About This File
This pdf file leads the user thru step to rebuild / refurb the Sundstrand Piston-to-Piston models 90-1136, 90-1137, 90-1140, 90-1173 with pictures included. These models are found in AUTOMATIC tractors of the 1970s such as C-120, C-160, etc.
Model 90-1136 16 models 1973-1977
1973 10hp Automatic model 1-0475 - (1-0475-8)
1973 12hp Automatic model 1-0465 - (1-0465-8)
1973 14hp Automatic model 1-0435 - (1-0435-8)
1974 B-100 Automatic model 1-0510 - (1-0510-9)
1974 C-120 Automatic model 1-0485 - (1-0485-9) - Kohler engine
1974 C-120 Automatic model 1-0490 - (1-0490-9) - Kohler engine
1974 C-120 Automatic model 1-0495 - (1-0495-9) - Tecumseh engine
1975 B-100 Automatic model 1-0511
1975 C-120 Automatic model 1-0491
1976 C-120 Automatic model 61-12KS01
1976 C-120 Automatic model 61-12KS02
1976 C-120 Automatic model 61-12KS03
1976 C-120 Automatic model 61-12KS04
1977 C-120 Automatic model 71-12KS01
1977 C-120 Automatic model 71-12KS02
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Model 90-1137 16 models 1973-1977
1973 18hp Automatic model 1-0600 - (1-0600-8)
1973 18hp Automatic model 1-0601 - (1-0601-8)
1973 18hp Automatic model 1-0610 - (1-0610-8)
1973 18hp Automatic model 1-0620 - (1-0620-8)
1974 D-160 Automatic model 1-0650 - (1-0650-9)
1974 D-180 Automatic model 1-0611 - (1-0611-9)
1974 D-200 Automatic model 1-0630 - (1-0630-9)
1975 D-160 Automatic model 1-0651
1975 D-180 Automatic model 1-0612
1975 D-200 Automatic model 1-0631
1976 D-160 Automatic model 61-16OS01
1976 D-160 Automatic model 61-16OS02
1976 D-200 Automatic model 61-20KS01
1976 D-200 Automatic model 61-20KS02
1977 D-160 Automatic model 71-16OS01
1977 D-200 Automatic model 71-20KS01
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Model 90-1140 8 models 1974-1977
1974 C-160 Automatic model 1-0480 - (1-0480-9) - Kohler engine
1975 C-160 Automatic model 1-0481
1976 C-160 Automatic model 61-16KS01
1976 C-160 Automatic model 61-16KS02
1976 C-160 Automatic model 61-16KS03
1976 C-160 Automatic model 61-16KS04
1977 C-160 Automatic model 71-16KS01
1977 C-160 Automatic model 71-16KS02
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Model 90-1172 2 models 1978-1979
1978 C-121 Automatic model 81-12KS01
1979 C-121 Automatic model 91-12KS01
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Model 90-1173 19 models 1978-1980
1978 C-141 Automatic model 81-14KS01
1978 C-161 Automatic model 81-16KS01
1978 C-161 Twin Automatic model 81-16BS01
1978 D-160 Automatic model 81-16OS01
1978 D-200 Automatic model 81-20KS01
1979 C-141 Automatic model 91-14KS01
1979 C-161 Automatic model 91-16KS01 (One found in Holland Made in Belgium)
1979 C-161 Automatic model 91-16KS91 (Made in Belgium)
1979 C-161 Twin Automatic model 91-16BS01
1979 C-161 Twin Automatic model 91-16BS02
1979 D-160 Automatic model 91-16OS01
1979 D-160 Automatic model 91-16OS02 - Not listed @ Toro and may be an invalid model number (May be a typo in a service bulletin)
1979 D-200 Automatic model 91-20KS01
1979 D-200 Automatic model 91-20KS02
1980 C-125 Automatic model 01-12KS01
1980 C-145 Automatic model 01-14KS01
1980 C-165 Automatic model 01-16KS01
1980 C-165 Automatic model 01-16KS91 (Made in Belgium)
1980 C-175 Twin Automatic model 01-17KS02
1980 D-160 Automatic model 01-16OS01
1980 D-200 Automatic model 01-20KS00
Late 1980 models used Eaton hydro