New Holland T8010 Manual page 446

STEP 37
Replace the transmission drain plug and fill the
transmission with hydraulic oil.
Section 25 - Four-Wheel Drive Front Axle - Chapter 3
91S17
25-3-15
STEP 38
Check for oil leaks. Make sure the transmission shift
lever is in Park. Remove the blocks in front of and
behind the rear wheels. Start the tractor and check
the operation of the FWD suspended axle and the
transmission. Check the hydraulic oil level. Turn the
engine off and remove the key.
96RS28A