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| Nissan RD engine | |
|---|---|
 RD28 series 1 in a C33Nissan Laurel | |
| Overview | |
| Manufacturer | Nissan Diesel |
| Production | 1985-2009 |
| Layout | |
| Configuration | Straight-6 |
| Displacement | 2.8 L (2,826 cc) |
| Cylinder bore | 85 mm (3.35 in) |
| Piston stroke | 83 mm (3.27 in) |
| Valvetrain | SOHC, 2 valves per cylinder |
| Combustion | |
| Turbocharger | Withintercooler (RD28T and RD28ET) |
| Fuel system | |
| Fuel type | Diesel |
| Cooling system | Water-cooled |
| Output | |
| Power output | 94–145 PS (69–107 kW; 93–143 bhp) |
| Torque output | 18–29.3 kg⋅m (177–287 N⋅m; 130–212 lb⋅ft) |
| Chronology | |
| Predecessor | |
TheNissan RD engine series is the diesel version of theNissan RB engine, using asingle overhead cam, six-cylinder layout. It was the successor to theNissan LD andSD six-cylinder engines and was joined by the six-cylinderNissan TD engine.
From 1997 onwards, turbocharged versions were fitted withelectronic fuel injection. Theturbodiesel version is known as the RD28T (or RD28ET with electronic fuel injection) and were also fitted to theNissan Safari (also known as theNissan Patrol) off-road vehicle.
The engine block was similar to the RB30 engine except it had more material, was heavier and had an 85 mm bore vs the 86 mm bore of the RB30 and a 83 mm rather than 85 mm stroke. One issue is that the stronger vibrations from the diesel engine could loosen the crank/harmonic balancer bolt (originally from the RB) which in turn loosens or falls off, causing major engine damage. It is recommended to use thread locking fluid when installing.
The cylinder head was of a non-crossflow design, meaning that the exhaust and intake ports were on one side of the cylinder head.
Applications:
No PCV on the tappet cover.
Applications:
Applications:
Vacuum pump located on tappet cover.
Applications:
Applications:
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