The 2.8-liter Nissan RD28 diesel engine was produced by the concern from 1987 to 1999 and was installed on many popular Japanese sedans such as Cedric, Gloria and Laurel. A modification of the engine with an electronic high-pressure fuel pump and the RD28E index was installed on a taxi until 2009.
The RD series also includes internal combustion engines: RD28T and RD28ETi.
The engine was installed on:
- Nissan Cedric 6 (Y30) in 1985 – 1987; Cedric 7 (Y31) in 1987 – 1991; Cedric 8 (Y32) in 1991 – 1995; Cedric 9 (Y33) in 1995 – 1999;
- Nissan Gloria 8 (Y31) in 1987 – 1991; Gloria 9 (Y32) in 1991 – 1995; Gloria 10 (Y33) in 1995 – 1999;
- Nissan Laurel 5 (C32) in 1986 – 1989; Laurel C33 in 1989 – 1993; Laurel C34 in 1993 – 1997;
- Nissan Patrol 4 (Y60) in 1987 – 1995;
- Nissan Skyline R31 in 1985 – 1990.
Specifications
| Production years | 1987-1999 |
| Displacement, cc | 2825 |
| Fuel system | vortex chamber |
| Power output, hp | 95 – 100 |
| Torque output, Nm | 175 – 180 |
| Cylinder block | cast iron R6 |
| Block head | aluminum 12v |
| Cylinder bore, mm | 85 |
| Piston stroke, mm | 83 |
| Compression ratio | 21.2 – 22.0 |
| Features | no |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | no |
| Recommended engine oil | 10W-40 |
| Engine oil capacity, liter | 6.4 |
| Fuel type | diesel |
| Euro standards | EURO 1/2 |
| Fuel consumption, L/100 km (for Nissan Laurel 1994) — city — highway — combined |
11.8 7.9 9.8 |
| Engine lifespan, km | ~350 000 |
| Weight, kg | 220 |
Disadvantages of the RD28 engine
- The cylinder head of this diesel engine cracks easily from overheating;
- The timing belt resource is about 90 thousand km, and when it breaks, the valve bends;
- Engine revs at idle usually float due to sensors or their wiring;
- There are oil leaks from the crankshaft oil seal or oil cooler gasket;
- By about 100 – 150 thousand km, hydraulic lifters most often begin to knock.
