R-Model Mack Tandem Axle Dump Truck used for sale, Extreme Duty R-Model Mack Tandem Axle Dump
is a workhorse that's earned its keep
for the truck's current owner, who's now retired.
He has had this truck for twelve years.
We're not sure of the mileage or hours on this truck
(the hour meter's been replaced,
as was the fuel pump a few years ago),
but we do know that the E6-350 runs well,
and the 12-speed two stick trans
still has plenty of life in it.
The 14.6' Beau Roc dump body
turns a good truck into a great one.
It's got a one-foot overhang,
making it well suited to asphalt work.
The T-4 steel bed floor
and angle-welded reinforced body
mean that this dump body can handle rocks, boulders,
and all manner of other punishment with ease.
The truck's curb weight is 27,700 pounds, and its top speed is 62 MPH.
With its 58,000 pound rears, 20,000 pound fronts,
12 x 24.5 tires,
and a frame that's still straight and strong,
the RD688SX is billed as an "Extreme Duty" truck by Mack,
and this one's certainly earned the name.
But don't take our word for it;
schedule an inspection today.
Not many companies
last for more than a century in business.
given their tradition of power and innovation,
and a stubborn commitment to quality and longevity
it should be no surprise that Mack is one such company.
Mack trucks from decades past can be spotted to this day,
some used for show, but many of them still working hard.
The Mack bulldog has a big heart that just won't quit.
Introduced to replace the B Model Mack,
it quickly came into its own right
as an all-purpose workhorse.
The model number (RD688SX)
isn't just a random string of letters and numbers.
In case you were wondering, it means:
RD: Heavy Duty R
688: Chassis and engine designation
S: Six Wheel Chassis
X: Extreme Duty
(in case the Heavy Duty part wasn't emphatic enough for you)
It's designed to survive
anything you throw at it,
and keep coming back for more.
This is one Mack that's earned the bulldog on its hood.
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