1999 Mack RD688S Tandem Axle Dump


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20K Steerable Drop AxleAdd a new steerable drop axle to this tandem axle dump truck for the low, low price of $7,500. You get your choice of 10,000 lbs or 20,000 lbs capacity drop axles. These are brand new drop axles that we have in stock, ready to be professionally installed by our mechanics. Also, drop axle controls, air lines, valves & wheels/tires are all included in the installation. There is a $600 up charge for Maryland customers that require the axle regulator to be mounted in a weather proof box on the frame. Since we have these axles in stock, we only need a 2 day lead time and a small deposit to proceed with getting the drop axle installed. Call any of our salesmen today for more details.


Price $46,900
CategoryDump Trucks
Mileage331,023 Miles
ECM Mileage283,557 Miles
JPro ReportClick HERE to view report
EngineMack   E7   350 hp
Engine BrakeYes
Cruise ControlYes
ExhaustSingle Stack
Fuel Tank/sTwo 56 gallon Aluminum Tanks
TransmissionFuller     8LL
Double FrameNo
GVW62,000 lbs
Rear ConfigTandem Axles
Front Axle18,000 lbs
Rear Axle/s44,000 lbs
Wheelbase210 inches
Outerbridge20 feet
Front Tire Size11R22.5
Rear Tire Size315/80R22.5
WheelsAll Steel

Dump Body Specifications

Dump BodySteel Ox
Length16 ft
Height51 in
Electric TarpYes
Air GateYes
Tail GateForward Slope
Spreader PanYes


All truck specifications are believed to be true at time of posting, however, we can not guarantee the specifications are error free. All JPro reports are used for information only and we can not guarantee the accuracy of the JPro Software. If, while browsing our truck listings, you see what you believe to be an error, please let us know using the contact form below.

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