C10337147

Cat 623K

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Specifications

General
180° Curb-to-Curb Turning Width 38.71 ft
Elevator Flight Spacing 20 in
Fuel Tank Refill Capacity - Scraper 201 gal (US)
Maximum Depth of Cut 10.3 in
Maximum Depth of Spread 18.3 in
Maximum Floor Opening 4.4 ft
Number of Flights 15
Operating Weight - Empty 88061 lb
Overall Length 45.18 ft
Overall Shipping Height 12.37 ft
Overall Width 11.71 ft
Rated Load 25 038 kg (55,200 lb); 25.1 tonnes (27.6 tons)
Scraper Capacity - Heaped 23 yd³
Scraper Capacity - Struck 18.8 yd³
Tires - Scraper 33.25R29**E3
Tires - Tractor Drive 33.25R29**E3
Top Speed - Loaded 33.5 mile/h
Width - Cut 10.3 ft
Engine
Flywheel Power - Tractor/Scraper 304 kW (407 hp)
Engine Model Cat C13 ACERT™
Flywheel Power - Tractor 407 HP
Note Cat C13 ACERT engine meets U.S. Environmental Protection Agency (EPA) Tier 4 Final/EU Stage IV engine emission standards.
Rated Engine RPM 2000 r/min
Transmission
Top Speed - Loaded 33.5 mile/h
Scraper Bowl
Scraper Capacity - Heaped 23 yd³
Service Refill Capacities
Fuel Tank 216.09 gal (US)
Crankcase 8.08 gal (US)
Cooling System 11.89 gal (US)
Diesel Exhaust Fluid 8.057 gal (US)
Hydraulic System 21.926 gal (US)
Transmission System 24.76 gal (US)
Dimensions
Height - Overall Shipping 158.9 in
Length - Overall Machine 542 in
Width - Overall Machine 141.1 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
Axle to Vertical Hitch Pin 17 in
Height - Top of Elevator 148.3 in
Width - Overall Machine - Ladder Down 149.2 in
Width - Rear Tire Centers 90.2 in
Cab
Exterior Sound Level The exterior sound power level for the standard machine (ISO 6393) is 111.5 dB(A).
ROPS/FOPS Meets SAE and ISO standards
Safety Criteria Compliance Standards
Brakes ISO 3450:1996
Falling Object Protective Structure (FOPS) ISO 3449:2005 Level II
Reverse Alarm ISO 9533:2010
Rollover Protection Structure (ROPS) ISO 3471:2008 for up to 17 084 kg (37,664 lb)
Seat Belt SAE J386:JUN1985
Steering System ISO 5010:2007
Travel Speeds - Runout
Transmission Gear - Eighth 33.5 mile/h
Transmission Gear - Fifth 13.6 mile/h
Transmission Gear - First 3.1 mile/h
Transmission Gear - Fourth 10.1 mile/h
Transmission Gear - Reverse 5.7 mile/h
Transmission Gear - Second 5.5 mile/h
Transmission Gear - Seventh 24.8 mile/h
Transmission Gear - Sixth 18.4 mile/h
Transmission Gear - Third 7.5 mile/h
Implement Cycle Times
Bowl Lower 3.5 s
Bowl Raise 3 s
Ejector Extend 6.45 s
Ejector Retract 9.7 s

Features

• Tractor Serviceability Improvement - The filter bank located at the rear of the engine compartment has undergone improvements for serviceability by raising the filter bank up for easier access.
• Engine Over Speed Protection - In the event of an engine over speed situation, the compression brake or brakes will automatically engage with no operator input. The machine determines the over speed condition based on rate of acceleration and applies compression brakes automatically.
• Advanced Cushion Hitch - With similar technology as the Cat® Advanced Ride Management seat suspension, this software allows the cushion hitch to prevent end stroke by having the ability to predict end stroke events and manage the rate of dampening. The desired result is improved hitch repair, reduced maintenance and improved operator ride in rough conditions.
• High Pressure Steering - 620K Series steering system design requires significantly less steering effort. The reduced steering effort will allow for decreased operator fatigue and a more efficient operator resulting in possible higher rates of production late in the work cycle.
• Load Assist Option - The 623K now is offered with the Load Assist option like the 621K and 627K.
• Draft Arm Overflow Guards - The open bowls now come standard with bowl side overflow guards to help prevent material from flowing over the bowl sides and falling onto the draft arms where material becomes lodged between the bowl side and draft arm resulting in decreased work cycle times.
• Auto Stall - In cold weather conditions the machine will use the Auto Stall feature to help warm up the transmission oil faster resulting in the machine shifting out of torque converter drive (2nd gear) faster than on previous models.
• Differential Lock Engagement Protection (Standard) - This standard feature allows the machine to prevent the operator from engaging the differential lock when damage could occur.
• Cab Improved - The interior of the K Series cabs has improved the operator comfort and visibility by redesigning the dash area and key pad placement.
• Machine Speed Limit - This feature is designed to take the place of top gear selection. If the machine top speed needs to be limited the operator can select the top speed through the display or the top speed can be set in ET. This will allow the machine to find the correct gear that works best for the engine and transmission. Allowing the engine and transmission to select the correct gear to pull the load in most cases resulting in a lower engine load factor and lower fuel burn verses using top gear selection that required the machine to run at engine speeds at or close high idle.
• Ground Speed Control - Ground Speed Control sets the desired top speed by the operator if job site conditions or segment speed limits require a speed less than full run out. Machine Speed Limit is intended for use when top speed needs to be limited for longer durations and Ground Speed Control is intended for use when the top speed needs to be reduced for shorter segments or intermediate periods of time. The operator can set the desired top speed and the machine will find the correct gear that works best for the engine and transmission. Allowing the engine and transmission to select the correct gear to pull the load in most cases will result in a lower engine load factor and lower fuel burn verses top gear selection.

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