Tasks shown here are limited to the selected reference context plus any generic machine-level tasks. Intervals are tied to the cited maintenance source, and each task shows its evidence confidence.
MaintenanceChange change water separator elementApplies to: United States · Cab; Hydrostatic (Dual Touch Pedal), 3 speed ranges · current versionEvidence: Official sourceSource: Yanmar YT235 Quick Maintenance Guide →Replacement interval is stored; the 50-hour drain action is retained in text. Drain every 50 hours; replace every 100 hours
MaintenanceChange change engine oilApplies to: United States · Cab; Hydrostatic (Dual Touch Pedal), 3 speed ranges · current versionEvidence: Official sourceSource: Yanmar YT235 Quick Maintenance Guide →Official YT235 quick maintenance guide. First at 50 hours; then every 200 hoursInitial service: 50 hours
MaintenanceChange change engine oil filterApplies to: United States · Cab; Hydrostatic (Dual Touch Pedal), 3 speed ranges · current versionEvidence: Official sourceSource: Yanmar YT235 Quick Maintenance Guide →Official YT235 quick maintenance guide. First at 50 hours; then every 200 hoursInitial service: 50 hours
MaintenanceChange change fuel filterApplies to: United States · Cab; Hydrostatic (Dual Touch Pedal), 3 speed ranges · current versionEvidence: Official sourceSource: Yanmar YT235 Quick Maintenance Guide →Model-specific YT235 guide is preferred over Yanmar’s generic service-roadmap fuel-filter interval. Every 200 hours
MaintenanceChange change front axle case oilApplies to: United States · Cab; Hydrostatic (Dual Touch Pedal), 3 speed ranges · current versionEvidence: Official sourceSource: Yanmar YT235 Quick Maintenance Guide →Model-specific YT235 guide; this is intentionally not replaced by a generic Yanmar roadmap interval. First at 50 hours; then every 300 hoursInitial service: 50 hours
MaintenanceChange change transmission / hydraulic oilApplies to: United States · Cab; Hydrostatic (Dual Touch Pedal), 3 speed ranges · current versionEvidence: Official sourceSource: Yanmar YT235 Quick Maintenance Guide →Confirmed by both the YT235 quick guide and current Yanmar transmission-hydraulic service article. First at 50 hours; then every 300 hoursInitial service: 50 hours
MaintenanceChange change transmission oil and line filtersApplies to: United States · Cab; Hydrostatic (Dual Touch Pedal), 3 speed ranges · current versionEvidence: Official sourceSource: Yanmar YT235 Quick Maintenance Guide →Official YT235 quick maintenance guide. First at 50 hours; then every 300 hoursInitial service: 50 hours
MaintenanceChange change engine coolantApplies to: United States · Cab; Hydrostatic (Dual Touch Pedal), 3 speed ranges · current versionEvidence: Official sourceSource: Yanmar YT235 Quick Maintenance Guide →Official YT235 quick maintenance guide. Every 1,000 hours or 2 years