Back in the day there were lots and lots of those 'power trailers' around here. They served a purpose. I don't recally ever hearing about anyone ever getting hurt with one. Real popular for working in the woods at one time... but as with everythign else, time marched on. Skidders, then forwarders took over woods work and big MFWD tractors dragging wagons buried to the axles hauled out of fields... so 'power trailers' were no longer needed.
They'd actually go pretty slow when you think about it. In low gear with the tractor idled down to mid speed or less the input shaft would only be turning mabey 300 rpm. How fast does an old truck with a 6.17:1 rear end go in granny gear at 300 rpm? Not very fast...
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Today's Featured Article - Engine Valves - Some Helpful Information - by Staff. Intake - On the intake stroke the piston moves doward, sucking in carburized fuel through the open intake valve. Exhaust valve is closed. Compression - With both the intake and exhaust valves closed, the pistons upward stroke compresses or squeezes the fuel into the combustion chamber. Firing - Ignited by the spark, the compressed fuel explodes and forces the piston downward on its power stroke. Intake and exhaust valves are closed. Exhaust valves and seats are exp
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