Ford 7710, Ford 550, Ford 1910, Ford 4430, KD Forklift, Ford LGT17H, New Holland L255 Skidsteer
They should be 9/16” and maximum torque is 105 ft/lb.
Start in the middle and work your way out in a circular pattern with 75-80 ft/lb, then 90 ft/lb then 105 ft/lb.
/ Head bolt torque for a Ford 3910 3 cylinder diesel