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Nissan NA engine

FieldValue
nameNA engine
imageNissan NA20P.jpg
captionNA20P engine
manufacturerNissan Machinery
predecessorZ series
configurationNaturally aspirated Straight-4
valvetrainSOHC
fueltypeGasoline
Liquefied petroleum gas (in commercial vehicles)
coolingsystemWater-cooled
displacement1627-1998 cc
bore81.5 mm
86 mm
stroke78 mm
86 mm
power76-100 PS
torque12.8-17 kgm

Liquefied petroleum gas (in commercial vehicles) 86 mm 86 mm The Nissan NA family of straight-four engines is a series of engines manufactured by Nissan (Nissan Machinery). It is the replacement of the Z series, on which its design is based, and is mostly used in commercial vehicles due to its use of Liquefied petroleum gas for fuel on engines with a "P" suffix code. It is entirely unrelated to the 1950s NAK engine.

NA16S

  • Engine type: 1627 cc, 81.5x78 mm bore and stroke, SOHC
  • Output: 76 PS at 5,000 rpm
  • Torque: 12.8 kgm at 3,200 rpm

Applications

  • 1989–1995 Datsun Truck D21 73 PS
  • 1990–1995 Nissan Atlas F22 - F23

NA20P

  • Engine type: 1998 cc, 86x86 mm bore and stroke, SOHC, carburetted
  • Output: 82 PS at 4,600 rpm
  • Torque: 16.2 kgm at 2,400 rpm

In 1998 the NA20P was updated, with redesigned combustion chambers which increased power and torque while lowering fuel consumption. A new catalyst reduced emissions, making it the first LPG-engined passenger car to be designated a low-pollution vehicle in several Japanese cities and prefectures.

  • Output: 85 PS at 4,600 rpm
  • Torque: 17 kgm at 2,400 rpm

Applications

  • 1991–2010 Nissan Cedric Y31
  • 1993–2009 Nissan Crew K30
  • 1991–1999 Nissan Gloria Y31

NA20PE

This fuel injected, LPG-powered variant was introduced in September 2010 and met new, stricter emissions regulations.

  • Engine type: 1998 cc, 86x86 mm bore and stroke, SOHC, multi-point fuel injection
  • Output: 85 PS at 4,400 rpm
  • Torque: 17.3 kgm at 2,400 rpm

Applications

  • 2010–2014 Nissan Cedric Y31

NA20S

  • Engine type: 1998 cc, 86x86 mm bore and stroke, SOHC
  • Typical output: 100 PS at 5,000 rpm
  • Torque: 17 kgm at 3,000 rpm

Applications

  • 1989-1999 Datsun Truck D21, 91 PS at 5,000 rpm
  • 1990–1999 Nissan Atlas F22 - F23
  • 1990–1999 Nissan Atlas H40
  • 1990–1999 Nissan Homy / Nissan Caravan E24

References

References

  1. (March 1990). "Datsun: ニューパワーNA20、NA16新型ガソリンエンジンシリーズ搭載 ''(Catalog)''". Nissan.
  2. (1998-06-15). "セドリック／グロリア セダンを一部改良". Nissan Motor Corporation.
Info: Wikipedia Source

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