Specs for 2015 GMC 3500DRW

Changes this model year:
unknown

Engines

Engine 6.0L V8 6.6L V8
Fuel Gas Diesel
Valvetrain OHV 2V OHV 4V
Block composition Iron Iron
Head composition Aluminum Aluminum
Bore / Stroke 4.00 x 3.62 4.06 x 3.90
Horsepower 322hp 397hp
Horsepower (rpm) 4400rpm 3000rpm
Torque 380lb-ft 765lb-ft
Torque (rpm) 4200rpm 1600rpm
Notes LML
Years in common 2008 - 2015 2011 - 2015

Transmissions

Transmission Allison 1000 6L90
Speeds 6 6
Type Automatic Automatic
Gear ratio 1 3.10 4.03
Gear ratio 2 1.81 2.36
Gear ratio 3 1.41 1.53
Gear ratio 4 1.00 1.15
Gear ratio 5 0.71 0.85
Gear ratio 6 0.61 0.67
Gear ratio reverse 3.06

Transfer Case

Model Type Low Range Ratio Case Material Notes
MP1226 Chain 2.61 Aluminum Manual shift
MP1626 Chain 2.61 Aluminum Electric shift

Axle Ratios

Engine Transmission Standard axle ratio Optional axle ratios Notes
6.6L V8
6.0L V8 6L90

Interior Dimensions

Cab Type Headroom (F/R) Hiproom (F/R) Legroom (F/R) Shoulder room (F/R) Volume (F/R)
Crew 41.2 / 40.5 62.5 / 65.4 41.3 / 39.0 65.2 / 65.1
Regular 41.4 / na 62.5 / na 41.3 / na 65.2 / na
Super 41.2 / 39.2 62.5 / 61.8 41.3 / 34.3 65.2 / 65.3

Exterior Dimensions

Drive Cab Type Bed length (cab-to-axle for chassis cab) Wheelbase Length Width Height Liftover height Open tailgate to ground Turning circle (curb to curb) Rear axle clearance Approach angle Departure angle Ramp breakover angle Fuel capacity Base curb weight GVWR
4x2 Regular 8 ft 133.6in 225.0in 95.9in 77.3 45.6ft 7.6 34.0gal 6165lb 12800lb
4x4 Regular 8 ft 133.6in 225.0in 95.9in 77.2 45.6ft 7.6 34.0gal 6492lb 13000lb
4x4 Regular 8 ft 133.6in 225.0in 95.9in 77.2 45.6ft 7.6 34.0gal 6492lb 12800lb
4x2 Extended 8 ft 157.5in 249.2in 95.9in 76.0 52.5ft 7.6 34.0gal 6668lb 13000lb
4x4 Extended 8 ft 158.1in 249.5in 95.9in 77.3 52.8ft 7.6 34.0gal 6945lb 13000lb
4x2 Crew 8 ft 167.7in 259.0in 95.9in 77.8 55.4ft 7.6 34.0gal 6777lb 13000lb
4x4 Crew 8 ft 167.7in 259.0in 95.9in 77.8 55.4ft 7.6 34.0gal 7095lb 13000lb

Axles & Driveline

Drive Front axle type Front axle identifier Front GAWR (min) Front GAWR (max) Rear axle type Rear axle identifier Rear GAWR (min) Rear GAWR (max) Notes
4x2 Torsion bar independent AAM 9.5" 4400lb 5600lb Leaf spring solid axle AAM 11.5" 9375lb
4x4 - - 4400lb 5600lb - - 9375lb

Brakes, Wheels & Tires

Front brake type Disc
Front brake diameter/size 13.97in
Front brake total swept area 278.00sq in
Rear brake type Disc
Rear brake diameter/size 13.97
Rear brake total swept area 278.00sq in
Tires, standard LT235/80 R17E
Tires, optional
Wheel size, standard 17x6.5
Wheel size, optional
Notes

Towing

Engine Trans Axle ratio GCWR Max loaded trailer weight Notes
6.0L V8 3.73 16000
6.0L V8 4.10 20500
6.6L V8 3.73 29200
6.6L V8 3.73 29200

References

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Other years for this model: 2007 - 2015