MAINTENANCE 20. FUEL, COOLANT AND LUBRICANTS ACCORDING TO AMBIENT TEMPERATURE 20.1 PROPER SELECTION OF FUEL, COOLANT AND LUBRICANTS It is not our policy to approve fuel, coolant and lubricants or to guarantee their performance in service. The responsibility for the quality of the fuel, coolant and lubricant must remain with the supplier. When in doubt, consult your Komatsu distributor. The specified fuel, coolant and lubricants recommended for this machine are as shown in the following table. API: American Petroleum Institute ASTM: American Society of Testing and Materials NLGI: National Lubricating Grease Institute SAE: Society of Automotive Engineers Specified Capacity:
Total amount of oil including oil for components and piping. Refill Capacity: Amount of oil needed to refill system during normal maintenance. Other equipment may be necessary when operating the machine at temperatures below -20 e consult your Komatsu distributor for your specific needs. 3-10 WA420-3MC RESERVOIR FLUID TYPE AMBIENT TEMPERATURE CAPACITY -22 -4 14 32 50 68 86 104 -30 -20 -10 0 10 20 30 40 Specified Refill Engine with filter(s) Engine oil See page 3-11.
22 5.9 gal (US) 19 5 gal (US) SA E 5W- 30 S AE 10 W-30 S AE 15 W-40 Torque converter, transmission, transfer case & oil cooler Engine oil See page 3-11 65 17.2 gal (US) 60 15.8 gal (US) SAE 10W S AE 30 W Drive axles - Front & rear (each) Axle oil See 20.5 DRIVE AXLE OIL SPECIFICATIONS on page 3-12. 60 15.8 gal (US) 60 15.8 gal (US) Hydraulic system Engine oil See page 3-11 210 55.4 gal (US) 138 36.4 gal (US) SAE 10W SAE 1 5W-40 SAE 1 0W-30 Fuel tank Diesel fuel See page 3-12. 340 89.8 gal (US) A STM D 975 No . 2 ASTM No D975 .
1 All lubrication fittings Grease Komatsu Super Grease or NLGI No.2 Multi-purpose lithium grease with 3% molybdenum disulfide Fill as instructed Cooling system Coolant See 20.7 COOLANT SPECIFICATIONS on page 3-13. 53 14 gal (US)