Testing either the mechanical (small frame tractors like a 450) or the Hydraulic Big frame tractors like a 806 is the same. The best test is pulling a tillage implement. with the tractor pulling hard in direct drive (lever forward) crisply pull the lever back (or switch). it should down shift int the reduction like a n automatic does going up a hill. Clean change in ratios. Then crisply pushing the lever forward it should up shift with very small transitional slippage. The engine should come down to loaded in tenths of a second. The other way is to test it on a county road by starting out in road gear with the lever back. give it near wide open throttle and (when safe) let the clutch out like you are avoiding an accident. It should pull from a stop cleanly and when shifted to direct, act as above with little slippage. If the master clutch is worn, slippage will occur in all tests. If the tractor does not move, the sprag clutch is out. If it will not go into direct, (no shift) the TA front clutch is out. Jim
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Today's Featured Article - A Brief History of Tractors in Australia - by Bob Kavanagh. After Captain Cook's exploration of the east coast in 1770 the British Government decided to establish a penal colony in Australia. The first fleet arrived in 1788 and consisted mainly of convicts who were poorly equipped and new little of farming techniques. The colony remained far from self-supporting and it was not until the early 1800's that things started to improve. Free settlers started to arrive, they followed the explorers across the mountains and where land was suitable set up farms. T
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