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 (Standard on Regular Cab 2WD models) Standard Not Available Standard Standard
Front axle, 8,000 lbs capacity I-beam Wide-trac, up to 53 degree turn angle, includes 4-piston brake applied calipers (Available on Regular Cab 2WD models) Available Not Available Available Available
Front axle, 8,000 lbs capacity, solid drive axle, up to 45 degree turn angle (Includes 4 piston brake apply calipers) Not Available Standard Not Available Not Available
Front axle equipment, Front oil seals with clear-caps include synthetic lubricant Available Not Available Available Available
Rear axle, single speed, full floating, 13,500 lbs capacity, includes 2-piston brake applied calipers Standard Standard Standard Standard
Rear axle, single speed, full floating, 15,000 lbs capacity, includes 4-piston brake applied calipers Available Not Available Available Available
Rear axle, single speed, full floating, 19,000 lbs capacity, includes 4-piston brake applied calipers Available Not Available Available Available
Rear axle ratio, 4.30 Available Not Available Available Available
Rear axle ratio, 4.33 Available Not Available Not Available Not Available
Rear axle ratio, 4.56 Available Not Available Available Available
Rear axle ratio, 4.63 Available Not Available Available Available
Rear axle ratio, 4.78 Available Not Available Available Available
Rear axle ratio, 4.88 Available Not Available Available Available
Rear axle ratio, 5.13 Standard Standard Standard Standard
Rear axle ratio, 5.29 (Available on Regular Cab 2WD models) Available Not Available Not Available Not Available

Brakes

  Regular
Cab/Crew
Cab 2WD
Regular
Cab/Crew
Cab 4WD
Motor
Home
2WD
Commercial
Cutaway
2WD
Brakes, front, power, 4-wheel disc, 4 channel ABS, 4-piston Standard Standard Standard Standard
Brakes, rear, power, 4-wheel disc, 4 channel ABS, 2-piston Standard Standard Standard Standard
Electronic traction control, utilizing ABS Available Not Available Available Available
Limited slip differential, rear Available Standard Available Available
Foot-apply park brake Available Not Available Not Available Not Available

Engines & Transmission

Engine Options  Trim Levels Horsepower Torque
(lb-ft.)
Regular/
Crew Cab
2WD
Regular/
Crew Cab
4WD
Motor
Home
2WD
Commercial
Cutaway
2WD
Vortec 8.1L MD gasoline V8 Standard Standard Standard Standard 325 450 lb-ft
DURAMAX 6.6L Turbo Diesel - 2007 diesel emission regulations Available Available Available Available 300 520 lb-ft
DURAMAX 6.6L Diesel - 2007 diesel emission regulations Available Available Available Available 330 620 lb-ft
Engine Equipment  Regular
Cab/Crew
Cab 2WD
Regular
Cab/Crew
Cab 4WD
Motor
Home
2WD
Commercial
Cutaway
2WD
Air cleaner, dry type Standard Standard Standard Standard
Air cleaner, heavy duty increase capacity design for severe dust conditions (N/A with Diesel engines) Available Available Not Available Available
Air cleaner, underhood, air cleaner restriction gauge Available Available Available Available
Air compressor, electric, self contained, 12V Available Available Available Available
Alternator, 150-amp maximum Standard Standard Standard Standard
Alternator, dual, 105-amp maximum Available Available Not Available Available
Alternator, dual, 150-amp maximum Available Available Available Available
Battery, single, 600 cold cranking amps, 115-minute reserve capacity (Requires gasoline engine; N/A with ANQ Snow Plow Prep) Standard Standard Standard Standard
Battery, single, 660 cold cranking amps, 115-minute reserve capacity (Requires gasoline engine) Standard Not Available Not Available Not Available
Battery, single, 700 cold cranking amps, 115-minute reserve capacity (Requires gasoline engine) Available Available Not Available Available
Battery, single, 770 cold cranking amps, 115-minute reserve capacity (Requires gasoline engine) Available Available Not Available Available
Battery, dual, 700 cold cranking amps, 360-minute reserve capacity (With gasoline engines, battery isolator is not available) Available Available Not Available Available
Battery, dual, 750 cold cranking amps, 320-minute reserve capacity (Standard with diesel engines) Available Available Available Available
Battery, triple, 700 cold cranking amps, 540-minute reserve capacity (Diesel engines only) Available Available Not Available Available
Battery, isolator, available for specialty applications Available Available Not Available Available
Engine exhaust brake, variable geometry turbo type Available Available Available Available
Engine block heater, 400-watt, 110V (Gasoline engines only) Available Available Available Available
Engine block heater, 1,000-watt, 120V (Diesel engines only) Available Available Available Available
Engine speed controls, high idle switch RPM is preset, located on instrument panel Available Available Available Available
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 Available Available Available Available
Exhaust shutdown, engine warning without automatic engine shutdown Available Available Not Available Available
Exhaust system, single horizontal Passenger side, stainless steel with gasoline and diesel enhines Standard Not Available Not Available Not Available
Exhaust system, passenger side rear exit, (over the axle N/A with NLA fuel tank) Available Not Available Available Available
Exhaust system, side exit forward of right rear wheels Available Not Available Standard Standard
Electric hand throttle, (activation switch) IP mounted, when activated, it adjusts engine rpms (includes cruise control) (N/A with high idle switch) Available Available Not Available Available
Limited slip differential, rear (Not available on 2WD Cab) Available Standard Available Available
Radiator hoses, silicone, include upper and lower hoses Available Available Available Available
Road speed governor, may be controlled by the speed rating of the tires ordered Standard Not Available Standard Standard
Road speed governor, 75 mph Available Standard Available Available
Road speed governor, 65 mph Available Available Available Available
Transmissions Equipment  Regular
Cab/Crew
Cab 2WD
Regular
Cab/Crew
Cab 4WD
Motor
Home
2WD
Commercial
Cutaway
2WD
Transmission, automatic, Allison 1000 RDS Series 6-speed - with 4th Generation Electronic Controls and 0.61 overdrive. Standard on post 07i engines Available Available Not Available Available
Transmission, automatic, Allison 1000HS Highway Series, 6-speed with 4th generation electronic controls and 0.61 overdrive (Not available on 2WD Crew Cab) Standard Standard Not Available Standard
Transmission, automatic, 1000EVS Emergency Vehicle Series Available Available Not Available Available
Transmission, automatic, Allison 2200 HS/RDS Series (Close Ratio) 6-speed - with 4th Generation Electronic Controls and 0.61 overdrive. Torque Rating: 660 lb-ft. Column shift and Park Pawl. Includes transmission-oil cooler located inside radiator. Available Not Available Not Available Available
Transmission, automatic, Allison 2200 EVS Series 6-speed, with overdrive, includes transmission-oil cooler located inside radiator, and an air-to-oil auxiliary cooler Available Not Available Not Available Not Available
Transmission, automatic, Allison 1000PTS, Pupil Transportation/Shuttle Series, and overdrive Not Available Not Available Not Available Available
Transmission, automatic, Allison 2200PTS, Pupil Transportation/Shuttle Series, with overdrive, includes transmission-oil cooler located inside radiator, and an air-to-oil auxiliary cooler Not Available Not Available Not Available Available
Transmission, 2350HS/RDS Series 6-speed- with 4th Generation Electronic controls and 0.61 overdrive. Torque Rating:660 lb-ft. Includes transmission-oil cooler located inside radiator, and an air to air auxillary cooler Available Available Not Available Not Available
Transmission, 2350 EVS Series 6-sped- with 4th Generation Electronic controls and 0.61 overdrive. Torque Rating: 660 lb-ft. Includes transmission-oil cooler located inside radiator, and an air to air auxillary cooler. Available Available Not Available Available
Transmission, Allison 1000 MH Series (Close Ratio) 6-speed FOR MOTORHOME APPLICATION ONLY — With parking pawl and column shift, includes 4th Generation Electronic Controls and 0.61 overdrive Not Available Not Available Standard Not Available
Transmission, Allison 2350 MH Series 6-speed FOR MOTORHOME APPLICATION ONLY — With parking pawl and column shift, includes 4th Generation Electronic Controls with 0.61 overdrive Not Available Not Available Available Not Available
Transmission, Allison 2200 MHS Series (Close Ratio) 6-speed FOR MOTORHOME APPLICATION ONLY — With parking pawl and column shift, includes 4th Generation Electronic Controls and 0.61 overdrive Not Available Not Available Available Not Available
Transmission, automatic, fluid, synthetic TranSynd Standard Standard Standard Standard
Transmission, oil cooler, auxiliary, air to oil Available Available Available Available
Transfer case, 2-speed, electrically actuated IP mounted switch, includes shield Not Available Standard Not Available Not Available

Frames & Suspensions

  Regular
Cab/Crew
Cab 2WD
Regular
Cab/Crew
Cab 4WD
Motor
Home
2WD
Commercial
Cutaway
2WD
Frame reinforcement, L Channel 80,000 psi yield Available Available Available Available
Shock absorber, front, diameter 1.375" Standard Standard Standard Standard
Shock absorber, rear, not desired Standard Standard Available Standard
Shock absorber, rear, included with tapered leaf and optional with multi-leaf suspensions Available Available Standard Available
Stabilizer bar, front, 2" x 2" square tube with taper leaf suspensions, solid bar style with multileaf suspensions Standard Not Available Standard Standard
Stabilizer bar, solid bar style, 1.5" (Requires FSN front suspension) Standard Not Available Standard Available
Stabilizer bar, rear diameter 44mm, required with taper leaf springs (Standard on Crew Cab 2WD and available on Regular Cab 2WD models) Standard Not Available Standard Available
Rear Stabilizer, Provides increased load stabilization- improves handling and reduces vehicle roll. (Required with taper leaf springs and avail. With mulit-leaf springs.) Available Standard Standard Available
Suspension, front, tapered leaf 7,000 lbs capacity Standard Not Available Standard Standard
Suspension, front, tapered leaf 8,000 lbs capacity Available Standard Available Available
Suspension, rear, multileaf, 13,500 lbs capacity Available Not Available Not Available Standard
Suspension, rear, multileaf, 15,000 lbs capacity Standard Standard Not Available Available
Suspension, rear, multileaf, 15,000 lbs capacity Available Not Available Not Available Available
Suspension, rear, multileaf, 19,000 lbs capacity Available Not Available Not Available Available
Suspension, rear, tapered leaf, 13,500 lbs capacity Available Not Available Standard Available
Suspension, rear, tapered leaf, 15,000 lbs capacity Available Not Available Available Available
Suspension, rear, tapered leaf, 19,000 lbs capacity Available Not Available Available Available
Suspension, Quiet-Ride spring Package Available Not Available Standard Available

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