Engine and Transmission

6,432 topics in this forum

1. 673 Headgasket

   By M54A1, June 27, 2015
   • 4 replies
   • 2.1k views
   • 
   • gvam
   • July 21, 2015

2. Thinking of buying this truck

   By mackncheese, July 20, 2015
   • 2 replies
   • 1.1k views
   • 
   • thomastractorsvc
   • July 21, 2015

3. Cummins 335

   By jimmygreek, June 23, 2015
   • 9 replies
   • 3.9k views
   • 
   • jimmygreek
   • July 16, 2015

4. E7 350 questions

   By CharlieK, July 12, 2015
   • 4 replies
   • 5.1k views
   • 
   • Dirtymilkman
   • July 13, 2015

5. E6 300 operating temps

   By Full Floater, July 12, 2015
   • 3 replies
   • 1.8k views
   • 
   • turckster
   • July 13, 2015

6. Hydraulic valve tappets in Maxidyne?

   By rightsaidfred, July 10, 2015
   • 2 replies
   • 1.3k views
   • 
   • theakerstwo
   • July 10, 2015

7. Building preasure in coolant system

   By landbdevelopers, June 28, 2015
   • 4 replies
   • 1.7k views
   • 
   • turckster
   • July 9, 2015

8. 88 superliner viberation on acceleration

   By scottwetzel, July 2, 2015
   • 9 replies
   • 1.8k views
   • 
   • mrsmackpaul
   • July 9, 2015

9. GU-713 /MP7

   By Jeff007, July 9, 2015   

   • DEF - DRATE- NO CODE -
   • 1 reply
   • 1.2k views
   • 
   • turckster
   • July 9, 2015

10. E9 head bolt threads in block

    By mawscode2, June 30, 2015
    • 3 replies
    • 1.7k views
    • 
    • TRH
    • July 5, 2015

11. 2004 Mack CX612

    By TripleC, July 1, 2015
    • 6 replies
    • 2.7k views
    • 
    • TRH
    • July 5, 2015

12. Oil bath removal help

    By Cumminspr513, July 4, 2015   

    • air filter
    • 5 replies
    • 1.5k views
    • 
    • Maddog13407
    • July 5, 2015

13. R model PTO shaft

    By Full Floater, July 2, 2015
    • 0 replies
    • 1.3k views
    • 
    • Full Floater
    • July 2, 2015

14. 1978 Mack 12 speed

    By Ringer_2u, July 2, 2015
    • 1 reply
    • 1.5k views
    • 
    • Swishy
    • July 2, 2015

15. 12 SPEED AIR REGULATOR

    By GOOG, June 30, 2015
    • 6 replies
    • 3k views
    • 
    • mrsmackpaul
    • July 2, 2015

16. Air line diagram 1989 Mack rd680

    By markvanalstine, July 1, 2015
    • 0 replies
    • 1.1k views
    • 
    • markvanalstine
    • July 1, 2015

17. mack cxu613 2009

    By gaurav2navan@gmail.com, June 30, 2015
    • 0 replies
    • 967 views
    • 
    • gaurav2navan@gmail.com
    • June 30, 2015

18. 1996 DM 688 idles low

    By mackone, June 27, 2015
    • 3 replies
    • 1.6k views
    • 
    • mackone
    • June 30, 2015

19. 3-4 code

    By hatcity, June 27, 2015
    • 3 replies
    • 1.9k views
    • 
    • hatcity
    • June 28, 2015

20. le seires trash truck radiator

    By trashmack, June 18, 2015   

    • radiator
    • 1 reply
    • 1.7k views
    • 
    • TRH
    • June 28, 2015

21. MP8 no start after rebuild

    By jester, June 19, 2015   

    • starter relay kicks out
    • 5 replies
    • 2.1k views
    • 
    • TRH
    • June 28, 2015

22. oil pressure valve or not

    By foxtrot1, June 26, 2015
    • 2 replies
    • 1.2k views
    • 
    • Macktech689
    • June 27, 2015

23. Etech out... Mechanical in... I hope

    By Ahubbard, June 22, 2015
    • 4 replies
    • 1.8k views
    • 
    • Timmyb
    • June 26, 2015

24. boost pressure 300+

    By b61mack, June 1, 2015
    • 8 replies
    • 2.7k views
    • 
    • b61mack
    • June 25, 2015

25. Tri-axle dump ENDT 675 Needs a boost

    By Deere Mack, May 26, 2015
    • 16 replies
    • 3.3k views
    • 
    • Deere Mack
    • June 24, 2015