Troubleshooting steps
Check engine components, verify oil pressure, check cooling system
Heavy Equipment Codes
Caterpillar E120 – Engine fault
Engine fault
Details
Caterpillar E120 error on Construction, Mining equipment indicates engine fault. Engine component failure, low oil pressure, overheating. Check engine components, verify oil pressure, check cooling system.
Error typeengine
MeaningEngine fault
Typical causesEngine component failure, low oil pressure, overheating
SolutionsCheck engine components, verify oil pressure, check cooling system
SeverityHigh
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CaterpillarE120
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What does E120 mean on Caterpillar equipment?
E120 on Caterpillar Construction, Mining equipment indicates engine fault. Engine component failure, low oil pressure, overheating.
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