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Nice truck That is one long a$$ dump body and you have a pup also?

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Thanks. Yes, have a tri-axle pony and a tri-axle tag float also. This is the unit this one replaced.

Truck is legal for 80,000 pounds gross here and 140,000 with pony.

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Is the lift axle in those trucks centered between the tandems and steering axle, or spaced a certain distance forward of the tandems?

I like the looks and layout of the cab interior. I haven't seen that brand of truck since they had "White Western Star" on the hoods myself and they weren't popular around here at all. I do remember them being spoken of as being "hand built" however.

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thats a fine lookin big star but the guy takin the pictures needs to polish his shoes . makes the bumper look bad :D

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Beautiful truck, and nicely spec'd !

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Looks Good!  What type/brand is the 46K rear suspension?

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On 6/1/2019 at 12:25 AM, Rob said:

Is the lift axle in those trucks centered between the tandems and steering axle, or spaced a certain distance forward of the tandems?

I like the looks and layout of the cab interior. I haven't seen that brand of truck since they had "White Western Star" on the hoods myself and they weren't popular around here at all. I do remember them being spoken of as being "hand built" however.

Thanks everyone. Rob, the lift is 141 inches back from the steer and 100 inches ahead of the first drive (hub center to center). The main thing is the 100 inch ahead of the rears.

The spacings will effect your allowable gross quite a bit here. But this is the optimal dimensions here. It gives me what they call SPIF Schedule 23 which gives me the max allowable for my rear axle spread. Only way to legal more if if I had 72 inch spread.

This SPIF law we have here in Ontario requires these axles to go down automatically once you put a certain amount of weight in the box, they steer and they also have to self equalize with the rear axles. I do have an override though to work it manually. They just amended that law, that we can now have a Canada/USA switch in them...but still illegal to use manual here.

You pretty much have to load these trucks nose heavy to get my 19841.6 pounds on each axle.

Back in the White days, Star was hand built one at a time, built to order in BC Canada. Then along came Daimler, moved them to Portland, OR and turned them into an expensive Freightliner, LOL.

The benefit of Star is they are the only one that still used basic wiring in these models (not the 4700 or 5700 though) Not full of modules. And they have a good frame and big strong crossmembers, and cab and powertrain mounts.

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1 hour ago, j hancock said:

Looks Good!  What type/brand is the 46K rear suspension?

Both trucks are 46,000 Meritor's on 46,000 Air Liner. I like it. Never had an issue with it.

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I have an adjustable regulator on the dash for down pressure for the lift axle on the water truck. I never use it but I'm told the setup is not legal? Never have scaled the truck so clueless to what the 60 psi indication carries as far as weight. It is air down, and spring up. Neway, I believe.

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I have been told that having the adjustable regulator in the cab is what is illegal because you could fiddle with it going across the scale.  Most of the trucks I have drove with tags were set at 60 psi but not all. It takes a little trial and error until we get a new truck dialed in to the tag pressure. Obviously we try to run the least amount of pressure (carry the least amount we legally can with out affecting our max payload) as possible so the front end doesn’t push or under steer as much. 

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Ya, they changed it in Ontario Canada. It is called SPIF. It stands for Safe(NOT) Productive and Infrastructure Friendly. Ya, you gotta be a government employee to come up with crap like that.

Anyway, we can no longer have control. It has to go down automatically when you load and it has to self equalize, which is why air ride is the way to go. It can be done on spring and rubber block, but then you have to have load cells which so far are proving unreliable.

You can lift it by cycling the 4 way flashers on for 4 seconds, then off for 4 seconds, then back and leave on. It will then stay up until you hit 60 KPH.

Now try doing that in an accident avoidance situation. Because despite the government saying they steer in the winter, they DO NOT. That is why my old truck had an over-ride switch installed in the cab. And this one has the newly approved Canada/USA over-ride.

But still no regulator in cab. I would have to move it myself. They took it out of the cab when they did the install by law.

I know when I have my full legal load on (80,000 pounds) the lift and my rear suspension are at 70 PSI.

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Maybe I'll lose some weight now. While I like the bench seat, I can no longer mount my 12V fridge between the seats like my 2013.

It has to go on passenger side floor, so I can't reach it now. LOL.

Made my floor easier to clean now.

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The water truck is on 38K Camelback spring. The tag axle is Neway. I've never adjusted it at all, I just flip the air switch on the dash and it slowly goes down. It takes quite a spell to raise back up too.

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What model Mack is that water truck Rob? That cab corner looks odd to me for a Mack cab?

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It's a 1973 RL-797LST and has a single sleeper that houses the hoses and such:

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That's why! Wasn't the cab I was looking at, LOL. If it's anything like the jobs I work, that sleeper would come in handy. Thus my bench seat. LOL.

Well first day of work today. hauled gravel and pulled a load of cement lego blocks on the three axle tag float. 

I don't know why Detroit still makes the DD15. This DD13, now that it has 1850 torque, will walk all over my old DD15 . I like it so far. And it's easier on fuel.

So now they only offer the DD15 with 1750 torque. But the DD13 is 505/1850.  They may as well just have the DD13 and the DD16 600.

And as far as engine braking, it is almost the same, but you have to wind it up to higher RPM's to get the same power.

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Nice rig hope it works well for you. I like the wood replica dash. I think Mack stopped making them. I wonder how the DD13 505/1850 compares to Mack Volvo 505/1850 injector cup motor.^_^

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1 hour ago, Freightrain said:

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HEAT/VIBRATOR?   Is that for the drivers seat or the dump bed??  :tease:

Best you don't go there. . . :whistling:

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2 hours ago, Freightrain said:

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HEAT/VIBRATOR?   Is that for the drivers seat or the dump bed??  :tease:

Nope.........Passenger seat. 

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Oh this suddenly took a down turn

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11 hours ago, james j neiweem said:

Nice rig hope it works well for you. I like the wood replica dash. I think Mack stopped making them. I wonder how the DD13 505/1850 compares to Mack Volvo 505/1850 injector cup motor.^_^

Dirty dirty minds, LOL Anyway, back to this quote.....as far as pulling, I know the MP8 505 motors would walk all over the DD15 505.

Another thing I noticed.....the ONLY hard part issue I ever had with the DD15 (beside on-going emissions problems) was the fan belt tensioners always failed. They have three flat faced pulleys on them and were $850 Canadian. We replaced two in 350,000 KM. Problem was the face would wear uneven and the belt would then walk off.

Well, they now have ribbed pulleys on them.

 

Talked to a guy today that has a Granite dump truck I once posted pics of on this site. Has an MP8 505 and M-Drive. He said he has had ZERO emission issues.

Even my friend that has that twin steer Star in the pics above. He previously had a Titan MP10 605 and he had very few issues with it.

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How bad is the DD13 mileage?  I have not been impressed with the mileage out of the DD15 I drive. 3.89-4.2 mpg is it. I suspect part of that problem might be because it’s poorly spec’d for the job it does. Not impressed at all with it in the power department either. 

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