Hello I have a 1963 International 460 utility loader backhoe diesel I was able to find service manuals on the tractor and a parts manual on the loader backhoe.but would like a service manual also it is a connomatic-pippin 360h backhoe and 335h front loader.a tag on the backhoe says it was made by the CONN-PIPPIN MICHINE CO.WINSOR VERMONT. I have a oil leak at the valve body of the hoe that I would like more info on before I guess it apart ????? any help would be great