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Looking for tandem dump truck.

Truck Shop

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Dec 7, 2015
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25,375
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WWW.
Well if your reading my posts and not jumping over to look at what contractors are posting,
I'm a 52 year truck mechanic. That Mack is about as tried & true as it gets, the 673 was
Macks mainstream bullet proof power plant, The gear box is a RTLO 14618 Eaton-tons of
gears, Hendrickson walking beam probably 46,000 lb suspension, Mack rear drives, real tough.
The front axle will be more than enough with those tires. Parts for this truck can easily be had.
 

kingold11

Member
Joined
Sep 10, 2024
Messages
9
Location
Mississippi

Truck Shop

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Joined
Dec 7, 2015
Messages
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Nothing is ever close, only 2,600 miles which is 4 days at 650 miles a day--a 12.5 hr day.
and 8 hamburgers.
 

MG84

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Jan 6, 2023
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1,397
Location
Virginia
Nothing is ever close, only 2,600 miles which is 4 days at 650 miles a day--a 12.5 hr day.
and 8 hamburgers.
You can find stuff close IF you have time on your side and live reasonably close to populated areas. I personally am not willing to drive more than 4-5hrs to buy used trucks/equipment. Being able to drive there and back in a day makes it easier to look at stuff in person and walk away when needed. That being said, sometimes I look for 2-3yrs before finding what I’m looking for.
 

MG84

Senior Member
Joined
Jan 6, 2023
Messages
1,397
Location
Virginia
Well if your reading my posts and not jumping over to look at what contractors are posting,
I'm a 52 year truck mechanic. That Mack is about as tried & true as it gets, the 673 was
Macks mainstream bullet proof power plant, The gear box is a RTLO 14618 Eaton-tons of
gears, Hendrickson walking beam probably 46,000 lb suspension, Mack rear drives, real tough.
The front axle will be more than enough with those tires. Parts for this truck can easily be had.
I will say, most of the vocational trucks around here 1970s to 1990s vintage that are still on the road and working 8hrs a day are either Macks or L series Fords.
 

kingold11

Member
Joined
Sep 10, 2024
Messages
9
Location
Mississippi
You can find stuff close IF you have time on your side and live reasonably close to populated areas. I personally am not willing to drive more than 4-5hrs to buy used trucks/equipment. Being able to drive there and back in a day makes it easier to look at stuff in person and walk away when needed. That being said, sometimes I look for 2-3yrs before finding what I’m looking for.
My biggest issue is definitely location. I am barely within 4 hours of a populated area.
 

Truck Shop

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Dec 7, 2015
Messages
25,375
Location
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are either Macks or L series Fords.
Because those two were east coast popular.
personally am not willing to drive more than 4-5hrs to buy used trucks/equipment.
Yep the same goes on around here ---the two local dealers have been shooting fish in a barrel
for years, buyers won't travel, those two used truck lots know it & just keep applying the salve.
 

Truck Shop

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Dec 7, 2015
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Mack & Ford trucks were only popular with municipalities in the western states for years.
Reason----no dealerships. Ford only had two authorized repair shops-Spokane/Seattle.
No service no sales, Mack was the same, Boise was the closest for years
 

CM1995

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Jan 21, 2007
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16,092
Location
Alabama
Occupation
Running what I brung and taking what I win
I am more worried in the vehicle I have never laid eyes on with an owner I have never met making the 2,600 mile trip back in good condition haha.

Yeah me too.

I was a little concerned when I drove our L9000 the 100 mile trip back to our yard. Everything went fine but like you said I hoped in a truck we had no past on and took off. The insurance policy was the lowboy service we use has a nice Landoll to come pick it up which would have been $500-600. Imagine the bill to pick it up in Colorado.
 

PeterG

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Contractor
If you're going with a tandem dump, you need a truck with a dump box that is sloping down in the back, or your 5 ton mini will be sloppy on loading over the side unless you are up on the pile. I would suggest a big 5 yard dump truck with a big box. A tandem dump without a drop down axle is really a 10 yard dump truck. For sure you will need a CDL. You also will likely need a CDL class A to pull a full size excavator. For the tandem dump truck, your cost to register it may be expensive. In WA State it depends on the GVW you want it to be. My Big dump truck is registered at 78,000 GVW and it cost like $1500 a year. I pay Federal Heavy Highway tax which is like $400.00 a year. Insurance is also high. It's also expensive to maintain and big to park. Get an old big 5 yard municipal truck (mine will hold 7 yds of dirt) and license it for 25,900 so no CDL. All cost will be lower. See how the business does before you go big.
 

Tyler d4c

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Mar 2, 2016
Messages
2,669
Location
Salix Pa
If you're going with a tandem dump, you need a truck with a dump box that is sloping down in the back, or your 5 ton mini will be sloppy on loading over the side unless you are up on the pile. I would suggest a big 5 yard dump truck with a big box. A tandem dump without a drop down axle is really a 10 yard dump truck. For sure you will need a CDL. You also will likely need a CDL class A to pull a full size excavator. For the tandem dump truck, your cost to register it may be expensive. In WA State it depends on the GVW you want it to be. My Big dump truck is registered at 78,000 GVW and it cost like $1500 a year. I pay Federal Heavy Highway tax which is like $400.00 a year. Insurance is also high. It's also expensive to maintain and big to park. Get an old big 5 yard municipal truck (mine will hold 7 yds of dirt) and license it for 25,900 so no CDL. All cost will be lower. See how the business does before you go big.
Washington is cheap for registration. In pa a 80000 pound (whatever the weight class is) is 2700 or so and here the heavy hiway tax is 600
 

Truck Shop

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Dec 7, 2015
Messages
25,375
Location
WWW.
Shopping for dump trucks is like looking in glass case at the doughnut shop---Gee do I want
that twisty looking thing or chocolate with sprinkles. People starting out----it's like the old guy
pickup philosophy, {I just need a straight six & 4speed, that's all my dad had} then a year goes
by and it's setting on a lot, they traded up for a 440 4x4, then a 5.9 with the smoke screw
twisted.
*
A friends son started out with a GMC 3116, 5 yard. I told him then. A year later and X amount
down the hole---I found him a W900 1991 425 Cat 13spd drop axle 46K rears on Hendrickson
with a brand new Truck Weld box for 28K. He can pull all his stuff. end of story and all of them
end the same way.
 

Tyler d4c

Senior Member
Joined
Mar 2, 2016
Messages
2,669
Location
Salix Pa
Shopping for dump trucks is like looking in glass case at the doughnut shop---Gee do I want
that twisty looking thing or chocolate with sprinkles. People starting out----it's like the old guy
pickup philosophy, {I just need a straight six & 4speed, that's all my dad had} then a year goes
by and it's setting on a lot, they traded up for a 440 4x4, then a 5.9 with the smoke screw
twisted.
*
A friends son started out with a GMC 3116, 5 yard. I told him then. A year later and X amount
down the hole---I found him a W900 1991 425 Cat 13spd drop axle 46K rears on Hendrickson
with a brand new Truck Weld box for 28K. He can pull all his stuff. end of story and all of them
end the same way.
Dad did the same exact thing with trucks and trailers. Buy the biggest you can possibly get
 

MG84

Senior Member
Joined
Jan 6, 2023
Messages
1,397
Location
Virginia
If a tandem suits your needs and you can get a CDL, I agree just go with that to begin with. I've run a few different single axle medium duty dump trucks over the years. The only place they have a benefit is places a tandem axle physically can't fit, which is why I still keep one around. Where you are down south things are flat and more open there are probably very few places a tandem wouldn't work. I can haul 14-15 tons faster, easier, safer and more comfortably with my tandem than I can 6-8 tons on the single axle. My total cost for registration and insurance is around $2500/yr, which sounds like a lot, but you can make that back in just a few days of hauling.
 

MG84

Senior Member
Joined
Jan 6, 2023
Messages
1,397
Location
Virginia
As far as loading goes, I think my tandem has a 42" deep box with 8" sideboards, my 5-ton Kubota U48 loads it very easily, even the 3.5-ton mini ex I used to have would load it but it was more of a reach. With a 36" bucket on the U48 I can load it to capacity in 7 min and that's sitting on ground level, up on a pile a bit faster. Also both my Kubota SVL65 CTL and Case 1845C skid steer can load it without much trouble, but it helps to have a short lip bucket if you really want to heap it up. The 480E backhoe loads it with ease, plenty of reach on both the loader and hoe.
 

kingold11

Member
Joined
Sep 10, 2024
Messages
9
Location
Mississippi
Found this 1980 Peterbuilt 359 with a 8v92t motor, 8ll trans, runs well, but it wont built adequate air pressure. It's for $13k like the 1988 Mack R690.

I'll be looking at both this weekend. If I have the option, which one should I shoot for given identical pricing?1000006661.jpg
 
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