
Isuzu N-Series · NPS81H
Isuzu NPS81H 4x4
Where the tarmac ends

A genuine 4x4 truck chassis rated at 7,500 kg GVW with 39% gradeability — the highest in the N-Series — for sites, quarries, boreholes and county roads that defeat a 4x2. Same 4,778 cc engine, raised ride height, all-wheel traction.
- GVW
- 7,500 kg
- Gradeability
- 39 %
- Engine
- 4,778 cc
- Drive
- 4x4
Deciding between sizes? Compare with the NQR81K — we hide everything they share.
We are not publishing a price for this model. Body, specification and finance structure move it too far for a single figure to be useful — we quote against your actual duty cycle instead. Customer support line 0800-720-797.
Built to your work
Versatile applications
The NPS81H is supplied for bodying. These are the configurations Kenyan operators specify most often — tell us the duty cycle and we will quote the build.
Construction sites
Mining and quarrying
County works
NGO and field operations
Body options
- Cab chassis
- Dropside
- Tipper
- Water bowser
- Fire tender
- Ambulance
Specifications
NPS81H technical data
Transcribed from published Isuzu documentation — each table names the document its figures came from. Confirm the final specification of your build with your sales consultant before ordering — body mass reduces available payload.
Engine
| Axle Layout | 4x4 |
|---|---|
| Rear Tyre | Dual |
| Engine Model | 4HL1-TCS |
| Type | Diesel 4-cylinder, common rail turbocharged with intercooler, Euro 4 |
| Displacement (cc) | 4,778 |
| Max Output hp (kW) @ rpm | 150 (114) @ 2,600 |
| Max Torque Nm (kgm) @ rpm | 402 (41) @ 1,500–2,600 |
| Pre-Air Cleaner & High Air Intake Pipe | Standard |
| Fuel Water Sedimentors | Standard |
| Heavy Duty Radiator | Standard |
| Emission | Euro IV |
Clutch & transmission
| Clutch Type | Single dry plate |
|---|---|
| Diameter (mm/inch) | 325/13" |
| Clutch Operation | Hydraulic control (self-adjusting clutch) |
| Transmission Make / Model | MYY-5T |
| LSD | Standard |
Wheels, tyres & fuel
| Tubeless Tyre | Standard |
|---|---|
| Tyre Size | 8.5R17.5 |
| Rim Size | 17.5x6 |
| Fuel Tank Capacity (litres) | 100 |
| Fuel Tank Lock | Standard |
Axles & electrical
| Front Axle — Gross Allowable Weight (kg) | 3,100 |
|---|---|
| Rear Axle — Gross Allowable Weight (kg) | 6,600 |
| Final Drive Ratio (:1) | 5.571 |
| Battery | 12V — NS70x2 |
| Alternator | 24V — 80A |
Dimensions (mm)
| OL — Overall Length | 5,985 |
|---|---|
| OW — Overall Width | 2,040 |
| OH — Overall Height | 2,455 |
| WB — Wheelbase | 3,395 |
| FOH — Front Overhang | 1,110 |
| ROH — Rear Overhang | 1,510 |
| BW — Rear Axle Width | 2,125 |
| FT — Front Track | 1,680 |
| RT — Rear Track | 1,650 |
| EH — Chassis Rear End Height | 770 |
| HH — Rear Ground Clearance | 210 |
| CWF — Front Chassis Width | 850 |
| CWR — Rear Chassis Width | 850 |
| CE — Cab to Chassis End | 4,300 |
Weight, gradeability & fleet management
| Gross Vehicle Weight (kg) | 7,500 |
|---|---|
| Front Axle Weight (kg) | 1,880 |
| Rear Axle Weight (kg) | 1,030 |
| Cab Chassis Mass (kg) | 2,910 |
| Gradeability (%) | 39 |
| FMS System | Equipped |
Operating economy
| Average Fuel Consumption (km/L) | 6.1 |
|---|
Source: isuzu-7th-gen-product-training.md
Ownership and maintenance
| Warranty | 2 years or 100,000 km, whichever comes first |
|---|
Source: isuzu-7th-gen-product-training.md
Specification source: isuzu-trucks-kenya-specifications.md. If a figure here differs from your brochure, tell us and we will reconcile it against the manufacturer document rather than quietly changing the page.
Where to see it
Available at every TMD branch
Stock varies by location. Book ahead and we will have the model ready when you arrive.
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