Caterpillar 623 Wheel Tractor-Scraper
THE RUNDOWN
BE MORE PRODUCTIVE
WORK IN COMFORT
DESIGNED FOR SAFETY
EASY TO OPERATE
INTEGRATED CAT TECHNOLOGIES
EXECUTE EFFICIENCY
General
| Overall Length | 45.18ft |
| Maximum Depth of Spread | 18.3in |
| Top Speed - Loaded | 33.5mile/h |
| Fuel Tank Refill Capacity - Scraper | 201.0gal (US) |
| Width - Cut | 10.3ft |
| Overall Width | 11.71ft |
| Number of Flights | 15 |
| Tires - Scraper | 33.25R29**E3 |
| Maximum Floor Opening | 4.4ft |
| Maximum Depth of Cut | 10.3in |
| Elevator Flight Spacing | 20.0in |
| Rated Load | 25 038 kg (55,200 lb); 25.1 tonnes (27.6 tons) |
| Overall Shipping Height | 12.37ft |
| Scraper Capacity - Struck | 18.8yd³ |
| Tires - Tractor Drive | 33.25R29**E3 |
| Scraper Capacity - Heaped | 23.0yd³ |
| 180° Curb-to-Curb Turning Width | 38.71ft |
| Operating Weight - Empty | 88061.0lb |
Engine
| Flywheel Power - Tractor/Scraper | 304 kW (407 hp) |
| Rated Engine RPM | 2000.0r/min |
| Engine Model | Cat C13 |
| Flywheel Power - Tractor | 407.0hp |
| 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 | 33.5mile/h |
Scraper Bowl
| Scraper Capacity - Heaped | 23.0yd³ |
Service Refill Capacities
| Fuel Tank | 216.09gal (US) |
| Crankcase | 8.08gal (US) |
| Cooling System | 11.89gal (US) |
| Transmission System | 24.76gal (US) |
| Hydraulic System | 21.926gal (US) |
Dimensions
| Height - Overall Shipping | 158.9in |
| Length - Overall Machine | 542.0in |
| Width - Overall Machine | 141.1in |
| Height - Top of Cab | 142.6in |
| Height - Scraper Blade Maximum | 20.5in |
| Width - Tractor | 133.1in |
| Width - Inside of Bowl | 120.0in |
| 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 |
| Height - Top of Elevator | 148.3in |
| Width - Overall Machine - Ladder Down | 149.2in |
| Width - Rear Tire Centers | 90.2in |
| Axle to Vertical Hitch Pin | 17.0in |
Cab
| 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
| 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
| Transmission Gear - Third | 7.5mile/h |
| Transmission Gear - Fifth | 13.6mile/h |
| Transmission Gear - Sixth | 18.4mile/h |
| Transmission Gear - Seventh | 24.8mile/h |
| Transmission Gear - First | 3.1mile/h |
| Transmission Gear - Fourth | 10.1mile/h |
| Transmission Gear - Reverse | 5.7mile/h |
| Transmission Gear - Eighth | 33.5mile/h |
| Transmission Gear - Second | 5.5mile/h |
Implement Cycle Times
| Ejector Extend | 6.45s |
| Bowl Lower | 3.5s |
| Bowl Raise | 3.0s |
| Ejector Retract | 9.7s |
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:
- 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
- Hydraulic oil temperature
- Ejector auto
- Engine oil temperature
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)