Daihatsu K-series engine
The Daihatsu K-series engine 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 |
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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 |
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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 |
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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 |
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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 |
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39 PS (38 hp; 29 kW) at 6,400 rpm |
52 N⋅m (5.3 kg⋅m; 38 lbf⋅ft) at 4,000 rpm |
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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
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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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KR
A 1.0 L inline 3-cylinder engine series designed and produced by Daihatsu.