Engines

2WD and 4WD Reg Cab 2WD and 4WD Ext Cab Reg, Ext, and Crew Cab Ext. and Crew Cab Horsepower Torque
(lb-ft.)
Work Truck
1SA2		 Work Truck
1SA3		 SLE
3SA4		 SLT
4SA5
2.9L DOHC 4-cylinder SFI Standard Standard Standard Not Available 185 190
3.7L DOHC 5-cylinder SFI (not available with manual transmission) Available Available Available Standard 242 242
5.3L V8 SFI (requires 4-speed automatic transmission. Not available on Regular Cab models) Not Available Not Available Available Available 300 320

Mechanical

  2WD and 4WD Reg Cab 2WD and 4WD Ext Cab Reg, Ext, and Crew Cab Ext. and Crew Cab
Work Truck
1SA2		 Work Truck
1SA3		 SLE
3SA4		 SLT
4SA5
Alternator, 125 amps Standard Standard Standard Standard
Alternator, 145 amps Not Available Not Available Available Available
Battery, heavy duty, 590 cold-cranking amps, maintenance-free with rundown protection Standard Standard Standard Standard
Brakes, 4-wheel antilock, front disc/rear drum Standard Standard Standard Standard
Differential, automatic locking rear Available Available Available Standard
Engine block heater Available Available Available Available
Front underbody shield Standard Standard Standard Standard
StabiliTrak, includes traction control. Standard Standard Standard Standard
Steering, power, rack-and-pinion Standard Standard Standard Standard
Transfer case, Insta-Trac, electronic shift with dash-mounted controls (4WD models only) Standard Standard Standard Standard
Transmission, 5-speed manual with overdrive (not available with 3.7L DOHC 5-cylinder MFI engine or 5.3L V8 SFI engine) Standard Standard Standard Not Available
Transmission, 4-speed automatic, electronically controlled with overdrive Available Available Available Standard

Transmission

  2WD and 4WD Reg Cab 2WD and 4WD Ext Cab Reg, Ext, and Crew Cab Ext. and Crew Cab
Work Truck
1SA2		 Work Truck
1SA3		 SLE
3SA4		 SLT
4SA5
Rear axle, 3.42 ratio Not Available Not Available Available Available
Rear axle, 3.73 ratio Standard Standard Standard Standard
Rear axle, 4.10 ratio Not Available Not Available Available Available
Transmission, 4-speed automatic, electronically controlled with overdrive Available Available Available Standard
Transmission, 5-speed manual with overdrive Standard Standard Standard Not Available

Steering

Turning Diameter  Regular Cab Extended Cab Crew Cab
Turning diameter, curb-to-curb, ft. 39.4 44.3 44.3
Features  2WD and 4WD Reg Cab 2WD and 4WD Ext Cab Reg, Ext, and Crew Cab Ext. and Crew Cab
Work Truck
1SA2		 Work Truck
1SA3		 SLE
3SA4		 SLT
4SA5
Differential, automatic locking rear Available Available Available Standard
Steering, power, rack-and-pinion Standard Standard Standard Standard
Z85 Suspension, Heavy Duty Standard Standard Standard Standard
Z71 Suspension, High-Stance Off-Road, includes 17" x 7" chrome clad wheels, P265/70R17 on-/off-road, blackwall tires, front torsion bars, 28mm front stabilizer bar, urethane jounce bumpers, large wheel flares and automatic locking rear differential Not Available Not Available Available Available
Suspension, front independent with torsion bars Standard Standard Available Available
Suspension, front independent with coil springs Standard Standard Standard Standard
Suspension, rear semi-floating axle with 2-stage multi-leaf springs Standard Standard Standard Standard
Suspension Package, Heavy-Duty Standard Standard Standard Standard
Suspension Package, Sport Not Available Not Available Available Available
StabiliTrak, includes traction control. Standard Standard Standard Standard
Transfer case, Insta-Trac, electronic shift, with dash-mounted controls (standard on 4WD models only) Standard Standard Standard Standard

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