Gas only: 170
W6TA all using gas cylinder head casting # 8060
(400 up to SN: 131260)
All models listed with internal safety switch (10-1966-74) and 6
Rear Crankshaft Seal fits Case 400 730 770 Tractor | Replaces O9709AB Carburetor Gas only: 170Quality Aftermarket Rear Crankshaft Seal Fits Case Tractor Models: 400, 930 Comfort King, 700, 730, 740, 741, 742, 744, 770, 830, 840, 841, 870, 900, 930, 970, 1030, 1030 Comfort King, 1031, 1032, 1070, 1090, 1170, 1175, 1200TK, 1270, 1370, 2470, 2670 Also fits Case gas, LP, or diesel engines: 251, 267, 284, 301, 336, 377, 401, 451, and 504 cubic inch. Replaces O9709AB, A23085, A62050. Please Note: Used as a rear crankshaft oil seal. Specifications 4.