Factory Bolens tractor service manual download. Bolens tractor service manual QS QT & 1900 series 1974 - 1983 93 pages
Model 1660 QS16 - built 1974 thru 1977 Kohler K341 16HP Single Cylinder
Model 1666 - 01 thru 05 QT16 - built 1973 thru 1978 Onan BF-MS 16HP Twin Cylinder
Model 1666 - 06 thru 10 QT17 - built 1979 thru 1983 Kohler KT17 17HP Twin Cylinder
Model 1966 QT19 - built 1983 thru 1985 Kohler KT19 19HP Twin Cylinder
