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| Nissan P engine | |
|---|---|
 | |
| Overview | |
| Manufacturer | Nissan Motors |
| Production | 1959-2003 |
| Layout | |
| Configuration | Inline-6 |
| Displacement |
|
| Cylinder bore |
|
| Piston stroke | 114.3 mm (4.50 in) |
| Valvetrain | OHV |
| Combustion | |
| Fuel system | Carburetor |
| Cooling system | Water cooled |
| Output | |
| Power output |
|
| Chronology | |
| Predecessor | Nissan NC engine |
| Successor | Nissan TB engine |
TheNissan P engine is a largeoverhead valve,inline-six engine manufactured byNissan from 1959 to 2003 and used in light-duty trucks by Nissan, as well as in theNissan Patrol. It replaced Nissan's older sidevalve engines with which it shared its dimensions.[2]: 84 This series of engines were based on the pre-war Type A engine, which was a license builtGraham-Paige design.[1]
Introduced in 1950, the NAK is a 3.7 L (3,670 cc) petrol inline-six engine which produces 75 hp (56 kW; 76 PS). This was directly derived from Nissan's pre-war A engine, a license-builtGraham-Paige unit.
Applications:
Introduced in 1953, the NB is a 3.7 L (3,670 cc) petrol inline-six engine which produces 95 hp (71 kW; 96 PS).[1]
Applications:
Introduced in 1955, this is a 4.0 L (3,956 cc), sidevalve petrol inline-six 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]: 84
Applications:
TheP is a gasoline-powered, overhead valve 4.0 L (3,956 cc) inline-six[2]: 84 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]: 84 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 calledP40, 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 thePF engine.
Applications:
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