Baudoulin 4M11G - Chapter 2: Maintenance Guide; Fluids and Auxiliary Materials

Maintenance Manual of 4M11 Series Diesel Engine For Land Power Generators
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Chapter II Maintenance Guide
2.1 Fuel Oil, Lubricating Oil, Coolant, and Auxiliary Materials for Diesel Engine
2.1.1 Fuel Oil
Summer: 0# diesel (GB 252)
Winter: generally -10# diesel fuel shall be used; however, -20# diesel fuel shall be used
if ambient temperature is lower than -15ºC.
-35# diesel fuel shall be used if ambient temperature is lower than -30ºC.
The fuel used must conform to the requirements in section D.1 of Appendix D to
national standard GB20891-2007.
2.1.2 Lubricating Oil
The capacity of diesel engine lubricating is 9.8L, depending on the marking of the oil
dipstick (The oil capacities vary depending on different models).
For Weichai Power non-road phase-II series diesel engines, CF-4 grade engine oil shall be used.
For details, refer to Table 2-1.
Table 2-1 Selection Specification of Weichai Special Engine Oil
Variety Product category
Packing
specification
Applicable model
Diesel
engine oil
CF-4
10W/30
15W-40
20W-50
4L, 18L,
170kg
National II diesel engine: WD615,
WD10, WD618, WD12, WP6 non-road
Stage-II series, etc.
Choose the viscosity of Weichai special engine oil based on the temperature, with reference to Table
2-2.
Table 2- 2 Relationship Table between Viscosity and Environmental Temperature
SAE viscosity grade
Applicable environmental
temperature (ºC)
0W-20 -35-20
5W-30 -30-30
10W-30 -25-30
15W-40 -20-40