Practical test: Claas Disco 9300 C Duo Claas’s Disco 9300 C Duo outfit is billed as ‘the widest of the wide’ – a claim that sounds fair enough considering its 9.1m cut. On a tractor this triple disc mower will form a front/rear combination; on a Xerion all three mowers mount up front. We field-test the green Mr Big
The Disco 9300 is the top dog out of five within Claas’s high-output mower range, offering the flexibility to use it either with a reverse-drive tractor (in this test, a systems tractor) or in front/rear configuration with a conventional tractor. Contractors operating at the higher end of the market will be very familiar with the conventional tractor/reverse-drive dilemma, which runs along the lines set out below.
Hanging a front/rear combination from a conventional tractor is straightforward, cost-effective and produces a relatively well-balanced outfit. The bad news is that when working across banks or following sharply curved headlands, the spacing between front and rear beds is likely to produce uncut crop strips. The risk can be minimised by providing a substantial bed overlap (which squanders overall mower working width) or by adding a sideshift facility, achievable through the likes of Walterscheid’s hydraulic lower link stabiliser. Either way, leaving a feather-free job asks a lot of the mower operator.
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