623H Wheel Tractor-Scraper

623H 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
23.0 yd3
Rated Load
55200.0 lb
1 Forward
3.1 mph

Engine

Flywheel Power: Tractor/Scraper
304 kW (407 hp)
Maximum Power
407HP
Tractor
Cat® C13 ACERT™
Flywheel Power - Tractor/Scraper
304 kW (407 hp)

Scraper Bowl

Scraper Capacity: Heaped
23.0yd3
Rated Load
55200.0lb
Heaped Capacity
23yd³
Maximum Depth of Cut
10.3in
Maximum Depth of Spread
18.3in
Maximum Ground Clearance at Cutting Edge
20.8in
Maximum Hydraulic Penetration Force
132640lb
Struck Capacity
18.8yd³
Thickness - Cutting Edge
0.9in
Width - Cut - Outside Router Bits
123.5in
Scraper Capacity - Heaped
23yd³
Rated Load
55200lb

Transmission

1 Forward
3.1mph
2 Forward
5.5mph
3 Forward
7.5mph
Reverse
5.7mph
Top Speed - Loaded
33.5mile/h
4 Forward
10.1mile/h
5 Forward
13.6mile/h
6 Forward
18.4mile/h
7 Forward
24.8mile/h
8 Forward
33.5mile/h
1 Forward
3.1mile/h
2 Forward
5.5mile/h
3 Forward
7.5mile/h
Reverse
5.7mile/h

Hydraulics

Ejector Cylinder Bore
4.3in
Ejector Cylinder Stroke
47.8in
Bowl Cylinder Bore
5.5in
Bowl Cylinder Stroke
33.3in
Bowl Floor Cylinder Bore
5.1in
Bowl Floor Stroke
53.3in
Cushion Hitch Circuit Flow
10.6gal/min
Cushion Hitch Cylinder Bore
5.5in
Cushion Hitch Cylinder Stroke
9.9in
Elevator Circuit Flow
67.9gal/min
Scraper Circuit Flow
50.7gal/min
Secondary Steering Circuit Flow
10.3gal/min
Steering Circuit Flow
61.8gal/min
Steering Cylinder - Bore
5in
Steering Cylinder - Stroke
44.4in
Ejector Cylinder Bore
4.3in
Ejector Cylinder Stroke
47.8in

Steering

Steering Angle - Right
85º
Steering Angle - Left
82º

Standards

Standards
Standards

Weights - Machines Meeting U.S. EPA Tier 4 Interim/EU Stage IIIB Emission Standards

Loaded, Based on a Rated Load
143245lb
Operating Weight - Full Fuel Tanks
88046lb
Shipping Weight - 10% Fuel
86259lb

Service Refill Capacities - Tractor

Cooling System
17gal (US)
Differential
45.8gal (US)
Engine Crankcase
8.75gal (US)
Final Drive - Each
5gal (US)
Hydraulic Reservoir
22gal (US)
Transmission
18.5gal (US)
Windshield Washer Reservoir
1.3gal (US)

Weights - Machines Achieving Prior U.S. EPA Tier 3/EU Stage IIIA Emission Levels

Loaded, Based on a Rated Load
142701lb
Operating Weight - Full Fuel Tanks
87499lb
Shipping Weight - 10% Fuel
86004lb

Service Refill Capacities - Scraper

Fuel Tank
201.6gal (US)
Non-Powered Wheel
1.1gal (US)

Tractor Engine - Prior U.S. EPA Tier 3/EU Stage IIIA Configuration*

Bore
5.1in
Displacement
763in³
Maximum Power - All Gears - ISO 14396
407HP
Maximum Power Reference Engine Speed
1700r/min
Stroke
6.2in
Tractor Engine
Cat® C13 ACERT™

Tractor Engine - U.S. EPA Tier 4 Interim/EU Stage IIIB

Bore
5.1in
Displacement
763in³
Maximum Power - All Gears - ISO 14396
407HP
Maximum Power Reference Engine Speed
1700r/min
Stroke
6.2in
Tractor Engine
Cat® C13 ACERT™

Standard Equipment:

  • Power Train - Tractor
    • C13 ACERT engine with MEUI
    • Cat Engine Brake
    • Electric start, 24 Volt
    • Air cleaner, dry type with precleaner
    • Fan, hydraulic
    • Diesel Particulate Filter (DPF) aftertreatment (for engine meeting U.S. EPA Tier 4 Interim/EU Stage IIIB emission standards)
    • Ground level engine shutdown
    • Radiator, aluminum unit core, 9 fins per inch
    • Guard, crankcase
    • Muffler (for engines achieving U.S. EPA Tier 3/EU Stage IIIA emission levels)
    • Starting aid, ether
    • Braking system: Primary and Secondary, wet disc, hydraulic Parking, hydraulically-released, spring-applied
    • Throttle Lock
    • Transmission: 8-speed planetary powershift ECPC Control APECS software Programmable top gear selection Transmission hold Differential lock Guard, power train
  • Power Train - Scraper
    • C9.3 ACERT engine with high pressure common rail fuel
    • Cat Engine Brake
    • DPF aftertreatment module (for engine meeting U.S. EPA Tier 4 Interim/EU Stage IIIB emission standards)
    • Electric start, 24 volt
    • Fan, driveline
    • Ground engine shutdown
    • Muffler (for engines achieving prior U.S. EPA Tier 3/EU Stage IIIA emission levels)
    • Starting aid, ether
    • Braking system: Primary and Secondary, wet disc, hydraulic Parking, hydraulically-released, spring-applied
    • 4-speed (torque converter drive) transmission, planetary powershift
  • Electrical - Tractor
    • Alternator, 150 Amp
    • Batteries (4), 12 Volt, 1,000 CCA, maintenance free, high output
    • Electrical system, 24V
    • Lighting system: Headlights, halogen Turn signals with hazard function LED Floodlights, halogen (2), cutting edge (1), bowl (2), side vision (2)
    • Starting/charging receptacle
  • Electrical - Scraper
    • Alarm, backup
    • Alternator, 65 Amp
    • Batteries (4), 12 Volt, 1,000 CCA, maintenance free, high Output
    • Lighting system: Brake lights, LED Turn signals with hazard function, LED
    • Starting/charging receptacle
  • 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, 12V
    • ROPS/FOPS cab, pressurized
    • Keypad switches
    • Safety tab rocker switches
    • Parking brake
    • Seat belt, static two-piece
    • Seat, air suspension, Comfort Series 3, rotates 30 degrees
    • Steering wheel, tilt, telescoping, padded
    • Storage in dash if WAVS or Cat Grade Control is not equipped
    • 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 temp Engine oil temp Hydraulic oil temp DPF temp Fuel level Park brake Implement lockout Brake system Regeneration required Throttle lock System voltage Secondary steering Bail down Differential lock Apron float Transmission hold Cushion hitch High beam lights Action lamp Engine speed, rpm Gear selection out DPF fill levels
  • Fluids
    • Extended Life Coolant to -37° C (-34° F)
  • Other Standard Equipment - Tractor
    • Cushion hitch
    • Accumulators (cushion hitch) with Canadian Registration Number (CRN)
    • Fast oil change
    • Fenders, non metallic
    • Heater, engine coolant 120V
    • Tow pin, front
    • Vandalism locks
  • Other Standard Equipment - Scraper
    • Quick drop bowl valve
    • Vandalism locks
    • Elevator with 15 flights

Optional Equipment: