14cxu613 Posted March 25 Share Posted March 25 I know it’s been discussed but I can’t find it. Can someone explain the 685lst for me? I know the f is the model but the rest is greek Quote Link to comment Share on other sites More sharing options...
Hans Remmers Posted March 25 Share Posted March 25 On 10/18/2017 at 9:04 PM, 41chevy said: Chassis numbers (GVW Rating): 4xx - 6xx - 7xx - 8xx - Note: the xx is the place holder for the engine code. Examples R607 END673 R609 END711 R611 ENDT673C R612 ETAZ673 (300+) R615 END864 V8 R626 6v92 Detroit R685 ENDT675 (237 Maxidyne) R686 ENDT676 (300 Maxidyne) R688 E6350 R719 ENDT864 V6 R795 ENDT865 V8 R797 ENDT866 V8 R747 290 Cummins R763 335 Cummins R767 350 Cummins T - Tractor S - Six wheel chassis L - Light weight components RS7xxLS as our example: R = R model S = an S after the R indicates it has a steel frame. This was a western Hayward thing i believe. 7 = has to do with the chassis GW rating. 800/900 series were extra and super heavy duty chassis. XX = these two numbers are engine codes. L = Hayward models had this letter to denote the cab used light weight components like aluminum doors. S = six wheel tandem chassis. so essentially it is a 6x4 chassis. Another example RW613: The W stands for Western and together with the R means a superliner or RW. 13 is a Cummins NTC engine. If there is an SX after the number code like R600SX it means you have a heavy duty tandem X - Extreme duty This was the first thing I found to help you 2 Quote Link to comment Share on other sites More sharing options...
Draggin Wagon Posted March 26 Share Posted March 26 2nd and 3rd digit (85) = ENDT 675 engine L= light weight or weight reduced, some aluminum components used S = six wheel (tandem) T = tractor l 2 Quote Link to comment Share on other sites More sharing options...
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