suejoe6174 Posted October 21, 2012 Share Posted October 21, 2012 Just bought a 1963 B 61 mack with a 673 engine. Would like to know the engine oil capacity, the correct oil filter #'s and the correct wgt oil. The truck came out of New England and is now in Southern Florida. Any other filter #'s if needed also.What is the radiator capacity I would like to drain the antefreeze to.In need of a headlight switch---- hinges for glove box and lock----- speedometer gauge----- 2 door locks Quote Link to comment https://www.bigmacktrucks.com/topic/27916-673-engine-oil/ Share on other sites More sharing options...
theakerstwo Posted October 21, 2012 Share Posted October 21, 2012 If your in warm climate then run 30W or 15W 40 is ok. The oil filter is mack# 236GB311A Dont remenber the fuel filter#4 gal of antifreze would be engough for yor state. Quote glenn akers Link to comment https://www.bigmacktrucks.com/topic/27916-673-engine-oil/#findComment-142558 Share on other sites More sharing options...
RAYCO Posted October 29, 2012 Share Posted October 29, 2012 Just did an oil change 14.5gallons of delo400le I used napa filters, not sure on rad. cap. we use delo400le in everything. Quote Link to comment https://www.bigmacktrucks.com/topic/27916-673-engine-oil/#findComment-143647 Share on other sites More sharing options...
mowerman Posted October 29, 2012 Share Posted October 29, 2012 think those older motors only hold 7 gallons,,atleast thats what my 66 holds...good luck bob Quote Link to comment https://www.bigmacktrucks.com/topic/27916-673-engine-oil/#findComment-143652 Share on other sites More sharing options...
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