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.
The engine first appeared in Daihatsu Charade G102/112 in 1987 and was discontinued in 2009. The displacement is 1.3 L (1295 cc), bore and stroke is 76.0 mm x 71.4 mm. Available with carburettor (HC-C/F) and fuel injection (HC-E/EJ). The compression ratio is between 9.0:1 to 9.5:1. Maximum power is between at 6000âÂÂ6500 rpm with of torque at 3200âÂÂ4500 rpm. This engine was later replaced by the K3 engine.
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First appeared in Daihatsu Applause in June 1989 and discontinued in 2008. The displacement was increased to 1.6 L (1589 cc) by increasing the stroke size of the HC engine to 87.6 mm but retaining the same 76.0 mm bore size. Available with carburettor (HD-C/F1) or fuel injection (HD-E/E1/EG/EP). The compression ratio is between 9.5:1 to 10.5:1. Maximum power is between at 5600âÂÂ6300 rpm with at 3200âÂÂ4800 rpm of torque.
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The HE-E/EG engine first appeared in the Daihatsu Charade (G203/213) in 1993 and was discontinued in 2007. The displacement was decreased to 1.5 L (1498 cc) by decreasing the stroke size of HD engine to 82.6 mm but retained the same 76.0 mm bore size. The compression ratio is 9.5:1. Maximum power is between at 5600âÂÂ6300 rpm with at 3200âÂÂ3600 rpm of torque. This engine was later replaced by the Toyota 3SZ-VE engine.
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