OTOKAR
16 TONNES
22 TONNES
Isuzu GVW Upgrade and Chassis Modification
GVW upgrade for the Isuzu NPR 3D and NQR 3D with an additional axle and axle lift; chassis modification with standard and Long chassis options.
The NPR 3D is now 16 tonnes
With our additional axle and axle lift, the Isuzu NPR 3D and NQR 3D go from 12,500 kg to 16,000 kg.
For chassis modification, a Long option is available alongside the standard chassis: on the NPR 3D Long, the wheelbase increases from 3,385 mm to 3,815 mm and the maximum body length from 5,450 mm to 6,400 mm.
For higher tonnage, see our Isuzu TORA 21-tonne additional axle solution; for general information, see our GVW upgrade and chassis extension pages.
The Isuzu tonnage increase.
NPR 3D and NQR 3D: now 16 tonnes
Additional axle and axle lift for the Isuzu NPR 3D and NQR 3D: from 12,500 kg to 16,000 kg. Our additional axle uses the same bearings, hubs and calipers as the vehicle's drive axle.
TORA and TORA Long: now 21 tonnes
With the Isuzu TORA additional axle conversion, the gross vehicle weight becomes 21,000 kg. The front axle is rated at 5,500 kg and the rear axles at 10,900 kg and 9,000 kg.
Isuzu NPR 3D standard and Long chassis dimensions
| Specification | NPR 3D | NPR 3D Long |
|---|---|---|
| Dimensions (mm) | ||
| Wheelbase | 3,385 | 3,815 |
| Front overhang | 1,128 | 1,128 |
| Rear overhang (with body, max.) | 1,826 | 2,335 |
| Rear axle spacing | 1,001 | 1,001 |
| Start of body – end of bumper | 5,100 | 6,000 |
| Maximum length | 7,340 | 8,250 |
| Maximum width | 2,550 | 2,550 |
| Min. body length | 5,200 | 6,250 |
| Max. body length | 5,450 | 6,400 |
| Weights (kg) | ||
| Gross vehicle weight (GVW) | 15,000 | 15,000 |
| Kerb weight | 3,600 | 3,800 |
| Payload (carrying capacity) | 11,400 | 11,200 |
| Front axle capacity | 3,400 | 3,400 |
| 1st rear axle capacity | 6,400 | 6,400 |
| 2nd rear axle capacity | 6,000 | 6,400 |
Kerb weight: the weight including a 75 kg driver, with all fluids and a full fuel tank. The weighbridge tolerance permitted by the highways authority is not included. Figures are taken from our Isuzu catalogue.
Isuzu NPR 3D installations
The Isuzu GVW upgrade process.
Our processes are designed to interlock with the vehicle manufacturer's, which means maximum transparency and minimum lead time.
Market and Needs Analysis
We analyse the need against technology, market, regulatory and price criteria and define a realistic solution.
3D CAD Design
Design down to the smallest detail. Using 3D CAD speeds up the transition to series production and minimises design errors.
Risk Analysis
Sustainability, maintenance and after-sales considerations are built into the design, and risks are assessed rigorously.
Prototype and Road Testing
Our dedicated prototype team prepares the vehicle; durability and long-distance road tests are carried out with our GPS-linked test equipment.
Homologation
Tests are carried out with authorised technical services, the engineering documentation (project file) is prepared and an application for certification is submitted to TSE.
Delivery
The new configuration is programmed into the vehicle's ECU using our diagnostic equipment, and the vehicle is handed over.
Isuzu GVW upgrades: frequently asked questions
If you can't find the answer you're looking for here, write to us and our technical team will get back to you.
Ask usWith an additional axle and axle lift, the Isuzu NPR 3D and NQR 3D go from 12,500 kg to 16,000 kg.
On the NPR 3D Long, the wheelbase is 3,815 mm, the maximum length 8,250 mm and the maximum body length 6,400 mm. On the standard NPR 3D these figures are 3,385 mm, 7,340 mm and 5,450 mm respectively.
Tests are carried out with authorised technical services, the engineering documentation (project file) for the vehicle is prepared and an application for certification is submitted to TSE. All of these steps are carried out by authorised in-house engineers.
Let's raise the GVW of your Isuzu.
Tell us your model and chassis type, and we'll assess your GVW upgrade and chassis modification options.