The 190 XT had a six cylinder engine and a 3.875x4.25 inch bore/stroke. Its displacement was 301 cubic inches and its rated RPMs was 2200. This engine was a new design and, for the time, offered excellent performance for its displacement. Its main transmission, basically a carryover from the D19, had 4 forward and 1 reverse gear and was not synchronized. The 190XT had a power director like the D Series, but it could not smoothly shift on the go (clutch engaged). The main transmission could not be shifted while the PTO was engaged and turning and as such the 190 did not offer true live PTO. You could start and stop the tractor using the power director but you could not, for example, shuttle from forward to reverse without first stopping the PTO. The power director did split each gear allowi