KP2 Posted 14 hours ago Share Posted 14 hours ago I have been searching for manuals and wiring diagrams for my truck and the only ones I see(manuals) that may work are on eBay. The manuals are for a R600 truck. I am thinking that this is the 600 series and would include the RD688. Don’t want to buy the wrong manuals so any advice would be appreciated. Thanks. Quote Link to comment https://www.bigmacktrucks.com/topic/76232-1992-mack-rd688s-manuals/ Share on other sites More sharing options...
Joey Mack Posted 6 hours ago Share Posted 6 hours ago As far as manuals go, the engine, trans, and rears are seperate and generic for lack of a better word. The engine is a E-7 350, dont know the trans, the rears are likely 92/93 series. As far as wiring, I dont know what book that would be. If you have a 200 series mack transmission, i have the book for it, drive shaft, and the rears. I dont have an extra E-7 book. Quote Link to comment https://www.bigmacktrucks.com/topic/76232-1992-mack-rd688s-manuals/#findComment-587027 Share on other sites More sharing options...
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