Daihatsu H-series engine
The Daihatsu H-series engine is a range of four-stroke four-cylinder, internal combustion piston engines, designed by Daihatsu, which is a subsidiary of Toyota. These engines were produced from 1987 through 2009. Ranging from 1.3 L up to 1.6 L, these four-cylinder engines were built with lightness in mind, featuring a hollow crankshaft and camshaft, and the weight of a four-cylinder engine (1.3 L HC) is similar to the 1.0 L three-cylinder CB engines. The H-series engine has aluminium engine blocks and cylinder heads, timing belt driven heads, water-cooled engine cooling system, equipped with both carburetors (earlier models) and Multi-Point Fuel Injection (later models) and only available in 16-valve SOHC design.
| Daihatsu H engine | |
|---|---|
| Overview | |
| Manufacturer | Daihatsu |
| Production | 1987–2009 |
| Layout | |
| Configuration | Inline-4 cylinder |
| Displacement | 1.3 L (1,295 cc) 1.5 L (1,498 cc) 1.6 L (1,589 cc) |
| Cylinder bore | 76.0 mm (2.99 in) |
| Piston stroke | 71.4 mm (2.81 in) 82.6 mm (3.25 in) 87.6 mm (3.45 in) |
| Cylinder block material | Aluminium alloy |
| Cylinder head material | Aluminium alloy |
| Valvetrain | SOHC 16-valve |
| Compression ratio | 9.0–10.5:1 |
| RPM range | |
| Max. engine speed | 6000-6500rpm |
| Combustion | |
| Fuel system | Carburettor Fuel injection |
| Fuel type | Petrol |
| Cooling system | Water-cooled |
| Output | |
| Power output | 73–125 PS (72–123 hp; 54–92 kW) |
| Torque output | 95–144 N⋅m (9.7–14.7 kg⋅m; 70–106 lbf⋅ft) |
| Chronology | |
| Successor | Daihatsu K3 engine Toyota 3SZ engine |
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