Caterpillar Performance Handbook, January 2017, SEBD0351-47

Specifications ● Elevating Bowl

Wheel Tractor-Scrapers

MODEL

623K

Flywheel Power

304 kW

407 hp

Approx. OperatingWeight (Empty) ◀

39 866 kg

87,809 lb 18.8 yd 3

Scraper Capacity: Struck Scraper Capacity: Heaped

14.4 m 3 17.6 m 3

23 yd 3

Rated Load

25 038 kg

55,200 lb

Weight Distribution — Empty: Drive

63% 37%

Rear

Weight Distribution — Loaded: Drive

52% 48%

Rear

Engine Model

C13 ACERT™

Emission Standards Rated Engine RPM

Tier 4 Final/Stage IV/Japan 2014 (Tier 4 Final)

2000

Displacement

12.5 L

763 in 3

Top Speed (Loaded)

53.9 km/h

33.5 mph

180° Curb-to-CurbTurningWidth

19.01 m

62'4"

Tires — Standard: Tractor/Scraper

33.25R29 ★★ E3

Width of Cut

3.14 m

10'4" 10.3"

Maximum Depth of Cut Elevator Flight Spacing

262 mm 520 mm

20"

Number of Flights

15

Maximum Floor Opening Maximum Depth of Spread Fuel Tank Refill Capacity

1.34 mm 465 mm

4'4"

18'3"

763 L 31.5 L

201 U.S. gal 8.3 U.S. gal

Tractor DEF Tank

GENERAL DIMENSIONS: Height — Overall Shipping

3.77 m 8.37 m 13.77 m 3.57 m 2.29 m 2.28 m

12'3" 27'5" 45'2" 11'7"

Wheelbase

Overall Length Overall Width

Center Line of Scraper Tread Center Line of Tractor Tread

7'5"

7'4" ◀ Operating weight includes coolants, lubricants, full fuel tank and operator. Operating weights for the 623K are based on U.S. EPATier 4 Final/EU Stage IV/ Japan 2014 (Tier 4 Final) platform machines. Deduct 243 kg (536 lb) for the operating weight for the 623K Tier 2/Stage II/Japan 2001 (Tier 2) equivalent. NOTE: WheelTractor-Scrapers are not emission certified in Japan market. Elevating The Elevating Wheel Tractor-Scraper is a self-loading hauling system with the added ability to mix/homogenize material and do precise finishing work. Elevating Bowl Advantages: ● Load/haul/spread with little support equipment ● Conditions material as it loads ● Capable to work as a single machine ● Aids in compaction ● Finishing work ● Low rolling resistance applications ● Short cut areas ● Favorable material types ● Windrow applications ● Thin, precise lifts Single Engine Advantages (Compared toTandem Engine): ● Lower fuel usage ● Lower gross vehicle weight

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