623K
623K Wheel Tractor-Scraper
DESCRIPTION
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.Wheel Tractor Scraper CAT® K Series
Wheel Tractor-Scraper K Series Operator Testimonial
BE MORE PRODUCTIVE
- Up to 7% additional elevator torque.
- Up to 50% improvement in chain life.
- Enhanced elevator drive sprocket for reduced chain wear.Improved scissor-style chain tension system for decreased
sprocket wear, chain wear, and chain jumping. - Cat C13 engine offers increased power density with a combination
of proven electronic, fuel, and air systems. - Use Ground Speed Control to set the desired top speed, and the
machine will find the gear that works best for the engine and the
transmission, providing a lower fuel burn.
• The Machine Speed Limit feature replaces Top Gear Selection. - Advanced Productivity Electronic Control System (APECS) allows
the engine and transmission to communicate on a high level. This
communication allows the machine to better utilize the power
and torque the engine is producing. The net result is moving more
material. - Auto-Stall assists in quickly bringing the transmission to an
operating temperature at start-up when the machine is working in a
cold climate region. - Cat Payload Estimator for scrapers is an earthmoving solution for
optimal payload and jobsite efficiency. Payload Estimator achieves on-the-go weighing by using bowl lift cylinder pressure during the loaded haul segment. Payload Estimator is optimized to be used with Sequence Assist, which provides increased productivity with less operator effort.
WORK IN COMFORT
- Reduce up to 14 individual operator commands per cycle with
Sequence Assist (optional attachment). - Steer with less effort using the newly designed high-pressure
steering system. - Enjoy interior improvements and a more ergonomic work
environment with a 21% larger cab than the G Series cab. - Intuitive, ergonomic controls keep operators focused on their work.
- Maintain desired cab temperature with automatic temperature
control.
DESIGNED FOR SAFETY
- Brakes are hydraulically actuated wet disc brakes for the tractor
and scraper. - Get in and out of the cab easier with the new powered access
ladder system (optional attachment). - Enhance an operator’s awareness of site surroundings with the
optional Work Area Vision System (WAVS). - Seat belt indicator provides visual and audible alerts when the seat
belt is not in use. - Ground level, engine shut-off switch stops all fuel to the engine
when activated and shuts down the machine. - Advanced Cushion Hitch allows the cushion hitch to prevent
end stroke by having the ability to predict end stroke events
and manage the rate of dampening, resulting in reduced hitch
maintenance and improved operator ride in rough conditions.
EASY TO OPERATE
- The spacious cab features easy, intuitive controls and excellent
visibility. The cab provides a comfortable working environment for
all-day operation. - Cat Advanced Ride Management (ARM) seat suspension reduces
end stroke movement of the load cylinder for a smoother ride. - Engine overspeed protection will automatically engage with no
operator input when the machine is in eighth gear. The machine
will assist in slowing the machine speed by canceling the throttle
command and engaging the engine compression brake.
- Standard Equipment
- Optional Equipment
- Specs
- Docs
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)
Specs
Overview
Long Name:
623K Wheel Tractor-Scraper
Name:
623K
Brand:
Caterpillar
Status:
Current
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 / 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 / 9.7 s
Bowl Raise
3 s / 3 s
Bowl Lower
3.5 s / 3.5 s
Ejector Extend
6.45 s / 6.45 s