Random question...

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parkland

New member
Sorry to interrupt everyone's day,

This is just a discussion some friends and I were having,

On a p7100 pump or similar setups, does anyone have a general idea how much torque the shaft needs to run the pump?
Obviously would change depending on the pump and how much fuel it's pushing and everything else.
Does the drive gear ever have a tendency to wear with big pumps? Shafts ever snap?
I did a fair bit of searching and have the impression that the pump and geat etc driving it are strong enough to handle everything without being a weak point, but really can't find much info.
 
I've heard mention the bigger pump test stands are 35hp.
As far as gear wear or shafts breaking, bullet proof there.
Weak link on the drive system is the camshaft nose.
 
By engine camshaft nose I assume the end where the gear attaches?
35 hp is a huge amount of tq at half engine rpm ��
 
i THINK pdd had issue with snapping the ppump shaft right at the base of the gear on there ucc truck,they came up with a timing case cover that held a support bearing to eliminate the torsional twist created by the gear. but that was only caused by running seths biggest pump that was created just for that truck i think
 
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