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About the Mack MR688S
The Mack MR688S is a heavy-duty vocational truck built for demanding transport tasks. Robust, reliable and suited to construction, hauling and municipal applications, it offers a durable chassis and proven drivetrain for long service life.

2006 Mack MR688S
- Manufacturer: Mack
- Model: MR688S
Clean and versatile pump in good, work ready condition. Current Boom Inspection.
Heber City, UT
2018 Mack MR688S
- Manufacturer: Mack
- Model: MR688S
Clean, well-maintained truck and pump, new boom and deck pipe, in very good operating condition.
Heber City, UT
2005 Mack MR688S
- Manufacturer: Mack
- Model: MR688S
Well-maintained, ready to work, new clutch and syncronizer replaced 8/23.
Heber City, UT
2006 Mack MR688S
- Manufacturer: Mack
- Model: MR688S
Detachable boom, good condition, well maintained, pump is ready to work!
Western United States, USA
1998 Mack MR688S
- Manufacturer: Mack
- Model: MR688S
Very well maintained, work-ready in real nice shape. 5-Section Boom unfolds at 18'-9" for working inside buildings and low overhead places.
Western United States, USA
2002 Mack MR688S
- Manufacturer: Mack
- Model: MR688S
Well-maintained telescopic boom pump requires only 18’-8” unfolding clearance to provide 87ft. of horizontal reach. Unit in work-ready condition with current D.O.T. and Boom Inspections. Info Link
Western United States, USA
2006 Mack MR688S
- Manufacturer: Mack
- Model: MR688S
Mileage: 677,287 | Eng. hrs: 13,419 | Engine: Mack 460HP
Canada
2007 Mack MR688S
- Manufacturer: Mack
- Model: MR688S
Mileage: 267,916 | Eng. hrs: 40,267 | Engine: Mack 350HP
Heber City, UT
2016 Mack MR688S
- Manufacturer: Mack
- Model: MR688S
Mileage: 75,100 | Eng. hrs: 8,042 | Engine: Mack 400HP | Trans: Manual
Heber City, UT
2006 Mack MR688S
- Manufacturer: Mack
- Model: MR688S
Mileage: 188,654 | Truck hrs: 30,457 | Engine: Mack 350HP
Heber City, UT
2002 Mack MR688S
- Manufacturer: Mack
- Model: MR688S
Clean, well-maintained, new clutch and transmission 2023, replaced main hydraulic pumps 2022, new material cylinders and rams, current boom inspection
Heber City, UT
Heber City, UT

