623K Wheel Tractor-Scraper

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.

Flywheel Power - Tractor/Scraper
304 kW (407 hp)
Scraper Capacity - Heaped
23 yd³
Top Speed - Loaded
33.5 mile/h
Height - Overall Shipping
158.9 in

Engine

Flywheel Power - Tractor/Scraper
304 kW (407 hp)
Rated Engine RPM
2000r/min
Engine Model
Cat C13
Flywheel Power - Tractor
407HP
Note
C13 engine emits equivalent to U.S. EPA Tier 2/EU Stage II or U.S. EPA Tier 3/EU Stage III.

Scraper Bowl

Scraper Capacity - Heaped
23yd³

Transmission

Top Speed - Loaded
33.5mile/h

Dimensions

Height - Overall Shipping
158.9in
Length - Overall Machine
542in
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
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 - Overall Machine - Ladder Down
149.2in
Axle to Vertical Hitch Pin
17in
Width - Rear Tire Centers
90.2in
Height - Top of Elevator
148.3in

Service Refill Capacities

Fuel Tank
216.09gal (US)
Crankcase
8.08gal (US)
Cooling System
11.89gal (US)
Hydraulic System
21.926gal (US)
Transmission System
24.76gal (US)

General

Top Speed - Loaded
33.5mile/h
Number of Flights
15
Operating Weight - Empty
88061lb
180° Curb-to-Curb Turning Width
38.71ft
Overall Shipping Height
12.37ft
Overall Length
45.18ft
Maximum Depth of Spread
18.3in
Fuel Tank Refill Capacity - Scraper
201gal (US)
Scraper Capacity - Struck
18.8yd³
Scraper Capacity - Heaped
23yd³
Rated Load
25 038 kg (55,200 lb); 25.1 tonnes (27.6 tons)
Tires - Tractor Drive
33.25R29**E3
Width - Cut
10.3ft
Elevator Flight Spacing
20in
Overall Width
11.71ft
Maximum Depth of Cut
10.3in
Maximum Floor Opening
4.4ft
Tires - Scraper
33.25R29**E3

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
5.7mile/h
Transmission Gear - Sixth
18.4mile/h
Transmission Gear - Third
7.5mile/h
Transmission Gear - Second
5.5mile/h
Transmission Gear - Fifth
13.6mile/h
Transmission Gear - Seventh
24.8mile/h
Transmission Gear - First
3.1mile/h
Transmission Gear - Eighth
33.5mile/h
Transmission Gear - Fourth
10.1mile/h

Implement Cycle Times

Ejector Retract
9.7s
Bowl Raise
3s
Bowl Lower
3.5s
Ejector Extend
6.45s

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)

Specifications

Engine

Flywheel Power - Tractor/Scraper
304 kW (407 hp)
Rated Engine RPM
2000r/min
Engine Model
Cat C13
Flywheel Power - Tractor
407HP
Note
C13 engine emits equivalent to U.S. EPA Tier 2/EU Stage II or U.S. EPA Tier 3/EU Stage III.

Scraper Bowl

Scraper Capacity - Heaped
23yd³

Transmission

Top Speed - Loaded
33.5mile/h

Dimensions

Height - Overall Shipping
158.9in
Length - Overall Machine
542in
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
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 - Overall Machine - Ladder Down
149.2in
Axle to Vertical Hitch Pin
17in
Width - Rear Tire Centers
90.2in
Height - Top of Elevator
148.3in

Service Refill Capacities

Fuel Tank
216.09gal (US)
Crankcase
8.08gal (US)
Cooling System
11.89gal (US)
Hydraulic System
21.926gal (US)
Transmission System
24.76gal (US)

General

Top Speed - Loaded
33.5mile/h
Number of Flights
15
Operating Weight - Empty
88061lb
180° Curb-to-Curb Turning Width
38.71ft
Overall Shipping Height
12.37ft
Overall Length
45.18ft
Maximum Depth of Spread
18.3in
Fuel Tank Refill Capacity - Scraper
201gal (US)
Scraper Capacity - Struck
18.8yd³
Scraper Capacity - Heaped
23yd³
Rated Load
25 038 kg (55,200 lb); 25.1 tonnes (27.6 tons)
Tires - Tractor Drive
33.25R29**E3
Width - Cut
10.3ft
Elevator Flight Spacing
20in
Overall Width
11.71ft
Maximum Depth of Cut
10.3in
Maximum Floor Opening
4.4ft
Tires - Scraper
33.25R29**E3

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
5.7mile/h
Transmission Gear - Sixth
18.4mile/h
Transmission Gear - Third
7.5mile/h
Transmission Gear - Second
5.5mile/h
Transmission Gear - Fifth
13.6mile/h
Transmission Gear - Seventh
24.8mile/h
Transmission Gear - First
3.1mile/h
Transmission Gear - Eighth
33.5mile/h
Transmission Gear - Fourth
10.1mile/h

Implement Cycle Times

Ejector Retract
9.7s
Bowl Raise
3s
Bowl Lower
3.5s
Ejector Extend
6.45s

Standard/Optional Features

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)