Nissan HR engine

The HR is a family of straight-3 12-valve and straight-4 16-valve automobile engines with continuously variable valve timing, involving development by Nissan (Aichi Kikai) and/or Renault, and also Mercedes-Benz in the case of the H5Ht/M282. The designation of H engine is used by Renault, and M28x by Mercedes-Benz, to classify the family. There are three basic specifications of engine involving variations in engine architecture, or all-new architecture, with 72.2 mm (2.84 in), 75.5 mm (2.97 in) and 78 mm (3.07 in) bore diameter.

The HR10DE is a 1.0 L (999 cc) naturally aspirated straight-three engine. Bore: 78 mm (3.07 in); Stroke 69.7 mm (2.74 in); 12v DOHC. It produces 56.6 kW (77 PS; 76 hp) and 98 N⋅m (72 lbf⋅ft). Flex-Fuel, gasoline (E22) or ethanol (E100). Compression ratio of 11.2:1.

It is fitted to the following vehicles:

The HR12DE is a 1.2 L (1,198 cc) naturally aspirated straight-three engine. Bore: 78 mm (3.07 in); Stroke 83.6 mm (3.29 in); 12-valve DOHC; EFI with variable valve timing. It produces 59 kW (80 PS; 79 hp) and 108 N⋅m (80 lbf⋅ft).

It is fitted to the following vehicles:

1397 cc, 96 kW (130 PS) at 5500 rpm, 190 Nm at 2250 rpm. Bore: 78 mm (3.07 in); Stroke 73.1 mm (2.88 in).

The HR14DDe is a 1.4 L (1,433 cc) naturally aspirated straight-3 engine. Bore: 78 mm (3.07 in); Stroke 100 mm (3.94 in); 12v DOHC; direct injection with variable valve timing. It produces 72 kW (97 hp; 98 PS) at 5,600 rpm and 123 N⋅m (91 lbf⋅ft). Purposely, this engine is only built as a power generator for the electric motor.

The HR15DE is a 1.5 L (1,498 cc) naturally aspirated straight-4 engine. Bore: 78 mm (3.07 in); Stroke 78.4 mm (3.09 in); 16 valve DOHC; EFI with variable valve timing. It produces 74 kW (99 hp; 101 PS) at 6000 rpm and 134.4 N⋅m (99 lbf⋅ft) at 4000 rpm and is fitted to the following vehicles: