The Nissan P engine is a large

overhead valve An overhead valve (OHV) engine, sometimes called a ''pushrod engine'', is a piston engine whose valves are located in the cylinder head above the combustion chamber. This contrasts with earlier flathead engines, where the valves were located be ...

, 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 The is a series of full-size SUVs manufactured by Nissan in Japan and sold throughout the world. The Patrol has been available as either a short-wheelbase (SWB) three-door or a long-wheelbase (LWB) five-door chassis since 1951. The LWB versio ...

. It replaced Nissan's older, sidevalve engines with which it shared its dimensions. This series of engines were based on the pre-war Type A engine, which was a license built

Graham-Paige Graham-Paige was an American automobile manufacturer founded by brothers Joseph B. Graham (1882-1970), Robert C. Graham (1885-1967), and Ray A. Graham (1887-1932) in 1927. Automobile production ceased in 1940, and its automotive assets were acq ...

design.

NAK

Introduced in 1950, this is a petrol inline six-cylinder engine which produces . This was directly derived from Nissan's pre-war A engine, a license-built

unit. Applications: * Nissan 290 Bus * 1950 Nissan Patrol 4W70 * 1951 Nissan Patrol 4W60 * 1952-1953 Nissan 380 * 1952-1953 Nissan 390 Bus

NB

Introduced in 1953, this is a petrol inline six-cylinder engine which produces . Applications: * 1953-1954 Nissan 480 * 1953-1954 Nissan 490 Bus * 1955 Nissan Patrol 4W61

NC

Introduced in 1955, this is a , sidevalve petrol inline six-cylinder which produces at 3,400 rpm. Bore and stroke are . It was used in various buses and trucks as well as in early Nissan Patrols. Applications: * 1955-1959 Nissan 482 Truck

Ozeki Ozeki or Ōzeki may refer to: * Ōzeki, a rank in ''Makuuchi'', the top division of professional sumo ** List of ōzeki * Ōzeki station (disambiguation), the name of two railway stations in Japan * Ōzeki Masutoshi (1849–1905), 16th daimyō o ...

, p. 112 * 1955 Nissan 492 Bus * 1955-1957 Nissan 580 Truck * 1958-1959 Nissan 582 Truck * 1955-1957 Nissan 590 Bus * 1958-1959 Nissan 592 Bus * 1955-1959 Nissan Carrier 4W72 * 1956-1959

Nissan Cabstar Nissan Cabstar (kana:日産・キャブスター Kyabusutā) is the name used in Japan for two lines of pickup trucks and light commercial vehicles sold by Nissan and built by UD Nissan Diesel, a Volvo AB (now Isuzu) company and by Renault-Nis ...

E590 * 1956-1959

4W65

P

The P is a gasoline-powered, overhead valve inline six-cylinder with at 3,400 rpm initially. Bore and stroke are . Later with , further modifications in 1965 increased the power to . 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: *

E690 * 1959-1960

4W66 * 1959-1968 Nissan Carrier 4W73 * 1959-1968 Nissan 680 Truck * 1960-1968 Nissan 690 Bus * 1960-1980

60 series * 1963-1968 Nissan FR40 fire engine

, p. 102 * 1968-1969 Nissan 681 Truck * 1968-1969 Nissan 691 Bus * 1970-? Nissan G780 * 1980-1989

160 series * 1986-2003

260 series

References

P Straight-six engines {{Automotive-part-stub