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Chip tuning

There are few issues that ruffle the feathers of tractor manufacturers in quite the same way as engine tuning. Matters of warranty and insurance are called into question, and what about the effects of tuning on fuel consumption, emissions and cooling requirements? We test a couple of kits on two different tractors.

John Deere S690i combine

A heavyweight in all senses of the classification, we first drove the John Deere S690i back in the October 2011 magazine. Why heavy? For starters, the harvester scales as much as 27t when equipped with a 4.5t, 10.8m wide header, but then it’s also capable of putting in a seriously heavyweight performance in the field, as we find out.

Malone silage wagon

It’s time to look across the Irish Sea for County Mayo-based Malone Engineering, which has been building and selling silage wagons in its home market for five years now. The company is targeting a wider audience in 2012.

Claas butterfly mowers

Today’s high-output mowers appear in many different configurations, and one of the more popular is the distinctive ‘butterfly’. Do these machines make sense as a second-hand buy?

Kawasaki Mule service

In the world of utility vehicles, Kawasaki’s Mule has been around for longer than most, and it hasn’t changed much in that time, either. Such continuity means all Mule variants, of whatever vintage, come with similar servicing demands.