Massey Ferguson 6716S

Japanese manufacturer safety recall affecting the electronic control. Declared production window: 2016–2021.

Japanese manufacturer safety recall affecting the electronic control. Declared production window: 2016–2021.

PTO fails to engage while engine is running and produces grinding noise when attempting engagement. PTO engages normally when engine is off. Issue occurred after engine stalled while operating shredder with debris jam.

User reports error codes E5 4346 and E31 4374 related to DEF system. Dealer diagnosed DEF pump failure. User has already replaced urea filter without resolution. Tractor lacks manual regeneration button found on other models.

Hydraulic fluid tank on loader leaks from multiple spots, causing significant fluid loss. User reports the loader arm serves as the tank and leaks like a sieve.

PTO switch jammed when attempting to engage engine position; ground and disengaged positions work normally. No grinding noise observed. Clutch plates contain excess oil. Two-stage clutch lacks definite stop point when pressed.

After tractor rolled and was pulled back to running condition, bright white smoke pours from exhaust until reaching temperature, then blue-tinged white smoke occurs intermittently at higher RPMs (2000+). Fuel injector cleaner added with no improvement.