623K

Scraper Capacity - Heaped
23 yd³ / 17.6 m³
Top Speed - Loaded
33.5 mile/h / 53.9 km/h
Height - Overall Shipping
158.9 in / 4037 mm

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.

General
Top Speed - Loaded 33.5 mile/h / 53.9 km/h
Number of Flights 15
Operating Weight - Empty 88061 lb / 39937 kg
180° Curb-to-Curb Turning Width 38.71 ft / 11.8 m
Overall Shipping Height 12.37 ft / 3.77 m
Overall Length 45.18 ft / 13.77 m
Maximum Depth of Spread 18.3 in / 465 mm
Fuel Tank Refill Capacity - Scraper 201 gal (US) / 763 l
Scraper Capacity - Struck 18.8 yd³ / 14.4 m³
Scraper Capacity - Heaped 23 yd³ / 17.6 m³
Rated Load 25 038 kg (55,200 lb); 25.1 tonnes (27.6 tons)
Tires - Tractor Drive 33.25R29**E3
Width - Cut 10.3 ft / 3.14 m
Elevator Flight Spacing 20 in / 520 mm
Overall Width 11.71 ft / 3.57 m
Maximum Depth of Cut 10.3 in / 262 mm
Maximum Floor Opening 4.4 ft / 1.34 m
Tires - Scraper 33.25R29**E3
Engine
Flywheel Power - Tractor/Scraper 304 kW (407 hp)
Rated Engine RPM 2000 r/min
Engine Model 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.
Transmission
Top Speed - Loaded 33.5 mile/h / 53.9 km/h
Scraper Bowl
Scraper Capacity - Heaped 23 yd³ / 17.6 m³
Service Refill Capacities
Fuel Tank 216.09 gal (US) / 818 l
Crankcase 8.08 gal (US) / 30.58 l
Cooling System 11.89 gal (US) / 45 l
Hydraulic System 21.926 gal (US) / 83 l
Transmission System 24.76 gal (US) / 93 l
Dimensions
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
Width - Overall Machine - Ladder Down 149.2 in / 3790 mm
Axle to Vertical Hitch Pin 17 in / 432 mm
Width - Rear Tire Centers 90.2 in / 2290 mm
Height - Top of Elevator 148.3 in / 3768 mm
Cab
ROPS/FOPS Meets ISO standards
Exterior Sound Level The exterior sound power level for the standard machine (ISO 6393) is 111.5 dB(A).
Safety Criteria Compliance Standards
Reverse Alarm ISO 9533:2010
Steering System ISO 5010:2007
Rollover Protection Structure (ROPS) ISO 3471:2008 for up to 17 084 kg (37,664 lb)
Seat Belt SAE J386:JUN1985
Falling Object Protective Structure (FOPS) ISO 3449:2005 Level II
Brakes ISO 3450:2011
Travel Speeds - Runout
Transmission Gear - Reverse 5.7 mile/h / 9.2 km/h
Transmission Gear - Sixth 18.4 mile/h / 29.6 km/h
Transmission Gear - Third 7.5 mile/h / 12.1 km/h
Transmission Gear - Second 5.5 mile/h / 8.9 km/h
Transmission Gear - Fifth 13.6 mile/h / 21.9 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 - Eighth 33.5 mile/h / 53.9 km/h
Transmission Gear - Fourth 10.1 mile/h / 16.3 km/h
Implement Cycle Times
Ejector Retract 9.7 s
Bowl Raise 3 s
Bowl Lower 3.5 s
Ejector Extend 6.45 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
    • Throttle lock
    • Parking , hydraulic released, spring applied
    • Primary and secondary, wet disc, hydraulic
  • TRANSMISSION
    • 8-speed planetary power shift
    • APECS software
    • Transmission hold
    • Ground speed control
    • Machine speed limit
    • Programmable top gear selection
    • Differential lock
    • Standard tire spin reduction
    • Differential lock protection
    • Guard, power train
    • ECPC control
  • 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
    • Halogen sdie vision (2)
    • Bowl (1)
    • LED Floodlights
    • Turn Signals with hazard Function
    • Cutting Edge (2)
  • ELECTRICAL - SCRAPER
    • Alarm, backup
  • LIGHTING SYSTEM - SCRAPER
    • Brake lights, LED
    • Trun signals with hazard function, LED
  • KEYPAD SWITCHES
    • Throttle lock
    • Retarding level select
    • Hazard lights
    • Wipers/washers
    • Work lights on/off
    • Information mode on Messenger Display
  • SAFETY TAB ROCKER SWITCHES
    • Regeneration control
    • Parking Brake
  • 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
  • GAUGES, WARNINGS INCLUDE:
    • Coolant temperature
    • Cushion hitch
    • Secondary steering
    • Bail down
    • Park brake
    • Action lamp
    • Transmission hold
    • Engine oil temperature
    • High beam lights
    • Fuel level
    • Hydraulic oil temperature
    • Apron float
    • Differential lock (1)
    • Gear selection
    • Throttle lock
    • Ejector auto
    • System voltage
    • Brake system
    • Implement lockout
    • Regeneration required
    • 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
    • Sequence Assist Arrangement
    • Product Link
    • Cat Grade Control with Load Assist
  • 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
  • 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)
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