Description
The Toyota 1GR-FE is a 3,956 cc (4.0-liter) naturally aspirated petrol V6 engine from Toyota’s GR engine family. It is a 24-valve DOHC engine using VVT-i, with an aluminum block and cylinder heads. Toyota has used it extensively in SUVs, pickups and off-road vehicles
The 1GR-FE is a Toyota GR-series V6 designed primarily for longitudinal installation in rear-wheel-drive and four-wheel-drive vehicles.
It was introduced in the early 2000s and became one of Toyota’s major 4.0L petrol engines for SUVs, pickups and commercial/off-road vehicles.
It is particularly known for:
- Strong low- and mid-range torque
- Simple naturally aspirated design
- Aluminum construction
- Timing-chain drive
- Electronic fuel injection
- VVT-i technology
- Good durability in demanding applications
| Feature | 1GR-FE | 2GR-FE |
|---|---|---|
| Displacement | 3,956 cc | ~3,456 cc |
| Nominal size | 4.0L | 3.5L |
| Cylinders | V6 | V6 |
| Valves | 24 | 24 |
| DOHC | Yes | Yes |
| VVT-i | Yes | Yes |
| Typical use | SUVs/pickups/4WD | Cars/SUVs |
| Longitudinal applications | Common | Less common |
The 1GR-FE was paired with different automatic transmissions depending on the vehicle.
For example, Toyota used a:
5-speed automatic
with certain 1GR-FE applications.
Toyota’s Land Cruiser Prado documentation specifically identifies the 1GR-FE with a 5 Super ECT Sequential Shiftmatic transmission.
Older Toyota applications may use different automatic transmissions.
Therefore, if you’re purchasing a 1GR-FE engine + automatic gearbox, you should identify the exact transmission code rather than simply asking for a “1GR gearbox.”
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