mhannigan41 Posted November 16, 2016 Share Posted November 16, 2016 Recently purchased a 1980 Mack R series Rescue Truck. I will be requesting information from the Mack Museum soon, but want to change the fluids now and I would like to know the capacities of the fluids, oil, water/antifreeze, transmission. Truck serial # R611FC-1057, motor type ETZ673 ( might be RTZ673, my copy not too clear). Transmission is a HT-740D. It is a diesel motor with a turbocharger Thank you Mike Hannigan 1 Quote Link to comment Share on other sites More sharing options...
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