Specs for 2002 Chevrolet 3500

Changes this model year:
unknown

Engines

Engine 6.0L V8 8.1L V8 6.6L V8
Fuel Gas Gas Diesel
Valvetrain OHV 2V OHV 2V OHV 4V
Block composition Iron Iron Iron
Head composition Aluminum Aluminum Aluminum
Bore / Stroke 4.00 x 3.62 4.25 x 4.37 4.06 x 3.90
Horsepower 300hp 340hp 300hp
Horsepower (rpm) 4400rpm 4200rpm 3100rpm
Torque 370lb-ft 455lb-ft 520lb-ft
Torque (rpm) 4000rpm 3200rpm 1800rpm
Notes LB7
Years in common 2001 - 2004 2001 - 2004 2001 - 2003

Transmissions

Transmission ZF S6-650 4L80 NV4500
Speeds 6 4 5
Type Manual Automatic Manual
Gear ratio 1 5.79 2.48 5.61
Gear ratio 2 3.31 1.48 3.04
Gear ratio 3 2.10 1.00 1.67
Gear ratio 4 1.31 0.75 1.00
Gear ratio 5 1.00 0.75
Gear ratio 6 0.76
Gear ratio reverse 5.23 2.08 5.04

Transfer Case

Model Type Low Range Ratio Case Material Notes
NP261 Chain 2.61 Aluminum Manual shift
NP263 Chain 2.61 Aluminum Electric shift

Axle Ratios

Engine Transmission Standard axle ratio Optional axle ratios Notes
6.6L V8
6.0L V8 4L80
8.1L V8 Allison 1000

Interior Dimensions

Cab Type Headroom (F/R) Hiproom (F/R) Legroom (F/R) Shoulder room (F/R) Volume (F/R)
Regular 41.0 / na 61.4 / na 41.3 / na 65.2 / na
Super 41.0 / 38.4 61.4 / 61.5 41.3 / 33.7 65.2 / 66.3
Crew 41.0 / 39.0 61.4 / 62.9 41.3 / 39.1 65.2 / 66.3

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
4x4 Regular 8 ft 133.0in 222.1in 79.7in 76.7 43.7ft 7.6 34.0gal 5687lb 9900lb
4x4 Extended 8 ft 157.5in 246.6in 79.7in 76.7 50.8ft 7.6 34.0gal 6197lb 9900lb
4x4 Crew 8 ft 167.0in 256.2in 79.7in 77.0 53.5ft 7.6 34.0gal 6322lb 9900lb

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
4x4 Torsion bar independent AAM 9.5" 4500lb 4800lb Leaf spring solid axle AAM 11.5" 6500lb

Brakes, Wheels & Tires

Front brake type Disc
Front brake diameter/size 12.80in
Front brake total swept area 245.50sq in
Rear brake type Disc
Rear brake diameter/size 12.80
Rear brake total swept area 235.10sq in
Tires, standard LT265/75 R16 E
Tires, optional
Wheel size, standard 16x6.5
Wheel size, optional
Notes

Towing

Engine Trans Axle ratio GCWR Max loaded trailer weight Notes
6.0L V8 4.10 16000
8.1L V8 4.10 22000
6.6L V8 3.73 22000

References

GM Body Builder / Upfitter Guides (detailed dimensions and specs)
GM Owners Manuals (requires Yahoo ID) Sign in with a Yahoo ID (or create one) to access GM owners manuals and other publications and updates for GM trucks.
The Diesel Page's FAQ for the 6.6L Duramax Covers all years