Massey Ferguson 8400 model range of tractors launched in 2005 with the Dyna-VT constantly variable transmission was the flagship Massey Ferguson tractor. Providing powerful yet compact high hp tractors the MF8400 range of tractors with the reliable SISU diesel 7.4 or 8.4 litre intercooled turbo diesel engine proved versitile for a wide range of applications. Supplied with the 'Manager 5' Massey Ferguson extended warranty scheme of up to 5 years and 6,000hrs the package was very cost effective. Find out about the MF8400 model range specification below.