mach 570 / 573 Steering ram pin Fits in: CPKIT2 - Nyloc nut Thwaites 6000MK3, 7000MK3 and 9000MK3 Dumpers. CPKIT2/A - Nyloc nut Thwaites 4000MK2, 7000MK1 and 7000MK2 Dumpers. CPKIT31 - Nyloc nut Thwaites 5, 6 and 7 tone dumper from 2002 onwards also fits 9ton from 2002 to 2005 with 32mm pins. CPKIT51 - Nyloc nut Barford SX/SXR4-9 ton dumpers (not SX4000). CPKIT570 - Nyloc nut Thwaites 3ton dumper 2007 onwards when fitted with Yanmar 3TNV88-XWA2. CPKIT8 - Nyloc nut Thwaites Alldrive 5, 6, 7 tonne Dumper pre 2001.