Gravely Model L or C Shipper Shaft



Description for the
Gravely Model L or C Shipper Shaft

The shipper shaft is located in the shipper shaft assembly, mounted on the advance casting of the models "L", "C", and 500, 5000 series two wheel tractors, plus the 400 series 4 wheel rider tractor. These shipper shafts were made in two lengths subject to the model it was installed, evidenced by the height of the associated shipper shaft body. Its function is to rotate 180 degrees transmitting motion to the trunnion block which controls the PTO clutch. These shipper shaft assemblies were operated one of two ways. Either with a short handle threaded into the shipper shaft body or with a control rod or lever located at the operator position.

As with many of our items, this shipper shaft is made of 4140 chrome-moly steel. It has been hardened throughout for strength and wear resistance, then surface ground on the bearing area.

Cause for replacement fall to two basic reasons. The shipper shaft bearing area has worn excessively, adversely affecting its operation. The other, a worse case failure, the trunnion block has become dis-lodged on the small pin end of the shipper shaft, allowing the PTO clutch to wear into the small pin, rendering it unable to properly operate the clutch.

There are operators among you who do not understand that a trunnion block is needed to shift the PTO or have unwittingly lost the block in the gear case while changing attachments. If you are having trouble shifting the PTO clutch, this may be the cause.

This is an equivalent replacement of the OEM item.

Other Shipper Shaft Related Items:

Thank you for looking to Cogan Valley Machine for your quality Gravely after-market parts.

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