Massey Ferguson has revamped its M-series tractor line-up, adding a broader spread of models that now top out at 145hp.

This is up from the 135hp apex of the outgoing 5700 M range, with the six new tractors rising in 10hp increments, from the 95hp 5M.95 to the flagship 5M.145.

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There’s no change in terms of powertrain, but Agco’s 4.4-litre, four-cylinder engine is now fed by an enlarged 198-litre diesel tank.

This represents a 24% rise on that of the 5700s and, reckons Massey, offers greater capacity than any other tractors in this power bracket.

An “all-in-one” SCR system keeps emissions within Stage 5 limits and is neatly tucked under the cab to minimise its impact on visibility.

Buyers no longer have a choice of transmissions, with Massey having ditched the mechanical 12-speeder previously fitted to four of the old models – including the biggest 5713 M.

Instead, all now come with a 16-speed Dyna-4 box as standard.

This is rated to 40kph and can be specced with both automatic shifting of the powershift steps and a brake-to-neutral function for clutchless starts and stops.

© Massey Ferguson

More tech

Most of the other updates center around the provision of technology – most of which is optional.

Splashing out on the full MF Guide package adds Massey’s isobus-ready Fieldstar 5 terminal in the cab, opening the door to automatic section and variable rate control, and MF Connect telematics.

Further “extras” include an upgraded air-conditioning system, a clutch of LED worklights, cab suspension and a Visio roof window.

The latter will appeal to anyone speccing a factory-fitted loader, which can be controlled by either a mechanical or electric joystick and powered by a 58- or 100-litre/min hydraulic system.