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621

621

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

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Specifications
Cab
  • Exterior Sound Level
    The exterior sound power level for the standard machine (ISO 6393:2008) is 118 dB(A).
  • ROPS/FOPS
    Meets SAE and ISO standards
Dimensions
  • Width - Overall Machine
    141.1 in 3585 mm
  • Width - Tractor
    133.1 in 3381 mm
  • Width - Inside of Bowl
    120 in 3048 mm
  • Width - Outside Rear Tires
    128.9 in 3275 mm
  • Height - Overall Shipping
    158.6 in 4029 mm
  • Height - Top of Cab
    142.2 in 3612 mm
  • Ground Clearance - Tractor
    21.9 in 557 mm
  • Front of Tractor to Front Axle
    122.8 in 3119 mm
  • Axle to Vertical Hitch Pin
    21.3 in 540 mm
  • Height - Scraper Blade Maximum
    20.5 in 520 mm
  • Wheel Base
    314.9 in 7998 mm
  • Rear Axle - Rear of Machine
    114.1 in 2898 mm
  • Width - Overall Machine - Ladder Down
    149.2 in 3790 mm
  • Length - Overall Machine - Standard
    551.8 in 14015 mm
  • Length - Maximum (Push-Pull)
    613.2 in 15576 mm
  • Width - Rear Tire Centers
    90.2 in 2290 mm
Engine
  • Note
    Cat® C13 engine meets U.S. Environmental Protection Agency (EPA) Tier 4 Final/EU Stage IV engine emission standards.
  • Flywheel Power - Tractor
    407 hp 304 kW
  • Rated Engine RPM - Tractor
    2000 r/min 2000 r/min
  • Engine Model - Tractor
    Cat® C13
General
  • Maximum Depth of Cut
    12.4 in 315 mm
  • Fuel Tank Refill Capacity - Scraper
    216.1 gal (US) 818 l
  • 180° Curb-to-Curb Turning Width
    38.71 ft 11.8 m
  • Scraper Capacity - Heaped
    24 yd³ 18.4 m³
  • Overall Width
    11.75 ft 3.58 m
  • Maximum Depth of Spread
    21.3 in 540 mm
  • Overall Shipping Height
    13.22 ft 4.03 m
  • Tires - Tractor Drive
    33.25R29**E3
  • Width - Cut
    10.3 ft 3.14 m
  • Scraper Capacity - Struck
    17.1 yd³ 13 m³
  • Top Speed - Loaded
    33.5 mile/h 53.9 km/h
  • Tires - Scraper
    33.25R29**E3
  • Rated Load
    26 127 kg (57,610 lb); 26.19 tonnes (28.81 tons)
Implement Cycle Times
  • Ejector Retract
    6.7 s 6.7 s
  • Bail Raise
    1.8 s 1.8 s
  • Apron Raise
    2.95 s 2.95 s
  • Apron Lower
    3.8 s 3.8 s
  • Ejector Extend
    5.2 s 5.2 s
  • Bowl Raise
    3 s 3 s
  • Bowl Lower
    3.5 s 3.5 s
  • Bail Lower
    3.2 s 3.2 s
Non Push-Pull
  • Overall Length
    45.9 ft 14.02 m
  • Operating Weight - Empty
    79787 lb 36185 kg
Push-Pull
  • Operating Weight - Empty
    80630 lb 36567 kg
  • Overall Length - With Bail Down
    51.1 ft 15.58 m
Safety Criteria Compliance Standards
  • Reverse Alarm
    ISO 9533:2010
  • Brakes
    ISO 3450:1996
  • Rollover Protection Structure (ROPS)
    ISO 3471:2008 for up to 17 084 kg (37,664 lb)
  • Falling Object Protective Structure (FOPS)
    ISO 3449:2005 Level II
  • Steering System
    ISO 5010:2007
  • Seat Belt
    SAE J386:JUN1985
Scraper Bowl
  • Scraper Capacity - Heaped
    24 yd³ 18.4 m³
Service Refill Capacities
  • Fuel Tank
    216.09 gal (US) 818 l
  • Crankcase
    8.08 gal (US) 30.58 l
  • Hydraulic System
    21.926 gal (US) 83 l
  • Diesel Exhaust Fluid
    8.057 gal (US) 30.5 l
  • Cooling System
    11.89 gal (US) 45 l
  • Transmission System
    24.76 gal (US) 93 l
Tractor Engine
  • Flywheel Power - Tractor/Scraper
    304 kW (407 hp)
Transmission
  • Top Speed - Loaded
    33.5 mile/h 53.9 km/h
Travel Speeds - Runout
  • Transmission Gear - Eighth
    33.5 mile/h 53.9 km/h
  • Transmission Gear - Third
    7.5 mile/h 12.1 km/h
  • Transmission Gear - Fourth
    10.1 mile/h 16.3 km/h
  • Transmission Gear - First
    3.1 mile/h 5 km/h
  • Transmission Gear - Fifth
    13.6 mile/h 21.9 km/h
  • Transmission Gear - Reverse
    5.7 mile/h 9.2 km/h
  • Transmission Gear - Seventh
    24.8 mile/h 39.9 km/h
  • Transmission Gear - Sixth
    18.4 mile/h 29.6 km/h
  • Transmission Gear - Second
    5.5 mile/h 8.9 km/h
Benefits

BE MORE PRODUCTIVE

        
  • Advanced Productivity Electronic Control System (APECS) allows the engine and transmission to communicate on a high level. This communication allows the machine to utilize better the power and torque the engine is producing. The net result is 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 replaces Top Gear Selection.
  •     
  • 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.
  •     
  • Boost productivity with the Cat Payload feature (optional attachment). Cat Payload is an automatic feature when ordered with Sequence Assist.
  •     
  • Cat Payload for scrapers is an earthmoving solution for optimal payload and job site 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

        
  • Reduce up to 14 individual operator commands per cycle with Sequence Assist (optional attachment).
  •     
  • Steer with less effort using the newly designed high-pressure 
    steering system.
  •     
  • Enjoy interior improvements and a more ergonomic work environment
     with a 21% larger cab than the G Series cab.
  •     
  • Intuitive, ergonomic controls keep operators focused on their work.
  •     
  • Maintain desired cab temperature with automatic temperature 
    control.

DESIGNED FOR SAFETY

        
  • Enhance an operator’s awareness of site surroundings with the
     Work Area Vision System (WAVS).
  •     
  • Seat belt indicator provides visual and audible alerts when the seat
    belt is not in use.
  •     
  • Advanced Cushion Hitch allows the cushion hitch to prevent end
    stroke by predicting endstroke events and managing the
     rate of dampening, resulting in reduced hitch maintenance and improved
     operator ride in rough conditions.

EASY TO OPERATE

        
  • The spacious cab features easy, intuitive controls and excellent visibility
    . The cab provides a comfortable working environment for all-day
     operations.
  •     
  • Cat Advanced Ride Management (ARM) seat suspension reduces
     endstroke 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's speed by canceling the throttle command
     and engaging the engine compression brake.

INTEGRATED CAT TECHNOLOGIES

        
  • Monitor, manage, and enhance job site operations.
  •     
  • 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.
  •     
  • Vision Link™ collects machine data that can be viewed online through web and mobile applications (optional attachment).
  •     
  • 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.
  •     
  • Shorten the learning curve for inexperienced operators with Cat grade control and load assist. (optional attachment).

EXECUTE EFFICIENCY

        
  • The new tractor hydraulic on-demand fan helps assist in lower fuel consumption.
  •     
  • The Cat C13 tractor engine meets U.S. EPA Tier 4 Final or EU Stage V emission standards, contributing to lower fuel consumption.
  •     
  • Using draft-arm overflow guards, diverts material away from the bowl, preventing material from getting caught between the draft arms and the bowl sides.
  •     
  • Cat Grade Control (optional attachment) intelligently ensures the machine does not cut below grade in a cut area or overfill in the fill area.
Equipment Info

NOTE

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

OTHER STANDARD EQUIPMENT - SCRAPER

Fender, scraper

POWER TRAIN - TRACTOR

Cat® C13 engine with MEUI™

INTEGRATED TECHNOLOGIES

Sequence Assist and Cat Payload Arrangement

POWER TRAIN - SCRAPER

Braking system: - Primary and secondary, wet disc, hydraulic

ELECTRICAL - TRACTOR

Alternator, 150 Amp

ELECTRICAL - SCRAPER

Alarm, backup

OPERATOR ENVIRONMENT - TRACTOR

Camera arrangement - WAVS

FLUIDS

Extended Life Coolant to -37° C (-34° F)

OTHER STANDARD EQUIPMENT - TRACTOR

Advanced cushion hitch