| Regular Cab/Crew Cab 2WD |
Regular Cab/Crew Cab 4WD |
Motor Home 2WD |
Commercial Cutaway 2WD |
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| Front axle, 7,000 lbs capacity I-beam Wide-trac, up to 53 degree turn angle, includes 4-piston brake applied calipers |
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| Front axle, solid, 8,000 lbs capacity, up to 45 degree turn angle, includes 4-piston brake applied calipers, manual locking hubs |
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| Rear axle, single speed, full floating, 11,000 lbs capacity, includes 2-piston brake applied calipers |
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| Rear axle, single speed, full floating, 13,500 lbs capacity, includes 2-piston brake applied calipers |
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| Rear axle ratio, 4.30:1-5.13:1 |
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| Rear axle ratio, 5.13:1 (Motor home 2WD and Commercial Cutaway 2WD requires gasoline engine) |
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| Regular Cab/Crew Cab 2WD |
Regular Cab/Crew Cab 4WD |
Motor Home 2WD |
Commercial Cutaway 2WD |
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| Brakes, front 4-wheel disc, 4-channel ABS, 4-piston |
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| Brakes, front 4-wheel disc, 4-channel ABS, 4-piston (Standard on Crew Cabs and Regular Cab 4WD and available on Regular Cab 2WD models) |
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| Brakes, rear, 4-wheel disc, 4-channel ABS, 2-piston |
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| Electronic traction control, utilizing ABS |
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| Limited slip differential, rear |
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| Rear in-wheel park-brake hand lever operated |
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| Park brake, hand lever operated transmission mounted drum brake |
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| Park brake, foot pedal operated transmission mounted drum brake |
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| Engine Options | Trim Levels | Horsepower | Torque (lb-ft.) |
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| Regular/ Crew Cab 2WD |
Regular/ Crew Cab 4WD |
Motor Home 2WD |
Commercial Cutaway 2WD |
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| Vortec 8.1L V8 Gasoline |
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| 325 | 450 |
| DURAMAX 6.6L Diesel - 2007 diesel emission regulations |
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| 300 | 520 |
| DURAMAX 6.6L Diesel - 2007 diesel emission regulations |
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| 330 | 620 |
| Engine Equipment | Regular Cab/Crew Cab 2WD |
Regular Cab/Crew Cab 4WD |
Motor Home 2WD |
Commercial Cutaway 2WD |
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| Air cleaner, dry type |
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| Air cleaner, heavy-duty increase capacity design for severe dust conditions (N/A with diesel engines) |
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| Air cleaner, underhood restriction gauge |
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| Air compressor, electric, self contained, 12V |
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| Alternator, AD244 Delco-Remy 150-amp maximum |
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| Alternator, dual, 105-amp maximum (Requires gasoline engine) |
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| Alternator, dual, 150-amp maximum (Requires diesel engine) |
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| Battery, single, 600 cold cranking amps, 115-minute reserve capacity (Requires gasoline engine) |
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| Battery, single, 700 cold cranking amps, 115-minute reserve capacity (Requires gasoline engine) |
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| Battery, single, 770 cold cranking amps, 115-minute reserve capacity (Requires gasoline engine) |
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| Battery, dual, 700 cold cranking amps, 360 minute reserve capacity (With gasoline engines, battery isolator is not available) |
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| Battery, dual, 750 cold cranking amps, 320 minute reserve capacity (Standard with diesel engines and available with gasoline engine) |
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| Battery, triple, 700 cold cranking amps, 540 minute reserve capacity (Available with diesel engines only) |
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| Battery, isolator, available for specialty applications |
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| Electric hand throttle, (activation switch) IP mounted, when activated, adjusts engine rpms, includes cruise control |
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| Electronic traction control, utilizing ABS |
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| Engine block heater, 400-watt, 110V (Gasoline engines only) |
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| Engine block heater, 1,000-watt, 120V (Diesel engines only) |
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| Engine exhaust brake (Requires diesel engine) |
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| Engine speed controls, high idle switch RPM is preset, located on instrument panel |
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| Engine shutdown, automatic with alarm, activated by low or high engine oil pressure, and high coolant temperature, standard with diesel engine and optional with gasoline engines. |
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| Engine warning without automatic engine shutdown, (Requires diesel engine, Available only on Reg Cabs and Commercial Cutaway) |
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| Exhaust system, single horizontal, passenger side mounted inside frame rail, stainless-steel with gasoline engines, 409 stainless steel with diesel engines |
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| Exhaust system, over the axel, passenger side rear exit (Available on Regular Cab 2WD only) |
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| Exhaust system, side exit forward of right rear wheels |
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| Limited slip differential, rear |
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| Radiator hoses, silicone includes upper and lower hoses |
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| Road speed governor, controlled by the speed rating of the tires ordered, which will be less than or equal to 75 mph |
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| Road speed governor, controlled by the speed rating of the tires ordered, which will be less than or equal to 85 mph |
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| Road speed governor, 65 mph |
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| Transmissions Equipment | Regular Cab/Crew Cab 2WD |
Regular Cab/Crew Cab 4WD |
Motor Home 2WD |
Commercial Cutaway 2WD |
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| Transmission, automatic, Allison 1000 Series 6-speed - with 4th Generation Electronic Controls and 0.61 overdrive. Standard on post 07i engines |
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| Transmission, automatic, Allison 1000HS Highway Series |
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| Transmission, automatic, Allison 1000RDS Rugged Duty Series, requires power take-off option |
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| Transmission, automatic, Allison 1000EVS Emergency Vehicle Series, standard with power take-off option (Requires diesel engine) |
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| Transmission, automatic, Allison 1000PTS Pupil Transportation/Shuttle Series, not available with power take-off option |
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| Transmission, automatic, Allison 2350 Highway Series, 6 speed with 4th Generation Electronic Controls and 0.61 overdrive |
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| Transmission, automatic, Allison 2350 Rugged Duty Series, 6 speed with 4th Generation Electronic Controls and 0.61 overdrive |
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| Transmission, automatic, fluid, synthetic TranSynd |
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| Transmission, oil cooler, auxiliary, air to oil |
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| Transfer case, 2-speed, electrically actuated IP mounted switch, includes shield |
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| Regular Cab/Crew Cab 2WD |
Regular Cab/Crew Cab 4WD |
Motor Home 2WD |
Commercial Cutaway 2WD |
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| Frame reinforcement, L Channel 80,000 psi yield |
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| Shock absorber, front, diameter 1.375" |
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| Shock absorber, rear- not desired |
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| Shock Absorber, rear- included with tapered leaf optional with multi-leaf suspensions (Standard on Crew Cab 2WD and Motor Home 2WD) |
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| Stabilizer bar, front, 2" x 2" square tube |
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| Stabilizer bar, rear, diameter 44mm (Standard on Crew Cab 2wd and available on Regular Cab 2WD models. Not available on Crew cab 4WD models.) |
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| Suspension, front, tapered leaf 7,000 lbs capacity (includes stabilizer) |
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| Suspension, front, tapered leaf 8,000 lbs capacity |
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| Suspension, rear, multileaf, 11,000 lbs capacity (Standard on Regular Cab 2WD and available on Crew Cab 2WD models, requires single speed rear axle) |
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| Suspension, rear, multileaf, 13,500 lbs capacity |
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| Suspension, rear, multi-leaf, 15,000 lbs capacity |
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| Suspension, rear, tapered leaf, 11,000 lbs capacity (Standard on Crew Cab 2WD and available on Regular Cab 2WD models, requires single speed rear axle) |
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| Suspension, rear, tapered leaf, 13,500 lbs capacity |
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| Suspension, Quiet-Ride spring package |
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