Engine and Transmission

6,403 topics in this forum

1. Fix for low power at low rpm

   By MVision, November 16, 2015
   • 9 replies
   • 4.7k views
   • 
   • Mack Doctor Jr.
   • November 21, 2015

2. 3 Robert Bosch injectors needed

   By ranchhopper, November 20, 2015
   • 0 replies
   • 934 views
   • 
   • ranchhopper
   • November 20, 2015

3. Exhaust seal/gasket help

   By 68-f-model, November 18, 2015
   • 0 replies
   • 865 views
   • 
   • 68-f-model
   • November 18, 2015

4. Diesel fuel additive

   By Monk31, November 15, 2015
   • 23 replies
   • 3.7k views
   • 
   • Monk31
   • November 18, 2015

5. Antifreeze questions for 711s and 673s

   By Wobblin-Goblin, November 15, 2015
   • 9 replies
   • 1.9k views
   • 
   • Wobblin-Goblin
   • November 16, 2015

6. STRAIGHT PIPES

   By GOOG, November 15, 2015
   • 19 replies
   • 4.2k views
   • 
   • Refined Trucker
   • November 16, 2015

7. Cylinder Rebuild Kit for End 711...Part # ?

   By razorback11, November 15, 2015   

   • Pistons
   • Cylinder Sleeve
   • 3 replies
   • 1.6k views
   • 
   • j hancock
   • November 15, 2015

8. maxidyne and quad

   By mackkid, November 15, 2015
   • 6 replies
   • 2k views
   • 
   • mowerman
   • November 15, 2015

9. 237 Head gasket question

   By Freightrain, November 6, 2015
   • 12 replies
   • 2.5k views
   • 
   • Maddog13407
   • November 15, 2015

10. 673 Coolant Related Question

    By medicpelle, November 14, 2015
    • 2 replies
    • 1.1k views
    • 
    • medicpelle
    • November 15, 2015

11. Triplex question

    By medicpelle, November 14, 2015
    • 1 reply
    • 1.1k views
    • 
    • j hancock
    • November 14, 2015

12. Air throttle problem

    By Kansas farmer, October 9, 2015
    • 2 replies
    • 1.6k views
    • 
    • Kansas farmer
    • November 14, 2015

13. 1954 Mack Ladder Truck

    By WHFD17, November 12, 2015   

    • Carburetor rebuild????
    • 2 replies
    • 1.5k views
    • 
    • WHFD17
    • November 14, 2015

14. 2012 Mack Granite Air Compressor

    By hrccws, October 6, 2015
    • 2 replies
    • 4.8k views
    • 
    • Mackpro
    • November 13, 2015

15. 2009 Gu713 with MP8 motor

    By R R Dean, November 6, 2015
    • 5 replies
    • 2.1k views
    • 
    • R R Dean
    • November 12, 2015

16. 2007-2011 Macks

    By Nightspear, November 9, 2015   

    • looking for info
    • 8 replies
    • 10.4k views
    • 
    • ekennedy21
    • November 11, 2015

17. Reverse shifter problem

    By Td23, November 2, 2015
    • 6 replies
    • 2.7k views
    • 
    • Monk31
    • November 11, 2015

18. Blixxton Installed

    By GOOG, November 5, 2015
    • 10 replies
    • 3.1k views
    • 
    • GOOG
    • November 11, 2015

19. Wire broken off dynatard solenoid

    By ranchhopper, November 8, 2015
    • 0 replies
    • 1.2k views
    • 
    • ranchhopper
    • November 8, 2015

20. can you shift mack 12 speed lo to direct on the go?

    By diggin dirt, June 13, 2015
    • 6 replies
    • 3.4k views
    • 
    • m16ty
    • November 8, 2015

21. 98 CH613 E7 427

    By cheech147, November 6, 2015
    • 2 replies
    • 1.6k views
    • 
    • wilbur
    • November 7, 2015

22. 237 problems

    By 66rmack, September 23, 2015
    • 11 replies
    • 2.9k views
    • 
    • 66rmack
    • November 7, 2015

23. green leakers

    By BOB DINGSDALE, October 29, 2015
    • 15 replies
    • 2.2k views
    • 
    • Brocky
    • November 7, 2015

24. How much boost?

    By GOOG, October 1, 2015
    • 11 replies
    • 3.7k views
    • 
    • farmer52
    • November 7, 2015

25. 08 pinnacle lost power

    By cobo, November 4, 2015
    • 2 replies
    • 1.1k views
    • 
    • Challenger
    • November 5, 2015