Mitsubishi ME21/24 engine
| ME21/24 | |
|---|---|
 ME24D engine in a Mitsubishi 360 (LT25) | |
| Overview | |
| Manufacturer | Mitsubishi Motors |
| Also called | "Yellow" engine |
| Production | 1961–72 |
| Layout | |
| Configuration | air-cooled two-stroke I2 |
| Displacement | 359 cc |
| Cylinder bore | 62.0 mm |
| Piston stroke | 59.6 mm |
| Chronology | |
| Predecessor | ME20 engines. |
| Successor | Mitsubishi 2G1 engine |
The ME21/24 engine was Shin Mitsubishi Heavy-Industries' (one of the three divisions of
General
The naming of Mitsubishi engines after the dissolution of the Zaibatsu reflected which factory they were built in. M stood for the Mizushima plant, E for engine, and 21 for being the 21st engine development by Mizushima, thus "ME21". When the 2G10 engine (a water-cooled version of the ME24) was introduced in late 1968, Mitsubishi's new unified naming convention had taken effect and thus its very different name.
The ME21 was first used in the
ME21
The 359 cc twin cylinder
ME24
A lightly modified ME21 introduced in November 1964, featuring an "Auto Mix" system which made away with the need for pre-mixed gasoline/oil. It also gained one extra horsepower. In May 1967 the 21 PS reed valve ME24D was introduced. Later iterations of the ME24 were used in the base models of the second generation Minica and Minicab until replaced by a detuned version of the "Red" 2G10 engine in late 1972. The ME24E actually soldiered on in the LT30V van version of the first generation until 1976, as this was not updated alongside its truck siblings. Along with assorted other Mitsubishi parts, a 21 PS (15 kW) ME24 engine was also used by Hope Motor Company for their tiny ON360 off-roader, the predecessor to the Suzuki Jimny.
Specifications
| ・ | ME21/21A[2] | ME24[3] | ME24D[4] | ME24E[5] | ME24F[6] |
|---|---|---|---|---|---|
| Engine type | two-stroke I2
|
two-stroke I2
| |||
| Displacement | 359 cc | ||||
| Bore x stroke | 62.0 x 59.6 mm | ||||
| Fuel type | Pre-mix | "Auto Mix" oil and gasoline | |||
| Peak power | 17 PS (13 kW) | 18 PS (13 kW) | 21 PS (15 kW) | 26 PS (19 kW) | 30 PS (22 kW) |
| at rpm | 4800 rpm | 5500 rpm | 6000 rpm | ||
| Peak torque | 27.5 N⋅m (20 lb⋅ft) | 30.4 N⋅m (22 lb⋅ft) | 31.4 N⋅m (23 lb⋅ft) | 35.3 N⋅m (26 lb⋅ft) | 36.3 N⋅m (27 lb⋅ft) |
| at rpm | 3500 rpm | 3000 rpm | 3500 rpm | 4500 rpm | 5000 rpm |
| Compression | 8.2:1 | 7.8:1 | 8.0:1 | ||
| Applications | 61.04-64.11 Mitsubishi 360, 62.10-64.11 Mitsubishi Minica | 64.11-67.05 Mitsubishi 360/Minica | 66.08-71.05 Mitsubishi Minicab, 67.05-69.07 360/Minica, 68.04-? HopeStar ON360 | 69.07-70.10 Minica A100, 69.07-72.10 Minica Van A100V, ?? Minica Pick, ??-76.03 Mitsubishi Minicab LT30 | 70.10-72.10 Minica A100, 71.05-72.09 Minicab EL, 72.10-?? Mitsubishi Minicab EL Van Super Deluxe LT30 |
Applications
- 1961-71 Mitsubishi 360/Minica Pick
- 1962-69 Mitsubishi Minica
- 1968-? HopeStar ON360
- 1969-72 Mitsubishi Minica A100/100V
- 1966-71 Mitsubishi Minicab LT30
- 1968-76 Mitsubishi Minicab LT30V
- 1971-72 Mitsubishi Minicab EL (T130)
See also
- List of Mitsubishi engines
References
- 360cc: Light Commercial Truck 1950-1975 (360cc 軽商用貨物自動車 1950-1975). Tokyo: Yaesu Publishing. 2009. pp. 10–11, 83–87. ISBN 978-4-86144-139-4.
- 360cc: Nippon Kei Car Memorial 1950-1975 (360cc 軽自動車 Memorial 1950-1975). Tokyo: Yaesu Publishing. 2007. ISBN 978-4-86144-083-0.
- "Кιηοκο（三菱360 諸元）". WEB Kinoko. Archived from the original on 2010-01-13.
- World Cars 1972. Automobile Club of Italy/Herald Books, NY: 1972. p. 362-363, ISBN 0-910714-04-5
- ^ Light Commercial Truck 1950-1975, p. 84-87.
- ^ Nippon Kei Car Memorial, p. 60, 60s Car Archive, p. 21.
- ^ Nippon Kei Car Memorial, p. 62, Кιηοκο（三菱360 諸元）, http://www2.plala.or.jp/Kinoko/cars/LT/spec.html
- ^ Nippon Kei Car Memorial, p. 66, Light Commercial, p. 86-87.
- ^ Nippon Kei Car Memorial, p. 72, Light Commercial, p. 87.
- ^ Nippon Kei Car Memorial, p. 81, World Cars 1972, 362-363, Light Commercial, p. 86-87.