JDcrawlers Messageboard

hi i would like to know the torque spec. on head bolts on a 450B and valve lash.can anyone help.thanks

thanks for the help,i changed the oil 4 days ago and never worked the machine.so i pulled the oil drain plug and about 3 liters of antifreeze came out before i got oil.the engine run great,no smoke or knocks starts easy.i got this machine cheap because the steering clutch were stuck.not looking fowa...

hi i got a 1971 450B dozer,i just got this machine it has been sitting for about 8 years.i changed the oil and found antifreeze in the oil.where could it be comming from?thanks