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Maintenance

Diagnosing Komatsu D155AX-6 main-pump faults

How to diagnose a 708-1H-00251 main-pump fault on D155AX-6 dozers with the right field sequence — technical article.

Maintenance

Habits that extend undercarriage life

Operator and service practices that prevent early wear of rollers, chains, and guides.

Maintenance

Hydraulic-pump fault signals

Early-warning signs and measurement points for WA-series wheel loaders.