| Vehicle(s): |
2003 Chevrolet Kodiak / GMC TopKick C6500/C7500/C8500 |
|
GENERAL DATA
|
| Location of final assembly: |
Flint, Michigan |
| Body style(s): |
1-3 passenger Regular Cab; 1-6 passenger Crew Cab, Commercial
Cutaway Chassis Cab |
| EPA size class: |
Class 6 (C6500), Class 7 (C7500) and Class 8 (C8500)
Medium Duty Trucks available in 19,501-26,000-pound (Class 6), 26,001-33,000-pound
(Class 7) and 33,001-61,000-pound (Class 8) GVW ratings |
| Key Competitors: |
International Truck, Freightliner, Ford |
| Drivetrain layout: |
Front-engine, rear-wheel drive |
| Airbags: |
Driver's-side standard |
|
POWERTRAINS
|
| Engine type: |
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 (8.1-liter) |
| 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 / 168 (LQR) or 295 / 242 (LRZ) @ 3600 |
SAE Torque (lb-ft / Nm)
@ rpm): |
350 / 475 (LQR) or 440 / 597 (LRZ) @ 1200 (LQR) or 3200 (LRZ) |
| Max. engine speed (rpm): |
4200 (w/ hydraulic brakes)
4000 (w/ air brakes) |
| Electrical: |
Dual batteries (1500 CCA), 105-amp alternator |
| Recommended fuel: |
87 octane unleaded |
| Engine type: |
Duramax 7800 (LG4), diesel inline-6, gray-iron block and cast-iron
head |
| Bore x stroke (in / mm): |
4.53 x 4.92 / 115 x 125 |
| Displacement, (cu in / cc): |
475 / 7785 (7.8-liter) |
| Compression ratio: |
16.0:1 |
| Valve gear: |
4 valves per cylinder |
| Fuel induction: |
Turbocharged, intercooled
Direct Injection via
high-pressure common rail |
| SAE Horsepower (hp / kw @ rpm): |
200 / 149 (LQB), 215 / 160 (LPE), 230 / 172 (LQC), 250 / 187
(LPC), 250 / 187 (LQS), 275 / 205 (LQH) or 275 /205 (LPK) @ 2200 |
| SAE Torque (lb-ft / Nm @ rpm): |
520 / 706 (LQB), 605 / 821 (LPE), 660 / 896 (LQC),
660 / 896 (LPC), 800 / 1086 (LQS), 800 / 1086 (LQH) or 860 / 1167 (LPK)
@ 1450 |
| Gov. full-load setting (rpm): |
2400 |
| Electrical: |
Dual batteries (1500 CCA), 105-amp alternator |
| Recommended fuel: |
No. 2 diesel |
| Engine type: |
Caterpillar 3126E, diesel inline-6, gray-iron block and head |
| Bore x stroke (in./mm): |
4.33 x 5.0 / 110 x 127 |
| Displacement, (cu in / cc): |
442 / 7244 (7.2-liter) |
| Compression ratio: |
16.0:1 |
| Valve gear: |
3 valves per cylinder |
| Fuel induction: |
Turbocharged, air-to-air aftercooled
Direct, HEUI unit injector |
| SAE Horsepower (hp / kw @ rpm): |
175 / 131 (LSV), 210 / 157 (LSX) or 210 / 157 (LRQ) @ 2500;
207 / 154 (LQA) @ 2300; 230 / 172 (LSZ), 250 /187 (LQV), 250 / 187 (LRR),
275 / 205 (LQW), 275 / 205 (LRS), 300 / 224 (LQX) or 300 / 224 (LRS) @ 2400
|
| SAE Torque, lb.-ft. @ rpm: |
420 / 570 (LSV), 520 / 706 (LQA), 520 / 706 (LSX), 605 / 821
(LRQ), 660 / 896 (LSZ), 660 / 896 (LQV), 800 / 1086 (LRR), 800 / 1086 (LQW),
860 / 1167 (LRS), 800 / 1086 (LQX) or 860 / 1167(LRS) @ 1440 |
| Gov. full-load setting (rpm): |
2200 |
| Electrical: |
Dual batteries (1500 CCA), 105-amp alternator |
| Recommended fuel: |
No. 2 diesel |
| Transmission type(s): |
|
| MD |
- 3000 Series automatics |
| Allison |
- 2000 (MX4) / 2400 (MTW) 5-speed automatic |
| |
- MP3060P close-ratio 5-speed (MNK) or
6-speed (MP8) automatic |
| |
- MP3560P wide-ratio (MNZ) 5-speed (MNZ) or
6-speed (MTP) automatic |
| Eaton Fuller |
5-, 6-, 9-, and 10-speed manuals |
| |
- FS4205A (MSG) standard-step 5-speed |
| |
- FS4205B (MSC) short-step (4th to 5th) 5-speed |
| |
- FS5205A (MPU) high-torque version of MSG |
| |
- FS5205B (MNC) high-torque version of MSC |
| |
- FS6305A (MKO) high-capacity ver. of MPU |
| |
- FS6305B (MLO) high-capacity ver. of MNC |
| |
- FS5406A (MM7) Synchro-6 six-speed or (MM8) high-torque capacity
version of MM7 |
| |
- FSO-8406A (M69) Synchro-6 six-speed, high-torque version
of MM8 |
| |
- RT-6609A (MUT) 9-speed (9 fwd., 2 rev.) |
| |
- RT-8709B (MS9) high-torque version of MUT |
| |
- RT-8908LL (MT3) 10-speed (8 forward plus 2 lows,
3 reverse) |
| Spicer / TTC 7-speed manuals |
- ES56-7B (MK8) 7-speed manual |
| |
- ESO66-7B (MK9) high-torque version of MK8 |
|
DIMENSIONS / CAPACITIES
(Class 6 Representative Model)
|
| Wheelbase (in.): |
152.0 (Reg. Cab) 248.0 (Lo Pro) |
| Length (in.): |
240.3 (Reg. Cab) 378.1 (Lo Pro) |
| Width (in.): |
95.8 (114.9 with mirrors) |
| Frame width (in.): |
34.0 (80,000 psi frame-rail yield strength) |
| Track, f / r (in.): |
81.8 / 71.6 (Reg. Cab) 83.3 / 75.1 (Lo Pro) |
| 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.): |
10.7 (Reg. Cab) 7.0 (Lo Pro) |
| Approach / departure angle (deg.): |
38.3/34.3 (Reg. Cab) 26.0/13.6 (Lo Pro) |
| Step-in height (to sill, in.): |
45.6 (Reg. Cab) 38.5 (Lo Pro) |
| GVWR (lbs.): |
19,501 (Class 6) to 61,000 (Class 8) |
| Fuel capacity (gal.): |
53 (single LH step std., all exc. Lo Pro)
53 (single RH step, optional)
80 (53 LH step and 27 RH step, opt.)
106 (53 LH and RH step - dual, opt.)
38 (single LH step, Lo Pro, std.)
76 (38 LH and RH step, Lo Pro, opt.) |
|
CHASSIS
|
| Suspension, front: |
Single-stage parabolic tapered leaf springs (7,000-, 8,000-,
9,000-, 10,000-, 12,000- and 14,000-pound capacities), or single-stage,
multi-leaf springs (9,000-, 12,000-, 14,600-, and 18,000-pound), with twin-tube
35mm shock absorbers and available 34mm, 38mm or 42 mm stabilizer bar |
| Suspension, rear: |
Eaton DS404 axle on parabolic, 3 tapered-leaf springs (15,000-,
19,000-, 21,000- and 23,000-pound capacities), twin tube, 35mm or 45mm (depending
on spring rate) shock absorbers and 44mm (15,000-pound) or 48 (all other
capacities) stabilizer bar. Multi-leaf available in 15,000-, 19,000-, 21,000-,
23,000- and 27,000-pound capacities (shock absorbers optional).
Hendrickson "Air-Ride" suspension available in 19,000- and 23,000-pound
capacities; "Walking Beam" available in 34,000- and 46,000-pound
with tandem rear axles |
| Steering type: |
ZF S-2 recirculating ball, integral power |
| Ratio(s): |
Variable: 16.1 to 19.6:1 for 8,000-pound front axle; 18.1
to 21.4:1 for 10,000-, 12,000- and 14,600-pound; and 21.4 to 24.5;1 for
16,000. |
| Turning circle (ft.): |
39.0 (Class 6 Reg. Cab); 60.9 (Lo Pro version) |
| Brakes, front: |
hydraulic,15.4-in. discs, 4-channel ABS, EBD |
| Brakes, rear: |
hydraulic,15.4-in. discs, 4-channel ABS, EBD
(opt. brake-controlled Traction Control System)
(Air drum brakes available for Class 8 trucks) |
| Wheels (in.): |
19.5 x 6.75 steel (Lo Pro model); 22.5 x 7.5 steel (all other
models); larger sizes optional
(opt. 19.5 x 6.75 size in steel and aluminum)
|
| Tires: |
Standard sizes range from 245/70R19.5F (most Class 6 models)
to 11R22.5H and 12R22.5H (on Class 8 models); hwy. tread |
All product information is based on the latest information at time of production
and is subject to change without notice.
