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Ford F-450 and F-550 Crew Cab:
- Ford F-450 and F-550 Super Duty are the largest volume sellers of crew cab trucks in class 4 and 5
- Ford F-450 crew cab (16,000 lb. GVWR) competes against the NPR-HD Crew Cab
- Ford F-550 crew cab (17,950 lb. GVWR) competes against the NQR Crew Cab
- Ford F-Series Super Duty trucks use a pickup truck-based conventional cab
- 4WD available on F-450/F-550
- Standard engine in the Ford F-450/F-550 Crew Cab is a 6.8L V10 gasoline engine
- Optional engine in the Ford F-450/F-550 Crew Cab is a 6.4L V8 diesel engine
NPR-HD Crew Cab Advantages Over Ford F-450/F-550:
- Longer available cab-to-axle dimensions for wheelbase length (88.5 in and 114.5 in. CA vs. 60 in. and 84 in. CA.) provides greater load capacity
- Accommodate bodies to 16 ft. in length (only to 12 ft. on F-450/F-550 Super Duty)
- Higher front-axle capacity contributes to long-term durability (6830 lb. vs. 6000 lb.)
- Tighter turning diameter (curb-to-curb) for comparable cab-to-axle ratio, results in dramatically better maneuverability (45.3 ft. turning diameter for 84 in. CA on N-series vs. 57.8 ft. for 80 in. CA)
- Large, retractable West Coaststyle mirrors contribute to driver vision (small, collapsible, exterior mount mirrors on F-450/F-550 Super Duty)
- Wider door opening for easy entry and exit (85 degree vs. 60 degree)
- Standard tilt and telescopic steering column contributes to driver comfort (optional tilt steering wheel on F-450/F-550 Super Duty)
- Durable tricot breathable woven fabric seat material is comfortable and long lasting (vinyl standard, cloth optional on F-450/F-550 Super Duty)
- Higher frame yield strength contributes to long-term durability (44,000 psi vs. 36,000 psi)
- Exhaust brake adds braking power and contributes to longer brake life (not available on F-450 Super Duty)
- Greater visibility with larger windshield, larger side windows, larger side mirrors and lower dash to improve driver vision (Front sight line to ground is significantly shorter: 8.5 ft. for NPR HD vs. 23.8 ft. for Ford F-450/F-550 Super Duty Crew Cab)
- 6-speed Aisin automatic vs. Ford 5-speed automatic provides wider range of gears for performance and fuel efficiency
- Standard cruise control, power windows and power locks. Optional on Ford F-Series
- Fold-down passenger's seat, center seat with tray standard, for convenience (not available on F-450/F-550 Super Duty)
- Seven passenger seating adds to crew comfort and usefulness (F-450/F-550 only has room for six)
- Standard entry steps for easy entry and exit (F-450/F-550 has no standard front or rear-seat passenger steps. Door sill is 27.5 in. from ground)
- Shorter overall length for same body length reduces parking space requirements (240.5 in. OL vs. 285.1 in. OL)
- Longer diesel engine warranty contributes to lower operating costs (3 years/unlimited miles vs. 3 years/36,000 miles full coverage and up to 5 years/100,000 miles with a deductible charge)
- Standard diesel engine adds value to base price (optional on Ford F-450/F-550 Super Duty)
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Isuzu NPR HD/NQR Crew Cab |
Ford F-450/F-550 Crew Cab |
| GVWR |
14,500/17,950 lbs. |
16,000/17,950 lbs. |
| Engine type (gas) |
NA |
SOHC V10 |
| Displacement (gas) |
NA |
6.8L |
| HP, gas |
NA |
362 @ 4750 |
| Torque, gas |
NA |
457 @ 3250 |
| HP, diesel |
205 @ 2400 |
325 @ 3000 |
| Torque, diesel |
441 @ 1850 |
600 @ 2000 |
| Engine type, diesel |
SOHC I-4 |
OHV V8 |
| Displacement, diesel |
5.2L |
6.4L |
| Clutch, in. |
NA |
11.9 |
| Transmission, gas |
NA |
6ODM/5ODA Ford |
| Transmission, diesel |
6ODA Aisin |
6ODM/5ODA Ford |
| Alternator, amp (gas) |
110 |
130 |
| Steering |
18.8-20.9:1 power |
20.3:1 power |
| Front axle, lb. |
6,830 |
6,000 |
| Front springs, lb. |
8,440 taperleaf |
5,600 coil |
| Rear axle, lb. |
11,020/14,550 |
11,000/13,500 |
| Rear springs, lb. |
9,880/14,550 multileaf |
11,000/13,500 multileaf |
| Wheels |
16/19.5 x 6 in. 6-bolt |
19.5 x 6 in. 10-bolt |
| Tires |
215/85R-16E, 225/70R-19.5F |
225/70R-19.5F |
| Brakes, front |
11.5/14.3 in. disc |
14.5 in. disc |
| Brakes, rear |
12.6 x 3.94/4.72 in. drum |
15.3 in. disc |
| Frame, psi |
44,000 |
36,000 |
| Frame width, in |
33.5 |
34.0 |
| Frame section modulus |
11.89 cu. in. |
10.1 cu. in. |
| Frame RBM |
523,160 |
363,600 |
| Battery, CCA (gas) |
2x750 |
2x750 (1x750) |
| Fuel tank, gal. |
30 in-rail |
40 in-rail |
| Seating, front |
Driver & 2 pass. |
3-pass. bench |
| Seating, rear |
4-pass. bench |
3-pass. bench |
| Mirrors, in. |
6x16 |
7x8.5 |
| WB/CA (effective) |
150:83.5/84.9
176: 109.5/110.9 |
176:60
200:84 |
WB/Turning Diameter
(curb-to-curb, ft.) |
150/45.3
176/51.9 |
176/51.5
200/57.8 |
| WB/Body lengths |
150/12
176/16 |
176/8, 9
200/8-12 |
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Isuzu NPR HD/NQR Crew Cab |
Ford F-450/F-550 Crew Cab |
| Drop-design windows |
Standard |
Not Available |
| Exhaust brake |
Standard |
Standard |
| Tilt/telescopic steering column |
Standard |
Optional Tilt |
| Tricot fabric |
Standard |
Vinyl/Cloth |
| Folding center seat |
Standard |
Not Available |
| Daytime running lamps |
Standard |
Optional |
| Rear entry step |
Standard |
Not Available |
| Bumper steps |
Standard |
Not Available |
| Cornering lamps |
Standard |
Not Available |
| Cruise control |
Standard |
Optional |
| PTO prep. |
Standard |
Optional |
| Power windows |
Standard |
Optional |
| Power door locks |
Standard |
Optional |
| Convex mirrors |
Standard |
Standard |
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Isuzu NPR HD/NQR Crew Cab |
Ford F-450/F-550 Crew Cab |
| Engine block heater |
Optional |
Optional |
| Engine oil pan heater |
Optional |
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| Air conditioning |
Optional |
Optional |
| AM/FM/CD |
Optional |
Optional |
| Rear heater |
Optional |
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| Side mounted fuel tank |
Optional (33 gal.) |
|
| PTO switch |
Optional |
|
| Engine protection system |
Optional (diesel) |
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| Engine hour meter |
Optional |
|
| Backup alarm |
Optional |
|
| Chrome wheel sim. |
Optional |
|
| Hour meter |
Optional |
|
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Isuzu NPR HD/NQR Crew Cab |
Ford F-450/F-550 Crew Cab |
| Base warranty |
36 months/unlimited mileage |
36 months/36,000 miles |
| Engine warranty |
36 months/unlimited mileage |
36 months/36,000 miles |
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