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623

Elevating Scrapers

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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Flywheel Power - Tractor/Scraper 304 kW (407 hp)

Scraper Capacity - Heaped 17.6 m³

Top Speed - Loaded 53.9 km/h

Engine Model Cat C13

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623

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OVERVIEW

One machine team

FEATURES & BENEFITS

BE MORE PRODUCTIVE

BE MORE PRODUCTIVEUp to 7% additional elevator torque.Up to 50% improvement in chain life.Enhanced elevator drive sprocket for reduced chain wear.Improved scissor-style c... Read more

WORK IN COMFORT

WORK IN COMFORTReduce up to 14 individual operator commands per cycle withSequence Assist (optional attachment).Steer with less effort using the newly designed high-press... Read more

DESIGNED FOR SAFETY

DESIGNED FOR SAFETYBrakes are hydraulically actuated wet disc brakes for the tractorand scraper.Get in and out of the cab easier with the new powered accessladder system... Read more

EASY TO OPERATE

EASY TO OPERATEThe spacious cab features easy, intuitive controls and excellentvisibility. The cab provides a comfortable working environment forall-day operation.Cat Adv... Read more

INTEGRATED CAT TECHNOLOGIES

INTEGRATED CAT TECHNOLOGIESMonitor, manage, and enhance jobsite operations.Hit target grade faster and more accurately with Cat GRADE technologies. Finish jobs in fewer p... Read more

EXECUTE EFFICIENCY

EXECUTE EFFICIENCYThe new tractor hydraulic on-demand fan helps assist in lower fuel consumption.The Cat C13 tractor engine emits equivalent to U.S. EPA Tier 2 and EU Sta... Read more

SPECIFICATIONS FOR 623

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Engine

Flywheel Power - Tractor/Scraper	304 kW (407 hp)
Engine Model	Cat C13
Rated Engine RPM	2000 r/min
Flywheel Power - Tractor	304 kW
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

17.6 m³

General

Top Speed - Loaded	53.9 km/h
Overall Length	13.77 m
Maximum Depth of Spread	465 mm
Fuel Tank Refill Capacity - Scraper	763 l
Width - Cut	3.14 m
Overall Width	3.57 m
Number of Flights	15
Tires - Scraper	33.25R29**E3
Maximum Floor Opening	1.34 m
Maximum Depth of Cut	262 mm
Elevator Flight Spacing	520 mm
Rated Load	25 038 kg (55,200 lb); 25.1 tonnes (27.6 tons)
Overall Shipping Height	3.77 m
Scraper Capacity - Struck	14.4 m³
Tires - Tractor Drive	33.25R29**E3
Scraper Capacity - Heaped	17.6 m³
180° Curb-to-Curb Turning Width	11.8 m
Operating Weight - Empty	39937 kg

Transmission

Top Speed - Loaded

53.9 km/h

Service Refill Capacities

Fuel Tank	818 l
Crankcase	30.58 l
Cooling System	45 l
Transmission System	93 l
Hydraulic System	83 l

Dimensions

Height - Overall Shipping	4037 mm
Length - Overall Machine	13767 mm
Width - Overall Machine	3585 mm
Height - Top of Cab	3621 mm
Height - Scraper Blade Maximum	520 mm
Width - Tractor	3381 mm
Width - Inside of Bowl	3048 mm
Width - Outside Rear Tires	3275 mm
Front of Tractor to Front Axle	3119 mm
Wheel Base	8370 mm
Rear Axle - Rear of Machine	2278 mm
Ground Clearance - Tractor	557 mm
Height - Top of Elevator	3768 mm
Width - Overall Machine - Ladder Down	3790 mm
Width - Rear Tire Centers	2290 mm
Axle to Vertical Hitch Pin	432 mm

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

Safety Criteria Compliance Standards

Falling Object Protective Structure (FOPS)	ISO 3449:2005 Level II
Reverse Alarm	ISO 9533:2010
Brakes	ISO 3450:2011
Seat Belt	SAE J386:JUN1985
Rollover Protection Structure (ROPS)	ISO 3471:2008 for up to 17 084 kg (37,664 lb)
Steering System	ISO 5010:2007

Travel Speeds - Runout

Transmission Gear - Third	12.1 km/h
Transmission Gear - Fifth	21.9 km/h
Transmission Gear - Sixth	29.6 km/h
Transmission Gear - Seventh	39.9 km/h
Transmission Gear - First	5 km/h
Transmission Gear - Fourth	16.3 km/h
Transmission Gear - Reverse	9.2 km/h
Transmission Gear - Eighth	53.9 km/h
Transmission Gear - Second	8.9 km/h

Implement Cycle Times

Ejector Extend	6.45 s
Bowl Lower	3.5 s
Bowl Raise	3 s
Ejector Retract	9.7 s

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PAYMENT & DELIVERY

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