Nissan P engine

Last updated
Nissan P engine
Nissan P40 engine in 160-series Safari, at Belmont 2019.jpg
Overview
Manufacturer Nissan Motors
Production1959-2003
Layout
Configuration Inline-6
Displacement
  • 3.7 L (3,670 cc) (NAK/NB)
  • 4.0 L (3,956 cc) (NC/P40)
Cylinder bore
  • 82.5 mm (3.25 in) (NAK/NB) [1]
  • 85.7 mm (3.37 in) (NC/P40)
Piston stroke 114.3 mm (4.50 in)
Valvetrain OHV
Combustion
Fuel system Carburetor
Cooling system Water cooled
Output
Power output 92 kW (125 PS; 123 hp)
99 kW (135 PS; 133 hp)
107 kW (145 PS; 143 hp) (after 1965)
Chronology
PredecessorNissan NC engine
Successor Nissan TB engine

The Nissan P engine is a large overhead valve, inline-six cylinder engine manufactured by Nissan Diesel Motor Co., Ltd. from 1959 to 2003 and used in light-duty trucks by Nissan, as well as in the Nissan Patrol. It replaced Nissan's older, sidevalve engines with which it shared its dimensions. [2] This series of engines were based on the pre-war Type A engine, which was a license built Graham-Paige design. [1]

Contents

NAK

Introduced in 1950, this is a 3.7 L (3,670 cc) petrol inline six-cylinder engine which produces 75 hp (56 kW; 76 PS). This was directly derived from Nissan's pre-war A engine, a license-built Graham-Paige unit.

Applications:

NB

Introduced in 1953, this is a 3.7 L (3,670 cc) petrol inline six-cylinder engine which produces 95 hp (71 kW; 96 PS). [1]

Applications:

NC

Introduced in 1955, this is a 4.0 L (3,956 cc), sidevalve petrol inline six-cylinder which produces 105 PS (77 kW; 104 hp) at 3,400 rpm. Bore and stroke are 85.7 mm × 114.3 mm (3.37 in × 4.50 in). It was used in various buses and trucks as well as in early Nissan Patrols. [2]

Applications:

P

The P is a gasoline-powered, overhead valve 4.0 L (3,956 cc) inline six-cylinder [2] with 125 PS (92 kW; 123 hp) at 3,400 rpm initially. Bore and stroke are 85.7 mm × 114.3 mm (3.37 in × 4.50 in). [2] Later with 135 PS (99 kW; 133 hp), further modifications in 1965 increased the power to 145 PS (107 kW; 143 hp). Later variants were called P40, reflecting the engine displacement in liters (4.0). A variant especially for fire-fighting duties, with a stronger alternator, an engine block heater, and various other improvements, was called the PF engine.

Applications:

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References

  1. 1 2 3 Hara, Sadaichi (2018-10-01), ダットサン車の開発史 日産自動車のエンジニアが語る1939-1969[Datsun car development history: Nissan Motor engineers talk about 1939-1969] (in Japanese), Grand Prix Publishing, p. 58, ISBN   978-4876873593
  2. 1 2 3 4 Ozeki, Kazuo (2007). 日本のトラック・バス 1918~1972[Japanese Trucks and Buses 1918-1972] (in Japanese). Tokyo: Miki Press. p. 84. ISBN   978-4-89522-494-9.
  3. 1 2 3 Ozeki, p. 112
  4. Ozeki, p. 102