From the front axle to the rear axle, Primedia I&T Shop Service Manuals have been the authoritative source for tractor repair and maintenance information since 1948. They include detailed specifications and comprehensive service and repair instructions for most makes and models of farm tractors - even models 60 years old. Covers models 544, 656, 666, 686, Hydro 70, Hydro 86 - Models Hydro 100, Hydro 186, 1466, 1468, 1486, 1566, 1568, 1586 - Models 684, 784, 884, Hydro 84. 304 Pages softcover.