Isuzu NQR
Manual transmission fluid capacity & service interval
Isuzu NQR manual transmission fluid capacity ranges from 3,2 to 5,3 liters. Service intervals include a check at 10000 km and a change at 40000 km or 24 months. The data covers 2 configurations.
The configuration chart below lists fill volumes and service intervals for each engine and trim variant.
| Type | Specifications |
|---|---|
| NQR 70 (1998-2007) |
|
| NQR 66 (1996-2007) |
|
Additional Notes
- The Isuzu NQR 66 manual transmission holds 3.2 liters of fluid, while the NQR 70 requires a noticeably larger 5.3 liters, reflecting the greater fluid volume demands of the heavier-duty transmission unit fitted to the larger variant.
- Both the NQR 66 and NQR 70 share a fluid check interval of every 10,000 km under normal use conditions, which serves as a routine monitoring point rather than a full fluid replacement.
- The change interval for both configurations is set at 40,000 km or 24 months under normal use conditions, meaning whichever threshold is reached first would govern when a fluid replacement is due.
- The NQR 66 specifications cover model years 1996-2007, while the NQR 70 specifications begin from 1998-2007, placing the two variants on overlapping but not identical production timelines within the same generation.
- A 5.3-liter fill capacity, as seen on the NQR 70, is a substantial volume for a manual transmission and is consistent with the fluid requirements of larger commercial truck gearboxes designed for heavier payloads.
- The 24-month time limit paired with the 40,000 km change interval on both variants means that vehicles operating in low-mileage service would still require a fluid change within two years regardless of distance traveled.