John Deere 425 and 445 — Engage Differential Lock

M71469 3. Lift and hold the PTO knob (A) up past the PTO engagement position to activate the reverse implement position while depressing REVERSE foot pedal slightly. NOTE: If the attachment stops while repositioning the machine, return PTO knob to the OFF position. Begin again with Step 2 in procedure. 4. As the machine begins to move backward, release the PTO knob and reposition the machine. 5. Resume FORWARD travel. The attachment should continue operating. 6. Repeat Steps 1 through 5 to reposition the machine again. Using Differential Lock c CAUTION: Avoid injury! To prevent tipping DO NOT attempt to turn on slopes and hills with differential lock engaged. IMPORTANT: Avoid damage!

To prevent damage to differential, DO NOT engage differential lock at high speeds. The differential lock is used to provide better traction when rear wheels start to slip. Do not use differential lock unless you are experiencing rear wheel slippage. Engaging differential lock will cause both rear wheels to drive equally to improve traction. Engage Differential Lock 1. STOP or slow tractor down. M71462 39