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Inspected by IronPlanet. Your purchase is protected by our IronClad Assurance.
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The 2007 Mack MR688 is a robust specialty truck that's designed to handle demanding tasks efficiently. At its core is a powerful Mack 6 Cylinder Diesel Engine and a Mack T310 10-Speed Manual Transmission, ensuring reliable performance over the accumulated 267,437 miles and 22,121.8 engine hours. This unit is equipped with essential features such as an air conditioner, cruise control, and an engine brake, enhancing driver comfort and vehicle control. Notably, this Mack MR688 includes advanced capabilities like the Ergonic Boom Control (EBC), auto lube systems, and radio and cable remote controls, which contribute to streamlined operations and maintenance. The truck's versatility is further emphasized by its durable camelback spring suspension and a steerable air lift pusher axle, which support its substantial 272-inch wheelbase and varied tire setup, comprising 425/65R22.5 front tires and 11R22.5 rear tires. With thoughtful additions like outrigger pads for additional stability during operation and aluminum wheels that decrease overall weight, the Mack MR688 is purpose-built for challenging environments and heavy-duty applications.
Mack 6 Cylinder Diesel Engine
22121.8 Engine hrs
Air Conditioner
Cruise Control
Engine Brake
Mack T310 10-Speed Manual Transmission
Aluminum Wheels
425/65R22.5 Front Tires
11R22.5 Rear Tires
Steerable Air Lift Pusher Axle
Camelback Spring Suspension
272 in Wheelbase
PTO
5643 Pump Hours
Radio and Cable Remote Controls
Outrigger Pads
Auto Lube
EBC (Ergonic Boom Control)
Engine Power: 350 hp
Engine Type: Diesel
Transmission: 10-speed Manual
GVWR: 52,000 lbs
Wheelbase: 210 in
Fuel Capacity: 80 gal
Cab Type: Cab-over-engine
Drive Configuration: 6x4
Front Axle Capacity: 12,000 lbs
Rear Axle Capacity: 40,000 lbs
Suspension Type: Air Ride
Serial Number / VIN: 1M2K197C97M037279
Hour Meter / Odometer: 267437 mi
Motor Vehicle Safety Standards Label: No
Exterior Lights: Operational
Steer Axle: T-LI-D0: 12/32"|T-RI-D0: 15/32"|Covered: B-R-D|Covered: B-L-D|Aluminum: T-LI-D|Aluminum: T-RI-D
Rear Axle: T-LI-D0: 16/32"|Aluminum: T-LI-D|Covered : B-L-D|Covered : B-R-D|T-RI-D0: 20/32"|Aluminum: T-RI-D
Rear Axle: T-LO-D0: 11/32"|T-LI-D0: 12/32"|T-RI-D0: 7/32"|T-RO-D0: 14/32"|Covered: B-L-D|Covered: B-R-D|Aluminum: T-RO-D|Aluminum: T-LO-D|Aluminum: T-RI-D|Aluminum: T-LI-D
Rear Axle: T-LO-D0: 16/32"|T-LI-D0: 15/32"|T-RI-D0: 8/32"|T-RO-D0: 14/32"|Covered: B-R-D|Covered: B-L-D|Aluminum: T-RO-D|Aluminum: T-LO-D|Aluminum: T-LI-D|Aluminum: T-RI-D
Emissions Information: No US EPA Label Present
A/C Compressor: Compressor will not engage
Blow-by (subjective visual observation): Significant
Starter: Operational
Air Compressor: Operational
Fuel System: Operational
Oil Leaks: Side of engine, Oil Pan, Extensive engine oil overspray and film coating the entirety of the undercarriage and chassis components
Fuel Leaks: No dripping leaks
Cooling System Leaks: No dripping leaks
Limited Function Check: The engine started and ran.
Engine Hours: 22121.8 Engine hrs
Window Controls: Both Manual
Seat Belts: Operational
Horn: Air horn operational, Electric horn operational
Oil Pressure: The gauge registers in the operating range.
Warning Lights: Operational
Gauges: Operational
Brake Control: Operational
Engine Brake: Not operationally checked
Clutch: Engages
PTO Control: Operational
Air Conditioner: Fan blower functions but not blowing cool air
Heater: Operational
Limited Function Check: The main components are in place and operational as noted. Interior driver door damaged
Transmission: Operational, Dripping leak
PTO Pump: Operational
Axle Bump Stops: In place
Limited Function Check - Carrier: The drivetrain was operational without a load.
Brake Type: Air
Park Brake: Held against power
Limited Function Check - Brakes: The brake system functioned, stopping and holding the machine.
Automatic Lube System: Yes
Pumps (Hydraulics): Buildup
Limited Function Check: Hydraulic system was operational during a limited function test. Unit was not fully set up to test all hydraulic functions.
Pump Unit Serial Number: 170207601
Pump Cell:: 38Z
Pump Hours: 5643 Pump Hours
Remote Control: Not operationally checked
Water Tank: Not operationally checked
Water Pump: Not operationally checked
Main Boom - Conveyor: 38 m, 34 m
Raise / Lower Mechanism: Hydraulic raise
date of analysis: Sep 10, 2026
Silicon: 10 PPM
Tin: 0.14 PPM
Silver: 0.03 PPM
Aluminum: 1.33 PPM
Chromium: 0.03 PPM
Lead: 3.71 PPM
Copper: 1.05 PPM
Nickel: 0.26 PPM
Iron: 10.65 PPM
Glycol: NEG
Water: NEG
Fuel: <5%
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