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1983 Mack R686ST‏ Tandem Axle Tractor

Mack Mack R686ST
Mack 300 Plus
Rear Axle Wt.:
38,000 LB
Landing, NJ 07850
Jay Trevorrow: 973-886-3020
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Product Description

R-Model Mack Tandem Tractor for sale | R686ST Tandem | ironmartonline

Tandem Mack For Sale

This is a 1983 R686ST

that has been well-maintained by its owner.

This truck has 665,569 miles

and 7,917 engine hours

It is equipped with a Mack 300 Plus engine,

5-speed Mack transmission,

38,000 lb. rears, PTO,

and all the quality you've come to expect from Mack.

FYI: The truck's model number (R686ST)

breaks down as follows:

R: R Model Mack

686: Chassis and engine designation

ST: Six Wheel Chassis tractor

Translation: This truck will survive

anything you throw at it.

In 1966, Mack Trucks

unveiled the R Model Mack

as a replacement for

the beloved B series.

Mack drew on their experience

producing trucks for the Allied war effort in World War II,

resulting in versatile and resilient trucks

that could be adapted for multiple purposes.

Over the century that Mack Trucks has been in business

they've built everything from trucks and buses, to trains, APCs, and fire trucks.

To this day, they build their trucks

with the power and tenacity

that earned them the “Bulldog” nickname

long before the bulldog mascot

ever graced their trucks.

Mack built its reputation

the same way it built its trucks,

combining power and innovation with quality and longevity.

Classic Mack trucks from the 1940's through the 1960's

still chug stubbornly along on roads and worksites.

That bulldog is strong, faithful and roadworthy,

with a big heart that just won't quit.


This tandem axle tractor is located in Landing, NJ 07850

Please understand I don't own this R Model Mack R686ST personally

I am a full time broker selling for a customer

My goal is to bring the buyer and seller together

I do my very best to tell you what I know

I encourage and very much support a pre-buy inspection

Do You Need Help Marketing Your

Equipment, Boat, Plane, Car or Truck?

Call Me


Jay Trevorrow

Best Time to Reach Me

Monday ~ Saturday

8:00 am to 5:30 pm ~Dinner~ 9:00 pm to 12:00 pm

Sunday 12 to 10 pm