The new Perkins diesel engine was slightly larger in capacity than the Standard 23C unit it replaced, and one benefit of this was the 37.3hp it produced at the PTO, which was a 3.3hp improvement over the Standard engines peak output at the same revs. Standard Motors was the company that built Ferguson tractors in the UK. Massey Ferguson offered a good range of implements that could be bolted onto the back of the MF 35. Rear-Mount Finish Mowers. //