Howard 300 and 350 service repair manual for all workshop servicing of the Howard rotavator engines. Full PDF instructions and diagrams to view online or download and print, covering the different engine types found in these Howard rotavators.
Howard 300 (circa 1962-1969)
An 18″ Rotavator,.The engine was a Briggs & Stratton 141, rated at 4hp.
In 1965 the engine was changed for a Kohler K91. By about 1969 the 300 was discontinued
Howard 350 (circa1967)
In approximately 1967 the 350 was added, basically the same machine as the 300 but with a larger K141 Kohler Engine (Early 350 had a blue engine, mid-1970s were gold and late 70’s painted orange, this can be useful to help with dating your machine)
Howard 352 (circa 1982)
In 1982 Howard replaced the troublesome clutch with an idler pulley system and used again a Briggs & Stratton, but this time a 5hp I/C. The name was changed to Howard 352.later on they change the engine to the mag engine then Kubota bought out mag engines last ones had Kubota engines on the name change to Dowdeswell 352.