Toyota N engine

Toyota N engine
Overview
ManufacturerToyota Motor Corporation
Production1986–1999
Layout
ConfigurationInline-four
Displacement1.5 L (1,453 cc)
ValvetrainSOHC 2 valves x cyl.
Combustion
Fuel systemIndirect injection
Fuel typeDiesel
Cooling systemWater-cooled
Output
Power output54–66 hp (40–49 kW; 55–67 PS)
Torque output9.1–14.0 kg⋅m (89–137 N⋅m; 66–101 lb⋅ft)
Chronology
SuccessorToyota ND engine

The Toyota N engine is a series of diesel engines manufactured by Toyota from 1986 to 1999. The N series comprises small displacement, inline-four diesel units designed for compact passenger vehicles.

1N

The 1N is a 1.5 L (1,500 cc) inline-four diesel engine. It utilizes a single overhead camshaft (SOHC) configuration with two valves per cylinder.

The engine's internal dimensions feature a bore of 74 mm (2.9 in) and a stroke of 84.5 mm (3.33 in), resulting in a compression ratio of 22:1. In terms of performance, the naturally aspirated 1N produces a peak power output of 55 PS (40 kW; 54 hp) at 5,200 rpm. Torque output ranges from 9.1 kg⋅m (89 N⋅m; 66 lb⋅ft) to 9.3 kg⋅m (91 N⋅m; 67 lb⋅ft), depending on the specific vehicle application.

Applications

  • 55 PS (40 kW; 54 hp) at 5,200 rpm, 9.3 kg⋅m (91 N⋅m; 67 lb⋅ft) at 3,000 rpm (Net):
  • 55 PS (40 kW; 54 hp) at 5,200 rpm, 9.1 kg⋅m (89 N⋅m; 66 lb⋅ft) at 2,600 rpm (Net):

1N-T

The 1N-T is the turbocharged variant of the 1.5 L diesel engine. While sharing the same bore and stroke (74 mm and 84.5 mm) and 22:1 compression ratio as the standard 1N, the addition of forced induction increases performance significantly.

The 1N-T generates a peak power output of 67 PS (49 kW; 66 hp). Torque is also improved, ranging between 13.3 kg⋅m (130 N⋅m; 96 lb⋅ft) and 14.0 kg⋅m (137 N⋅m; 101 lb⋅ft), providing greater pulling power for the vehicles it powers.

Applications

References

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