b61mack Posted December 30, 2010 Share Posted December 30, 2010 I came acrossed a 98 Mack frame with hendrickson built Mack airride,Mack rears for $1000.00 it has i think (can't hardly read it) 3.65 gears. would 3.65 rears be too high for a 237-300 with a 10 speed 1070 Mack or a 10 speed direct roadranger,can anyone tell what ratio by the vin# 1M1AA18YXWW081869. it had a 454 in it dont know what transmission. Thanks Ron Quote Link to comment https://www.bigmacktrucks.com/topic/17066-mack-airride/ Share on other sites More sharing options...
David Posted December 31, 2010 Share Posted December 31, 2010 A quick and easy way to look at this is to consider the RPM's at 60 MPH.Final drive ratio X tire revs per mile = RPM's at 60 MPH.3.65 X 1.00 (direct trans.) X 499 (11.00/22.5) = 1821 RPM at 60 MPH. Quote Link to comment https://www.bigmacktrucks.com/topic/17066-mack-airride/#findComment-69454 Share on other sites More sharing options...
rhasler Posted December 31, 2010 Share Posted December 31, 2010 I came acrossed a 98 Mack frame with hendrickson built Mack airride,Mack rears for $1000.00 it has i think (can't hardly read it) 3.65 gears. would 3.65 rears be too high for a 237-300 with a 10 speed 1070 Mack or a 10 speed direct roadranger,can anyone tell what ratio by the vin# 1M1AA18YXWW081869. it had a 454 in it dont know what transmission. Thanks RonThat VIN shows 3.65 rear axles. From a 1997 CH613 with T2180 transmission. Quote "Mebbe I'm too ugly and stupid to give up!" Link to comment https://www.bigmacktrucks.com/topic/17066-mack-airride/#findComment-69455 Share on other sites More sharing options...
b61mack Posted January 2, 2011 Author Share Posted January 2, 2011 That VIN shows 3.65 rear axles. From a 1997 CH613 with T2180 transmission.Thanks guys for the information. rhasler i thought it looked like 3.65, the way they mark the newer ones with all those little punch marks its hard to tell. i was thinking about buying it to put under my other B Model, dose anyone know if $ 1000. sounds like a desent price, it looks to be in good shape. Thanks again Ron Quote Link to comment https://www.bigmacktrucks.com/topic/17066-mack-airride/#findComment-69653 Share on other sites More sharing options...
David Posted January 3, 2011 Share Posted January 3, 2011 Thanks guys for the information. rhasler i thought it looked like 3.65, the way they mark the newer ones with all those little punch marks its hard to tell. i was thinking about buying it to put under my other B Model, dose anyone know if $ 1000. sounds like a desent price, it looks to be in good shape. Thanks again Ron$1000 is a real good price. Let me know if you don't buy it, I will. Quote Link to comment https://www.bigmacktrucks.com/topic/17066-mack-airride/#findComment-69656 Share on other sites More sharing options...
b61fred Posted January 3, 2011 Share Posted January 3, 2011 The price sounds very fair to me, That should cruise along ok with that much horsepower. Are you use a direct transmission (no overdrive)? Morgan Quote 15 gears...no waiting! Link to comment https://www.bigmacktrucks.com/topic/17066-mack-airride/#findComment-69689 Share on other sites More sharing options...
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