623H Wheel Tractor-Scraper
At a Glance
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Flywheel Power - Tractor/Scraper
304 kW (407 hp)
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Scraper Capacity - Heaped
23 yd³
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Top Speed - Loaded
33.5 mile/h
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Rated Load
55200 lb
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Overview
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
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| Flywheel Power - Tractor/Scraper |
304 kW (407 hp) |
| Maximum Power |
407HP |
| Tractor |
Cat® C13 ACERT™ |
Scraper Bowl
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| Scraper Capacity - Heaped |
23yd³ |
| Rated Load |
55200lb |
| 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 |
Transmission
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| Top Speed - Loaded |
33.5mile/h |
| 1 Forward |
3.1mile/h |
| 2 Forward |
5.5mile/h |
| 3 Forward |
7.5mile/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 |
| Reverse |
5.7mile/h |
Steering
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| Steering Angle - Right |
85º |
| Steering Angle - Left |
82º |
Hydraulics
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| 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 |
5in |
| Steering Cylinder - Stroke |
44.4in |
Weights - Machines Meeting U.S. EPA Tier 4 Interim/EU Stage IIIB Emission Standards
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| Loaded, Based on a Rated Load |
143245lb |
| Operating Weight - Full Fuel Tanks |
88046lb |
| Shipping Weight - 10% Fuel |
86259lb |
Service Refill Capacities - Tractor
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| 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
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| Loaded, Based on a Rated Load |
142701lb |
| Operating Weight - Full Fuel Tanks |
87499lb |
| Shipping Weight - 10% Fuel |
86004lb |
Service Refill Capacities - Scraper
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| Fuel Tank |
201.6gal (US) |
| Non-Powered Wheel |
1.1gal (US) |
Tractor Engine - Prior U.S. EPA Tier 3/EU Stage IIIA Configuration*
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| 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
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| 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
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C13 ACERT engine with MEUI
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Cat Engine Brake
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Electric start, 24 Volt
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Air cleaner, dry type with precleaner
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Fan, hydraulic
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Diesel Particulate Filter (DPF) aftertreatment (for engine meeting U.S. EPA Tier 4 Interim/EU Stage IIIB emission standards)
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Ground level engine shutdown
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Radiator, aluminum unit core, 9 fins per inch
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Guard, crankcase
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Muffler (for engines achieving U.S. EPA Tier 3/EU Stage IIIA emission levels)
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Starting aid, ether
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Braking system: Primary and Secondary, wet disc, hydraulic Parking, hydraulically-released, spring-applied
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Throttle Lock
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Transmission: 8-speed planetary powershift ECPC Control APECS software Programmable top gear selection Transmission hold Differential lock Guard, power train
Power Train - Scraper
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C9.3 ACERT engine with high pressure common rail fuel
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Cat Engine Brake
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DPF aftertreatment module (for engine meeting U.S. EPA Tier 4 Interim/EU Stage IIIB emission standards)
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Electric start, 24 volt
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Fan, driveline
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Ground engine shutdown
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Muffler (for engines achieving prior U.S. EPA Tier 3/EU Stage IIIA emission levels)
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Starting aid, ether
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Braking system: Primary and Secondary, wet disc, hydraulic Parking, hydraulically-released, spring-applied
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4-speed (torque converter drive) transmission, planetary powershift
Electrical - Tractor
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Alternator, 150 Amp
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Batteries (4), 12 Volt, 1,000 CCA, maintenance free, high output
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Electrical system, 24V
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Lighting system: Headlights, halogen Turn signals with hazard function LED Floodlights, halogen (2), cutting edge (1), bowl (2), side vision (2)
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Starting/charging receptacle
Electrical - Scraper
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Alarm, backup
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Alternator, 65 Amp
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Batteries (4), 12 Volt, 1,000 CCA, maintenance free, high Output
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Lighting system: Brake lights, LED Turn signals with hazard function, LED
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Starting/charging receptacle
Operator Environment - Tractor
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HVAC system, heat, AC, defrost
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Thermostat control of HVAC system
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Coat hook
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Lunchbox platform with holding strap
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Diagnostic connection (2)
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12V power ports (2)
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Differential lock (1)
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Dome courtesy light
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Horn, electric
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T-Handle implement control
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Mirror, rearview
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Radio ready, 12V
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ROPS/FOPS cab, pressurized
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Keypad switches
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Safety tab rocker switches
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Parking brake
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Seat belt, static two-piece
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Seat, air suspension, Comfort Series 3, rotates 30 degrees
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Steering wheel, tilt, telescoping, padded
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Storage in dash if WAVS or Cat Grade Control is not equipped
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Windows, right side emergency egress
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Windows, sliding
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Windows, laminated, zipped in
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Windshield wipers, front and rear windows, includes washers
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Door lock
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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
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Extended Life Coolant to -37° C (-34° F)
Other Standard Equipment - Tractor
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Cushion hitch
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Accumulators (cushion hitch) with Canadian Registration Number (CRN)
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Fast oil change
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Fenders, non metallic
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Heater, engine coolant 120V
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Tow pin, front
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Vandalism locks
Other Standard Equipment - Scraper
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Quick drop bowl valve
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Vandalism locks
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Elevator with 15 flights
Optional Equipment:
