Standard Features Automotive Specs Trailers
 
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Automotive Specifications:
ENGINE
GAS DIESEL
STD(L35)
4.3L (262 CID) GM Vortec V-6
Horsepower: 195 hp @ 4400 rpm
Torque: 250 ft. lbs. @ 2800 rpm
Sequential-Port Fuel Injection

STD(L31)
5.7L (350 CID) GM Vortec V-8
Horsepower: 240 hp @ 4000 rpm
Torque: 325 ft. lbs. @ 2800 rpm
Sequential-Port Fuel Injection
STD(L57) 6.5L V-8
Horsepower: 160 hp @ 3400 rpm
Torque: 290 ft. lbs. @ 1700 rpm
Naturaly Aspirated
BRAKES
8,600 lb. 11,000 lb. GVWR
Hydraulic Power
Disk Front: Rotor size: 12.5 x 1.54 in.
Caliper Piston Diameter: 3.38 in.
Drum Rear: Size: 13 x 3.50 in.

12,000 lb.-16,000 lb. GVWR
Hydraulic Power
Four-Wheel Disc: Front Rotor Size: 14.25 x 1.54 in.
Front & Rear Twin Caliper Piston Diameter: 3.38 in.
TRANSMISSION
Automatic (Standard) 4L80–E Hydra-matic 4-Speed Overdrive with Electronic Control (.75 ratio in 4th)
Manual (Optional) New Venture – H.D. 5-Speed Overdrive (.75 ratio in 5th)
Automatic (16,000 GVWR) 4L80–E Hydra-matic 4-Speed Overdrive with Remote Mounted Shift
STEERING
Variable-Ratio Integral Power: Ratio: 14:1
Gear Type: 8,600 lb. – 16,000 lb. GVWR - Saginaw 708
Column: Comfortilt, Includes Wiper/Washer and Headlight Dimmer
PARKING BRAKE
8,600 lb. – 11,000 lb. GVWR
Cable to Rear Wheels

12,000 lb. and 14,100 lb. GVWR
Transmission-Mounted Drum
(14,500 lb. GVWR on school bus)

16,000 lb. GVWR
Transmission-Mounted Drum with
Manual Apply
STANDARD FEATURES
Fuel Tanks: 40-Gal. (30 gal. on school bus)

Battery: 12-volt 600 CCA @ 0º F; Alternator: 105 amp; tilt-Steering column with anti-theft locking feature, custom steering wheel and brake/transmission shift interlock Instrument cluster with tachometer, trip odometer and dual note electric horn
MODELS, WHEELBASE, GVWR
MODELS WHEELBASE CURB WEIGHT1 8,600 9,400 10,000 11,000 12,000 14,100 14,5002 16,000
CP30542 110 in. 3,493 lb. x  
CP30842 125 in. 3,381 lb. x3 x x x x x x
CP31042 133 in. 3,392 lb. x x x x x x
CP31442 157 in. 3,542 lb. x x x x x x
CP31842 178 in. 3,919 lb. x x x x

1Curb weight is with standard equipment
2Bus only B3D/B3M
3Only Available with 4.3L engine
FRONT SUSPENSION
Independent Coil or I-Beam – Depending on GVWR
GVWR Determines Capacity
Stabilizer Bar (1.25 in. diameter) and Shocks (32 mm piston diameter)
5,000 lb. Leaf Suspension on 16,000 lb. GVWR
FRONT AXLE
110" 125" 133" 157" 178"
4,000 lb. capacity Independent Axle S S S S S
4,400 lb. capacity I-Beam Axle - O O O O
4,500 lb. capacity Independent Axle - O O O O
5,000 lb. capacity I-Beam Axle - O O O O

S = standard
O = option
FRAME
Maximum Section: 7.01 x 2.57 x .213 in. Maximum Section Modulus: 5.55
Maximum Resisting Bending Moment 177,600 lb.
Inner Reinforcements for Higher GVWR
TIRES
Tubeless Polyester and Steel-Belted Radial Tires are available, depending on GVWR
(Tire size and capacity ratings are determined by GVWR)
REAR SUSPENSION
Multi-leaf Springs – GVWR Determines Capacity and Shocks (35 mm piston diameter)
REAR AXLE
MAKE CAPACITY RATIO GVWR
American Axle 7,900 lb. 4:10/4:56 8,600 lb. 11,000 lb.
DANA 80 11,000 lb. 5:13 12,000 lb. 16,000 lb.
(14,500 lb. on school bus)
SCHOOL BUS
MODEL WHEEL BASE GVWR
CP30842 125 in. 14,500 lb.
CP31042 133 in. 14,500 lb.
CP31442 157 in. 14,500 lb.
B3D
Regular School Bus Equipment:
Brake warning indicator, black painted front bumper,
Black painted wheels, and 30-Gal. shielded fuel tank
(FHWA Certified)
B3M
Deluxe School Bus Equipment:
B3D – Plus propshaft guard, 100 amp. body-builder
connector and dual horns

View more information about the P30042 Commercial Chassis