ENGINE/TRANSMISSION Vortec 6.0L V8 (LY6) Duramax 6.6L V8 Diesel (LMM) Vortec 6.0L V8 (LY6) Duramax 6.6L V8 Diesel (LMM)
Automatic 6-speed (MYD) Automatic 6-speed (MW7) Automatic 6-speed (MYD) Automatic 6-speed (MW7)
Horsepower 353 @ 5400 365 @ 3200 353 @ 5400 365 @ 3200
Torque (lb.-ft.) 373 @ 4400 660 @ 1600 373 @ 4400 660 @ 1600
MODEL Max. Trailer Max. Trailer Max. Trailer Max. Trailer
Weight kg (lb.) Weight kg (lb.) Weight kg (lb.) Weight kg (lb.)
2500HD - 4173 kg (9200 lb.) GVWR
C20903 - Regular Cab
Long Box, 2WD 5851 (12,900) 5897 (13,000) 5851 (12,900) 7167 (15,800)
C20753 - Extended Cab
Standard Box, 2WD 5761 (12,700) 5897 (13,000) 5761 (12,700) 6985 (15,400)
C20953 - Extended Cab
Long Box, 2WD 4670 (12,500) 5897 (13,000) 4670 (12,500) 6804 (15,000)
C20743 - Crew Cab
Standard Box, 2WD 4670 (12,500) 5897 (13,000) 4670 (12,500) 6895 (15,200)
C20943 - Crew Cab
Long Box, 2WD 5625 (12,400) 5897 (13,000) 5625 (12,400) 6532 (14,400)
K20903 - Regular Cab
Long Box, 4x4 5761 (12,700) 5897 (13,000) 5761 (12,700) 7031 (15,500)
K20753 - Extended Cab
Standard Box, 4x4 5625 (12,400) 5897 (13,000) 5625 (12,400) 6486 (14,300)
K20953 - Extended Cab
Long Box, 4x4 5534 (12,200) 5897 (13,000) 5534 (12,200) 6078 (13,400)
K20743 - Crew Cab
Standard Box, 4x4 5579 (12,300) 5897 (13,000) 5579 (12,300) 6169 (13,600)
K20943 - Crew Cab
Long Box, 4x4 5489 (12,100) 5897 (13,000) 5489 (12,100) 5670 (12,500)
3500HD - 4491 kg (9900 lb.) GVWR with Single Rear Wheels.
C30953 - Extended Cab
Long Box, 2WD 5534 (12,200) 5897 (13,000) 5534 (12,200) 6849 (15,100)
C30943 - Crew Cab
Long Box, 2WD 5489 (12,100) 5897 (13,000) 5489 (12,100) 7439 (16,400)
K30903 - Regular Cab
Long Box, 4x4 5625 (12,400) 5897 (13,000) 5625 (12,400) 6940 (15,300)
K30953 - Extended Cab
Long Box, 4x4 5443 (12,000) 5897 (13,000) 5443 (12,000) 6759 (14,900)
K30943 - Crew Cab
Long Box, 4x4 5352 (11,800) 5897 (13,000) 5352 (11,800) 6623 (14,600)
3500HD - 4171 kg (11,400 lb.) GVWR with Dual Rear Wheels.
C30953 - Extended Cab
Long Box, 2WD 5443 (12,000) 5897 (13,000) 5443 (12,000) 7394 (16,300)
C30943 - Crew Cab
Long Box, 2WD 5352 (11,800) 5897 (13,000) 5352 (11,800) 7348 (16,200)
K30903 - Regular Cab
Long Box, 4x4 5534 (12,200) 5897 (13,000) 5534 (12,200) 7484 (16,500)
K30953 - Extended Cab
Long Box, 4x4 5307 (11,700) 5897 (13,000) 5307 (11,700) 7358 (16,000)
K30943 - Crew Cab
Long Box, 4x4 5262 (11,600) 5897 (13,000) 5262 (11,600) 7212 (15,900)
NOTES:
• The maximum allowable Gross Combination Weight Ratings (GCWR) are;
- 8392 kg (18,500 lb.) with the Vortec 6.0L V8 (LY6)
- 9979 kg (22,000 lb.) with the Duramax 6.6L V8 Diesel with Single Rear Wheels (SRW).
- 10,600 kg (23,500 lb.) with the Duramax 6.6L V8 Diesel with Dual Rear Wheels (DRW).
- All 2500HD and 3500HD Series have an automatic transmission and a 3.73 axle ratio as
standard equipment.
- Use this GCWR information when calculating the trailering capacity for Chassis Cabs/Box
Delete (option ZW9) models. The GCWR includes the total loaded weight of the truck, the
body and the trailer.
• The 2500HD and 3500HD models have a weight-carrying hitch limit of 3402 kg (7500 lb.)
and require a weight-distributing hitch with trailer weights in excess of this limit.
• Fifth-wheel kingpin loads are higher than ball hitch trailer tongue loads, so careful attention
must be given to the truck’s payload capacity and rear axle weight ratings (GAWR).
Subtract the tow vehicle’s weight plus passenger and cargo weights from the GVWR to
determine the available payload and/or kingpin weight allowance.
• Trailering kingpin weight should be 15-25% of loaded trailer weight.
• Trailering capacity may be limited by the tow vehicle’s ability to carry the kingpin weight
without exceeding the GVWR or rear GAWR.
• The Integrated Trailer Brake Control (option JL1) is new for 2007 in combination with the
Trailering Special Equipment Package (option Z82). This facilitates hook-up of electric
trailer brakes and provides excellent brake modulation.
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