Engine and Transmission

6,559 topics in this forum

1. Turbo downpipe flange.

   By CF-Firefighter, March 14, 2025
   • 0 replies
   • 483 views
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   • CF-Firefighter
   • March 14, 2025

2. MP7 no power

   By Sharp1227, January 26, 2025
   • 14 replies
   • 1.9k views
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   • Sharp1227
   • March 12, 2025

3. E-tech Powerleash to Jacobs brake

   By jervn4, March 10, 2025
   • 0 replies
   • 558 views
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   • jervn4
   • March 10, 2025

4. Clutch fan problem

   By mcratchet1, January 30, 2025
   • 10 replies
   • 1.6k views
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   • mechohaulic
   • March 6, 2025

5. E401 gas starter

   By farmtime, March 4, 2025
   • 2 replies
   • 605 views
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   • Brocky
   • March 5, 2025

6. Converting e7 400 back to mechanical 1 2 3

   By SelfloaderMack, October 7, 2024
   • 62 replies
   • 7.5k views
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   • The Heinz
   • February 28, 2025

7. Fuel supply pump breaking off injection pump

   By 88Mack300e6, February 27, 2025
   • 4 replies
   • 750 views
   • 
   • fjh
   • February 28, 2025

8. Mack EM6 300 Valve cover bolt torque?

   By Manwithaplan, February 27, 2025
   • 2 replies
   • 645 views
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   • Manwithaplan
   • February 27, 2025

9. Engine Running Backwards

   By 67RModel, February 11, 2025
   • 21 replies
   • 2.7k views
   • 
   • jzack
   • February 27, 2025

10. Can I put a charge air cooled E6-350 in a Steel Nose RD 686?

    By jeff20878, June 23, 2014
    • 20 replies
    • 6.9k views
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    • Elephant ears
    • February 25, 2025

11. 1993 E7 350 puff limiter location

    By Bulldawg1981, February 23, 2025
    • 4 replies
    • 786 views
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    • Bulldawg1981
    • February 24, 2025

12. E9 air clutch information

    By Old Macks, February 23, 2025
    • 0 replies
    • 472 views
    • 
    • Old Macks
    • February 23, 2025

13. TURBO HELP NEEDED: 91 E7350 Turbo part numbers

    By HaabHauling, February 20, 2025
    • 5 replies
    • 782 views
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    • Adkat
    • February 22, 2025

14. 237 oil pan gasket

    By Mvnut, February 21, 2025
    • 2 replies
    • 612 views
    • 
    • Mvnut
    • February 22, 2025

15. Size of casting/freeze plugs in E9 heads

    By stutz 712, February 19, 2025
    • 0 replies
    • 468 views
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    • stutz 712
    • February 19, 2025

16. Bosch APE pump settings

    By SuperB, February 16, 2025
    • 12 replies
    • 1.5k views
    • 
    • Joey Mack
    • February 19, 2025

17. 2004 E7 E-Tech

    By Tyler97, February 18, 2025
    • 13 replies
    • 1.1k views
    • 
    • Joey Mack
    • February 19, 2025

18. 2004 Mack Granite blowing oil from the return tube 1 2

    By RollOffKing270, August 8, 2024
    • 39 replies
    • 3.5k views
    • 
    • fjh
    • February 18, 2025

19. E7 ETECH Powerleash/Dynatard

    By jervn4, February 14, 2025
    • 9 replies
    • 1.5k views
    • 
    • Adkat
    • February 15, 2025

20. Threaded coolant plugs

    By SuperB, February 7, 2025
    • 2 replies
    • 721 views
    • 
    • SuperB
    • February 8, 2025

21. Sell or Scrap T2090

    By 1951 Mack LJ, February 4, 2025
    • 8 replies
    • 1k views
    • 
    • JoeH
    • February 7, 2025

22. Pressure in cooling system

    By Dirt Farmer Mechanic, January 27, 2025
    • 10 replies
    • 995 views
    • 
    • Joey Mack
    • February 2, 2025

23. 2017 MP8 HP upgrade

    By Coasta101, February 2, 2025
    • 0 replies
    • 508 views
    • 
    • Coasta101
    • February 2, 2025

24. 2016 Mack Cxu613 MP8

    By 218mack, February 1, 2025
    • 1 reply
    • 812 views
    • 
    • 218mack
    • February 1, 2025

25. What engine brake do I have? 1 2

    By BronsonA2150, January 24, 2025
    • 36 replies
    • 3k views
    • 
    • fjh
    • January 31, 2025