M33 PowerKit Engine
Operating and Maintenance Manual
DPK-MAN-EN-M33-0000-19-12-20
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B40 Cooling System
6M33 Series Diesel Engine Overall Layout of cooling circuits
6M33 series diesel Engine is equipped with 2 cooling circuits.
a) High temperature cooling circuit to cool:
Cylinder block and cylinder head
Engine oil through oil cooler
The internal circuit is designed for self-degassing.
To provide effective protection of the engine against freezing, chemical and
galvanic corrosion, cavitation and depositing, it is IMPERATIVE to use the
correct coolant.
The high temperature circulation pump is located at the engine’s front side.
b) Low temperature cooling circuit:
The low temperature cooling circuit cools the charged air.
1- Thermostat Assembly
2- Water Outlet Pipe
3- Radiator
4- Fan
5- Water Inlet Pipe
6- Water Pump
7- Water Gallery
8- Lube Oil Cooler
9- Cylinder Block Cooling
10- Cylinder Head Cooling
11- Outlet Pipe