Torsional Damper 57 PowrReverser™ Transmission, 24 X 12 and 12 X 12, MFWD 6105D iT4 Tractor (S.N. 050001 - 059999) (S.N. 060000- )(Engine: 4045HP056)(North America Edition) PC6116 in TRACTOR 6105D