cpgeneration Posted September 19, 2016 Share Posted September 19, 2016 Have a 1974 R model with a 350 cummins engine. the front mount rubbers are 2 piece the upper is close to 4 inches in diameter steps to 2.250 diameter and then down to 1.250 dia with a .875 hole in the sleeve. The lower is 3.750 diameter 1.125 thick id hole on the lower is 1.250 to allow it to mate with the upper mount. bolts together with .875 cap screw and large washers to crush it up. there are 2 of these mounts between the front engine mount and the cradle on the front cross member. build record does not show these mounts for what ever reason, might have been built on Friday afternoon or day before Christmas vacation. if anyone has a like truck with this style mount could you give me the part numbers of the rubbers or your chassis number so I can get some rubbers from Barry... Thank you. R-700 front mount rubber drawing.pdf Quote Link to comment https://www.bigmacktrucks.com/topic/46929-need-help-to-id-front-mount-rubbers/ Share on other sites More sharing options...
Coenut Posted September 25, 2016 Share Posted September 25, 2016 I have an ntc 290. The mounts I got from watts part number 20803176 1 Quote Link to comment https://www.bigmacktrucks.com/topic/46929-need-help-to-id-front-mount-rubbers/#findComment-346662 Share on other sites More sharing options...
cpgeneration Posted September 27, 2016 Author Share Posted September 27, 2016 Thank you. this whole project has been a puzzle... with pieces missing.. thanks for your help.. Quote Link to comment https://www.bigmacktrucks.com/topic/46929-need-help-to-id-front-mount-rubbers/#findComment-346960 Share on other sites More sharing options...
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