Model NPR-HD Gas Cab Chassis 176"WB, 153.5"CA 04 White, Standard model specifications with power windows and power door locks, air conditioning, rear body dome lamp switch, and an AM/FM/CD radio with Bluetooth Vehicle Application Truck Application Tires LRR (low rolling resistance) Engine GMPT 6.6L (400 CID) V8 gasoline engine; 350 HP at 4500 RPM; 425 lb-ft torque at 3800 RPM; precise fuel control direct injection technology; electronic throttle control; overhead valves with variable valve timing; heavy duty cast-iron cylinder block with sixbolt main-bearing cap; cast aluminum cylinder heads; forged steel crankshaft; stainless steel exhaust manifold. Transmission 6L90-E Hydra-Matic, 6-speed automatic with lock-up converter and overdrive. Ratios: Gear and Ratios 4.027, 2.364, 1.532, 1.152, 0.0852, 0.667, Rev. 3.064:1 Wheelbase 176 inches, includes ladder type channel frame. Full C section straight frame 33.5 inches wide. Yield strength 44,000 psi; section modulus 7.20 in3 RBM 316,800 lb./ft./in per rail. 153.5"CA Air Cleaner Dry paper single element. Air cleaner canister standard with air restriction gauge. Alternator 170 Amp. output with integral regulator. Battery Single Delco 12-V maintenance free 750 CCA frame mounted battery box Exhaust Single horizontal aluminized steel with catalytic converter and oxygen sensor devices. Front Axle “I”-beam rated at 6,830 lbs. Includes integral hydraulic power steering. Ratio 18.8-20.9:1. Front Suspension 6,830 lb. capacity. Semi-elliptical tapered leaf springs. Includes shock absorbers and stabilizer bar. Front Wheels 19.5” x 6”, 6-hole disc, painted white Front Tires 225/70R19.5G (14 ply) tubeless Radial, all season Tread Rear Suspension 12,900 lbs. Capacity semi elliptical; main and auxiliary multi- leaf spring. Includes shock absorbers. Rear Axle Single-speed, 14,550 lb. capacity with oil lubricated rear wheel bearings. Ratio 4.300:1 Rear Wheels 19.5” x 6”, 6-hole disc, painted white Rear Tires 225/70R19.5G (14 ply) tubeless Radial, all season tread.
