Nissan UD engine
From Infogalactic: the planetary knowledge core
The Nissan UD series of diesel engines were produced by Nissan in a range of configurations from 3 cylinder to 12 cylinder. The engines were mainly used in heavy applications, such as buses and trucks produced from 1971 through 1983.[1]
Specification
All engines retain the same bore and stroke ratio - 110 mm x 130 mm.
UD-3 - 3706 cc - straight-3 diesel engine
Applications:
- Nissan Bus U690/UG680/UR690/NUR690
- Nissan Truck U680/DUG680/TU680/U681
UD-4 - 4942 cc - straight-4 diesel engine
Applications:
- Nissan Bus R80/RX102/4R82/4RA82/4RA104
- Nissan Truck T80/T80S/T80SD/TC8
UD-5 - 6177 cc - straight-5 diesel engine
Applications:
- Nissan Bus 5R104/5RA104
- Nissan Truck 5TWDC10
UD-6 - 7413 cc - straight-6 diesel engine
Applications:
- Nissan Bus 6R110/6RA110
- Nissan Truck 6TW1Z/6TW1ZS/6TW12SD
UD-V8 - 9883 cc - V8 diesel engine
Applications:
- Nissan Bus U8RA110
UD-V12 - 14825 cc - V12 diesel engine
Applications:
- Nissan Dump Truck WD38
Marine applications
Nowadays, these engines find applications in boats as an alternative to Cummins diesels.[2]