Modern Mack Truck General Discussion

2,667 topics in this forum

1. EXCITED! RD888 RESTORATION PROJECT UNDERWAY

   By Louis M Badalamenti, August 23, 2023
   • 12 replies
   • 1.5k views
   • 
   • mowerman
   • September 8, 2023

2. 2004 Mack Ch613 limiting to 1300 rpm

   By Landen, August 23, 2023
   • 2 replies
   • 657 views
   • 
   • Landen
   • August 31, 2023

3. UP pumps

   By Paulieflyer2, August 12, 2023
   • 6 replies
   • 768 views
   • 
   • Joey Mack
   • August 20, 2023

4. Def

   By Xe18, August 10, 2023
   • 5 replies
   • 506 views
   • 
   • tjc transport
   • August 11, 2023

5. get rid of the 24" tires or buy a set of new 12.00R24 tires?

   By Fred Goodwin, February 2, 2014
   • 15 replies
   • 4.5k views
   • 
   • Will47
   • August 10, 2023

6. 2014 mack chu613

   By dirtys diesel, August 8, 2023
   • 1 reply
   • 361 views
   • 
   • Mad Ram Trucking
   • August 9, 2023

7. 2016 pinnacle

   By Xe18, August 8, 2023
   • 2 replies
   • 523 views
   • 
   • Xe18
   • August 8, 2023

8. LRU AC constant problems

   By DocWC, April 30, 2019
   • 10 replies
   • 4.9k views
   • 
   • Joey Mack
   • July 28, 2023

9. UPS and Mack 1 2

   By upsguy, January 19, 2019
   • 43 replies
   • 9.4k views
   • 
   • doubleclutchinweasel
   • July 20, 2023

10. 1992 Mack CH 613 No Power

    By msbulldog601, July 11, 2023
    • 8 replies
    • 553 views
    • 
    • Joey Mack
    • July 18, 2023

11. Anyone wanna help me find a motor?

    By Bas00, July 11, 2023
    • 2 replies
    • 446 views
    • 
    • Mark T
    • July 12, 2023

12. Drl Question?

    By QCDriver, February 17, 2007
    • 9 replies
    • 9.8k views
    • 
    • Mackpro
    • July 12, 2023

13. Questions on split year 2007 MP7 engine?

    By Bas00, July 7, 2023
    • 1 reply
    • 415 views
    • 
    • Mackpro
    • July 8, 2023

14. Code spn 251 fmi 2

    By Concrete cowboy, July 6, 2023
    • 3 replies
    • 1.4k views
    • 
    • Mackpro
    • July 7, 2023

15. MRU613 2015

    By oscar8612, July 5, 2023
    • 2 replies
    • 387 views
    • 
    • oscar8612
    • July 6, 2023

16. Exhaust temp not reading

    By deerehauler, June 13, 2023
    • 2 replies
    • 668 views
    • 
    • deerehauler
    • July 5, 2023

17. Are The Wiring Diagrams for Automatic and Manual GUs Different?

    By KKRT, July 3, 2023
    • 0 replies
    • 328 views
    • 
    • KKRT
    • July 3, 2023

18. Help the 10 speed in my 2006 cxn will not go to hi range

    By cowboy jeff, June 16, 2023
    • 6 replies
    • 866 views
    • 
    • Mackpro
    • June 30, 2023

19. Hi. How much work and swearing is involved in swapping the mertinour 10. Speed for a 18 speed modern transmission?

    By cowboy jeff, June 30, 2023
    • 0 replies
    • 349 views
    • 
    • cowboy jeff
    • June 30, 2023

20. 2016 Pinnacle Wiper not working.

    By Coasta101, June 21, 2023
    • 3 replies
    • 615 views
    • 
    • upsman
    • June 29, 2023

21. Swapped Allison to 13 Speed In My GU713, But Truck Will Not Start 1 2 3

    By KKRT, June 15, 2023
    • 53 replies
    • 3.2k views
    • 
    • KKRT
    • June 25, 2023

22. Blower motor issue (heat / a/c )

    By Concrete cowboy, March 22, 2022
    • 7 replies
    • 11.3k views
    • 
    • Joey Mack
    • June 23, 2023

23. 2013 MP-7 Pushing Coolant out of Fill Cap

    By BuckeyeFloridian, June 16, 2023
    • 0 replies
    • 469 views
    • 
    • BuckeyeFloridian
    • June 16, 2023

24. Really Strong CH 1 2

    By Bullheaded, February 25, 2023
    • 39 replies
    • 3.3k views
    • 
    • Bullheaded
    • June 14, 2023

25. HEADLIGHT ISUE

    By GPWS, March 13, 2023
    • 1 reply
    • 505 views
    • 
    • Todd71106
    • June 10, 2023