Lubricant Specifications - SDMO R33C3 User And Maintenance Manual

2.5.2 Lubricant specifications

Essential for the correct operation of the engine. The oil should be selected according to its use. Besides the lubrication function, oil
should also:
- cool certain parts;
- protect metal parts against corrosion;
- improve the sealing, in particular between pistons, piston rings and cylinders;
- remove impurities (to the filter).
It is recommendable to use a top of the range lubricant for diesel engines. The table below lists the oils recommended for each engine
manufacturer.
Engine
Make
Cummins
John Deere
MTU
Mitsubishi
Perkins
Volvo
Doosan
Lombardini
Kohler
Viscosity
Viscosity is a measure of the flow resistance of a fluid. The viscosity of an engine oil is expressed by 2 SAE (Society of Automotive
Engineers) grades. One grade for cold weather and one grade for hot weather. The grade for cold weather appears before the letter W.
The 1st grade represents dynamic viscosity in cold weather, namely the ability to start the engine and to prime the oil pump (and
therefore to lubricate the various components quickly). The lower the number, the more fluid the oil.
The 2nd grade represents the kinematic viscosity in hot weather. The higher the number, the thicker the film of oil when hot (which aids
protection and sealing). The lower the number, the less friction there will be in hot weather (it helps to save fuel).
In order to ensure immediate protection when starting the engine, the choice of viscosity grade when cold is essential. More fluid oil is
quicker to flow when oil begins to circulate through the engine. It should be selected according to the ambient temperature. See the
table below.
Type Make
All GenPARTS
John Deere
All
GenPARTS
All GenPARTS
All GenPARTS
Fuel GenPARTS
Gas MOBIL
All GenPARTS
All GenPARTS
GenPARTS
All
or Kohler
GENLUB TDX 15W40
John Deere PLUS-50
GENLUB TDX 15W40
GENLUB TDX 15W40
GENLUB TDX 15W40
GENLUB TDX 15W40
GENLUB TDX 15W40
GENLUB TDX 15W40
GENLUB TDX 15W40 or Kohler 5W40,
according to the model of the engine
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Type
PEGASUS 705