Wheel Tractor-Scrapers 623K One machine team

Flywheel Power - Tractor/Scraper
304 kW (407 hp)
304 kW (407 hp)
Scraper Capacity - Heaped
23.0 yd³
17.6 m³
Top Speed - Loaded
33.5 mile/h
53.9 km/h

Product Specifications for 623K

General

Engine

Transmission

Scraper Bowl

Service Refill Capacities

Dimensions

Cab

Safety Criteria Compliance Standards

Travel Speeds - Runout

Implement Cycle Times

623K Standard Equipment

POWER TRAIN – TRACTOR

  • Cat C13 ACERT engine with MEUI™
  • 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
    – Throttle lock
  • Transmission:
    – 8-speed planetary power shift
    – ECPC control
    – APECS software
    – Programmable top gear selection
    – Transmission hold
    – Differential lock
    – Guard, power train
    – Standard tire spin reduction
    – Ground speed control
    – Machine speed limit
    – Differential lock protection

POWER TRAIN – SCRAPER

  • Braking system:
    – Primary and secondary, wet disc, hydraulic

ELECTRICAL – TRACTOR

  • Alternator, 150 Amp
  • Batteries (4), 12V, 1,000 CCA, maintenance free, high output
  • Electrical system, 24V
  • Lighting system:
    – Headlights, halogen
    – Turn signals with hazard function, LED floodlights, (2) cutting edge (1) bowl, halogen side vision (2)
  • Starting/charging receptacle

ELECTRICAL – SCRAPER

  • Alarm, backup
  • Lighting system:
    – Brake lights, LED
    – Turn 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
  • Keypad switches:
    – Throttle lock
    – Wipers/washers
    – Hazard lights
    – Retarding level select
    – Work lights on, off
    – Information mode on Messenger Display
  • Safety tab rocker switches:
    – Regeneration control
    – Parking brake
  • 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
  • Gauges, warnings include:
    – Coolant temperature
    – Engine oil temperature
    – Hydraulic oil temperature
    – Fuel level
    – Park brake
    – Implement lockout
    – Brake system
    – Regeneration required
    – Throttle lock
    – System voltage
    – Secondary steering
    – Bail down
    – Ejector auto
    – Differential lock
    – Apron float
    – Transmission hold
    – Cushion hitch
    – High beam lights
    – Action lamp
    – Engine speed, rpm
    – Gear selection

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

OTHER STANDARD EQUIPMENT – SCRAPER

  • Bowl
    – 17.6 m³ (23 yd³), heaped
    – 13.5 m³ (17.6 yd³), struck
  • Vandalism locks
  • Elevator with 15 flights
  • Hydraulic position sensing cylinders (bowl lift and apron)

623K Optional Equipment

STEERING ARRANGEMENTS

  • Secondary Steering Arrangement

INTEGRATED TECHNOLOGIES

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

WORK LIGHT ATTACHMENTS

  • HID work lights

AMBIENT CAPABILITY ARRANGEMENTS

  • Cooling, high ambient HRC
  • Cooling, low ambient HRC
  • Cooling, high ambient LRC
  • Cooling, low ambient LRC

OTHER ATTACHMENTS

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

SERVICE INSTRUCTIONS

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

Tools And Expert Help At Every Turn

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Compatible Technology and Services

Leverage Caterpillar connected data and security principles to improve efficiencies, increase productivity and make your business more profitable.

  • Cat Detect with Vision for Construction

    Caterpillar designed CCTV camera systems enhance the operators view around the perimeter of the vehicle during startup and vehicle maneuvering increasing safety and productivity.

    Work Area Vision System (WAVS) can be used on any Cat and non Cat® machines where the operator's view is limited due to blind spots around the machine. is WAVS has multiple offerings from a one camera system to up to a four camera system. Additionally, three tiers of systems are available, a heavy duty version, customized partial kit (build to fit your machine), and a light duty version.

    Cat Detect with Vision for Construction is not compatible with or scalable to Cat Detect Object Detection.

Caterpillar designed CCTV camera systems enhance the operators view around the perimeter of the vehicle during startup and vehicle maneuvering increasing safety and productivity.

Work Area Vision System (WAVS) can be used on any Cat and non Cat® machines where the operator's view is limited due to blind spots around the machine. is WAVS has multiple offerings from a one camera system to up to a four camera system. Additionally, three tiers of systems are available, a heavy duty version, customized partial kit (build to fit your machine), and a light duty version.

Cat Detect with Vision for Construction is not compatible with or scalable to Cat Detect Object Detection.

  • Cat Product Link

    Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.

Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.

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