Tractor reference
Yanmar YM342
Specifications, maintenance, parts and compatibility reference.
Reference set: United States · ROPS; Synchronized shuttle shift, 8F / 8R · Current The current page marketing prose rounds engine power to 41 hp; the model-specific Featured Specs table publishes 41.4 HP, which is retained.
Machine Configuration
Operator stationROPS
Engine
Engine manufacturerYanmar
Gross engine power41.4 hp
Transmission
Standard transmissionSynchronized shuttle shift, 8F / 8R
PTO
PTO power31 hp
PTO configuration540 / 540E
Hydraulics
3-point hitchCategory 1 & 2
Dimensions & Weight
Overall width70.9 in
Overall height98 in
Overall length133.6 in
Standard 4WD wheelbase74.8 in
Maintenance schedule
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 engine oil and oil filterApplies to: United States · ROPS; Synchronized shuttle shift, 8F / 8R · current versionEvidence: Official sourceSource: Yanmar YM3 Series Tractor Oil Change - official interval →Current official YM3 model-family service article.
Every 250 hours or annually, whichever comes first
MaintenanceChange change transmission / hydraulic filterApplies to: United States · ROPS; Synchronized shuttle shift, 8F / 8R · current versionEvidence: Official sourceSource: Yanmar YM3 Transmission Hydraulic Oil Change - official recurring interval →No initial_interval_hours is stored because the current first-party article uses a non-hour unit for that initial service.
At 300 hours and every 300 hours thereafter; current source separately says first service after “50 miles”
MaintenanceChange change transmission / hydraulic oilApplies to: United States · ROPS; Synchronized shuttle shift, 8F / 8R · current versionEvidence: Official sourceSource: Yanmar YM3 Transmission Hydraulic Oil Change - official recurring interval →The source’s anomalous “50 miles” initial unit is preserved in text and not converted to hours.
At 300 hours and every 300 hours thereafter; current source separately says first service after “50 miles”
Sources
Yanmar · official sourceYanmar America YM342 current specifications
Yanmar · official sourceYanmar YM3 Series Tractor Oil Change - official interval
Yanmar · official sourceYanmar YM3 Transmission Hydraulic Oil Change - official recurring interval