Seal, Front Crankshaft - Fits Various:
Allis Chalmers (D15 Dsl), (D17 & D17 Series IV Dsl), (D19 Gas & Dsl)
rpls: 74500307, 70254882, 74513621, 74513621V
NOTE: also used on most Allis Chalmers 170, 175, 190, 190XT, 200, 7000 output shaft 2 Speed PTO, with Shuttle Clutch