3522.5-0000010 OM
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5.7 Determination of PTO shaft and cardan shaft capabilities
Critical parameters for determination of possibility of application of rear or front PTO
shaft of the tractor, and cardan shaft and safety clutch performances also in the course of
the implements selection for coupling with the tractor are the following: coupling method;
distance from a connection point to PTO shaft end butt and PRS shaft end; PTO shaft ro-
tational speed, PRS torque and power consumption of the implement.
Figure 5.7.1 – Nomographic chart for torque test on PRS
Manufacturers of the implements with active working attachments designed for till-
age and grass cutting (rotary tooling, mulchers, mowing machines and other implements)
usually present data on the implement coupling method, PRS rotation speed, gear trans-
mission ratio of the implement mechanical drive, minimum take-off value and maximum
required tractor horsepower ensuring the implement operation.
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