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Title: oliver oc12-60-d
Post by: jeffry coghill on December 13, 2002, 01:51:14 AM

I just purchased an oc12 and the book that came with it said tha it should have a diesel eng. But it has a hurc. gasser. have i fallen into a nightmare? any input will greatly appreciated jeff

Title: oc12
Post by: jeffry coghill on December 13, 2002, 02:22:49 AM

newbie ser#for the oc12-60-d is 2jx186 any info ? tanks

Title: oc 12 60 D
Post by: Harvey Havens on December 13, 2002, 02:32:55 AM

Jeffry yes oliver did build oc12,s with gas engine,s my book show,s they mfg. 1955 to 1960 both gas and diesel the diesel started in 1954 to 1961 this is what my book show,s hope this will help H H

Title: OC 12
Post by: Robert Barbour on December 13, 2002, 03:00:38 AM

Your OC12 2JX186 was made in 1955 with a diesel engine. The gas engine version had 1JR serial numbers so the engine has been changed. The gas engines that were used had a bore of 4" and stroke of 4.5" for 339 cu in. In Nebraska test no. 548 it pulled 54.64 belt horespower and 39.98 drawbar horsepower. Other engines may fit as well, Hercules usuallay had a data plate on them with model and bore and stroke.

Title: oc12
Post by: jeffry coghill on December 14, 2002, 07:35:52 PM

thanks for the info , will be a great help. the crawler runs great it has a few minor maintenance problems but is ready to go. thanks again jeff

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Cletrac Tractor Discussion => All Models Except HG, OC-3, OC-4 & General => Topic started by: jeffry coghill on December 13, 2002, 01:51:14 AM