Nissan NA engine

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.

NA16S

• Engine type : 1,627 cc, 81.5 x 78.0 mm bore and stroke, SOHC^[1]
• Output: 76 PS (56 kW) at 5,000 rpm
• Torque: 12.8 kg⋅m (126 N⋅m; 93 lb⋅ft) at 3,200 rpm

NA20P

• Engine type : 1,998 cc, 86.0 x 86.0 mm bore and stroke, SOHC
• Output: 85 PS (63 kW) at 4,600 rpm
• Torque: 17.0 kg⋅m (167 N⋅m; 123 lb⋅ft) at 2,400 rpm

1998 update

• Output: 82 PS (60 kW) at 4,600 rpm
• Torque: 16.2 kg⋅m (159 N⋅m; 117 lb⋅ft) at 2,400 rpm

NA20S

• Engine type : 1,998 cc, 86.0 x 86.0 mm bore and stroke, SOHC^[1]
• Typical output: 100 PS (74 kW) at 5,000 rpm
• Torque: 17.0 kg⋅m (167 N⋅m; 123 lb⋅ft) at 3,000

rpm

References