623K Wheel Tractor-Scraper
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.
Engine
- Flywheel Power - Tractor/Scraper
- 304 kW (407 hp)
- Engine Model
- Cat C13
- Flywheel Power - Tractor
- 407 HP
- Rated Engine RPM
- 2000 r/min
- Note
- C13 engine emits equivalent to U.S. EPA Tier 2/EU Stage II or U.S. EPA Tier 3/EU Stage III.
Scraper Bowl
- Scraper Capacity - Heaped
- 23 yd³
Transmission
- Top Speed - Loaded
- 33.5 mile/h
Dimensions
- Width - Outside Rear Tires
- 128.9 in
- Width - Overall Machine
- 141.1 ft
- Width - Tractor
- 133.1 ft
- Width - Inside of Bowl
- 120 ft
- Height - Overall Shipping
- 158.9 ft
- Height - Top of Cab
- 142.6 ft
- Ground Clearance - Tractor
- 21.9 ft
- Front of Tractor to Front Axle
- 122.8 ft
- Axle to Vertical Hitch Pin
- 17 ft
- Height - Scraper Blade Maximum
- 20.5 ft
- Wheel Base
- 329.5 ft
- Length - Overall Machine
- 542 ft
- Rear Axle - Rear of Machine
- 89.7 ft
- Width - Rear Tire Centers
- 90.2 in
- Width - Overall Machine - Ladder Down
- 149.2 in
- Height - Top of Elevator
- 148.3 in
Service Refill Capacities
- Fuel Tank
- 216.09 gal (US)
- Crankcase
- 8.08 gal (US)
- Cooling System
- 11.89 gal (US)
- Hydraulic System
- 21.926 gal (US)
- Transmission System
- 24.76 gal (US)
General
- Width - Cut
- 10.3 ft
- Overall Shipping Height
- 12.37 ft
- Maximum Depth of Cut
- 10.3 in
- Fuel Tank Refill Capacity - Scraper
- 201 gal (US)
- Rated Load
- 25 038 kg (55,200 lb); 25.1 tonnes (27.6 tons)
- Operating Weight - Empty
- 88061 lb
- Elevator Flight Spacing
- 20 in
- Overall Length
- 45.18 ft
- Maximum Floor Opening
- 4.4 ft
- Top Speed - Loaded
- 33.5 mile/h
- Scraper Capacity - Struck
- 18.8 yd³
- Tires - Tractor Drive
- 33.25R29**E3
- 180° Curb-to-Curb Turning Width
- 38.71 ft
- Overall Width
- 11.71 ft
- Maximum Depth of Spread
- 18.3 in
- Tires - Scraper
- 33.25R29**E3
- Number of Flights
- 15
- Scraper Capacity - Heaped
- 23 yd³
Safety Criteria Compliance Standards
- Falling Object Protective Structure (FOPS)
- ISO 3449:2005 Level II
- Rollover Protection Structure (ROPS)
- ISO 3471:2008 for up to 17 084 kg (37,664 lb)
- Brakes
- ISO 3450:2011
- Reverse Alarm
- ISO 9533:2010
- Seat Belt
- SAE J386:JUN1985
- Steering System
- ISO 5010:2007
Travel Speeds - Runout
- Transmission Gear - First
- 3.1 mile/h
- Transmission Gear - Sixth
- 18.4 mile/h
- Transmission Gear - Fifth
- 13.6 mile/h
- Transmission Gear - Eighth
- 33.5 mile/h
- Transmission Gear - Third
- 7.5 mile/h
- Transmission Gear - Seventh
- 24.8 mile/h
- Transmission Gear - Reverse
- 5.7 mile/h
- Transmission Gear - Fourth
- 10.1 mile/h
- Transmission Gear - Second
- 5.5 mile/h
Cab
- Exterior Sound Level
- The exterior sound power level for the standard machine (ISO 6393) is 111.5 dB(A).
- ROPS/FOPS
- Meets ISO standards
Implement Cycle Times
- Ejector Retract
- 9.7 s
- Ejector Extend
- 6.45 s
- Bowl Raise
- 3 s
- Bowl Lower
- 3.5 s
