Mark T
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Everything posted by Mark T
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That balled seat with the hex on it is where you adjust the exhaust valve lash. Then the Jake lash is set under the slave piston. That big gap between the Jake and the domed cap is closed up when the engine is running with the Jake activated.
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If he's measuring between where the master piston is hit , then there's no telling what he's measuring. The part he has the picture of isn't the valve adjustment. That's where the master piston of the Jake comes out when the Jake itself is activated and gets hit to push the slave piston to bump the valve off the seat.
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That engine in the picture the guy posted has a Jake. not a Power Leash
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I think the 6 speed it depended where the pto was mounted . Bergey's has a nice RD for $35,000.00
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That's the same truck as in the first picture ???
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That's what they call a 6 speed. It's basically a 5 speed and it has an extended low range for crawling in soft ground loaded or milling or whatever. Then there's multiple reverse speeds . It's about as complicated as a pickup from the '70s with a four speed. They're also virtually indestructible. All the guys who commented on it are pretty accurate.
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Do Mack Trucks Comes With Cummins From Factory?
Mark T replied to Kunle's topic in Engine and Transmission
A CH ? I don't think they're going to fit , let alone have enough radiator. CL ? Some were made with ISXs. -
For what it's worth to you ???? I don't know if I'd be so quick to pass on that '85 for what you're planning on spending and using it for. Barring a rotted frame or something, that truck doesn't look abused. (almost looks like an old Wyoming Sand & Stone truck)
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That Granite looks like an old Penn DOT. Likely rotted in spots you'd never dream of. I've seen Penn DOT trucks that actually have the intake manifold rotted to the point of losing manifold pressure.
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Maybe it was repowered with one of those old Cummins C engines. Like a C160 or C180 ?? Truck looks to be in fairly good shape.
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Once again.... great eye candy Thanks
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Over 40-K ??? as in more than $40,000.00 ???? that's making me scared even thinking about it 🤢
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1989 Mack RW-613
Mark T replied to j hancock's topic in Antique and Classic Mack Trucks General Discussion
Pictures are like the currency for info. We all love pictures -
Who cares about what axle ratios are in that truck ? Look at the body. That little girl did some work....and my bet would be it's capable of doing lots more . Worry more about if it's gonna need costly repairs ASAP or if it'll go a while with some proper usage
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That's what happens from looking at websites of dubious content 🤔
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Depends what frame is in it. I don't know for sure about that model, but there is such a thing as a heavy spec single frame
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IMG 4329
Mark T commented on R773's gallery image in BMT Member's Gallery - Click here to view our member's albums!
I'd like to see more of that truck, but look at that front bumper. Makes me wanna see some other details about this one 😍 -
Some of the Mack transmissions that had extended range low gears, also used a pretty slow axle. Those transmissions had a huge overgear to get some road speed out of it. It's true some Mack transmissions were close (?) to an 8LL. There were a couple though that you sorta needed the whole combo. Or maybe it was made with the Fuller ???
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New here! B60T project
Mark T replied to SkippyMack's topic in Antique and Classic Mack Trucks General Discussion
I'm pretty glad you're well again too. I was wondering where you were. -
Wow !!!! look at the shape that B model is in
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Maybe there's hope. Don't forget the springs might be worn where the dowels go in on the ends. Didn't mean to sound offensive, but guys are often reluctant to accept that when they start " walking " it's usually not just the pads ( the cheapest easiest thing )
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If he doesn't know what's wrong with it ? I'm guessing he's not about to take on changing the trunion stand
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( lol ) this poor guy is going to get his $5000.00+ education about what causes his problem
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It's impressive the way you guys get these repairs done. Could you imagine the time and cost if you ever sent this job out ? Looks to be coming out pretty good from all your posts.
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Mack 44,000 differential carrier side cover o-ring
Mark T replied to mackone's topic in Driveline and Suspension
( lol ) some older guys used to call it "shalack" it was common practice to smother mating surfaces with it. And those little bastards ( the mud movers ) also like to build in trailer supply lines. Seen it happen way faster than you could ever think they'd have been able to
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