623 Wheel Tractor-Scraper

One machine team

Quick loading, high travel speeds and the ability to load and dump on the run yield fast cycle times, allowing Cat Wheel Tractor-Scrapers to consistently deliver high productivity at the lowest cost per ton.

Quick loading, high travel speeds and the ability to load and dump on the run yield fast cycle times, allowing Cat Wheel Tractor-Scrapers to consistently deliver high productivity at the lowest cost per ton.

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BE MORE PRODUCTIVE
WORK IN COMFORT
DESIGNED FOR SAFETY
EASY TO OPERATE
INTEGRATED CAT TECHNOLOGIES
EXECUTE EFFICIENCY

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Features + Specs

Equipment Features
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Specs
  • Exterior Sound Level: The exterior sound power level for the standard machine (ISO 6395:2008) is 114 dB(A).
  • ROPS/FOPS: Meets ISO standards
  • Flywheel Power - Tractor/Scraper: 304 kW (407 hp)
  • Engine Model: Cat® C13
  • Rated Engine RPM: 2000 r/min
  • Flywheel Power - Tractor: 407 hp
  • Note: Meets U.S. EPA Tier 4 Final and EU Stage V emission standards, or equivalent to U.S. EPA Tier 2, or equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
  • Top Speed - Loaded: 33.5 mile/h
  • Overall Width: 11.8 ft
  • Overall Shipping Height: 12.37 ft
  • Scraper Capacity - Heaped: 23 yd³
  • Scraper Capacity - Struck: 18.8 yd³
  • Rated Load: 25 038 kg (55,200 lb); 25.1 tonnes (27.6 tons)
  • Width - Cut: 10.4 ft
  • Maximum Depth of Cut: 10.3 in
  • Maximum Depth of Spread: 18.3 in
  • 180° Curb-to-Curb Turning Width: 38.71 ft
  • Tires - Tractor Drive: 33.25R29**E3
  • Tires - Scraper: 33.25R29**E3
  • Number of Flights: 15
  • Maximum Floor Opening: 4.4 ft
  • Overall Length: 45.18 ft
  • Elevator Flight Spacing: 20 in
  • Height - Overall Shipping: 158.9 in
  • Length - Overall Machine: 542 in
  • Axle to Vertical Hitch Pin: 17 in
  • Width - Overall Machine: 141.1 in
  • Width - Overall Machine - Ladder Down: 149.2 in
  • Height - Top of Cab: 142.6 in
  • Height - Scraper Blade Maximum: 20.5 in
  • Width - Tractor: 133.1 in
  • Width - Inside of Bowl: 120 in
  • Width - Outside Rear Tires: 128.9 in
  • Front of Tractor to Front Axle: 122.8 in
  • Wheel Base: 329.5 in
  • Rear Axle - Rear of Machine: 89.7 in
  • Ground Clearance - Tractor: 21.9 in
  • Width - Rear Tire Centers: 90.2 in
  • Height - Top of Elevator: 148.3 in
  • Scraper Capacity - Heaped: 23 yd³
  • Top Speed - Loaded: 33.5 mile/h
  • Ejector Extend: 6.5 s
  • Ejector Retract: 9.7 s
  • Bowl Lower: 3.5 s
  • Bowl Raise: 3 s
  • Transmission Gear - First: 3.1 mile/h
  • Transmission Gear - Second: 5.5 mile/h
  • Transmission Gear - Third: 7.5 mile/h
  • Transmission Gear - Fourth: 10.1 mile/h
  • Transmission Gear - Fifth: 13.6 mile/h
  • Transmission Gear - Sixth: 18.4 mile/h
  • Transmission Gear - Seventh: 24.8 mile/h
  • Transmission Gear - Eighth: 33.5 mile/h
  • Transmission Gear - Reverse: 5.7 mile/h
  • Final Drive - Each: 5 gal (US)
  • Crankcase: 9.7 gal (US)
  • Transmission System: 25.5 gal (US)
  • Fuel Tank: 216.09 gal (US)
  • Hydraulic System: 21.926 gal (US)
  • Differential: 41.7 gal (US)
  • Steering System: ISO 5010:2007
  • 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
  • Reverse Alarm: ISO 9533:2010
  • Brakes: ISO 3450:2011
  • Seat Belt: SAE J386:JUN1985
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