MAINTENANCE
WB140-2N, WB150-2N 3-3
MAINTENANCE NOTES
• Use only Komatsu genuine replacement parts.
• Do not mix different types of oil.
• Unless specified otherwise, oils and coolant used by Komatsu before delivery of the machine are as follows:
GM DEXRON II® D (GM DEXRON® is a registered trademark of General Motors Corporation)
NOTES REGARDING THE ENGINE
ENGINE OIL
• Engine oil must be selected very carefully, since it lubricates the engine, which is the machine’s heart; the main mainte-
nance operations required for engine oil are as follows:
1. Daily, check the oil level.
2. Check condition of the oil with periodic analysis.
3. Periodic oil changes.
Item Specifications
• Engine oil
SAE 10W-30
API classification CD
• Hydraulic system oil
SAE 10W-30
API classification CD
• Biodegradable hydraulic system oil
(Only for machines in which the synthetic
biodegradable oil type HEE (not of plant origin)
is used).
PAKELO GEOLUBE HYDRAULIC EP-46
• Hydraulic transmission oil GM DEXRON® II D
• Axle oil (front and rear)
SHELL: DONAX TD
CALTEX: RPM TRACTOR HYDRAULIC FLUID
CHEVRON: TRACTOR HYDRAULIC FLUID
TEXACO: TEXTRAN TDH OIL
MOBILE MOBILFLUID 422 or 424
• Brake system oil GM DEXRON® II D
• Fuel
Ambient temperature above -10
°
C (14
°
F):
ASTM D975 no. 2 diesel oil
Ambient temperature below -10
°
C (14
°
F):
ASTM D975 no. 1 diesel oil
• Radiator coolant
Permanent, ethylene glycol-based antifreeze, with
corrosion inhibitor for protection down to -36
°
C (-33
°
F)
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