Transmission and PTO loads by gear selection
Fig. 3 shows examples of torque loads on the transmission and
PTO input shafts for the ground speed at L1 and the PTO rotational
speed at P2 during the rotary tillage operation. The rotary tillage
operation consisted of a preparing period to descend the 3-point
hitch, an operating period to till the soil, and a completion period to
ascend the 3-point hitch. The measured torque on the transmission
and PTO input shafts showed steep increasing in the preparing
period and decreasing in the completion period, and torque on
these components showed irregular fluctuation patterns in the
operating period. The magnitude and range of the measured torque
on the PTO input shaft were greater than those on the transmission
input shaft in the operating period