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2003 Hummer H2 Technical Briefing



Model: 2003 HUMMER H2 SUV
Body style: Four-door sport-utility, body-on-frame construction
Driveline: Front-engine, full-time 4WD
EPA vehicle class: Full-size sport utility
Assembly plant: Mishawaka, Indiana (AM General)

Engine type: Vortec 6000 6.0-liter V8 with cast iron block, cast aluminum cylinder heads, sequential fuel injection
Displacement (cu. in./cc): 364/5,967
Bore and stroke (in./mm): 4.00 x 3.62/101.6 x 92.0
Valvetrain: OHV
Compression ratio: 9.4:1
Horsepower (SAE hp): (est.) 325 @ 5200 rpm
Torque (lb.-ft./Nm): (est.) 385 @ 3600 rpm
Transmission type: 4L65-E 4-speed auto
Gear ratios (:1): 1st 3.06
                         2nd 1.62
                         3rd 1.00
                         4th 0.69
                         Rev. 2.29

Stall ratio: 1.90
Final drive (axle) ratio: 4.10
Low range lock gear reduction: 2.64
Crawl ratio: 33.1

EXTERIOR DIMENSIONS (in./mm, except where noted):
Wheelbase: 122.8/3,118
Overall vehicle length: 189.8/4,819.7
Tread (front): 69.4/1,762.8
Tread (rear): 69.4/1,762.8
Vehicle width excluding mirrors: 81.2/2,062.6
Overall vehicle height @ curb weight: (est.) 77.8-82/1,977-2,080 (with and without roof rack)

Angle of approach (degree): (est.) 39.8°-43.6°
Angle of departure (degree): (est.) 35.9°-39.7°
Ramp brake-over angle (degree): (est.) 24.3°
Axle differential to ground (in./mm): 9.4/238
Min. running ground clearance (in./mm): (est.) 9/229

Front: Independent with torsion bars; 46mm monotube gas shocks; 35.9mm front stabilizer bar
Rear: 5-link variable-rate coil spring; opt. self-leveling air spring (w/RPO ZM6); 46mm monotube shocks, 30mm stabilizer bar
Traction Control: Brake-controlled, single-wheel control capability with rear axle locking differential

Steering type: Variable ratio, integral power; recirculating ball type
Ratio: 15/13:1
Steering wheel turns, (lock-to-lock): 3.25
Turning circle, curb-to-curb (ft./m): (est.) 44.3/13.5
Brakes: Four-wheel disc, four-wheel/four channel ABS, dual piston calipers with Dynamic Rear Proportioning
Wheel size and type (in.): 17.0 x 8.5 cast aluminum
Tire size and type:
      Standard: LT285/70R17 all-terrain
      Optional: LT315/70R17 off-road

GVWR, standard (lbs./kg): 8,600/3,901
Base curb weight (lbs./kg): (est.) 6,400/2,909
Trailer towing maximum (lbs./kg): (est.) 7,000/3,182
Winch capacity (lbs./kg): (est.) 9,000/4,091
Fuel tank capacity (gal./l): (est.) 33/124.9

Range (Minimum): 350 miles+



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