623 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.

Engine

Flywheel Power - Tractor/Scraper 304 kW (407 hp)
Engine Model Cat® C13
Rated Engine RPM 2000r/min
Flywheel Power - Tractor 407hp
Note Meets U.S. EPA Tier 4 Final and EU Stage V emission standards, or equivalent to U.S. EPA Tier 2, or equivalent to U.S. EPA Tier 3 and EU Stage IIIA.

Scraper Bowl

Scraper Capacity - Heaped 23yd³

General

Top Speed - Loaded 33.5mile/h
Overall Width 11.8ft
Overall Shipping Height 12.37ft
Scraper Capacity - Heaped 23yd³
Scraper Capacity - Struck 18.8yd³
Rated Load 25 038 kg (55,200 lb); 25.1 tonnes (27.6 tons)
Width - Cut 10.4ft
Maximum Depth of Cut 10.3in
Maximum Depth of Spread 18.3in
180° Curb-to-Curb Turning Width 38.71ft
Tires - Tractor Drive 33.25R29**E3
Tires - Scraper 33.25R29**E3
Number of Flights 15
Maximum Floor Opening 4.4ft
Overall Length 45.18ft
Elevator Flight Spacing 20in

Implement Cycle Times

Ejector Extend 6.5s
Ejector Retract 9.7s
Bowl Lower 3.5s
Bowl Raise 3s

Cab

Exterior Sound Level The exterior sound power level for the standard machine (ISO 6395:2008) is 114 dB(A).
ROPS/FOPS Meets ISO standards

Safety Criteria Compliance Standards

Steering System ISO 5010:2007
Rollover Protection Structure (ROPS) ISO 3471:2008 for up to 17 084 kg (37,664 lb)
Falling Object Protective Structure (FOPS) ISO 3449:2005 Level II
Reverse Alarm ISO 9533:2010
Brakes ISO 3450:2011
Seat Belt SAE J386:JUN1985

Transmission

Top Speed - Loaded 33.5mile/h

Travel Speeds - Runout

Transmission Gear - First 3.1mile/h
Transmission Gear - Second 5.5mile/h
Transmission Gear - Third 7.5mile/h
Transmission Gear - Fourth 10.1mile/h
Transmission Gear - Fifth 13.6mile/h
Transmission Gear - Sixth 18.4mile/h
Transmission Gear - Seventh 24.8mile/h
Transmission Gear - Eighth 33.5mile/h
Transmission Gear - Reverse 5.7mile/h

Service Refill Capacities

Final Drive - Each 5gal (US)
Crankcase 9.7gal (US)
Transmission System 25.5gal (US)
Fuel Tank 216.09gal (US)
Hydraulic System 21.926gal (US)

Service Refill Capacities - Tractor

Differential 41.7gal (US)

Dimensions

Height - Overall Shipping 158.9in
Length - Overall Machine 542in
Axle to Vertical Hitch Pin 17in
Width - Overall Machine 141.1in
Width - Overall Machine - Ladder Down 149.2in
Height - Top of Cab 142.6in
Height - Scraper Blade Maximum 20.5in
Width - Tractor 133.1in
Width - Inside of Bowl 120in
Width - Outside Rear Tires 128.9in
Front of Tractor to Front Axle 122.8in
Wheel Base 329.5in
Rear Axle - Rear of Machine 89.7in
Ground Clearance - Tractor 21.9in
Width - Rear Tire Centers 90.2in
Height - Top of Elevator 148.3in

Standard Equipment

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Integrated Technologies
    • Sequence Assist, Cat Payload
  • 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
    • Primary and secondary, wet disc, hydraulic
    • Throttle lock
    • Parking , hydraulic released, spring applied
  • Transmission
    • Programmable top gear selection
    • Ground speed control
    • Machine speed limit
    • Guard, power train
    • Differential lock protection
    • Differential lock
    • Transmission hold
    • ECPC control
    • Standard tire spin reduction
    • 8-speed planetary power shift
    • APECS software
  • 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
    • Bowl (1)
    • Cutting Edge (2)
    • Halogen sdie vision (2)
  • Electrical - Scraper
    • Alarm, backup
  • Lighting System - Scraper
    • Trun signals with hazard function, LED
    • Brake lights, 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
    • Information mode on Messenger Display
    • Throttle lock
    • Hazard lights
    • Retarding level select
    • Work lights on/off
    • Wipers/washers
  • Safety Tab Rocker Switches
    • Parking Brake
    • Regeneration control
  • Gauges, Warnings Include:
    • Coolant temperature
    • Gear selection
    • Fuel level
    • Bail down
    • Cushion hitch
    • Engine oil temperature
    • Brake system
    • System voltage
    • Regeneration required
    • High beam lights
    • Implement lockout
    • Throttle lock
    • Ejector auto
    • Park brake
    • Action lamp
    • Hydraulic oil temperature
    • Differential lock (1)
    • Secondary steering
    • Transmission hold
    • Apron float
    • Engine speed, rpm
  • 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
    • 17.6 m³ (23 yd³), heaped
    • 13.5 m� (17.6 yd�), struck
  • 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
    • Product Link
    • Cat Grade Control, Cat Payload, Sequence Assist and 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)