Replaces the following OEM part numbers: 3802406

RD — 1981-1987 — 11

7740SLE — 1994-1997 — 4-304 Diesel

Fits John Deere Tractor: 1840

Front Crank Seal for Allis Chalmers HD6EP, HD6B, 145+ | 74036340 BC165 Replaces the following OEM partFront Crank Seal for Allis Chalmers: heavy duty replacement for OEM 74036340, 4036340, 74036340V. Built for reliable field replacement performance. Fits These Models Allis Chalmers Crawlers HD6EP, HD6B, HD6E, HD6G, HD6A, HD7G, HD12GB, HD11, HD11B, HD11E, HD11EC, HD12G, HD11EP, HD16DP, HD21, HD21A, HD16D, HD16DC, HD16B, HD21F, HD21G, HD21P, 7G Allis Chalmers Graders 145, 145T, M70, M60, 45, 100C, D30, 200C, 150C, M100, M100B Allis Chalmers Wheel