eddeere Posted January 17, 2017 Share Posted January 17, 2017 (edited) Looking thru the trucks for sale papers I see Superliner trucks advertised as RW 712, 713, 721 ,722, 733, 753, 755, 766, 767, 786, 795, & 797. I guess the 7 is the weight class. Does anyone have a short and easy explanation on the other numbers. Thanks. Edited January 17, 2017 by eddeere corection Quote Link to comment Share on other sites More sharing options...
jackb61sx Posted January 17, 2017 Share Posted January 17, 2017 The Superliner RW753 in the case of mine the, 700 is the series and the 53 is the engine in it from the factory, so my RW753 has a Cat 3406B in it. Quote Link to comment Share on other sites More sharing options...
eddeere Posted January 17, 2017 Author Share Posted January 17, 2017 Thanks . I have seen other RW 753 trucks and all seem to have the Cat engines. Quote Link to comment Share on other sites More sharing options...
Bistrians Billy Mack Posted January 17, 2017 Share Posted January 17, 2017 Mack used to list their chassis by specific model #'s. For example: RWS786LST was a SuperLiner, tandem axle, ENDT676 (285hp) Maxidyne engine & tractor configuration. The 'RW' at the beginning was when Mack started building the SuperLiner @ the Hayward California assembly line to replace the RL/RS 700 western models. So if you went back to the 70's before SuperLiner production started, the same truck would've been RS786LST or RL786LST if it had aluminum frame rails. Once the RS/RL 700 models were discontinued, they used the RW for the SuperLiner. The last 2 numerical digits in the model # designated the engine. Some examples: RWS753LST and RWS754LST were SuperLiner chassis with a 3406 engine RWS788LST were SuperLiner chassis with Mack 350 engines RWS767LST were SuperLiner chassis with Cummins engines And for an Allentown built 'R' model, something like an R795ST would be an R700 tandem axle chassis, tractor configuration with the ENDT-865 Maxidyne V-8 engine. Later year productions, Mack changed over to simply RW712 (single axle chassis), RW713 (tandem axle chassis). The specific vehicle specs were included in the VIN. The SuperLiner also had a lighter version (smaller frame rails, limited axle sizes, etc.) & was the RW613 model usually found in tractor applications. The RW713, having heavier frame rails & more options for heavier drive train components, were heavy-haul tractors, dump trucks, etc. Hope you're not totally confused by now but if you need any other info, don't hesitate! Quote Link to comment Share on other sites More sharing options...
eddeere Posted January 18, 2017 Author Share Posted January 18, 2017 Thanks. I was born confused. But now I know more than I did. 1 Quote Link to comment Share on other sites More sharing options...
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