The Jatco JR403E or RG4R01A 4-speed automatic transmission was produced since 1992 and was used in large Nissan SUVs and Caravan minivans until 2012. This transmission was designed for engines with torque up to 350 Nm.
Specifications
| Type | automatic transmission |
| Number of gears | 4 |
| Type of drive | rear / all wheel |
| Engine volume, l | up to 3.0 |
| Torque output, Nm | up to 350 |
| Recommended oil | Nissan AT-Matic J Fluid |
| Oil capacity, liter | 8.2 |
| Replacing the oil | every 85 000 km |
| Replacing the filter | every 85 000 km |
| Gearbox lifespan, km | ~300 000 km |
Gear ratios Jatco JR403E
Using the example of a 2004 Nissan Terrano with a 3.0-liter diesel engine:
| Main | 4.080 |
| 1st | 2.784 |
| 2nd | 1.544 |
| 3rd | 1.000 |
| 4th | 0.694 |
| Reverse | 2.272 |
Using
The transmission was installed on:
- Nissan Terrano 2 (R20) in 1993 – 2006;
- Nissan Pathfinder 2 (R50) in 1996 – 2004;
- Nissan Caravan 4 (E25) in 2001 – 2012;
- Infiniti QX4 1 (R50) in 1997 – 2003.
Disadvantages of the Jatco JR403E gearbox
- One of the most reliable transmissions fails only due to natural wear and tear;
- Routine repairs here include replacing the oil, gaskets, seals, and bushings;
- At very high mileage, the clutches or brake bands usually wear out.
