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The Mitsubishi 3A9 engine is a range of all-alloy three cylinder engines from Mitsubishi Motors that were jointly developed with 4A9 engine family. They were introduced in the 2003 version of their Mitsubishi Colt supermini, and built by DaimlerChrysler-owned MDC Power in Germany (previously a joint venture).

Mitsubishi 3A9 engine
Mitsubishi 3A90 1.0 Mivec Engine (2013 Spacestar)
Overview
ManufacturerMDC Power
Production2003–present
Layout
ConfigurationNaturally aspirated Straight-3
Displacement1.0 L (999 cc)
1.1 L (1,124 cc)
1.2 L (1,193 cc)
Cylinder bore75 mm (2.95 in)
Piston stroke75.4 mm (2.97 in)
84.8 mm (3.34 in)
90 mm (3.54 in)
Block materialAluminum
Head materialAluminum
ValvetrainDOHC 4 valves x cyl. with MIVEC
Compression ratio10.5:1
Combustion
Fuel systemFuel injection
Fuel typeUnleaded regular gasoline, Gasohol E10, E20
Cooling systemWater-cooled
Output
Power output52–57 kW (71–77 PS; 70–76 bhp)
Torque output88–100 N⋅m (65–74 lb⋅ft)

For engine family characteristics see 4A9 engine family.


Specifications



3A90


Displacement 1.0 L (999 cc)
Bore pitch 83 mm (3.27 in)
Bore x stroke 75 mm × 75.4 mm (2.95 in × 2.97 in)
Peak power 52 kW (71 PS; 70 hp) at 6,000 rpm
Peak torque 88 N⋅m (65 lb⋅ft) at 5,000 rpm
Notes MIVEC

Applications



3A91


Displacement 1.1 L (1,124 cc)
Bore pitch 83 mm (3.27 in)
Bore x stroke 75 mm × 84.8 mm (2.95 in × 3.34 in)
Peak power 55 kW (75 PS; 74 hp) at 6,000 rpm
Peak torque 100 N⋅m (74 lb⋅ft) at 3,500 rpm
Notes -

Applications



3A92


Displacement 1.2 L (1,193 cc)
Bore pitch 83 mm (3.27 in)
Bore x stroke 75 mm × 90 mm (2.95 in × 3.54 in)
Peak power 57 kW (77 PS; 76 hp) at 6,000 rpm
Peak torque 100 N⋅m (74 lb⋅ft) at 4,000 rpm
Notes MIVEC, gasohol E10, E20

Applications



See also



References



На других языках


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Il nome Mitsubishi 3A9 identifica una famiglia di motori a combustione interna prodotto dal 2003 in poi dalla casa automobilistica giapponese Mitsubishi in collaborazione con il colosso tedesco DaimlerChrysler, presso il quale questo motore era noto con la sigla M134.



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