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Somerville, Indiana | Weren't the 76As dry cutting clutch and brakes and the 10K series oil cooled?..The 6D has braking in the last 2 inches of the steering lever, pulls back easily, we don't use the foot brakes much unless we are winching then all the levers and pedals seem to get overused at once...Later 6s-10K series and 6Ds don't have a cooling problem here, but they were on the other end of the design era and have been improved little by little...Easy to get more power by installing more washers in the rear section of the pump...maybe a little too easy, but it really comes to life then.
And you are right about the 6Hs and beyond being tough on the hard bar pivot...They had a 7H tore down for a pivot repair at Wild Boar Mine, pulled everything from the cab forward off the machine to get to the pivot points, straightened the bores and welded in bushings=wider contact area.
Edited by dave morgan 1/2/2011 23:00
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Anyone have a Cat D4H?
