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Daihatsu K-series engine

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The Daihatsu K-series is a series of three unrelated engine families (KF, KR and K3/KJ), even though named with same initial "K" letter code. These engines were built in DOHC 12-valve inline three (KF & KR) and DOHC 16-valve inline four (K3/KJ) engine layout, ranging from 0.66 L, 1.0 L and up to 1.3 L. All engine families are available in naturally aspirated and turbocharged form.

KF

Introduced in November 2005, Daihatsu KF engine is a series of 658 cc inline-three cylinder DOHC 12 valve water-cooled engine, designed for kei cars. This engine replacing the old EF series engine.

Type Displacement Bore x Stroke Bore Pitch Cylinders Compression Power Torque Application
KF-DE 658 cc 63 x 70.4 mm 78 mm 3 11.5 50 PS (49 hp; 37 kW) at 6,900 rpm 60 N⋅m (6.1 kg⋅m; 44 lbf⋅ft) at 3,600 rpm
  • Not available
KF-VE (with DVVT) 50 PS (49 hp; 37 kW) at 5,700 rpm 64 N⋅m (6.5 kg⋅m; 47 lbf⋅ft) at 4,000 rpm
53 PS (52 hp; 39 kW) at 7,000 rpm
58 PS (57 hp; 43 kW) at 7,200 rpm 65 N⋅m (6.6 kg⋅m; 48 lbf⋅ft) at 4,000 rpm
52 PS (51 hp; 38 kW) at 7,200 rpm 60 N⋅m (6.1 kg⋅m; 44 lbf⋅ft) at 4,000 rpm
11.3 52 PS (51 hp; 38 kW) at 6,800 rpm 60 N⋅m (6.1 kg⋅m; 44 lbf⋅ft) at 5,200 rpm
46 PS (45 hp; 34 kW) at 5,700 rpm 60 N⋅m (6.1 kg⋅m; 44 lbf⋅ft) at 4,000 rpm
53 PS (52 hp; 39 kW) at 7,200 rpm
12.2 49 PS (48 hp; 36 kW) at 6,800 rpm 57 N⋅m (5.8 kg⋅m; 42 lbf⋅ft) at 5,200 rpm
KF-VE (CNG with DVVT) 12.8 45 PS (44 hp; 33 kW) at 7,200 rpm 64 N⋅m (6.5 kg⋅m; 47 lbf⋅ft) at 4,000 rpm

39 PS (38 hp; 29 kW) at 6,400 rpm

52 N⋅m (5.3 kg⋅m; 38 lbf⋅ft) at 4,000 rpm
KF-DET (turbocharged) 9.0 64 PS (63 hp; 47 kW) at 6,000 rpm 103 N⋅m (10.5 kg⋅m; 76 lbf⋅ft) at 3,000 rpm

64 PS (63 hp; 47 kW) at 5,700 rpm

103 N⋅m (10.5 kg⋅m; 76 lbf⋅ft) at 2,800 rpm

64 PS (63 hp; 47 kW) at 6,400 rpm

95 N⋅m (9.7 kg⋅m; 70 lbf⋅ft) at 4,000 rpm

64 PS (63 hp; 47 kW) at 6,400 rpm

95 N⋅m (9.7 kg⋅m; 70 lbf⋅ft) at 3,200 rpm
KF-VET (with DVVT) 9.5 64 PS (63 hp; 47 kW) at 6,000 rpm 103 N⋅m (10.5 kg⋅m; 76 lbf⋅ft) at 3,000 rpm


K3

See also: Toyota SZ engine

The Daihatsu K3 engine is a series of 1.3 L 4-cylinder DOHC 16-valve, water-cooled gasoline engine developed and produced by Daihatsu since April 2000, replacing Daihatsu HC engine. This engine also known as Toyota 2SZ-FE engine. The stroked up version of this engine is called 3SZ-VE engine (1.5 L) and stroked down version is called KJ-VET engine (1.0 L).

Type Displacement Bore x Stroke Bore Pitch Cylinders Compression Power Torque Application
K3-DE (without DVVT) 1297 cc 72 x 79.7 mm 78 mm 4 10.0 88 PS (87 hp; 65 kW) at 6,000 rpm 114 N⋅m (11.6 kg⋅m; 84 lbf⋅ft) at 3,600 rpm
K3-VE (with DVVT) 90 PS (89 hp; 66 kW) at 6,000 rpm 123 N⋅m (12.5 kg⋅m; 91 lbf⋅ft) at 4,400 rpm
92 PS (91 hp; 68 kW) at 6,000 rpm 119 N⋅m (12.1 kg⋅m; 88 lbf⋅ft) at 4,400 rpm
K3-VE2 (high revving version) 11.0 110 PS (110 hp; 81 kW) at 7,000 rpm 126 N⋅m (12.8 kg⋅m; 93 lbf⋅ft) at 4,400 rpm

102 PS (101 hp; 75 kW) at 7,000 rpm

120 N⋅m (12 kg⋅m; 89 lbf⋅ft) at 4,400 rpm
K3-VET (turbocharged version) 8.5 140 PS (140 hp; 100 kW) at 6,300 rpm 177 N⋅m (18.0 kg⋅m; 131 lbf⋅ft) at 3,200 rpm

KJ

The Daihatsu KJ-VET engine is a turbocharged 1.0 L 4-cylinder DOHC 16-valve, water-cooled gasoline engine developed and produced by Daihatsu. This short lived engine only available for Daihatsu Boon X4. This engine is a stroked down version of K3-VET engine.

Type Displacement Bore x Stroke Bore Pitch Cylinders Compression Power Torque Application
KJ-VET 939 cc 72 x 57.5 mm 78 mm 4 8.3 133 PS (131 hp; 98 kW) at 7,200 rpm 132 N⋅m (13.5 kg⋅m; 97 lbf⋅ft) at 3,600 rpm

KR

A 1.0 L inline 3-cylinder engine series designed and produced by Daihatsu.

Further information: Toyota KR engine
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