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Caterpillar

623 Wheel Tractor-Scraper

Flywheel Power – Tractor/Scraper

304 kW (407 hp)

304 kW (407 hp)

Scraper Capacity – Heaped

23 yd³

17.6 m³

Top Speed – Loaded

33.5 mile/h

53.9 km/h

Overview

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.

Media

Photos

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Videos

Wheel Tractor Scraper CAT® K Series
Wheel Tractor-Scraper K Series Operator Testimonial

360° View

Exterior

360° Exterior view. Double click on the image to zoom in on any area of the product.

Interior

360° interior view. Double click on the image to zoom in on any area of the product.

Documents

Details

Specifications

Spec Value
Overall Length 45.18 ft 13.77 m
Maximum Depth of Spread 18.3 in 465 mm
Top Speed – Loaded 33.5 mile/h 53.9 km/h
Fuel Tank Refill Capacity – Scraper 201 gal (US) 763 l
Width – Cut 10.3 ft 3.14 m
Overall Width 11.71 ft 3.57 m
Number of Flights 15 15
Tires – Scraper 33.25R29**E3 33.25R29**E3
Maximum Floor Opening 4.4 ft 1.34 m
Maximum Depth of Cut 10.3 in 262 mm
Elevator Flight Spacing 20 in 520 mm
Rated Load 25 038 kg (55,200 lb); 25.1 tonnes (27.6 tons) 25 038 kg (55,200 lb); 25.1 tonnes (27.6 tons)
Overall Shipping Height 12.37 ft 3.77 m
Scraper Capacity – Struck 18.8 yd³ 14.4 m³
Tires – Tractor Drive 33.25R29**E3 33.25R29**E3
Scraper Capacity – Heaped 23 yd³ 17.6 m³
180° Curb-to-Curb Turning Width 38.71 ft 11.8 m
Operating Weight – Empty 88061 lb 39937 kg
Spec Value
Flywheel Power – Tractor/Scraper 304 kW (407 hp) 304 kW (407 hp)
Rated Engine RPM 2000 r/min 2000 r/min
Engine Model Cat C13 Cat C13
Flywheel Power – Tractor 407 hp 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. C13 engine emits equivalent to U.S. EPA Tier 2/EU Stage II or U.S. EPA Tier 3/EU Stage III.
Spec Value
Top Speed – Loaded 33.5 mile/h 53.9 km/h
Spec Value
Scraper Capacity – Heaped 23 yd³ 17.6 m³
Spec Value
Fuel Tank 216.09 gal (US) 818 l
Crankcase 8.08 gal (US) 30.58 l
Cooling System 11.89 gal (US) 45 l
Transmission System 24.76 gal (US) 93 l
Hydraulic System 21.926 gal (US) 83 l
Spec Value
Height – Overall Shipping 158.9 in 4037 mm
Length – Overall Machine 542 in 13767 mm
Width – Overall Machine 141.1 in 3585 mm
Height – Top of Cab 142.6 in 3621 mm
Height – Scraper Blade Maximum 20.5 in 520 mm
Width – Tractor 133.1 in 3381 mm
Width – Inside of Bowl 120 in 3048 mm
Width – Outside Rear Tires 128.9 in 3275 mm
Front of Tractor to Front Axle 122.8 in 3119 mm
Wheel Base 329.5 in 8370 mm
Rear Axle – Rear of Machine 89.7 in 2278 mm
Ground Clearance – Tractor 21.9 in 557 mm
Height – Top of Elevator 148.3 in 3768 mm
Width – Overall Machine – Ladder Down 149.2 in 3790 mm
Width – Rear Tire Centers 90.2 in 2290 mm
Axle to Vertical Hitch Pin 17 in 432 mm
Spec Value
Exterior Sound Level The exterior sound power level for the standard machine (ISO 6393) is 111.5 dB(A). The exterior sound power level for the standard machine (ISO 6393) is 111.5 dB(A).
ROPS/FOPS Meets ISO standards Meets ISO standards
Spec Value
Falling Object Protective Structure (FOPS) ISO 3449:2005 Level II ISO 3449:2005 Level II
Reverse Alarm ISO 9533:2010 ISO 9533:2010
Brakes ISO 3450:2011 ISO 3450:2011
Seat Belt SAE J386:JUN1985 SAE J386:JUN1985
Rollover Protection Structure (ROPS) ISO 3471:2008 for up to 17 084 kg (37,664 lb) ISO 3471:2008 for up to 17 084 kg (37,664 lb)
Steering System ISO 5010:2007 ISO 5010:2007
Spec Value
Transmission Gear – Third 7.5 mile/h 12.1 km/h
Transmission Gear – Fifth 13.6 mile/h 21.9 km/h
Transmission Gear – Sixth 18.4 mile/h 29.6 km/h
Transmission Gear – Seventh 24.8 mile/h 39.9 km/h
Transmission Gear – First 3.1 mile/h 5 km/h
Transmission Gear – Fourth 10.1 mile/h 16.3 km/h
Transmission Gear – Reverse 5.7 mile/h 9.2 km/h
Transmission Gear – Eighth 33.5 mile/h 53.9 km/h
Transmission Gear – Second 5.5 mile/h 8.9 km/h
Spec Value
Ejector Extend 6.45 s 6.45 s
Bowl Lower 3.5 s 3.5 s
Bowl Raise 3 s 3 s
Ejector Retract 9.7 s 9.7 s

Standard Equipment

NOTE

  • Standard and optional equipment may vary. Consult your Cat dealer for details.

POWER TRAIN - TRACTOR

  • Cat C13
  • Cat engine brake
  • Electric start, 24 Volt
  • Air cleaner, dry type with precleaner
  • Fan, hydraulic
  • Ground level engine shutdown
  • Radiator, aluminum unit core, 9 fins per inch
  • Guard, crankcase
  • Muffler (only for less or non-regulated regions engine arrangement only)
  • Starting aid, ether

BRAKING SYSTEM

  • Primary and secondary, wet disc, hydraulic
  • Parking , hydraulic released, spring applied
  • Primary and secondary, wet disc, hydraulic
  • Throttle lock

TRANSMISSION

  • Guard, power train
  • Programmable top gear selection
  • Differential lock
  • Transmission hold
  • APECS software
  • ECPC control
  • Ground speed control
  • 8-speed planetary power shift
  • Machine speed limit
  • Differential lock protection
  • Standard tire spin reduction

ELECTRICAL - TRACTOR

  • Alternator, 150 Amp
  • Batteries (4), 12V, 1,000 CCA, maintenance free, high output
  • Electrical system, 24V
  • Starting/charging receptacle

LIGHTING SYSTEM - TRACTOR

  • Headlights, halogen
  • LED Floodlights
  • Turn Signals with hazard Function
  • Cutting Edge (2)
  • Bowl (1)
  • Halogen sdie vision (2)

ELECTRICAL - SCRAPER

  • Alarm, backup

LIGHTING SYSTEM - SCRAPER

  • Brake lights, LED
  • Trun signals with hazard function, LED

OPERATOR ENVIRONMENT - TRACTOR

  • HVAC system, heat, AC, defrost
  • Thermostat control of HVAC system
  • Coat hook
  • Lunchbox platform with holding strap
  • Diagnostic connection (2)
  • 12V power ports (2)
  • Differential lock (1)
  • Dome courtesy light
  • Horn, electric
  • T-Handle implement control
  • Mirror, rearview
  • Radio ready
  • ROPS/FOPS cab, pressurized
  • Seat belt, static two-piece
  • Seat, Cat Advanced Ride Management (ARM), Cat Comfort Series 3, rotates 30 degrees
  • Steering wheel, tilt, telescoping, padded
  • Windows, right side emergency egress
  • Windows, sliding
  • Windows, laminated, zipped in
  • Windshield wipers, front and rear windows, includes washers
  • Door lock
  • Messenger Display

KEYPAD SWITCHES

  • Hazard lights
  • Wipers/washers
  • Work lights on/off
  • Retarding level select
  • Information mode on Messenger Display
  • Throttle lock

SAFETY TAB ROCKER SWITCHES

  • Parking Brake
  • Regeneration control

GAUGES, WARNINGS INCLUDE:

  • Hydraulic oil temperature
  • Ejector auto
  • Engine oil temperature
  • Regeneration required
  • Brake system
  • High beam lights
  • Bail down
  • Transmission hold
  • Engine speed, rpm
  • Cushion hitch
  • Gear selection
  • Implement lockout
  • Differential lock (1)
  • Coolant temperature
  • Park brake
  • Apron float
  • Throttle lock
  • Fuel level
  • System voltage
  • Action lamp
  • Secondary steering

FLUIDS

  • Extended Life Coolant to -37� C (-34� F)

OTHER STANDARD EQUIPMENT - TRACTOR

  • Advanced cushion hitch
  • Accumulators (cushion hitch) with Canadian Registration Number (CRN)
  • Fast oil change
  • Fenders, non-metallic
  • Heater, engine coolant 120V
  • Rims (2)
  • Tow pin, front
  • Vandalism locks
  • Heater, engine coolant 120V

BOWL

  • 13.5 m� (17.6 yd�), struck
  • 17.6 m³ (23 yd³), heaped

OTHER STANDARD EQUIPMENT - SCRAPER

  • Vandalism locks
  • Elevator with 15 flights
  • Hydraulic position sensing cylinders (bowl lift and apron)

Optional Equipment

NOTE

  • Standard and optional equipment may vary. Consult your Cat dealer for details.

STEERING ARRANGEMENTS

  • Secondary Steering Arrangement

INTEGRATED TECHNOLOGIES

  • Sequence Assist Arrangement
  • Product Link
  • Cat Grade Control with Load Assist

OTHER ATTACHMENTS

  • Camera arrangement – WAVS
  • Steering lock – external
  • Cab beacon
  • Air horn
  • Air horn and beacon
  • Fender, scraper
  • Wiring group
  • Year of manufacture plate

WORK LIGHT ATTACHMENTS

  • HID work lights

AMBIENT CAPABILITY ARRANGEMENTS

  • Cooling, high ambient HRC
  • Extended Life Coolant, -50� C (-58� F)
  • Cooling, high ambient LRC
  • Cooling, low ambient LRC

SERVICE INSTRUCTIONS

  • Film arrangement – U.S. (ANSI)
  • Film arrangement – International (ISO)

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