Manitou Sliding Block from HDPlast. Parts Manitou. MANITOU is a French construction equipment manufacturer founded in 1957. Marcel BRO added a lifting mast and hydraulic control to a conventional agricultural tractor. Thus, the first off-road loader was born. Thanks to him, the MANITOU brand became known all over the world. The company occupies a leading position in the global telehandler market. With us you will receive high-quality spare parts and accessories.