Toyota KZ engine

The Toyota KZ is one of Toyota's small passenger diesel engines.

Toyota KZ engine
Overview
ManufacturerToyota
Layout
ConfigurationInline-4
Displacement3.0 L (2,982 cc)
Cylinder bore96 mm (3.78 in)
Piston stroke103 mm (4.06 in)
ValvetrainSOHC, 2 valves x cyl. ( bins82_ is 0q)
Compression ratio21.2:1
RPM range
Redline4400 rpm
Combustion
TurbochargerStandard
Fuel systemIndirect injection
Fuel typeDiesel
Cooling systemWater-cooled
Output
Power output125–145 hp (93–108 kW; 127–147 PS)
Torque output287–343 N⋅m (212–253 lb⋅ft)
Chronology
Successor1KD-FTV

1KZ-T

The 1KZ-T is an early version of the KZ series engine and used a fully mechanical injector pump, 3.0 L (2,982 cc), 4 cylinders, SOHC, 2 valve per cylinder turbo diesel engine. Maximum output is 125 hp (93 kW; 127 PS) at 3600 rpm and maximum torque is 287 N⋅m (212 lb⋅ft) at 2000 rpm.

Applications:

1KZ-TE

The 1KZ-TE is a 3.0 L (2,982 cc), 4 cylinder, SOHC, 2 valves per cylinder turbo diesel engine with indirect injection. Bore and stroke is 96 mm × 103 mm (3.78 in × 4.06 in), with a compression ratio of 21.2:1. Maximum output is 130 hp (97 kW; 132 PS) at 3600 rpm with maximum torque of 287 N⋅m (212 lb⋅ft) at 2000 rpm. Redline is 4400 rpm. First produced in 1993, it is still used in new model vehicles today. The 1KZ-TE also adopts the electronically controlled fuel injection, ETCS-i (Electronic throttle control System - intelligent) technology which is similar in basic construction to a modern gasoline injector, although using considerably higher injection pressures, it is an indirect injection engine which gives it a significant efficiency and fuel consumption penalty. It was replaced in most markets with the 1KD-FTV engine which uses common rail direct injection.

Used in KZN130 (Japan market), KZJ71W, KZJ78W, KZN160 and KZN165R (Australian & South African delivered model).

The intercooler equipped version of the engine increases the output of the engine 145 hp (108 kW; 147 PS) [Aust. 130 hp (97 kW; 132 PS)] at 3600 rpm and maximum torque of 343 N⋅m (253 lb⋅ft) at 2000 rpm.

Applications:

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References
  1. Hi-Lux Prado: 1KZ-TE Turbo Diesel Engines. Gregory's Automotive Publications. 2001. ISBN 978-0-85566-802-0.


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