Weichai — Weichai WD10 Diesel Engine Service Manual

Service Manual for WD10 Diesel Engine 2 Maintenance Guidelines for Diesel Engine 21 Fuel Oil, Engine oil, Coolant and Auxiliary Materials 211 Fuel Oil Summer: 0# diesel fuel (GB252) Winter: -10# diesel fuel is generally used, choose -20# diesel fuel if ambient temperature lower than -15 o C, and choose -35# diesel fuel if ambient temperature lower than -30 o C. The chosen fuel should meet requirements in appendix C.6 of GB17691-2005 (Revised in June 2008). 212 Engine Oil Diesel engine oil capacity: 23L, engine oil level is subjected to the marks on oil dipstick (there might slight differences between different models). Selection of engine oil:

To ensure safety and reliable operation of your diesel engine, please choose 15W/40CF-4 or 5W/40CF-4 engine oil. If ambient temperature is higher than -15 o C, select 15W/40CF-4 engine oil and 5W/40CF-4 is applicable for ambient temperature lower than -15 o C (Weichai dedicated engine oil is recommended, and only choose Weichai dedicated engine oil for the first replacement). Table 2-1 Lubricating oil brand option list Ambient temperature Multi-grade oil Ambient temperature ATTENTION: It is not allowed to apply CE, CD, CC, CB, and CA grade engine oil to WP10 China II series diesel engine. Replace the filter along with the engine oil replacement. 9