
Caterpillar 623K Wheel Tractor-Scraper
THE RUNDOWN
BE MORE PRODUCTIVE
WORK IN COMFORT
DESIGNED FOR SAFETY
EASY TO OPERATE
INTEGRATED CAT TECHNOLOGIES
EXECUTE EFFICIENCY
General
Top Speed - Loaded | 33.5mile/h |
Number of Flights | 15 |
Operating Weight - Empty | 88061.0lb |
180° Curb-to-Curb Turning Width | 38.71ft |
Overall Shipping Height | 12.37ft |
Overall Length | 45.18ft |
Maximum Depth of Spread | 18.3in |
Fuel Tank Refill Capacity - Scraper | 201.0gal (US) |
Scraper Capacity - Struck | 18.8yd³ |
Scraper Capacity - Heaped | 23.0yd³ |
Rated Load | 25 038 kg (55,200 lb); 25.1 tonnes (27.6 tons) |
Tires - Tractor Drive | 33.25R29**E3 |
Width - Cut | 10.3ft |
Elevator Flight Spacing | 20.0in |
Overall Width | 11.71ft |
Maximum Depth of Cut | 10.3in |
Maximum Floor Opening | 4.4ft |
Tires - Scraper | 33.25R29**E3 |
Engine
Flywheel Power - Tractor/Scraper | 304 kW (407 hp) |
Rated Engine RPM | 2000.0r/min |
Engine Model | Cat C13 |
Flywheel Power - Tractor | 407.0hp |
Note | C13 engine emits equivalent to U.S. EPA Tier 2/EU Stage II or U.S. EPA Tier 3/EU Stage III. |
Transmission
Top Speed - Loaded | 33.5mile/h |
Scraper Bowl
Scraper Capacity - Heaped | 23.0yd³ |
Service Refill Capacities
Fuel Tank | 216.09gal (US) |
Crankcase | 8.08gal (US) |
Cooling System | 11.89gal (US) |
Hydraulic System | 21.926gal (US) |
Transmission System | 24.76gal (US) |
Dimensions
Height - Overall Shipping | 158.9in |
Length - Overall Machine | 542.0in |
Width - Overall Machine | 141.1in |
Height - Top of Cab | 142.6in |
Height - Scraper Blade Maximum | 20.5in |
Width - Tractor | 133.1in |
Width - Inside of Bowl | 120.0in |
Width - Outside Rear Tires | 128.9in |
Front of Tractor to Front Axle | 122.8in |
Wheel Base | 329.5in |
Rear Axle - Rear of Machine | 89.7in |
Ground Clearance - Tractor | 21.9in |
Width - Overall Machine - Ladder Down | 149.2in |
Axle to Vertical Hitch Pin | 17.0in |
Width - Rear Tire Centers | 90.2in |
Height - Top of Elevator | 148.3in |
Cab
ROPS/FOPS | Meets ISO standards |
Exterior Sound Level | The exterior sound power level for the standard machine (ISO 6393) is 111.5 dB(A). |
Safety Criteria Compliance Standards
Reverse Alarm | ISO 9533:2010 |
Steering System | ISO 5010:2007 |
Rollover Protection Structure (ROPS) | ISO 3471:2008 for up to 17 084 kg (37,664 lb) |
Seat Belt | SAE J386:JUN1985 |
Falling Object Protective Structure (FOPS) | ISO 3449:2005 Level II |
Brakes | ISO 3450:2011 |
Travel Speeds - Runout
Transmission Gear - Reverse | 5.7mile/h |
Transmission Gear - Sixth | 18.4mile/h |
Transmission Gear - Third | 7.5mile/h |
Transmission Gear - Second | 5.5mile/h |
Transmission Gear - Fifth | 13.6mile/h |
Transmission Gear - Seventh | 24.8mile/h |
Transmission Gear - First | 3.1mile/h |
Transmission Gear - Eighth | 33.5mile/h |
Transmission Gear - Fourth | 10.1mile/h |
Implement Cycle Times
Ejector Retract | 9.7s |
Bowl Raise | 3.0s |
Bowl Lower | 3.5s |
Ejector Extend | 6.45s |