Detroit Diesel Grain Truck

1971 GMC 9500 with a 6-71 inline detroit diesel. Heading home empty winding through the gears.

26 Responses to Detroit Diesel Grain Truck

  1. calmatosport January 6, 2009 at 4:07 pm #

    why is it revving so high? and why in neutral?

  2. 720diesel January 8, 2009 at 2:28 am #

    Max rpm is only 2400, it just sounds fast because it is a Detroit. The fast rev in neutral was to build air pressure because I was in a hurry.

  3. cangurosw January 26, 2009 at 12:16 am #


  4. Bkrites February 4, 2009 at 5:30 pm #

    yea a Detroit will sound like its runnin at about 9 grand when its only at 1600 rpm. love those old Screamin Deamons

  5. waldir1971 February 26, 2009 at 7:12 pm #

    detroit engine is very good.

  6. 454apache March 1, 2009 at 12:02 am #

    I’m going to put one of these in my 1946 chevy grain truck. I love the sound of these monsters running through the gears.

  7. cadets318 April 22, 2009 at 1:26 am #

    Sounds like a fuckin skidder with a big ole twitch of rock maple behind her, roll on my friends, roll on..

  8. indyboom May 11, 2009 at 12:28 am #

    i bet the dumbass thinks itll get air quicker when anything over 1200 rpm is a waist

  9. Deadairshow July 18, 2009 at 12:51 am #

    My grandpa has one of this grain trucks. Those 2 stroke diesel engines sound like beasts. The sound scared the pants off of me when I was a kid. I love driving it and I am always looking at the tach. A 400-500 rpm range is all that type of engine has from idle to max rpm. Looks great and Sounds Great.

  10. besteci1 August 3, 2009 at 2:54 pm #

    fantastic noise!

  11. besteci1 August 4, 2009 at 8:26 am #

    someone help me to find specs about this trucks, please! i cannot find out even its model name…

  12. Rheems1 August 18, 2009 at 10:09 pm #

    I could listen to that all day long and never grow tired of the sound of a 2 stroke Detroit. This one sounds exactly like our tanker….well not exactly… most of the time in that pull out one of the drivers would have missed a gear or ground it (why they put a 10 speed Roadranger in a fire truck I will never know!). I love those old beastly Chevy C-90/GMC 9500 chassises too, I wish to God I could find one (with either the 6’71 or a 6’53).

  13. midell2007 August 23, 2009 at 11:23 pm #

    the 671 was a made a lot of noise but couldnt pull out of its own smoke with a load on it.

  14. bigchevy80 September 10, 2009 at 11:13 pm #

    It says in the description. 1971 GMC 9500…

  15. Davobeff September 19, 2009 at 6:10 am #

    yes they were very i efiecent.

  16. DieselMechanic09 September 21, 2009 at 11:54 pm #

    yeah you’re right…the 6-71 was high revving, but lacked low-end torq

  17. Cosmo0203 October 3, 2009 at 6:44 pm #

    You gotta love the sound of a ol detroit

  18. MrFWDSeagrave October 18, 2009 at 6:48 pm #

    Watch any of the “Screaming Old Detroit” videos and see what you think.

  19. CJO740 November 8, 2009 at 5:19 am #

    Good old screamin jimmy, post an in cab shot running through the gears. Great engine and truck.

  20. ronscons November 30, 2009 at 10:47 pm #

    I got a 1973 GM JH9500 w/8v71, 9513 over, 38’s [4.44] on Reyco– good solid truck but pretty light d/line- hauled lots dirt with it- noisy though and not easiest on fuel- engine was virtually unbreakable

  21. ronscons November 30, 2009 at 10:48 pm #

    Rheems1– mine is for sale

  22. LackoFarms January 13, 2010 at 4:04 am #

    nothing like the scream of an old detroit!

  23. urbandestruction January 26, 2010 at 9:20 pm #

    obviously you dont know how to drive it 😛 did you ever try driving it like you stole it? 🙂

  24. funnyfarm123456 February 21, 2010 at 6:00 am #

    dont you know your shopost to back up before go ahead on down the road…… all trucks have more torq in reverse

  25. bansheekidd99 March 7, 2010 at 4:47 am #

    this dude sucks at driving a truck

  26. lil bubba April 9, 2010 at 12:21 am #

    mydad used to drive one and on sat. i couldnt wait too hear him coming

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