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.
Caterpillar
623 Wheel Tractor-Scraper
Overview
Photos
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Videos
360° View
Exterior
360° Exterior view. Double click on the image to zoom in on any area of the product.
Interior
360° interior view. Double click on the image to zoom in on any area of the product.
Specifications
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General
Spec Value Overall Length 45.18 ft Maximum Depth of Spread 18.3 in Top Speed - Loaded 33.5 mile/h Fuel Tank Refill Capacity - Scraper 201 gal (US) Width - Cut 10.3 ft Overall Width 11.71 ft Number of Flights 15 Tires - Scraper 33.25R29**E3 Maximum Floor Opening 4.4 ft Maximum Depth of Cut 10.3 in Elevator Flight Spacing 20 in Rated Load 25 038 kg (55,200 lb); 25.1 tonnes (27.6 tons) Overall Shipping Height 12.37 ft Scraper Capacity - Struck 18.8 yd³ Tires - Tractor Drive 33.25R29**E3 Scraper Capacity - Heaped 23 yd³ 180° Curb-to-Curb Turning Width 38.71 ft Operating Weight - Empty 88061 lb -
Engine
Spec Value Flywheel Power - Tractor/Scraper 304 kW (407 hp) Rated Engine RPM 2000 r/min Engine Model Cat C13 Flywheel Power - Tractor 407 hp Note C13 engine emits equivalent to U.S. EPA Tier 2/EU Stage II or U.S. EPA Tier 3/EU Stage III. -
Transmission
Spec Value Top Speed - Loaded 33.5 mile/h -
Scraper Bowl
Spec Value Scraper Capacity - Heaped 23 yd³ -
Service Refill Capacities
Spec Value Fuel Tank 216.09 gal (US) Crankcase 8.08 gal (US) Cooling System 11.89 gal (US) Transmission System 24.76 gal (US) Hydraulic System 21.926 gal (US) -
Dimensions
Spec Value Height - Overall Shipping 158.9 in Length - Overall Machine 542 in Width - Overall Machine 141.1 in Height - Top of Cab 142.6 in Height - Scraper Blade Maximum 20.5 in Width - Tractor 133.1 in Width - Inside of Bowl 120 in Width - Outside Rear Tires 128.9 in Front of Tractor to Front Axle 122.8 in Wheel Base 329.5 in Rear Axle - Rear of Machine 89.7 in Ground Clearance - Tractor 21.9 in Height - Top of Elevator 148.3 in Width - Overall Machine - Ladder Down 149.2 in Width - Rear Tire Centers 90.2 in Axle to Vertical Hitch Pin 17 in -
Cab
Spec Value Exterior Sound Level The exterior sound power level for the standard machine (ISO 6393) is 111.5 dB(A). ROPS/FOPS Meets ISO standards -
Safety Criteria Compliance Standards
Spec Value Falling Object Protective Structure (FOPS) ISO 3449:2005 Level II Reverse Alarm ISO 9533:2010 Brakes ISO 3450:2011 Seat Belt SAE J386:JUN1985 Rollover Protection Structure (ROPS) ISO 3471:2008 for up to 17 084 kg (37,664 lb) Steering System ISO 5010:2007 -
Travel Speeds - Runout
Spec Value Transmission Gear - Third 7.5 mile/h Transmission Gear - Fifth 13.6 mile/h Transmission Gear - Sixth 18.4 mile/h Transmission Gear - Seventh 24.8 mile/h Transmission Gear - First 3.1 mile/h Transmission Gear - Fourth 10.1 mile/h Transmission Gear - Reverse 5.7 mile/h Transmission Gear - Eighth 33.5 mile/h Transmission Gear - Second 5.5 mile/h -
Implement Cycle Times
Spec Value Ejector Extend 6.45 s Bowl Lower 3.5 s Bowl Raise 3 s Ejector Retract 9.7 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
- Parking , hydraulic released, spring applied
- Primary and secondary, wet disc, hydraulic
- Throttle lock
TRANSMISSION
- Guard, power train
- Programmable top gear selection
- Differential lock
- Transmission hold
- APECS software
- ECPC control
- Ground speed control
- 8-speed planetary power shift
- Machine speed limit
- Differential lock protection
- Standard tire spin reduction
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
- Cutting Edge (2)
- Bowl (1)
- Halogen sdie vision (2)
ELECTRICAL - SCRAPER
- Alarm, backup
LIGHTING SYSTEM - SCRAPER
- Brake lights, LED
- Trun 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
- 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
- Hazard lights
- Wipers/washers
- Work lights on/off
- Retarding level select
- Information mode on Messenger Display
- Throttle lock
SAFETY TAB ROCKER SWITCHES
- Parking Brake
- Regeneration control
GAUGES, WARNINGS INCLUDE:
- Hydraulic oil temperature
- Ejector auto
- Engine oil temperature
- Regeneration required
- Brake system
- High beam lights
- Bail down
- Transmission hold
- Engine speed, rpm
- Cushion hitch
- Gear selection
- Implement lockout
- Differential lock (1)
- Coolant temperature
- Park brake
- Apron float
- Throttle lock
- Fuel level
- System voltage
- Action lamp
- Secondary steering
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
- 13.5 m� (17.6 yd�), struck
- 17.6 m³ (23 yd³), heaped
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
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)