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
An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion ch ...
12-valve inline three (KF & KR) and DOHC 16-valve
inline four
A straight-four engine (also called an inline-four) is a four-cylinder piston engine where cylinders are arranged in a line along a common crankshaft.
The vast majority of automotive four-cylinder engines use a straight-four layout (with the e ...
(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
In an internal combustion engine, a turbocharger (often called a turbo) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake gas, forcing more air into the engine in order to pro ...
form.
KF
Introduced in November 2005, Daihatsu KF engine is a series of 658 cc
inline-three cylinder DOHC
An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion ch ...
12 valve
water-cooled
Cooling tower and water discharge of a nuclear power plant
Water cooling is a method of heat removal from components and industrial equipment. Evaporative cooling using water is often more efficient than air cooling. Water is inexpensive and n ...
engine, designed for
kei cars
Kei car (or , kanji: , "light automobile", ), known variously outside Japan as Japanese city car or Japanese microcar, is the Japanese vehicle category for the smallest highway-legal passenger cars with restricted dimensions and engine capacit ...
. This engine replacing the old
EF series engine.
K3
The Daihatsu K3 engine is a series of 1.3 L
4-cylinder
The engine configuration describes the fundamental operating principles by which internal combustion engines are categorized.
Piston engines are often categorized by their cylinder layout, valves and camshafts. Wankel engines are often categoriz ...
DOHC
An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion ch ...
16-valve,
water-cooled
Cooling tower and water discharge of a nuclear power plant
Water cooling is a method of heat removal from components and industrial equipment. Evaporative cooling using water is often more efficient than air cooling. Water is inexpensive and n ...
gasoline
Gasoline (; ) or petrol (; ) (see ) is a transparent, petroleum-derived flammable liquid that is used primarily as a fuel in most spark-ignited internal combustion engines (also known as petrol engines). It consists mostly of organic ...
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).
KJ
The Daihatsu KJ-VET engine is a
turbocharged
In an internal combustion engine, a turbocharger (often called a turbo) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake gas, forcing more air into the engine in order to pro ...
1.0 L
4-cylinder
The engine configuration describes the fundamental operating principles by which internal combustion engines are categorized.
Piston engines are often categorized by their cylinder layout, valves and camshafts. Wankel engines are often categoriz ...
DOHC
An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion ch ...
16-valve,
water-cooled
Cooling tower and water discharge of a nuclear power plant
Water cooling is a method of heat removal from components and industrial equipment. Evaporative cooling using water is often more efficient than air cooling. Water is inexpensive and n ...
gasoline
Gasoline (; ) or petrol (; ) (see ) is a transparent, petroleum-derived flammable liquid that is used primarily as a fuel in most spark-ignited internal combustion engines (also known as petrol engines). It consists mostly of organic ...
engine developed and produced by Daihatsu. This short lived engine only available for
Daihatsu Boon
The is a subcompact car produced by Japanese automaker Daihatsu since 2004, and also sold under Toyota brand as the . The Passo was once sold at '' Toyota Corolla Store'' Japanese dealerships until it was consolidated with other Toyota dealers ...
X4. This engine is a stroked down version of K3-VET engine.
KR
A 1.0 L
inline 3-cylinder engine series designed and produced by
Daihatsu
, commonly known as Daihatsu, is a Japanese automobile manufacturer and one of the oldest surviving Japanese internal combustion engine manufacturers. The company's headquarters are located in Ikeda, Osaka Prefecture.
Historically, Daihatsu was ...
.
{{Daihatsu
Daihatsu engines