623K 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.

General Data

180° Curb-to-Curb Turning Width: 38.71 ft
Elevator Flight Spacing: 20.0 in
Fuel Tank Refill Capacity: Scraper: 201.0 gal
Maximum Depth of Cut: 10.3 in
Maximum Depth of Spread: 18.3 in
Maximum Floor Opening: 4.4 ft
Number of Flights: 15
Operating Weight (Empty): 88061.0 lb
Overall Length: 45.18 ft
Overall Shipping Height: 12.37 ft
Overall Width: 11.71 ft
Rated Load: 25 038 kg (55,200 lb); 25.1 tonnes (27.6 tons)
Scraper Capacity: Heaped: 23.0 yd3
Scraper Capacity: Struck: 18.8 yd3
Tires: Scraper: 33.25R29**E3
Tires: Tractor Drive: 33.25R29**E3
Top Speed (Loaded): 33.5 mph
Width of Cut: 10.3 ft

Engine

Flywheel Power: Tractor/Scraper: 304 kW (407 hp)
Engine Model: Cat C13 ACERT™
Flywheel Power: Tractor: 407.0 hp
Note: Cat C13 ACERT engine meets U.S. Environmental Protection Agency (EPA) Tier 4 Final/EU Stage IV engine emission standards.
Rated Engine RPM: 2000.0 RPM

Transmission

Top Speed (Loaded): 33.5 mph

Scraper Bowl

Scraper Capacity: Heaped: 23.0 yd3

Service Refill Capacities

Fuel Tank: 216.09 gal
Crankcase: 8.08 gal
Cooling System: 11.89 gal
Diesel Exhaust Fluid: 8.0572 gal
Hydraulic System: 21.926 gal
Transmission System: 24.76 gal

Dimensions

Height - Overall Shipping: 158.9 in
Length - Overall Machine: 542.0 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: 120.0 in
Width - Outside Rear Tires: 128.9 in
Front of Tractor to Front Axle: 122.8 in
Wheelbase: 329.5 in
Rear Axle to Rear of Machine: 89.7 in
Ground Clearance - Tractor: 21.9 in
Axle to Vertical Hitch Pin: 17.0 in
Height of Top of Elevator: 148.3 in
Width - Overall Machine - Ladder Down: 149.2 in
Width - Rear Tire Centers: 90.2 in

Cab

Exterior Sound Level: The exterior sound power level for the standard machine (ISO 6393) is 111.5 dB(A).
ROPS/FOPS: Meets SAE and ISO standards

Safety Criteria Compliance Standards

Brakes: ISO 3450:1996
Falling Object Protective Structure (FOPS): ISO 3449:2005 Level II
Reverse Alarm: ISO 9533:2010
Rollover Protection Structure (ROPS): ISO 3471:2008 for up to 17 084 kg (37,664 lb)
Seat Belt: SAE J386:JUN1985
Steering System: ISO 5010:2007

Travel Speeds (Runout)

Transmission Gear: Eighth: 33.5 mph
Transmission Gear: Fifth: 13.6 mph
Transmission Gear: First: 3.1 mph
Transmission Gear: Fourth: 10.1 mph
Transmission Gear: Reverse: 5.7 mph
Transmission Gear: Second: 5.5 mph
Transmission Gear: Seventh: 24.8 mph
Transmission Gear: Sixth: 18.4 mph
Transmission Gear: Third: 7.5 mph

Implement Cycle Times

Bowl Lower: 3.5 Seconds
Bowl Raise: 3.0 Seconds
Ejector Extend: 6.45 Seconds
Ejector Retract: 9.7 Seconds

POWER TRAIN - TRACTOR
- Cat C13 ACERT engine with MEUI^™
- 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 - Throttle lock
- Transmission: - 8-speed planetary power shift - ECPC control - APECS software - Programmable top gear selection - Transmission hold - Differential lock - Guard, power train - Standard tire spin reduction - Ground speed control - Machine speed limit - Differential lock protection
POWER TRAIN - SCRAPER
- Braking system: - Primary and secondary, wet disc, hydraulic
ELECTRICAL - TRACTOR
- Alternator, 150 Amp
- Batteries (4), 12V, 1,000 CCA, maintenance free, high output
- Electrical system, 24V
- Lighting system: - Headlights, halogen - Turn signals with hazard function, LED floodlights, (2) cutting edge (1) bowl, halogen side vision (2)
- Starting/charging receptacle
ELECTRICAL - SCRAPER
- Alarm, backup
- Lighting system: - Brake lights, LED - Turn 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
- Keypad switches: - Throttle lock - Wipers/washers - Hazard lights - Retarding level select - Work lights on, off - Information mode on Messenger Display
- Safety tab rocker switches: - Regeneration control (Tier 4 Final/EU Stage IV only) - Parking brake
- 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 - Engine oil temperature - Hydraulic oil temperature - DPF temperature - Fuel level - Park brake - Implement lockout - Brake system - Regeneration required - Throttle lock - System voltage - Secondary steering - Bail down - Ejector auto - Differential lock - Apron float - Transmission hold - Cushion hitch - High beam lights - Action lamp - Engine speed, rpm - Gear selection - DEF fill levels
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
OTHER STANDARD EQUIPMENT - SCRAPER
- Bowl: - 17.6 m3 (23 yd3), heaped - 13.5 m3 (17.6 yd3), struck
- Vandalism locks
- Elevator with 15 flights
- Hydraulic position sensing cylinders (bowl lift and apron)

STEERING ARRANGEMENTS
- Secondary Steering Arrangement
INTEGRATED TECHNOLOGIES
- Sequence Assist Arrangement
- Load Assist
- 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
WORK LIGHT ATTACHMENTS
- HID work lights
AMBIENT CAPABILITY ARRANGEMENTS
- Cooling, high ambient HRC
- Cooling, low ambient HRC
- Cooling, high ambient LRC
- Cooling, low ambient LRC
OTHER ATTACHMENTS
- Year of manufacture plate
SERVICE INSTRUCTIONS
- Film arrangement - U.S. (ANSI)
- Film arrangement - International (ISO)