Brandt
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Everything posted by Brandt
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What is the key to decoding the number and letter designations for engines, trans and rears? Difference between T-1070 and TRTXL 1070 ?????????? Difference between EM6 300 4V and EM7 300 4v???? ... ?
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I can't compare it to the other ones you listed, as this is the only Mack trans I have experience with. You are correct in that it shifts like a Super10, with an additional 2 deep reduction gears. It also has 6 reverse gears and a Neutral position on the shifter(that is what got me in trouble with it). I haven't pulled the dash air switch (for the deep reduction) yet, but it goes with it. It is a .73 or .78 OD and runs out at about 70mph with 4.42 gears and 11R22.5s Text first as I don't answer calls that I don't recognize (or leave a message and I'll call back). 303 two04 three 28two
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Finding them is the problem
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Do you run up toward Philly anytime??
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I found a rebuilder in FL but nothing in MI. If you come up with a name or number - let me know. I'll trade for a good rifle or handgun!
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Is this worth $500???????
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I count 12 bolts in a circular pattern.
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I will be driving from Cody WY to the Ozarks in Dec. Possible delivery along my route. My brother may be traveling from Cody to Baltimore in Oct. He might also fly, so this isn't 100%.
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What about a 12 that needs work?
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Selling this trans. It has issues! Check this post to see if you want to tackle the issue. Otherwise it ran fine until I goofed it up. It has 239K miles on it. It is complete minus the stick (but I have the shifter knob/switches). I have no idea on the value - throw me an offer. It is located in Powell, WY and I can ship from Billings, MT 59101.
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Finally got this out and am willing to sell it. No PTO on it (my pump is driven off of the crank). I have no idea of it's value in this condition. 240K miles on it before I broke it. I'm in 82435, but can ship from 59101 too.
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Crescent Ridge shop in PA, provided my mechanic with a parts list needed. We'll see how it works out soon enough.
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99.89% of the time I leave the stick in N when I shut it off. This time I was parked on a steep grade and decided to leave it in gear. I just reached in to start it because the ground dropped away and would have required a 4' step/climb to get all the way in. I sure wish it would have lurched when I put juice to the starter, but it didn't. 15 minutes later, when I returned, the damage was done. Maybe if I wasn't as deaf as a post I would have heard a grinding noise from where I was working, but w/o hearing aids in and more than likely ear plugs in - not a chance of me hearing anything!
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Yup, P/Ns, pictures, advice, VINs. At this point anything will help!
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After I broke my 1070 12 speed, I decided to replace it with an RTLO 15 speed. The shop is running into many problems with the bell housing/motor mounts. The local Mack dealer is clueless on old stuff and stuff that he can't use the VIN to get parts. I will probably give my mechanic access to my BMT account so that I can get out of the middle and let knowledgeable people figure this out. If anybody has done this before, I (we) are all ears!! 1991 RD 690 EM7 Maxidyne. Mack top loader diffs. This is how it all started:
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Air is getting to the trans. Bought a 15 spd for it. It will be Nov before I get it in. Is the broken 1070B worth anything??
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I didn't hear anything when I was rotating the knob around. When I engaged the Deep Reduction, I heard nothing until I moved the stick into 1st gear. Then I heard a clunk and the stick was locked in the 1st gear position. You can probably tell by my terminology that I am only marginally mechanically inclined. When I look at those pix of a transmission, my head starts to hurt. I still think there is some voodoo that makes a differential work! The cab is air supported in the back, but I have my hydraulic tank behind the cab to make things more difficult.
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I started the truck up to build air and forgot that I had left it in gear when I shut it off several days before. Once air was built I went over to it and heard a grinding sound. I realized what I had done and pulled it out of gear. Now I have no movement at all. No forward movement, No reverse movement, no deeprange movement. What did I FU now!!! How expensive is this fix gonna be??
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I noticed this and just thought they were farm trucks running hay in ID. I see a bunch in ID and now have started seeing them in MT and ND too.
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I noticed this and just thought they were farm trucks running hay in ID. I see a bunch in ID and now have started seeing them in MT and ND too.
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I noticed this and just thought they were farm trucks running hay in ID. I see a bunch in ID and now have started seeing them in MT and ND too.
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It would be nice to find one of them, except you guys put the steering wheel on the wrong side. 😁😁
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WOW!! Those are some low numbers. Like looking for a needle in a haystack. Guess I'll start looking for a MH with a Series 60
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Sputtering is still there when the engine temp is low. It seems to go away after the gauge hits 160*. Fuel issue went away after I changed the nearly 30 year old fuel lines. Seems they were collapsing under a load.
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I have seen some older Macks with Detroit 92/71 series engines and Cummins Big and Small Cam engines in them. Once the engines went electronic did Mack use other than Mack engines?? Did a Series 60 Detroit or N-14 Cummins ever make it into a Mack??
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