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Mitsubishi 3A9 engine 
Summary
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 | |
| Manufacturer | MDC Power |
| Production | 2003–present |
| Layout | |
| Configuration | Naturally aspirated Straight-3 |
| Displacement | 1.0 L (999 cc) 1.1 L (1,124 cc) 1.2 L (1,193 cc) |
| Cylinder bore | 75 mm (2.95 in) |
| Piston stroke | 75.4 mm (2.97 in) 84.8 mm (3.34 in) 90 mm (3.54 in) |
| Cylinder block material | Aluminum |
| Cylinder head material | Aluminum |
| Valvetrain | DOHC 4 valves x cyl. with MIVEC |
| Compression ratio | 10.5:1 |
| Combustion | |
| Fuel system | Fuel injection |
| Fuel type | Unleaded regular gasoline, Gasohol E10, E20 |
| Cooling system | Water-cooled |
| Output | |
| Power output | 52–57 kW (71–77 PS; 70–76 bhp) |
| Torque output | 88–100 N⋅m (65–74 lb⋅ft) |
For engine family characteristics see 4A9 engine family.
Specifications edit
3A90 edit
| 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 edit
- 2012-2022 Mitsubishi Mirage
- 2013-2020 Mitsubishi Attrage
3A91 edit
Also known as the Mercedes-Benz M134 E11.
| 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 edit
- 2004-2012 Mitsubishi Colt
- 2004-2006 MCC Smart Forfour
3A92 edit
| 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 edit
- 2012-2019 Mitsubishi Mirage
- 2013 Mitsubishi Attrage
See also edit
References edit
- "Mitsubishi Motors Technical Review 2005", pp. 76–77, Mitsubishi Motors website
- MDC Power, official website
- Mitsubishi Mirage Specifications
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