Engine and Transmission

6,348 topics in this forum

1. 1978 Mack 12 speed

   By Ringer_2u, July 2, 2015
   • 1 reply
   • 1.4k views
   • 
   • Swishy
   • July 2, 2015

2. 12 SPEED AIR REGULATOR

   By GOOG, June 30, 2015
   • 6 replies
   • 2.7k views
   • 
   • mrsmackpaul
   • July 2, 2015

3. Air line diagram 1989 Mack rd680

   By markvanalstine, July 1, 2015
   • 0 replies
   • 999 views
   • 
   • markvanalstine
   • July 1, 2015

4. mack cxu613 2009

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

5. 1996 DM 688 idles low

   By mackone, June 27, 2015
   • 3 replies
   • 1.5k views
   • 
   • mackone
   • June 30, 2015

6. 3-4 code

   By hatcity, June 27, 2015
   • 3 replies
   • 1.8k views
   • 
   • hatcity
   • June 28, 2015

7. le seires trash truck radiator

   By trashmack, June 18, 2015   

   • radiator
   • 1 reply
   • 1.6k views
   • 
   • TRH
   • June 28, 2015

8. MP8 no start after rebuild

   By jester, June 19, 2015   

   • starter relay kicks out
   • 5 replies
   • 1.9k views
   • 
   • TRH
   • June 28, 2015

9. oil pressure valve or not

   By foxtrot1, June 26, 2015
   • 2 replies
   • 1.1k views
   • 
   • Macktech689
   • June 27, 2015

10. Etech out... Mechanical in... I hope

    By Ahubbard, June 22, 2015
    • 4 replies
    • 1.7k views
    • 
    • Timmyb
    • June 26, 2015

11. boost pressure 300+

    By b61mack, June 1, 2015
    • 8 replies
    • 2.4k views
    • 
    • b61mack
    • June 25, 2015

12. Tri-axle dump ENDT 675 Needs a boost

    By Deere Mack, May 26, 2015
    • 16 replies
    • 2.9k views
    • 
    • Deere Mack
    • June 24, 2015

13. TR321 Shift Lever Screws

    By firenut, June 23, 2015
    • 1 reply
    • 1k views
    • 
    • 41chevy
    • June 23, 2015

14. Broken (melted) piston ledge x 2 times 1 2

    By Mcrafty1, May 4, 2015
    • 33 replies
    • 5.8k views
    • 
    • Mcrafty1
    • June 23, 2015

15. Can anyone explain difference between Mack TC15 and TC25 transfer cases

    By 251work, June 22, 2015   

    • transfer case DM 6x6 o
    • 1 reply
    • 3.1k views
    • 
    • kscarbel2
    • June 23, 2015

16. 673 rack stuck

    By dieselerock, June 19, 2015
    • 1 reply
    • 1.4k views
    • 
    • Maddog13407
    • June 21, 2015

17. crankshaft

    By dbl612, June 18, 2015
    • 5 replies
    • 1.4k views
    • 
    • dbl612
    • June 20, 2015

18. Fuel Pressure Drop

    By thelosttwins, June 17, 2015   

    • Fuel Pressure Problem Drop
    • 2 replies
    • 1.1k views
    • 
    • bbigrig
    • June 17, 2015

19. 400hp E7 ETECH VMAC III losing coolant

    By mackncheese, June 17, 2015
    • 3 replies
    • 1.5k views
    • 
    • mackncheese
    • June 17, 2015

20. injection timing 94 E7 350.

    By mackmanb61x, June 15, 2015
    • 2 replies
    • 2.1k views
    • 
    • theakerstwo
    • June 16, 2015

21. Injection pump setting, maxidyne vs. thermodyne 1 2 3

    By b61fred, March 31, 2015
    • 51 replies
    • 11.8k views
    • 
    • Maddog13407
    • June 15, 2015

22. MIDLINER ENGINE LUBRICATION

    By JRIC612, June 13, 2015
    • 0 replies
    • 653 views
    • 
    • JRIC612
    • June 13, 2015

23. tc 25 transfer case

    By 251work, June 12, 2015   

    • uses 6x6 all wheel drive year
    • difference tc15 n tc25
    • 0 replies
    • 1.4k views
    • 
    • 251work
    • June 12, 2015

24. 711 to 237 clutch/fly wheel ?

    By mackmb212, June 9, 2015
    • 2 replies
    • 1.2k views
    • 
    • mackmb212
    • June 10, 2015

25. I need meds to deal with this truck. Boost problem

    By Bdenney, June 2, 2015
    • 8 replies
    • 10.2k views
    • 
    • 29Bowtie
    • June 9, 2015