623 Wheel Tractor-Scraper

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 Capacity – Heaped

23yd³

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

Maximum Floor Opening

4.4ft

Overall Length

45.18ft

Elevator Flight Spacing

20in

Ejector Extend

6.5s

Ejector Retract

9.7s

Bowl Lower

3.5s

Bowl Raise

Exterior Sound Level

The exterior sound power level for the standard machine (ISO 6395:2008) is 114 dB(A).

ROPS/FOPS

Meets ISO 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

Top Speed – Loaded

33.5mile/h

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

Final Drive – Each

5gal (US)

Crankcase

9.7gal (US)

Transmission System

25.5gal (US)

Fuel Tank

216.09gal (US)

Hydraulic System

21.926gal (US)

Differential

41.7gal (US)

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

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)

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)

623 Wheel Tractor-Scraper