August 22, 2006 The international diesel land-speed record for diesel-powered vehicles moved a step closer last week as the JCB DIESELMAX broke the Bonneville Salt Flats course record with a measured-mile speed of 317mph. Having already achieved a recorded average speed over a measured mile of 308mph in the late afternoon of Thursday 17 August, the JCB DIESELMAX needed to complete a second run within a twenty four hour period at least matching this speed in order to take the record. On Friday, the second run was completed successfully achieving a speed of 325mph. The average speed of the two runs was thus recorded as 317.021mph, thus establishing the JCB DIESELMAX as the fastest-ever diesel over the Bonneville course.
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