Specs for 2003 Dodge 3500

Changes this model year:
First of the "3rd generation" Dodge pickups in the heavy duty line (the light duties debuted on year earlier). New frames and cabs for 2003. The quad cab becomes 4 front-opening doors, replacing the previous generation's rear-hinged back doors.


Engine 5.9L I6 5.9L I6
Fuel Diesel Diesel
Valvetrain OHV 4V OHV 4V
Block composition Iron Iron
Head composition Iron Iron
Bore / Stroke 4.02 x 4.72 4.02 x 4.72
Horsepower 235hp 305hp
Horsepower (rpm) 2700rpm 2700rpm
Torque 460lb-ft 555lb-ft
Torque (rpm) 1600rpm 1600rpm
Notes CARB High Output
Years in common 2003 2003


Transmission 48RE NV5600
Speeds 4 6
Type Automatic Manual
Gear ratio 1 2.45 5.63
Gear ratio 2 1.45 3.38
Gear ratio 3 1.00 2.04
Gear ratio 4 0.69 1.39
Gear ratio 5 1.00
Gear ratio 6 0.73
Gear ratio reverse 2.21 5.63

Transfer Case

Model Type Low Range Ratio Case Material Notes
New Venture 273 Chain 2.72 Aluminum
New Venture 271 Chain 2.72 Aluminum

Axle Ratios

Engine Transmission Standard axle ratio Optional axle ratios Notes
5.9L I6 3.73 4.10

Interior Dimensions

Cab Type Headroom (F/R) Hiproom (F/R) Legroom (F/R) Shoulder room (F/R) Volume (F/R)
Regular 40.9 41
QuadCab 40.9/40 41/36.4

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 QuadCab 6.5 ft 140.5in 227.7in 79.6in 74.8 53.2 33.3 47.0ft 7.4 17.0 24.8 16.9 34.0gal 6476lb 9900lb
4x4 QuadCab 6.5 ft 140.5in 227.7in 79.6in 78.9 56.5 36.6 47.5ft 7.4 24.7 28.4 25.0 34.0gal 6894lb 9900lb
4x2 QuadCab 8 ft 160.5in 249.7in 79.6in 74.7 53.2 33.3 44.1ft 7.4 17.1 23.7 15.7 35.0gal 6601lb 9900lb
4x4 QuadCab 8 ft 160.5in 249.7in 79.6in 78.8 56.5 36.3 47.0ft 7.4 24.7 27.7 23.5 35.0gal 7029lb 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
4x2 Coil spring independent AAM 9.5" 5200lb Leaf spring solid axle AAM 11.5" 6200lb
4x4 Coil spring monobeam - 5200lb - - 6200lb

Brakes, Wheels & Tires

Front brake type Disc
Front brake diameter/size 12.90in
Front brake total swept area 313.20sq in
Rear brake type Disc
Rear brake diameter/size 13.90
Rear brake total swept area 309.60sq in
Tires, standard LT265/70 R17E
Tires, optional
Wheel size, standard 17x8.0
Wheel size, optional


Engine Trans Axle ratio GCWR Max loaded trailer weight Notes
5.9L I6 48RE 3.73 17000 CARB
5.9L I6 NV4500 3.73 18000 CARB
5.9L I6 48RE 4.10 19000 CARB
5.9L I6 NV4500 4.10 20000 CARB
5.9L I6 all 3.73 21000 5.9L H.O.
5.9L I6 all 4.10 23000 5.9L H.O.