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651

The Open Bowl Wheel Tractor-Scraper is available as a self-loading, push loaded or push loaded hauling system with a broad material appetite.

651

The Open Bowl Wheel Tractor-Scraper is available as a self-loading, push loaded or push loaded hauling system with a broad material appetite.
Specifications
Dimensions
  • Width - Overall Machine
    14.3 ft 4.36 m
  • Width - Tractor
    11.87 ft 3.62 m
  • Width - Rear Tire Center Lines
    9.21 ft 2.81 m
  • Width - Inside of Bowl
    12.07 ft 3.68 m
  • Width - Outside Bowl - Shipping Width
    12.98 ft 3.91 m
  • Height - Overall Shipping
    15.29 ft 4.42 m
  • Height - Top of Cab
    12.77 ft 3.89 m
  • Ground Clearance - Tractor
    2.3 ft 0.7 m
  • Front of Tractor to Front Axle
    14.93 ft 3.88 m
  • Axle to Vertical Hitch Pin
    1.8 ft 0.55 m
  • Height - Scraper Blade Maximum
    2.17 ft 0.66 m
  • Wheel Base
    32.68 ft 9.96 m
  • Length - Overall Machine
    58.96 ft 17.97 m
  • Rear Axle - Rear of Machine
    8.07 ft 2.46 m
Engine
  • Tractor Engine
    Cat® C18
Hydraulics
  • Bowl Cylinder Bore
    7.08 in 180 mm
  • Bowl Cylinder Stroke
    37.4 in 950 mm
  • Apron Cylinder Bore
    7.08 in 180 mm
  • Apron Cylinder Stroke
    29.92 in 759.5 mm
  • Steering Circuit (@ High Idle)
    76.08 gpm 288 L/min
  • Cushion Hitch Circuit
    19.54 gpm 74 L/min
  • Secondary Steering Circuit
    14.52 gal/hr 55 l/hr
  • Relief Valve - Steering Circuit
    1959 psi 13500 kPa
  • Relief Valve - Implement Circuit
    1999 psi 13780 kPa
  • Compensator Settings - Cushion Hitch Circuit
    3002 psi 20700 kPa
Scraper Bowl
  • Scraper Capacity - Heaped
    44 yd³ 33.6 m³
  • Rated Load
    104000 lb 47174 kg
  • Capacity - Struck
    32 yd³ 24.5 m³
  • Depth of Cut - Maximum
    17.3 in 417 mm
  • Width - Cut - To Router Bits
    12.5 ft 3.8 m
  • Ground Clearance - Maximum
    2.3 ft 0.7 m
  • Depth of Spread - Maximum
    26 in 660 mm
  • Apron Opening
    92 in 2337 mm
  • Apron Closure Force
    39200 lb 176 kN
  • Hyd. Penetration Force - 657G
    121000 lb 542 kN
Service Refill Capacities - Scraper
  • Crankcase
    8.9 gal (US) 34 l
  • Transmission
    31.9 gal (US) 121 l
  • Cooling System
    16.6 gal (US) 63.2 l
  • Final Drive - Each
    7.8 gal (US) 30 l
  • Fuel Tank
    430 gal (US) 1628 l
  • Differential
    44 gal (US) 168 l
Service Refill Capacities - Tractor
  • Crankcase
    13.7 gal (US) 52 l
  • Transmission
    35.9 gal (US) 136 l
  • Differential
    36 gal (US) 136 l
  • Final Drive - Each
    6.3 gal (US) 24 l
  • Cooling System
    23.4 gal (US) 88.6 l
  • Hydraulic Reservoir
    39.6 gal (US) 150 l
  • Windshield Washer
    0.5 gal (US) 5 l
Steering
  • Width - 180° Turn - Right
    44.6 ft 13.6 m
  • Width - 180° Turn - Left
    47.57 ft 14.5 m
  • Steering Angle - Right
    90
  • Steering Angle - Left
    85
Tractor Engine
  • Flywheel Power - Tractor/Scraper
    469kW (629 hp)
  • Bore
    5.7 in 145 mm
  • Stroke
    7.2 in 183 mm
  • Displacement
    1105 in³ 18.1 l
  • Net Power (SAE J1349/ISO 9249)
    592 hp 436 kW
  • Gross Power (SAE J1995)
    637 hp 475 kW
  • Net Power (ISO 14396)
    585 hp 436 kW
  • Net Power
    469 kW/629 hp (ISO 14369:2002)
Transmission
  • Top Speed - Loaded
    34.9 mile/h 56.1 km/h
  • 1 Forward
    3.5 mile/h 5.7 km/h
  • 2 Forward
    6.5 mile/h 10.5 km/h
  • 3 Forward
    7.8 mile/h 12.5 km/h
  • 4 Forward
    10.6 mile/h 17 km/h
  • 5 Forward
    14.2 mile/h 22.8 km/h
  • 6 Forward
    19.2 mile/h 30.9 km/h
  • 7 Forward
    25.7 mile/h 41.4 km/h
  • 8 Forward
    34.9 mile/h 56.1 km/h
  • Reverse
    6.7 mile/h 10.8 km/h
Weights - Push-Pull
  • Total Shipping
    160505 lb 72804 kg
  • Tractor Shipping
    93635 lb 42472 kg
  • Scraper Shipping
    64068 lb 29061 kg
  • Total Operating - Empty
    164244 lb 74500 kg
  • Front Axle
    93842 lb 42566 kg
  • Rear Axle
    66663 lb 30238 kg
  • Total Operating - Loaded
    268302 lb 121700 kg
  • Front Axle - Loaded
    134165 lb 60856 kg
  • Rear Axle - Loaded
    130340 lb 59121 kg
Benefits

BE MORE PRODUCTIVE

        
  • The Advanced Productivity Electronic Control System (APECS) enables communication between the engine and transmission to optimize power and torque output effectively. This integration
        results in enhanced efficiency with a net result of moving more
        material.
  •     
  • Use Ground Speed Control to set the desired top speed, and the machine will find the gear that works best for the engine and the transmission, providing a lower fuel burn.
  •     
  • The machine speed limit feature allows the machine to maintain a
        set the top speed instead of relying on top gear selector.
  •     
  • Auto-Stall assists in quickly bringing the transmission to an
        operating temperature at start-up when the machine is working in a cold climate region.
  •     
  • Cat Payload for scrapers is an earthmoving solution for optimal payload and jobsite efficiency. Cat Payload achieves on-the-go
        weighing by using bowl lift cylinder pressure during the loaded haul segment. Cat Payload is optimized to be used with Sequence
        Assist, which provides increased productivity with less operator
        effort.

WORK IN COMFORT

        
  • Steer with less effort with the newly designed high-pressure steering system.
  •     
  • Reduce up to 14 individual operator commands per cycle with
    Sequence Assist.
  •     
  • Enjoy interior improvements and a more ergonomic work environment
    .
  •     
  • Intuitive, ergonomic controls with multifunction display keep operators
     focused on their work.
  •     
  • Maintain desired cab temperature with automatic temperature control
    .

DESIGNED FOR SAFETY

        
  • Get in and out of the cab easier with the powered access ladder system.
  •     
  • Enhance the operator’s awareness of site surroundings with the
     Work Area Vision System (WAVS).
  •     
  • Convenient ground-level access to fuel fill and several maintenance points for easier
     and safer service.
  •     
  • Seat belt indicator provides visual and audible alerts when the seat
    belt is not in use. 

EASY TO OPERATE

        
  • Cat Advanced Ride Management (ARM) seat suspension reduces end stroke movement of the load cylinder for a smoother ride.
  •     
  • Engine overspeed protection will automatically engage with no operator input when the machine is in eighth gear. The machine will assist in slowing the machine speed by canceling the throttle command and engaging the engine compression brake. 
  •     
  • The spacious cab features easy, intuitive controls and excellent
        visibility. The cab provides a comfortable working environment for
        all-day operation.

INTEGRATED CAT TECHNOLOGIES

        
  • Access information anytime, anywhere with Vision Link™– use it to make informed decisions that boost productivity, lower costs, simplify maintenance, and improve safety and security on your job site.
  •     
  • Product Link™
    collects machine data that can be viewed online through
     web and mobile applications (optional attachment).
  •     
  • Hit target grade faster and more accurately with Cat Grade
        technologies. Finish jobs in fewer passes and with less operator
        effort, saving you time and helping to increase profit.
  •     
  • Monitor, manage, and enhance jobsite operations.
  •     
  • Shorten the learning curve for inexperienced operators with
        Sequence Assist.
Equipment Info

NOTE

Standard and optional equipment may vary. Consult your Cat dealer for details.

ELECTRICAL

Alarm, backup

OPERATOR ENVIRONMENT

Air Conditioner (includes heater and defroster)

POWER TRAIN

Tractor

OTHER STANDARD EQUIPMENT

Tractor
360 view
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