Isuzu Commercial Vehicles

America's #1 Selling Low Cab Forward Truck Since 1986
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Isuzu N-Series Diesel Truck Specifications

Isuzu Model NPR ECO-MAX NPR-HD CREW CABNPR-HD  NPR-XD CREW CABNPR-XD  NQR CREW CABNQR NRR
At a Glance
GVWR/GCWR 12,000/18,000 lbs. 14,500/20,500 lbs. 14,500/20,500 lbs. 16,000/22,000 lbs. 16,000/22,000 lbs. 17,950/23,950 lbs. 17,950/23,950 lbs. 19,500/25,500 lbs.
Body/Payload Allowance 6,528-6,667 lbs. 8,378-8,564 lbs. 7,795-7,862 lbs. 9,292-9,490 lbs. 8,711-8,779 lbs. 10,902-11,424 lbs. 10,643-10,714 lbs. 12,294-12,838 lbs.
Front GAWR 5,360 lbs. 5,360 lbs. 5,360 lbs. 6,630 lbs. 6,630 lbs. 6,830 lbs. 6,830 lbs. 7,275 lbs.
Rear GAWR 8,840 lbs. 9,880 lbs. 9,880 lbs. 11,020 lbs. 11,020 lbs. 12,980 lbs. 12,980 lbs. 13,660 lbs.
Axles
Front Axle Capacity 6,830 lbs. 6,830 lbs. 6,830 lbs. 6,830 lbs. 6,830 lbs. 6,830 lbs. 6,830 lbs. 7,275 lbs.
Rear Axle Capacity 11,020 lbs. 11,020 lbs. 11,020 lbs. 11,020 lbs. 11,020 lbs. 14,550 lbs. 14,550 lbs. 14,550 lbs.
Ratio 5.125 4.555 4.555 4.77 4.77 5.125 5.125 5.571
Suspension
F/R Springs Tapered/Multi-Leaf Tapered/Multi-Leaf Tapered/Multi-Leaf Tapered/Multi-Leaf Tapered/Multi-Leaf Tapered/Multi-Leaf Tapered/Multi-Leaf Tapered/Multi-Leaf
Capacity 6,830/9,880 lbs. 6,830/9,880 lbs. 6,830/9,880 lbs. 6,830/9,880 lbs. 6,830/9,880 lbs. 8,440/14,550 lbs. 8,440/14,550 lbs. 8,440/14,550 lbs.
Frame
Section Modulus 6.07 in.3 7.20 in.3 11.89 in.3 7.20 in.3 11.89 in.3 7.20 in.3 11.89 in.3 7.20 in.3
Resistance Bending Moment 267,080 lbs.-ft./in. 316,800 lbs.-ft./in. 523,160 lbs.-ft./in. 316,800 lbs.-ft./in. 523,160 lbs.-ft./in. 316,800 lbs.-ft./in. 523,160 lbs.-ft./in. 316,800 lbs.-ft./in.
Brakes
Service Brakes Vacuum/Hydraulic with 4-Channel ABS Vacuum/Hydraulic with 4-Channel ABS Vacuum/Hydraulic with 4-Channel ABS Vacuum/Hydraulic with 4-Channel ABS Vacuum/Hydraulic with 4-Channel ABS Vacuum/Hydraulic with 4-Channel ABS Vacuum/Hydraulic with 4-Channel ABS Vacuum/Hydraulic with 4-Channel ABS
Front/Rear Disc/Drum Disc/Drum Disc/Drum Disc/Drum Disc/Drum Disc/Drum Disc/Drum Disc/Drum
Exhaust Brake Standard Standard Standard Standard Standard Standard Standard Standard
Engine & Transmission
Transmission Aisin A460 6-speed auto with double overdrive and lock-up 2nd-6th gears Aisin A465 6-speed auto with double overdrive and lock-up 2nd-6th gears Aisin A465 6-speed auto with double overdrive and lock-up 2nd-6th gears Aisin A465 6-speed auto with double overdrive and lock-up 2nd-6th gears Aisin A465 6-speed auto with double overdrive and lock-up 2nd-6th gears Aisin A465 6-speed auto with double overdrive and lock-up 2nd-6th gears Aisin A465 6-speed auto with double overdrive and lock-up 2nd-6th gears Aisin A465 6-speed auto with double overdrive and lock-up 2nd-6th gears
Engine Isuzu 4JJ1-TC turbocharged intercooled diesel Isuzu 4HK1-TC turbocharged intercooled diesel Isuzu 4HK1-TC turbocharged intercooled diesel Isuzu 4HK1-TC turbocharged intercooled diesel Isuzu 4HK1-TC turbocharged intercooled diesel Isuzu 4HK1-TC turbocharged intercooled diesel Isuzu 4HK1-TC turbocharged intercooled diesel Isuzu 4HK1-TC turbocharged intercooled diesel
Displacement 3.0 L (183 in.3) 5.2 L (317 in.3) 5.2 L (317 in.3) 5.2 L (317 in.3) 5.2 L (317 in.3) 5.2 L (317 in.3) 5.2 L (317 in.3) 5.2 L (317 in.3)
Engine Power 150 HP @ 2,800 rpm 215 HP @ 2,500 rpm 215 HP @ 2,500 rpm 215 HP @ 2,500 rpm 215 HP @ 2,500 rpm 215 HP @ 2,500 rpm 215 HP @ 2,500 rpm 215 HP @ 2,500 rpm
Engine Torque 282 lbs./ft. @ 1,600-2,800 rpm 452 lbs./ft. @ 1,850 rpm 452 lbs./ft. @ 1,850 rpm 452 lbs./ft. @ 1,850 rpm 452 lbs./ft. @ 1,850 rpm 452 lbs./ft. @ 1,850 rpm 452 lbs./ft. @ 1,850 rpm 452 lbs./ft. @ 1,850 rpm
Oil Level Indicator Dash-mounted oil level check switch and light Dash-mounted oil level check switch and light Dash-mounted oil level check switch and light Dash-mounted oil level check switch and light Dash-mounted oil level check switch and light Dash-mounted oil level check switch and light Dash-mounted oil level check switch and light Dash-mounted oil level check switch and light
Other
Limited Slip Differential Optional Optional Optional Optional Optional Optional Optional Optional
Alternator 110-amp 110-amp 110-amp 110-amp 110-amp 110-amp 110-amp 110-amp
Batteries 2 Maintenance-Free, 750-CCA 2 Maintenance-Free, 750-CCA 2 Maintenance-Free, 750-CCA 2 Maintenance-Free, 750-CCA 2 Maintenance-Free, 750-CCA 2 Maintenance-Free, 750-CCA 2 Maintenance-Free, 750-CCA 2 Maintenance-Free, 750-CCA
Tires 215/85R-16E (10-ply) 215/85R-16E (10-ply) 215/85R-16E (10-ply) 225/70R19.5F (12-ply) 225/70R19.5F (12-ply) 225/70R19.5F (12-ply) 225/70R19.5F (12-ply) 225/70R19.5F (12-ply)
Steering Integral Hydraulic Power Integral Hydraulic Power Integral Hydraulic Power Integral Hydraulic Power Integral Hydraulic Power Integral Hydraulic Power Integral Hydraulic Power Integral Hydraulic Power
Steering Column Tilt & Telescopic Tilt & Telescopic Tilt & Telescopic Tilt & Telescopic Tilt & Telescopic Tilt & Telescopic Tilt & Telescopic Tilt & Telescopic
Fuel
Standard Fuel Tank 25 Gal. in-rail 30 Gal. in-rail 30 Gal. in-rail 30 Gal. in-rail 30 Gal. in-rail 30 Gal. in-rail 30 Gal. in-rail 30 Gal. in-rail
Optional Fuel Tank N/A 33 Gal. 176 WB only N/A 33 Gal. 176 WB only N/A 33 Gal. 176 WB only N/A 33 Gal. 176 WB only
Fuel/Water Separator Dual fuel filter with dash-mounted indicator light. Dual fuel filter with dash-mounted indicator light. Dual fuel filter with dash-mounted indicator light. Dual fuel filter with dash-mounted indicator light. Dual fuel filter with dash-mounted indicator light. Dual fuel filter with dash-mounted indicator light. Dual fuel filter with dash-mounted indicator light. Dual fuel filter with dash-mounted indicator light.

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