Toyota U engine
| Toyota U engine | |
|---|---|
 | |
| Overview | |
| Manufacturer | Toyota |
| Production |
1961-1976 2011-present |
The Toyota U family was a series of flat-twin engines produced in the 1960s and 1970s. The family was extended in 2011 for the engine derived from the Subaru flat-four for the Toyota 86.
U
| U | |
|---|---|
| Overview | |
| Manufacturer | Toyota |
| Production | 1961-1966 |
| Combustion chamber | |
| Configuration | Flat-2 air-cooled |
| Displacement | 697 cc (43 cu in) |
| Cylinder bore | 76 mm (2.992 in) |
| Piston stroke | 73 mm (2.874 in) |
| Output | |
| Power output | 28–32 PS (21–24 kW)[1] |
| Torque output | 5.4 kg·m (53.0 N·m) |
The 697 cc U was produced from 1961 through 1966. The power was increased from 28 to 32 PS (21 to 24 kW; 28 to 32 hp) from engine number U-184170 onwards. It was exclusively installed in the Toyota Publica family of vehicles.
2U
| 2U | |
|---|---|
| Overview | |
| Manufacturer | Toyota |
| Production | 1965-1976 |
| Combustion chamber | |
| Configuration | Flat-2 air-cooled |
| Displacement | 790 cc (48 cu in) |
| Cylinder bore | 83 mm (3.268 in) |
| Piston stroke | 73 mm (2.874 in) |
The 790 cc 2U was produced from 1965 through 1969, while the similar 2U-B was produced from 1966 through 1976. Output for the 2U-B when fitted to the Publica is 49 PS (36 kW; 48 hp) at 5,400 rpm. When installed in the Toyota MiniAce (UP100) minitruck and bus series, the engine only produces 36 PS (26 kW)[2] at 4,600 rpm. This version has an 8.2:1 compression ratio.[3] The 2U-C used in some models of the Publica 20 series produced 40 PS (29 kW; 39 hp) at 5,000 rpm.[4] It was also installed in the Publica-derived sports car, called the Toyota Sports 800.
4U
| 4U | |
|---|---|
| Overview | |
| Manufacturer | Subaru |
| Production | 2012-present |
| Combustion chamber | |
| Configuration | Flat-4 water-cooled |
| Displacement | 1,998 cc (122 cu in) |
| Cylinder bore | 86 mm (3.386 in) |
| Piston stroke | 86 mm (3.386 in) |
| Output | |
| Power output | 203 PS (149 kW; 200 hp) |
| Torque output | 205 N·m (151 lb·ft) |
Appearing in the Toyota 86 (also known as the Toyota GT 86 in Europe, Scion FR-S in the USA and Subaru BRZ), the 4U-GSE is a boxer type engine with four cylinders and a bore and stroke of 86 mm. The engine is a Subaru designed and built flat-four engine, the FA20, with a Toyota engine code. The engine is built at Subaru's facility in Ota Gunma. It features Toyota's D4-S direct and port injection systems, with a maximum power rating of 200 PS (147 kW; 197 hp) at 7000 rpm and a maximum torque rating of 205 N·m (151 lb·ft) at 6600 rpm. The compression ratio is 12.5:1.[5]
See also
References
- ↑ Publica parts catalogue. Toyota.
- ↑ Toyota Commercial Cars (Catalog), Toyota, 1969, p. 6
- ↑ News from Toyota (PDF) (Press Release) (in Japanese), Toyota Motor Co., 1967-11-06
- ↑ Publica models UP20,20-F,20-KS,20S parts catalogue. Toyota. 1969. No.53114-69.
- ↑ "86 スペック" [86 Specs]. Toyota Japan. Retrieved 2012-03-30.
External links
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Wikimedia Commons has media related to Toyota U engines. |
