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Revision as of 10:10, 5 July 2012

Reciprocating internal combustion engine
Toyota U engine
Overview
ManufacturerToyota
Production1961-1976
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

Reciprocating internal combustion engine
U
Overview
ManufacturerToyota
Production1961-1966
Layout
ConfigurationFlat-2 air-cooled
Displacement697 cc (43 cu in)
Cylinder bore76 mm (2.992 in)
Piston stroke73 mm (2.874 in)
Output
Power output28–32 PS (21–24 kW)
Torque output5.4 kg⋅m (53.0 N⋅m)

The 697 cc U was produced from 1961 through 1966. The power was increased from 28 PS to 32 PS from engine number U-184170 onwards. It was exclusively installed in the Toyota Publica family of vehicles.

2U

Reciprocating internal combustion engine
2U
Overview
ManufacturerToyota
Production1965-1969
Layout
ConfigurationFlat-2 air-cooled
Displacement790 cc (48 cu in)
Cylinder bore83 mm (3.268 in)
Piston stroke73 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 hp (37 kW) at 5,400 rpm. When installed in the Toyota MiniAce (UP100) minitruck and bus series, the engine only produces 36 PS (26 kW). The 2U-C used in some models of the Publica 20 series produced 40 PS (29 kW) at 5,000 rpm. It was also installed in the Publica-derived sports car, called the Toyota Sports 800.

4U

Reciprocating internal combustion engine
4U
Overview
ManufacturerSubaru
Production2012-present
Layout
ConfigurationFlat-4 water-cooled
Displacement1,998 cc (122 cu in)
Cylinder bore86 mm (3.386 in)
Piston stroke86 mm (3.386 in)
Output
Power output200 PS (147 kW; 197 hp)
Torque output205 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 4 cylinders and a bore and stroke of 86mm. The basic engine was derived from Subaru's flat-4 engine, the FA20. It features Toyota's D4-S direct and port injection systems, with a maximum power rating of 200 PS (147 kW; 197 hp) at 7,000 RPM and a maximum torque rating of 205 N⋅m (151 lb⋅ft) at 6,600 rpm.

See also

References

  1. Publica parts catalogue. Toyota.
  2. Toyota Commercial Cars (Catalog), Toyota, 1969, p. 6
  3. Publica models UP20,20-F,20-KS,20S parts catalogue. Toyota. 1969. No.53114-69.
  4. "86 スペック". Toyota Japan. Retrieved 2012-03-30. {{cite web}}: Unknown parameter |trans_title= ignored (|trans-title= suggested) (help)

External links


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