623H Wheel Tractor-Scraper

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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.

Engine

Flywheel Power: Tractor/Scraper
304 kW (407 hp)
Max. Power
407.0hp
Tractor
Cat® C13 ACERT™

Scraper Bowl

Scraper Capacity: Heaped
23.0yd3
Rated Load
55200.0lb
Heaped Capacity
23.0yd3
Maximum Depth of Cut
10.3in
Maximum Depth of Spread
18.3in
Maximum Ground Clearance at Cutting Edge
20.8in
Maximum Hydraulic Penetration Force
132640.0lb
Struck Capacity
18.8yd3
Thickness of Cutting Edge
0.9in
Width of Cut, Outside Router Bits
123.5in

Transmission

Top Speed (Loaded)
33.5mph
1 Forward
3.1mph
2 Forward
5.5mph
3 Forward
7.5mph
4 Forward
10.1mph
5 Forward
13.6mph
6 Forward
18.4mph
7 Forward
24.8mph
8 Forward
33.5mph
Reverse
5.7mph

Steering

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

Hydraulics

Bowl Cylinder Bore
5.5in
Bowl Cylinder Stroke
33.3in
Ejector Cylinder Bore
4.3in
Ejector Cylinder Stroke
47.8in
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
5.0in
Steering Cylinder Stroke
44.4in

Standards

Standards
Standards

Weights - Machines meeting U.S. EPA Tier 4 Interim/EU Stage IIIB emission standards

Loaded, based on a rated load
143245.0lb
Operating Weight - full fuel tanks
88046.0lb
Shipping Weight - 10% Fuel
86259.0lb

Service Refill Capacities - Tractor

Cooling System
17.0gal
Differential
45.8gal
Engine Crankcase
8.75gal
Final Drive (per side)
5.0gal
Hydraulic Reservoir
22.0gal
Transmission
18.5gal
Windshield Washer Reservoir
1.3gal

Weights - Machines achieving prior U.S. EPA Tier 3/EU Stage IIIA emission levels

Loaded, based on a rated load
142701.0lb
Operating Weight - full fuel tanks
87499.0lb
Shipping Weight - 10% Fuel
86004.0lb

Service Refill Capacities - Scraper

Fuel Tank
201.6gal
Non-Powered Wheel
1.1gal

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

Bore
5.1in
Displacement
763.0in3
Max. Power (All Gears) (ISO 14396)
407.0hp
Max. Power Reference Engine Speed
1700.0RPM
Stroke
6.2in
Tractor Engine
Cat® C13 ACERT™

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

Bore
5.1in
Displacement
763.0in3
Max. Power (All Gears) (ISO 14396)
407.0hp
Max. Power Reference Engine Speed
1700.0RPM
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 Bai
  • 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