What is the head bolt torque on john deere 4219df engine?

For the JOHN DEERe 4219DF engine, the head bolt torque specification is typically around 75-85 ft-lbs (foot-pounds) for the initial torque, followed by an additional angle torque of 90 degrees. It's important to consult the specific service manual for your engine to confirm these values, as they may vary based on production year or modifications. Always ensure proper torque sequence and use a calibrated torque wrench for accuracy.