FASCINATION ABOUT D3B CAT DOZER

Assess head gasket $ and you may buy a Deere any working day as Cat will get $ insane on some parts .Digitup.i just purchest a d3b & possess the same dilemma with theleft pedal sticking I'll try out oil to-morrow . I've a question. can it be normal for any loud deisel knock?thanks for virtually any information on this cat.don.The Oil Clutch kind of