I worked as a Deere mechanic for three Deere dealerships back to the late 60s. But . . . I'm a little "rusty" on some of this - and I worked on many more 350s then 450s - simply because the 450s did not break near as much. As I recall, all the 350s (with F-R reversers) and all the 450s (with HL-Rs) only have power to the PTO when the trans is working and engaged. If powereing a winch, the trans must be engaged in forward - not reverse. Many crawlers we sold and serviced had PTO driven winches on them - so it was something that caught our attention when they didn't work. The 440 wheeled log skidders however, used a special "through shaft" from the engine clutch the powered the PTO direct from the flywheel. This was done with a hollow transmission input shaft with another shaft inside of it. You just had your 450 apart. If all you saw was - a solid splined trans. input shaft going into the clutch disk - then there is NO PTO drive unless the HL-R is engaged to make the output shaft turn.
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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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