2003 Chevrolet / GMC Medium Duty Truck Specifications
2003 Chevrolet / GMC Medium Duty Truck Specifications
| Vehicle(s): | 2003 Chevrolet Kodiak / GMC TopKick C4500 and C5500 | ||
GENERAL DATA | |||
| Location of final assembly: | Flint, Michigan | ||
| Body style(s): | 1-3 passenger regular cab; 1-6 passenger crew cab, Motorhome cutaway cab chassis, Commercial cutaway chassis cab and school bus chassis | ||
EPA size class: | Class 4 (C4500) and Class 5 (C5500) Trucks available in 16,000-, 18,000-, and 19,500-pound GVW ratings | ||
| Key Competitor: | Ford SuperDuty | ||
| Drivetrain layout: | Front-engine, rear-wheel drive | ||
| Airbags: | Available driver- and passenger-side | ||
POWERTRAINS | |||
| Engine type (C4500 and C5500): | Vortec 8100 (L18) OHV gas V8, cast-iron block and heads | ||
| Bore x stroke (in./mm): | 4.25 x 4.37 / 107.95 x 111.0 | ||
| Displacement (cu in / cc): | 496 / 8128 | ||
| Compression ratio: | 9.1:1 | ||
| Valve gear: | OHV, 2 valves per cylinder | ||
| Fuel induction: | Sequential Fuel Injection (coil-near-plug) | ||
| SAE Horsepower (hp / kw @ rpm): | 225 (LQR) or 325 (LRW) / 168 (LQR) or 242 (LRW) @ 3600 (LQR) / 4000 (LRW) | ||
| SAE Torque (lb-ft / Nm @ rpm): | 350 (LQR) or 450 (LRW) / 475 (LQR) or 603 (LRW) @ 1200 (LQR) or 2800 (LRW) | ||
| Transmission type: | ZF S6-650 (M50) 6-speed manual | ||
| Gear Ratios: | |||
| 5.79 | ||
| 3.31 | ||
| 2.10 | ||
| 1.31 | ||
| 1.00 | ||
| 0.76 | ||
| Reverse | 5.23 | ||
| Final drive (axle) ratio | 5.13 | ||
| Max. engine speed (rpm): | 5500 | ||
| Electrical: | Single battery (600 CCA), 105-amp alternator | ||
| Recommended fuel: | 87 octane unleaded (minimum) | ||
| Engine type (C4500 and C5500): | Duramax 6600 (LB7), OHV diesel V8, cast-iron block, aluminum heads | ||
| Bore x stroke (in./mm): | 4.06 x 3.90 / 103.0 x 99.0 | ||
| Displacement (cu in / cc): | 403 / 6599 | ||
| Compression ratio: | 17.5:1 | ||
| Valve gear: | OHV, 4 vales per cylinder | ||
| Fuel induction: | Turbocharged, intercooled Direct Injection via high-pressure common rail | ||
| SAE Horsepower (hp / Kw @ rpm): | 210 or 300 / 157 or 224 @ 3100 | ||
| SAE Torque (lb-ft / Nm @ rpm): | 520 / 705 @ 1800 | ||
| Transmission type: | Allison 1000 (M74) 5-speed automatic | ||
| Gear Ratios: | |||
| 3.10 | ||
| 1.81 | ||
| 1.41 | ||
| 1.00 | ||
| 0.71 | ||
| Reverse | 4.49 | ||
| PTO (optional): | 6-bolt SAE | ||
| Final drive (axle) ratio: | 4.88 / 5.13 | ||
| Max. engine speed (rpm): | 3250 | ||
| Electrical: | Dual 1110 series battery (1500 CCA), 105-amp alternator | ||
| Recommended fuel: | No. 2 diesel | ||
DIMENSIONS / CAPACITIES (Representative Models) | |||
| Wheelbase (in.): | 128.0 (Regular Cab) 194.0 (Crew Cab) | ||
| Length (in.): | 205.5 (Regular Cab) 315.3 (Crew Cab) | ||
| Width (in.): | 95.8 (114.9 with mirrors) | ||
| Height (in.): | 90.6 (Regular Cab) 91.2 (Crew Cab) | ||
| Frame width (in.): | 33.5 (C4500: 80,000 psi; C5500: 80,000 psi) | ||
| Track, f / r (in.): | 79.6 / 73.1 | ||
| Head room f & r (in.): | 4.6 (minimum head clearance) | ||
| Leg room f / r (in.): | 39.9 / 39.4 | ||
| Shoulder room f / r (in.): | 68.8 / 67.4 | ||
| Mirrors, surface area (sq. in.): | 120 (outside-mounted mirrors only) | ||
| Ground clearance (in.): | 8.4 (Regular Cab) 8.3 (Crew Cab) | ||
| Approach / departure angle (deg.): | 28.1 / 23.0 (Reg. Cab), 19.9 (Crew Cab) | ||
| Step-in height (in.): | 19.0 | ||
| GVWR (lbs.): | 16,000 | ||
| GCWR (lbs.): | 24,000 (C4500); 26,000 (C5500) | ||
| Fuel capacity (gal.): | 40 (single, behind rear axle) (opt 41 gallon dual tank: 25 midship and 16 aft of rear axle) | ||
CHASSIS | |||
| Suspension, front: | I-beam axle (6,000-lb. w/C4500, 6,000 or 7,000-lb. w/C5500), single-stage parabolic tapered leaf springs with 34mm square-tube stabilizer bar 35mm shock absorbers | ||
| Suspension, rear: | Full floating axle (11,000-lb. w/C4500, 13,500-lb. w/C5500), multi-leaf springs with 35mm shock absorbers, 44.5mm stabilizer bar (standard with taper-leaf and optional with multi-leaf) | ||
| Steering type: | ZF S-2 recirculating ball, integral power | ||
| Ratio: | Variable, 16.1:1 to 19.6:1 | ||
| Turning diameter (ft.): | as low as 35.3 (Regular Cab) or as low as 44.6 (Crew Cab) | ||
| Brakes, front: | hydraulic,15-in. discs, four-channel ABS, EBD | ||
| Brakes, rear: | hydraulic,15-in. discs, four-channel ABS, EBD (opt. brake-controlled Traction Control System) | ||
| Wheels: | Hub-piloted steel, 8-hole, 19.5 in. x 6-in. (opt. 19.5 x 6.75 size in steel and aluminum) | ||
| Tires: | 225/70R19.5F, with choice of Premium Highway, Traction or All-Season tread design | ||
OVERALL WHEELBASE AND FRAME DIMENSIONS | |||
| Wheelbase (inches) | Cab-to- Axle (CA) (inches) | Cab to End of Frame (CE) (inches) | |
| Conventional Cab Chassis | |||
| 128 | 60 | 95.9 | |
| 152 | 84 | 139.3 | |
| 176 | 108 | 177.6 | |
| 188 | 120 | 203.0 | |
| 194 | 126 | 209.0 | |
| 206 | 138 | 221.0 | |
| Crew Cab | |||
| 169 | 60 | 121.3 | |
| 194 | 84 | 146.3 | |
| 217 | 108 | 192.0 | |
| 229 | 120 | 204.0 | |
| 235 | 126 | 210.1 | |
| Motor Home Cutaway | |||
| 165.5 | 100 | 182.9 | |
| 183.5 | 118 | 217.4 | |
| 195.5 | 130 | 245.9 | |
| 213.5 | 148 | 264.0 | |
| Commercial Cutaway | |||
| 165.5 | 100 | 169.7 | |
| 183.5 | 118 | 201.0 | |
| 195.5 | 130 | 213.0 | |
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