1855 rear end lube pump

CDN 400

Member
Does the lube pump drive off of the input shaft? The reason I ask is because I want to start it without installing the IPTO shaft. I just finished an overhaul and want to light it before I put all the steering and hydraulic lines back on so it easier to do a retorque and valve reset.
 
Correct me if I am wrong, but the long shaft from the pressure plate that goes to the pto in the back drives the transmission lube pump on all the 55 series tractors I have worked on. It slides through a splined collar with a small gear on it. That gear works with a drive chain to turn the lube pump. We had to fix one where the drive chain had fallen off.
 

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