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.
  • Standard Equipment
  • Specs

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

Specs

Overview

Long Name:
623H Wheel Tractor-Scraper
Name:
623H
Brand:
Caterpillar
Status:
Noncurrent

Engine

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

Transmission

Top Speed - Loaded:
33.5 mile/h / 53.9 km/h
1 Forward:
3.1 mile/h / 5 km/h
2 Forward:
5.5 mile/h / 8.9 km/h
3 Forward:
7.5 mile/h / 12.1 km/h
4 Forward:
10.1 mile/h / 16.3 km/h
5 Forward:
13.6 mile/h / 21.9 km/h
6 Forward:
18.4 mile/h / 29.6 km/h
7 Forward:
24.8 mile/h / 39.9 km/h
8 Forward:
33.5 mile/h / 53.9 km/h
Reverse:
5.7 mile/h / 9.2 km/h

Hydraulics

Bowl Cylinder Bore:
5.5 in / 140 mm
Bowl Cylinder Stroke:
33.3 in / 845 mm
Ejector Cylinder Bore:
4.3 in / 110 mm
Ejector Cylinder Stroke:
47.8 in / 1213 mm
Bowl Floor Cylinder Bore:
5.1 in / 130 mm
Bowl Floor Stroke:
53.3 in / 1353 mm
Cushion Hitch Circuit Flow:
10.6 gal/min / 40.1 l/min
Cushion Hitch Cylinder Bore:
5.5 in / 140 mm
Cushion Hitch Cylinder Stroke:
9.9 in / 251 mm
Elevator Circuit Flow:
67.9 gal/min / 257 l/min
Scraper Circuit Flow:
50.7 gal/min / 192 l/min
Secondary Steering Circuit Flow:
10.3 gal/min / 39 l/min
Steering Circuit Flow:
61.8 gal/min / 234 l/min
Steering Cylinder - Bore:
5 in / 127 mm
Steering Cylinder - Stroke:
44.4 in / 1128 mm

Scraper Bowl

Scraper Capacity - Heaped:
23 yd³ / 17.6 m³
Rated Load:
55200 lb / 25038 kg
Heaped Capacity:
23 yd³ / 17.6 m³
Maximum Depth of Cut:
10.3 in / 262 mm
Maximum Depth of Spread:
18.3 in / 465 mm
Maximum Ground Clearance at Cutting Edge:
20.8 in / 529 mm
Maximum Hydraulic Penetration Force:
132640 lb / 590 kN
Struck Capacity:
18.8 yd³ / 14.4 m³
Thickness - Cutting Edge:
0.9 in / 22 mm
Width - Cut - Outside Router Bits:
123.5 in / 3136 mm

Steering

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

Standards

Standards:
Standards

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

Bore:
5.1 in / 130 mm
Displacement:
763 in³ / 12.5 l
Maximum Power - All Gears - ISO 14396:
407 HP / 304 kW
Maximum Power Reference Engine Speed:
1700 r/min / 1700 r/min
Stroke:
6.2 in / 157 mm
Tractor Engine:
Cat® C13 ACERT™

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

Bore:
5.1 in / 130 mm
Displacement:
763 in³ / 12.5 l
Maximum Power - All Gears - ISO 14396:
407 HP / 304 kW
Maximum Power Reference Engine Speed:
1700 r/min / 1700 r/min
Stroke:
6.2 in / 157 mm
Tractor Engine:
Cat® C13 ACERT™

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

Loaded, Based on a Rated Load:
143245 lb / 64975 kg
Operating Weight - Full Fuel Tanks:
88046 lb / 39937 kg
Shipping Weight - 10% Fuel:
86259 lb / 39259 kg

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

Loaded, Based on a Rated Load:
142701 lb / 64728 kg
Operating Weight - Full Fuel Tanks:
87499 lb / 39689 kg
Shipping Weight - 10% Fuel:
86004 lb / 39011 kg

Service Refill Capacities - Tractor

Cooling System:
17 gal (US) / 64 l
Differential:
45.8 gal (US) / 173 l
Engine Crankcase:
8.75 gal (US) / 33 l
Final Drive - Each:
5 gal (US) / 19 l
Hydraulic Reservoir:
22 gal (US) / 83 l
Transmission:
18.5 gal (US) / 70 l
Windshield Washer Reservoir:
1.3 gal (US) / 5 l

Service Refill Capacities - Scraper

Fuel Tank:
201.6 gal (US) / 763 l
Non-Powered Wheel:
1.1 gal (US) / 4 l