TOPKICK C4500

| BUILDING LEGENDS

Axles

	Regular Cab/Crew Cab 2WD	Regular Cab/Crew Cab 4WD	Motor Home 2WD	Commercial Cutaway 2WD
Front axle, 7,000 lbs capacity I-beam Wide-trac, up to 53-degree turn angle, includes 4-piston brake applied calipers
Front axle, solid, 8,000 lbs capacity, up to 45-degree turn angle, includes 4-piston brake applied calipers, manual locking hubs
Rear axle, single speed, full floating, 11,000 lbs capacity, includes 2-piston brake applied calipers
Rear axle, single speed, full floating, 13,500 lbs capacity, includes 2-piston brake applied calipers
Rear axle ratio, 4.30 - 5.13
Rear axle ratio, 5.13:1

Brakes

	Regular Cab/Crew Cab 2WD	Regular Cab/Crew Cab 4WD	Motor Home 2WD	Commercial Cutaway 2WD
Brakes, front 4-wheel disc, 4-channel ABS, 2-piston
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)
Brakes, rear, 4-wheel disc, 4-channel ABS, 2-piston
Electronic traction control, utilizing ABS (1-N/A with rear limited slip differential)
Limited slip differential, rear
Rear in-wheel park-brake, hand-lever operated
Park brake, hand-lever operated transmission mounted drum brake
Park brake, foot-pedal operated transmission mounted drum brake

Engines

Engine Options	Trim Levels				Horsepower	Torque (lb-ft.)
Engine Options	Regular/ Crew Cab 2WD	Regular/ Crew Cab 4WD	Motor Home 2WD	Commercial Cutaway 2WD	Horsepower	Torque (lb-ft.)
Vortec 8.1L V8 Gasoline					325	450
DURAMAX 6600 Turbo Diesel - 2006 diesel emission regulations					300	520
DURAMAX 6600 Turbo Diesel - 2006 diesel emission regulations					300	605
DURAMAX 6600 Turbo Diesel - 2007 diesel emission regulations					330	620

Engine Equipment	Regular Cab/Crew Cab 2WD	Regular Cab/Crew Cab 4WD	Motor Home 2WD	Commercial Cutaway 2WD
Air cleaner, dry type
Air cleaner, heavy duty increased-capacity design for severe dust conditions (N/A with diesel engines)
Air cleaner, underhood restriction gauge
Air compressor, electric, self-contained, 12V
Alternator, AD244 Delco-Remy 150-amp maximum
Alternator, dual, 105-amp maximum
Battery, single, 600 cold-cranking amps, 115-minute reserve capacity (requires gasoline engine)
Battery, single, 700 cold-cranking amps, 115-minute reserve capacity (requires gasoline engine)
Battery, single, 770 cold-cranking amps, 115-minute reserve capacity (requires gasoline engine)
Battery, dual, 700 cold-cranking amps, 360-minute reserve capacity (with gasoline engines battery isolator is not available)
Battery, dual, 750 cold-cranking amps, 320-minute reserve capacity (standard with diesel engines only)
Battery, triple, 700 cold-cranking amps, 540-minute reserve capacity (available with diesel engines only)
Battery, isolator, available for specialty applications
Electric hand throttle, (activation switch) IP mounted, when activated, adjusts engine RPMs, includes cruise control
Electronic traction control
Engine block heater, 400-watt, 110V (Gasoline engines only)
Engine block heater, 1,000-watt, 120V (Diesel engines only)
Engine exhaust brake
Engine speed controls, high idle switch RPM is preset, located on instrument panel
Engine shutdown, automatic with alarm, activated by low or high engine oil pressure, and high coolant temperature
Engine warning without automatic engine shutdown
Exhaust system, single horizontal, passenger-side mounted inside frame rail, stainless-steel with gasoline engines, aluminized steel with diesel engines
Exhaust system, passenger-side rear exit (Available on Regular Cab 2WD only)
Exhaust system, side exit forward of right rear wheels
Limited slip differential, rear
Radiator hoses, silicone, includes upper and lower hoses
Road speed governor, controlled by the speed rating of the tires ordered, which will be less than or equal to 75 mph
Road speed governor, controlled by the speed rating of the tires ordered, which will be less than or equal to 85 mph
Road speed governor, 65 mph

Transmissions Equipment	Regular Cab/Crew Cab 2WD	Regular Cab/Crew Cab 4WD	Motor Home 2WD	Commercial Cutaway 2WD
Transmission, automatic, Allison 1000 Series
Transmission, Allison 1000 Series 6-speed with 4th Generation Electronic Controls and 0.61 overdrive, 2007 Diesel Emissions Regulations
Transmission, automatic, Allison 1000HS Highway Series
Transmission, automatic, Allison 1000RDS Rugged Duty Series, requires power take-off option
Transmission, automatic, 1000EVS Emergency Vehicle Series, standard with power take-off option
Transmission, automatic, 1000MH Motor Home Series, standard with power take-off option
Transmission, automatic, Allison 1000PTS Pupil Transportation/Shuttle Series, not available with power take-off option
Transmission, automatic, fluid, synthetic TranSynd
Transmission, oil cooler, auxiliary, air-to-oil
Transmission, manual, 6-speed with overdrive and power take-off, includes 13" Valeo clutch
Transfer case, 2-speed, electrically actuated IP mounted switch, includes shield

Suspension

	Regular Cab/Crew Cab 2WD	Regular Cab/Crew Cab 4WD	Motor Home 2WD	Commercial Cutaway 2WD
Frame reinforcement, L Channel 80,000 psi yield
Shock absorber, front, diameter 1.375"
Shock absorber, rear, diameter 1.375"
Stabilizer bar, front, 2" x 2" square tube
Stabilizer bar, rear, diameter 44mm (Standard on Crew Cab 2WD and available on Regular Cab 2WD models)
Suspension, front, tapered leaf 7,000 lbs capacity (includes stabilizer)
Suspension, front, tapered leaf 8,000 lbs capacity
Suspension, rear, multileaf, 11,000 lbs capacity (Standard on Regular Cab 2WD and available on Crew Cab 2WD models, requires single speed rear axle)
Suspension, rear, multileaf, 13,500 lbs capacity
Suspension, rear, multileaf, 15,000 lbs capacity
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)
Suspension, rear, tapered leaf, 13,500 lbs capacity
Suspension, Quiet-Ride Spring Package

* The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. Click here to see all GMC vehicles' destination freight charges.