A seal kit to rebuild a leaky hydraulic cylinder is always cheaper than the cost of a new cylinder. But there are times when it is more economical (not necessarily cheaper) to install a new cylinder.
Rebuilding the hydraulic pump and improving the direct start system on my Caterpillar D4-7U! A crucial step toward full restoration. #CaterpillarD4 #DozerRebuild #HeavyEquipment DOJ releases ...
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