Description
The Toyota 1KZ-TE is a 3.0-liter, 4-cylinder turbocharged diesel engine from Toyota’s KZ family. It is particularly known for its use in the Toyota Hilux Surf/4Runner, Hilux, Land Cruiser Prado and related 4WD vehicles. It uses electronic indirect fuel injection, a cast-iron block, aluminum cylinder head, SOHC 8-valve configuration and a Toyota CT12B turbocharger.
For an automatic 1KZ-TE package, the transmission most commonly associated with the 3.0-liter 4WD applications is the A343F 4-speed automatic, although some earlier Hilux/Surf applications use the A340F. The exact gearbox therefore needs to be confirmed from the transmission identification plate before purchasing.
| Gear | Ratio |
|---|---|
| 1st | 2.804:1 |
| 2nd | 1.531:1 |
| 3rd | 1.000:1 |
| 4th / Overdrive | 0.753:1 |
| Reverse | 2.393:1 |
| Specification | A343F |
|---|---|
| Type | 4-speed automatic |
| Drive | 4WD application |
| 1st | 2.804 |
| 2nd | 1.531 |
| 3rd | 1.000 |
| 4th/O/D | 0.753 |
| Reverse | 2.393 |
| Fluid capacity | Approximately 10.1 L in one Toyota application |
| Fluid | Toyota ATF specification varies by transmission/application |
| Torque converter | Yes |
| Electronic control | Yes |
Toyota 1KZ-TE 3.0L Turbo Diesel + Automatic
- Engine: 1KZ-TE
- Family: KZ
- Fuel: Diesel
- Displacement: 2,982 cc
- Cylinders: 4
- Layout: Inline
- Valves: 8
- Camshaft: SOHC
- Bore: 96 mm
- Stroke: 103 mm
- Compression: ~21.0–21.2:1
- Turbo: Toyota CT12B
- Injection: Electronic indirect injection
- Intercooler: Depending on version
- Power: approximately 130–147 PS
- Typical high-output rating: 96 kW / 130 PS @ 3,600 rpm
- Torque: up to approximately 343 Nm @ 2,000 rpm
- Redline: ~4,400 rpm
- Firing order: 1-3-4-2
- Automatic gearbox: A340F/A343F depending on application
- Transmission: 4-speed automatic
- A340F ratios: 2.804 / 1.531 / 1.000 / 0.705 / R 2.393
- A343F ratios: 2.804 / 1.531 / 1.000 / 0.753 / R 2.393
- Drive: 4WD versions available
- Typical vehicles: Hilux, Hilux Surf, 4Runner, Land Cruiser Prado
The most important point when purchasing is to identify the exact engine version and transmission code. A listing saying simply “1KZ-TE automatic” is incomplete because 1KZ-TE output varies by application and the automatic can be A340F or A343F.
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