Engine and Transmission

6,249 topics in this forum

1. Pulling injectors on a 673 1 2 3 4 24

   By Craig N, November 9, 2022
   • 586 replies
   • 22.9k views
   • 
   • mowerman
   • August 26, 2023

2. Vibration that 2 mechanics and Mack dealer can’t figure out 1 2 3 4 17

   By RobM626, March 1, 2018
   • 405 replies
   • 50.8k views
   • 
   • FBGNO
   • November 18, 2020

3. Mack AI460 AI427 AMI low torque low horsepower poor fuel mileage granite , dead dog , remediation 1 2 3 4 11

   By Mack Technician, June 21, 2017
   • 270 replies
   • 65.4k views
   • 
   • 03' Big Red
   • January 29

4. 237 flywheel? 1 2 3 4 9

   By Freightrain, December 6, 2015
   • 200 replies
   • 23k views
   • 
   • Freightrain
   • June 28, 2016

5. Looking for 1979 Mack engine head 1 2 3 4 8

   By RS Disposal, September 15, 2023
   • 181 replies
   • 5.1k views
   • 
   • RS Disposal
   • January 8

6. 2018 mp7 turbo problems 1 2 3 4 7

   By mackcat12, January 14, 2018
   • 174 replies
   • 34.1k views
   • 
   • fjh
   • March 12, 2020

7. E6-285 2VH problems and solutions 1 2 3 4 7

   By allfritz123, November 9, 2023
   • 171 replies
   • 5.1k views
   • 
   • JoeH
   • April 9

8. 235 Swap 1 2 3 4 7

   By Full Floater, October 1, 2022
   • 158 replies
   • 5.8k views
   • 
   • Joey Mack
   • June 20, 2023

9. Compression test with Tech Tool 1 2 3 4 7

   By Dan107, February 18, 2022
   • 151 replies
   • 9.1k views
   • 
   • Dan107
   • March 1, 2022

10. Cylinder pressure out intake port 1 2 3 4 6

    By ChallengeDave, December 1, 2022
    • 137 replies
    • 5.5k views
    • 
    • ChallengeDave
    • December 7, 2022

11. Adding a Jake Brake to an E-tech? 1 2 3 4 6

    By gumbiegumbie, September 18, 2011
    • 125 replies
    • 14.5k views
    • 
    • tractor
    • July 6, 2022

12. Oil pressure 1 2 3 4 5

    By IGV, April 8, 2023
    • 118 replies
    • 4k views
    • 
    • IGV
    • April 27, 2023

13. 460 aset no start 1 2 3 4 5

    By SLEDOG, December 4, 2021
    • 115 replies
    • 5.6k views
    • 
    • SLEDOG
    • December 8, 2021

14. Low to mid rpm ticking sound 1 2 3 4 5

    By R.E.D, November 12, 2021
    • 114 replies
    • 6.9k views
    • 
    • R.E.D
    • September 3, 2022

15. 13 speed Fuller 1 2 3 4 5

    By Casper1988, June 19, 2017
    • 111 replies
    • 16k views
    • 
    • Ceus 19766
    • January 30, 2019

16. 1974 RD685 Dump. Please help with frame and jake issues 1 2 3 4

    By nedly05, November 11, 2012
    • 99 replies
    • 11.6k views
    • 
    • 2stacksuperdog
    • February 4, 2013

17. 300 in a B model 1 2 3 4

    By Freightrain, September 21, 2015
    • 98 replies
    • 11.1k views
    • 
    • farmer52
    • October 16, 2015

18. AI-460 cutting out 1 2 3 4

    By SLEDOG, October 27, 2022
    • 94 replies
    • 3.1k views
    • 
    • Joey Mack
    • October 31, 2022

19. 4v vs 2v interchangeability 1 2 3 4

    By Macktruckman, August 16, 2023
    • 90 replies
    • 2.7k views
    • 
    • allfritz123
    • November 9, 2023

20. Engine rebuild on a '53 B-61T: END673 1 2 3 4

    By Keith S, December 25, 2023
    • 90 replies
    • 2.1k views
    • 
    • mowerman
    • January 1

21. 1986 E6 350 Low oil pressure after rebuild 1 2 3 4

    By Mike Schilderink, March 24, 2021
    • 88 replies
    • 8k views
    • 
    • mowerman
    • May 21, 2022

22. E7 350 Turbo lag 1 2 3 4

    By rhinoo, December 7, 2021
    • 85 replies
    • 5.4k views
    • 
    • fjh
    • December 17, 2021

23. 2007 Mack CXN613 E7 low PSI Engine Oil 1 2 3 4

    By Shortdawg67, March 29, 2022
    • 85 replies
    • 6.5k views
    • 
    • Joey Mack
    • November 8, 2022

24. Mack Warranty 1 2 3 4

    By Ezrider, August 4, 2017
    • 81 replies
    • 10.3k views
    • 
    • Ezrider
    • August 27, 2017

25. Volvo/Mack Chicago training center 1 2 3 4

    By Mack Technician, November 28, 2017
    • 80 replies
    • 10.7k views
    • 
    • h67st
    • January 5, 2018