# 1978 Mack RD686S for Sale in Edmonton, Ab **URL:** ## Listing details - **Price:** Auction pricing - **Listing ID:** 89189104 - **Year:** 1978 - **Manufacturer:** Mack - **Model:** RD686S - **Category:** Dump Trucks - **Serial number:** RD686S4547 - **Location:** Edmonton, Ab - **Auction starts:** 2026-09-22 ## Description Located in Lane 52 Spot 44, Mack ENDT676 6 Cylinder 11 L Diesel 283 hp Engine, 1978 US EPA Label, 3287 Engine hrs, Mack Maxitorque Duplex 5 1 Twin Stick Manual Transmission, 11R24.5, Camelback Spring Suspension, 226 in Wheelbase, PTO, Renn Steel Body Closing Time: 2026-09-23 10:00:00 AM ## Photos ![1978 Mack RD686S](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22932/73/6b800cab-e8ec-44ee-90b2-7ce9198556cb-hr.jpg) ![1978 Mack RD686S photo 2](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22932/73/65b87732-5cf0-3fc2-8f16-caf38e8bba6f-hr.jpg) ![1978 Mack RD686S photo 3](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22932/73/b719c9d0-619e-3472-a086-28ea0eb8acf9-hr.jpg) ![1978 Mack RD686S photo 4](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22932/73/6a51fc0a-fa3d-3234-bbdb-0dce59162e35-hr.jpg) ![1978 Mack RD686S photo 5](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22932/73/13de96b3-3c56-3e75-bd12-83dca53b2d98-hr.jpg) ![1978 Mack RD686S photo 6](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22932/73/689ff7cb-3eea-4803-ae4f-666af438dc39-hr.jpg) ![1978 Mack RD686S photo 7](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22932/73/fad5c869-5baa-4f6a-af83-b9f2a867bfb0-hr.jpg) ![1978 Mack RD686S photo 8](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22932/73/4b773b28-698b-4d89-9f46-17630e528bc3-hr.jpg) ![1978 Mack RD686S photo 9](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22932/73/8b1975b1-76fe-404f-8a29-aa580d8eef61-hr.jpg) ![1978 Mack RD686S photo 10](https://www-ironplanet.s3-us-west-2.amazonaws.com/i/22932/73/e845ed35-cbbe-4d54-a390-c8614a2627f0-hr.jpg)