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623H Wheel Tractor-Scraper

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.

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

PRICE (USD)
Call 800-637-5000 for rate information

Engine

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

Scraper Bowl

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

Transmission

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

Hydraulics

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

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
    143245 lb
  • Operating Weight - Full Fuel Tanks
    88046 lb
  • Shipping Weight - 10% Fuel
    86259 lb

Service Refill Capacities - Tractor

  • Cooling System
    17 gal (US)
  • Differential
    45.8 gal (US)
  • Engine Crankcase
    8.75 gal (US)
  • Final Drive - Each
    5 gal (US)
  • Hydraulic Reservoir
    22 gal (US)
  • Transmission
    18.5 gal (US)
  • Windshield Washer Reservoir
    1.3 gal (US)

Weights - Machines Achieving Prior U.S. EPA Tier 3/EU Stage IIIA Emission Levels

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

Service Refill Capacities - Scraper

  • Fuel Tank
    201.6 gal (US)
  • Non-Powered Wheel
    1.1 gal (US)

Tractor Engine - Prior U.S. EPA Tier 3/EU Stage IIIA Configuration*

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

Tractor Engine - U.S. EPA Tier 4 Interim/EU Stage IIIB

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

Operator's Station

Operator Comfort

Power Train - Engine

Power Train - Transmission

Structures

Scraper Bowl

Elevator

Integrated Technologies

Complete Customer Support

Safety

Standard 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

Optional Equipment: