Daihatsu K-series engine#K3
{{Short description|Car engine families}}
{{More sources needed|date=June 2018}}
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. The new KF weighs 47kg (103lbs) which is 25% less than the old EF which weighs 59kg (130lbs){{cite web |last1=DAIHATSU |first1=MOTOR CO., LTD. |title=Daihatsu Develops New 660cc Engine with Improved Environmental Performance, Power, and Quiet Operation Lightweight and compact: 25% reduction*1 in weight for a class*2 leading weight of 47kg |url=https://www.daihatsu.com/news/2005/05112201.html |website=daihatsu |publisher=DAIHATSU MOTOR CO., LTD. |access-date=31 January 2023}}
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.
| class="wikitable"
|+ !Type !Displacement !Bore x Stroke !Bore Pitch !Cylinders !Compression !Power !Torque !Application | |
| rowspan="1" |KF-DE
| rowspan="18" |658 cc | rowspan="18" |63 x 70.4 mm | rowspan="18" |78 mm | rowspan="18" |3 | rowspan="5" |11.5 |{{Convert|50|PS|hp kW | abbr=on}} at 6,900 rpm
| rowspan="1" |{{Convert|60|Nm|kg.m lbf.ft|abbr=on}} at 3,600 rpm |
|
| rowspan="8" |KF-VE (with DVVT)
|{{Convert|50|PS|hp kW | abbr=on}} at 5,700 rpm
| rowspan="2" |{{Convert|64|Nm|kg.m lbf.ft|abbr=on}} at 4,000 rpm | |
| {{Convert|53|PS|hp kW | abbr=on}} at 7,000 rpm
| |
| {{Convert|58|PS|hp kW | abbr=on}} at 7,200 rpm
|{{Convert|65|Nm|kg.m lbf.ft|abbr=on}} at 4,000 rpm |
|
| {{Convert|52|PS|hp kW | abbr=on}} at 7,200 rpm
|{{Convert|60|Nm|kg.m lbf.ft|abbr=on}} at 4,000 rpm | |
| rowspan="3" |11.3
|{{Convert|52|PS|hp kW | abbr=on}} at 6,800 rpm
|{{Convert|60|Nm|kg.m lbf.ft|abbr=on}} at 5,200 rpm |
|
| {{Convert|46|PS|hp kW | abbr=on}} at 5,700 rpm
| rowspan="2" |{{Convert|60|Nm|kg.m lbf.ft|abbr=on}} at 4,000 rpm | |
| {{Convert|53|PS|hp kW | abbr=on}} at 7,200 rpm
| |
| 12.2
|{{Convert|49|PS|hp kW | abbr=on}} at 6,800 rpm
|{{Convert|57|Nm|kg.m lbf.ft|abbr=on}} at 5,200 rpm | |
| rowspan="2" |KF-VE (CNG with DVVT)
| rowspan="2" |12.8 |{{Convert|45|PS|hp kW | abbr=on}} at 7,200 rpm
| rowspan="1" |{{Convert|64|Nm|kg.m lbf.ft|abbr=on}} at 4,000 rpm |
|
| rowspan="1"|
{{Convert|39|PS|hp kW | abbr=on}} at 6,400 rpm
| rowspan="1" |{{Convert|52|Nm|kg.m lbf.ft|abbr=on}} at 4,000 rpm |
|
| rowspan="4" |KF-DET (turbocharged)
| rowspan="4" |9.0 |{{Convert|64|PS|hp kW | abbr=on}} at 6,000 rpm
|{{Convert|103|Nm|kg.m lbf.ft|abbr=on}} at 3,000 rpm | |
| rowspan="1" |
{{Convert|64|PS|hp kW | abbr=on}} at 5,700 rpm
|{{Convert|103|Nm|kg.m lbf.ft|abbr=on}} at 2,800 rpm | |
| rowspan="1" |
{{Convert|64|PS|hp kW | abbr=on}} at 6,400 rpm
|{{Convert|95|Nm|kg.m lbf.ft|abbr=on}} at 4,000 rpm | |
| rowspan="1" |
{{Convert|64|PS|hp kW | abbr=on}} at 6,400 rpm
|{{Convert|95|Nm|kg.m lbf.ft|abbr=on}} at 3,200 rpm | |
| rowspan="4" |KF-VET (with DVVT)
| rowspan="4" |9.5 |{{Convert|64|PS|hp kW | abbr=on}} at 6,000 rpm
|{{Convert|103|Nm|kg.m lbf.ft|abbr=on}} 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).
| class="wikitable"
|+ !Type !Displacement !Bore x Stroke !Bore Pitch !Cylinders !Compression !Power !Torque !Application | |
| rowspan="1" |K3-DE (without DVVT)
| rowspan="9" |1297 cc | rowspan="9" |72 x 79.7 mm | rowspan="9" |78 mm | rowspan="9" |4 | rowspan="3" |10.0 |{{Convert|88|PS|hp kW | abbr=on}} at 6,000 rpm
|{{Convert|114|Nm|kg.m lbf.ft|abbr=on}} at 3,600 rpm |
|
| rowspan="2" |K3-VE (with DVVT)
| rowspan="1" |{{Convert|90|PS|hp kW | abbr=on}} at 6,000 rpm
|{{Convert|123|Nm|kg.m lbf.ft|abbr=on}} at 4,400 rpm |
|
| rowspan="1" |{{Convert|92|PS|hp kW | abbr=on}} at 6,000 rpm
|{{Convert|119|Nm|kg.m lbf.ft|abbr=on}} at 4,400 rpm | |
| rowspan="2" |K3-VE2 (high revving version)
| rowspan="2" |11.0 | rowspan="1" |{{Convert|110|PS|hp kW | abbr=on}} at 7,000 rpm
|{{Convert|126|Nm|kg.m lbf.ft|abbr=on}} at 4,400 rpm | rowspan="1" | |
| rowspan="1" |
{{Convert|102|PS|hp kW | abbr=on}} at 7,000 rpm
|{{Convert|120|Nm|kg.m lbf.ft|abbr=on}} at 4,400 rpm |
|
| rowspan="1" |K3-VET (turbocharged version)
| rowspan="1" |8.5 | rowspan="1" |{{Convert|140|PS|hp kW|abbr=on}} at 6,300 rpm |{{Convert|177|Nm|kg.m lbf.ft|abbr=on}} 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.
| class="wikitable"
|+ !Type !Displacement !Bore x Stroke !Bore Pitch !Cylinders !Compression !Power !Torque !Application | |
| rowspan="1" |KJ-VET
| rowspan="1" |939 cc | rowspan="1" |72 x 57.5 mm | rowspan="1" |78 mm | rowspan="1" |4 | rowspan="1" |8.3 |{{Convert|133|PS|hp kW | abbr=on}} at 7,200 rpm
|{{Convert|132|Nm|kg.m lbf.ft|abbr=on}} at 3,600 rpm |
|
KR
A 1.0 L inline 3-cylinder engine series designed and produced by Daihatsu.