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.
![]() | This article relies largely or entirely on a single source. (November 2018) |
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Overview | |
Manufacturer | Nissan Machinery |
Layout | |
Configuration | Naturally aspirated Straight-4 |
Displacement | 1.6–2.0 L (1,627–1,998 cc) |
Cylinder bore | 81.5 mm (3.21 in) 86 mm (3.39 in) |
Piston stroke | 78 mm (3.07 in) 86 mm (3.39 in) |
Valvetrain | SOHC |
Combustion | |
Fuel type | Gasoline Liquefied petroleum gas (in commercial vehicles) |
Cooling system | Water-cooled |
Output | |
Power output | 76–100 PS (56–74 kW) |
Torque output | 12.8–17 kg⋅m (126–167 N⋅m; 93–123 lb⋅ft) |
Chronology | |
Predecessor | Z series |
1998 update
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