Grettings everybody. Buddy has a Cat 931 78U pulled trans,new clutches and seals,air test showed it was holding pressure as per manual. pump makes a great deal of pressure,and crawler only moves a little bit and stops. had valve body rebuilt/inspected and no cracks. machine has been sitting a while,and cat guy that loaned us the dealer manual has long ago retired. so tring to resume project,having a little trouble finding any info regarding this machine for a decent price. any suggestions?
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