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About the Mack RD688
The Mack RD688 is a heavy-duty rigid/tractor truck designed for long-haul and heavy transport tasks. Built with a robust chassis and heavy-axle layout, the RD688 delivers dependable performance, durable construction and easy serviceability for contractors, hauliers and fleet operators.
- Trusted SellerAuction

2001 Mack RD688S Truck
- Manufacturer: Mack
- Model: RD688S
- Horsepower: 400 hp
- Mileage: 522,700 mi
Body Type: Trim Level: Drive Line: Features and Notes: Bed length 16’ Bed width 8’ Bed height 4’
Hillsboro, MOVisit Auction Website - Trusted SellerAuction

1998 Mack RD688S Dump Truck
- Manufacturer: Mack
- Model: RD688S
- Horsepower: 400 hp
- Mileage: 837,480 mi
Body Type: Trim Level: Drive Line: Features and Notes: Bed length 16' Width 96" Wheel base 236 Empty weight 23,500 New power steering pump in 2025
Pomona, MOVisit Auction Website

