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catmastertech
catmastertech, Technician
Category: Construction and Road Equipment
Satisfied Customers: 2243
Experience:  Field service technician for CAT 19 years.
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I have a 1960 12E motor grader just rebuilt hyadraulic pump

Customer Question

I have a 1960 12E motor grader just rebuilt hyadraulic pump and have good pressure but gear box levers in cab wont activate pto drives. Small cover plate on column below steering wheel . Can see flat round disc turning but doesn't turn upper shaft going into gear box. Is there a linkage that may have gotten undone?
Submitted: 10 months ago.
Category: Construction and Road Equipment
Expert:  catmastertech replied 10 months ago.

Yes, your shear pin has failed. Try part number 2D-5511 from your CAT dealer. It goes into the disc to lock the drives together.

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