67RModel Posted 3 hours ago Share Posted 3 hours ago No affiliation. Just passing along an upcoming auction listing I saw for a pretty scarce model of MH. Not too often you see an MH with factory "big power". Would be a nice unit for someone looking to run an MH or vintage cabover with good specs for contemporary times. 1985 MACK MH633 Upcoming Auctions in Washougal, Washington | Equipmentfacts Quote Link to comment https://www.bigmacktrucks.com/topic/76381-1985-mack-mh633/ Share on other sites More sharing options...
Geoff Weeks Posted 2 hours ago Share Posted 2 hours ago Likely a Big Cam 3, Could possibly be a Small Cam Magnum, I can't see enough of the cam follower covers to know. Would be nice to know axle and ratio. Talk about rode hard and put up wet. A little cleaning would make it sell better. Quote Link to comment https://www.bigmacktrucks.com/topic/76381-1985-mack-mh633/#findComment-590736 Share on other sites More sharing options...
The Heinz Posted 2 hours ago Share Posted 2 hours ago Big Cam III 400HP, Fuller RTO14613, 4.10 Rockwell/Meritor rears. Their fault for providing a VIN haha. 1 1 Quote Link to comment https://www.bigmacktrucks.com/topic/76381-1985-mack-mh633/#findComment-590739 Share on other sites More sharing options...
Geoff Weeks Posted 2 hours ago Share Posted 2 hours ago Engine is obviously a replacement/reman, but that does help with axle ratio, unless those also have been replaced. Quote Link to comment https://www.bigmacktrucks.com/topic/76381-1985-mack-mh633/#findComment-590740 Share on other sites More sharing options...
67RModel Posted 1 hour ago Author Share Posted 1 hour ago (edited) 41 minutes ago, The Heinz said: Big Cam III 400HP, Fuller RTO14613, 4.10 Rockwell/Meritor rears. Their fault for providing a VIN haha. is the Neway air ride factory? Edited 1 hour ago by 67RModel Quote Link to comment https://www.bigmacktrucks.com/topic/76381-1985-mack-mh633/#findComment-590744 Share on other sites More sharing options...
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