Elevating Scrapers:

623H Wheel Tractor-Scraper

Flywheel Power: Tractor/Scraper
304 kW (407 hp)
Scraper Capacity: Heaped
23.0 yd3
Rated Load
55200.0 lb
1 Forward
3.1 mph

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.



Product Specs

  • Engine

  • Flywheel Power: Tractor/Scraper
    304 kW (407 hp)
    Maximum Power
    407HP
    Tractor
    Cat® C13 ACERT™
    Flywheel Power - Tractor/Scraper
    304 kW (407 hp)
  • Scraper Bowl

  • Scraper Capacity: Heaped
    23.0yd3
    Rated Load
    55200.0lb
    Heaped Capacity
    23yd³
    Maximum Depth of Cut
    10.3in
    Maximum Depth of Spread
    18.3in
    Maximum Ground Clearance at Cutting Edge
    20.8in
    Maximum Hydraulic Penetration Force
    132640lb
    Struck Capacity
    18.8yd³
    Thickness - Cutting Edge
    0.9in
    Width - Cut - Outside Router Bits
    123.5in
    Scraper Capacity - Heaped
    23yd³
    Rated Load
    55200lb
  • Transmission

  • 1 Forward
    3.1mph
    2 Forward
    5.5mph
    3 Forward
    7.5mph
    Reverse
    5.7mph
    Top Speed - Loaded
    33.5mile/h
    4 Forward
    10.1mile/h
    5 Forward
    13.6mile/h
    6 Forward
    18.4mile/h
    7 Forward
    24.8mile/h
    8 Forward
    33.5mile/h
    1 Forward
    3.1mile/h
    2 Forward
    5.5mile/h
    3 Forward
    7.5mile/h
    Reverse
    5.7mile/h
  • Hydraulics

  • Ejector Cylinder Bore
    4.3in
    Ejector Cylinder Stroke
    47.8in
    Bowl Cylinder Bore
    5.5in
    Bowl Cylinder Stroke
    33.3in
    Bowl Floor Cylinder Bore
    5.1in
    Bowl Floor Stroke
    53.3in
    Cushion Hitch Circuit Flow
    10.6gal/min
    Cushion Hitch Cylinder Bore
    5.5in
    Cushion Hitch Cylinder Stroke
    9.9in
    Elevator Circuit Flow
    67.9gal/min
    Scraper Circuit Flow
    50.7gal/min
    Secondary Steering Circuit Flow
    10.3gal/min
    Steering Circuit Flow
    61.8gal/min
    Steering Cylinder - Bore
    5in
    Steering Cylinder - Stroke
    44.4in
    Ejector Cylinder Bore
    4.3in
    Ejector Cylinder Stroke
    47.8in
  • Steering

  • Steering Angle - Right
    85º
    Steering Angle - Left
    82º
  • Standards

  • Standards
    Standards
  • Weights - Machines Meeting U.S. EPA Tier 4 Interim/EU Stage IIIB Emission Standards

  • Loaded, Based on a Rated Load
    143245lb
    Operating Weight - Full Fuel Tanks
    88046lb
    Shipping Weight - 10% Fuel
    86259lb
  • Service Refill Capacities - Tractor

  • Cooling System
    17gal (US)
    Differential
    45.8gal (US)
    Engine Crankcase
    8.75gal (US)
    Final Drive - Each
    5gal (US)
    Hydraulic Reservoir
    22gal (US)
    Transmission
    18.5gal (US)
    Windshield Washer Reservoir
    1.3gal (US)
  • Weights - Machines Achieving Prior U.S. EPA Tier 3/EU Stage IIIA Emission Levels

  • Loaded, Based on a Rated Load
    142701lb
    Operating Weight - Full Fuel Tanks
    87499lb
    Shipping Weight - 10% Fuel
    86004lb
  • Service Refill Capacities - Scraper

  • Fuel Tank
    201.6gal (US)
    Non-Powered Wheel
    1.1gal (US)
  • Tractor Engine - Prior U.S. EPA Tier 3/EU Stage IIIA Configuration*

  • Bore
    5.1in
    Displacement
    763in³
    Maximum Power - All Gears - ISO 14396
    407HP
    Maximum Power Reference Engine Speed
    1700r/min
    Stroke
    6.2in
    Tractor Engine
    Cat® C13 ACERT™
  • Tractor Engine - U.S. EPA Tier 4 Interim/EU Stage IIIB

  • Bore
    5.1in
    Displacement
    763in³
    Maximum Power - All Gears - ISO 14396
    407HP
    Maximum Power Reference Engine Speed
    1700r/min
    Stroke
    6.2in
    Tractor Engine
    Cat® C13 ACERT™

Equipment

  • Power Train - Tractor
    • C13 ACERT engine with MEUI
    • Cat Engine Brake
    • Electric start, 24 Volt
    • Air cleaner, dry type with precleaner
    • Fan, hydraulic
    • Diesel Particulate Filter (DPF) aftertreatment (for engine meeting U.S. EPA Tier 4 Interim/EU Stage IIIB emission standards)
    • Ground level engine shutdown
    • Radiator, aluminum unit core, 9 fins per inch
    • Guard, crankcase
    • Muffler (for engines achieving U.S. EPA Tier 3/EU Stage IIIA emission levels)
    • Starting aid, ether
    • Braking system: Primary and Secondary, wet disc, hydraulic Parking, hydraulically-released, spring-applied
    • Throttle Lock
    • Transmission: 8-speed planetary powershift ECPC Control APECS software Programmable top gear selection Transmission hold Differential lock Guard, power train
  • Power Train - Scraper
    • C9.3 ACERT engine with high pressure common rail fuel
    • Cat Engine Brake
    • DPF aftertreatment module (for engine meeting U.S. EPA Tier 4 Interim/EU Stage IIIB emission standards)
    • Electric start, 24 volt
    • Fan, driveline
    • Ground engine shutdown
    • Muffler (for engines achieving prior U.S. EPA Tier 3/EU Stage IIIA emission levels)
    • Starting aid, ether
    • Braking system: Primary and Secondary, wet disc, hydraulic Parking, hydraulically-released, spring-applied
    • 4-speed (torque converter drive) transmission, planetary powershift
  • Electrical - Tractor
    • Alternator, 150 Amp
    • Batteries (4), 12 Volt, 1,000 CCA, maintenance free, high output
    • Electrical system, 24V
    • Lighting system: Headlights, halogen Turn signals with hazard function LED Floodlights, halogen (2), cutting edge (1), bowl (2), side vision (2)
    • Starting/charging receptacle
  • Electrical - Scraper
    • Alarm, backup
    • Alternator, 65 Amp
    • Batteries (4), 12 Volt, 1,000 CCA, maintenance free, high Output
    • Lighting system: Brake lights, LED Turn signals with hazard function, LED
    • Starting/charging receptacle
  • 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, 12V
    • ROPS/FOPS cab, pressurized
    • Keypad switches
    • Safety tab rocker switches
    • Parking brake
    • Seat belt, static two-piece
    • Seat, air suspension, Comfort Series 3, rotates 30 degrees
    • Steering wheel, tilt, telescoping, padded
    • Storage in dash if WAVS or Cat Grade Control is not equipped
    • 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 temp Engine oil temp Hydraulic oil temp DPF temp Fuel level Park brake Implement lockout Brake system Regeneration required Throttle lock System voltage Secondary steering Bail down Differential lock Apron float Transmission hold Cushion hitch High beam lights Action lamp Engine speed, rpm Gear selection out DPF fill levels
  • Fluids
    • Extended Life Coolant to -37° C (-34° F)
  • Other Standard Equipment - Tractor
    • Cushion hitch
    • Accumulators (cushion hitch) with Canadian Registration Number (CRN)
    • Fast oil change
    • Fenders, non metallic
    • Heater, engine coolant 120V
    • Tow pin, front
    • Vandalism locks
  • Other Standard Equipment - Scraper
    • Quick drop bowl valve
    • Vandalism locks
    • Elevator with 15 flights

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