623H Wheel Tractor-Scraper
US
Metric
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
Flywheel Power: Tractor/Scraper
304 kW (407 hp)
Maximum Power
407.00 HP
304.00 kW
Tractor
Cat® C13 ACERT™
Scraper Bowl
Scraper Capacity: Heaped
23.00 yd3
17.60 m3
Rated Load
55200.00 lb
25038.00 kg
Heaped Capacity
23.00 yd³
17.60 m³
Maximum Depth of Cut
10.30 in
262.00 mm
Maximum Depth of Spread
18.30 in
465.00 mm
Maximum Ground Clearance at Cutting Edge
20.80 in
529.00 mm
Maximum Hydraulic Penetration Force
132640.00 lb
590.00 kN
Struck Capacity
18.80 yd³
14.40 m³
Thickness - Cutting Edge
0.90 in
22.00 mm
Width - Cut - Outside Router Bits
123.50 in
3136.00 mm
Transmission
Top Speed - Loaded
33.50 mile/h
53.90 km/h
1 Forward
3.10 mph
5.00 km/h
2 Forward
5.50 mph
8.90 km/h
3 Forward
7.50 mph
12.10 km/h
4 Forward
10.10 mile/h
16.30 km/h
5 Forward
13.60 mile/h
21.90 km/h
6 Forward
18.40 mile/h
29.60 km/h
7 Forward
24.80 mile/h
39.90 km/h
8 Forward
33.50 mile/h
53.90 km/h
Reverse
5.70 mph
9.20 km/h
Steering
Steering Angle - Right
85º
Steering Angle - Left
82º
Hydraulics
Bowl Cylinder Bore
5.50 in
140.00 mm
Bowl Cylinder Stroke
33.30 in
845.00 mm
Ejector Cylinder Bore
4.30 in
110.00 mm
Ejector Cylinder Stroke
47.80 in
1213.00 mm
Bowl Floor Cylinder Bore
5.10 in
130.00 mm
Bowl Floor Stroke
53.30 in
1353.00 mm
Cushion Hitch Circuit Flow
10.60 gal/min
40.10 l/min
Cushion Hitch Cylinder Bore
5.50 in
140.00 mm
Cushion Hitch Cylinder Stroke
9.90 in
251.00 mm
Elevator Circuit Flow
67.90 gal/min
257.00 l/min
Scraper Circuit Flow
50.70 gal/min
192.00 l/min
Secondary Steering Circuit Flow
10.30 gal/min
39.00 l/min
Steering Circuit Flow
61.80 gal/min
234.00 l/min
Steering Cylinder - Bore
5.00 in
127.00 mm
Steering Cylinder - Stroke
44.40 in
1128.00 mm
Standards
Standards
Standards
Weights - Machines Meeting U.S. EPA Tier 4 Interim/EU Stage IIIB Emission Standards
Loaded, Based on a Rated Load
143245.00 lb
64975.00 kg
Operating Weight - Full Fuel Tanks
88046.00 lb
39937.00 kg
Shipping Weight - 10% Fuel
86259.00 lb
39259.00 kg
Service Refill Capacities - Tractor
Cooling System
17.00 gal (US)
64.00 l
Differential
45.80 gal (US)
173.00 l
Engine Crankcase
8.75 gal (US)
33.00 l
Final Drive - Each
5.00 gal (US)
19.00 l
Hydraulic Reservoir
22.00 gal (US)
83.00 l
Transmission
18.50 gal (US)
70.00 l
Windshield Washer Reservoir
1.30 gal (US)
5.00 l
Weights - Machines Achieving Prior U.S. EPA Tier 3/EU Stage IIIA Emission Levels
Loaded, Based on a Rated Load
142701.00 lb
64728.00 kg
Operating Weight - Full Fuel Tanks
87499.00 lb
39689.00 kg
Shipping Weight - 10% Fuel
86004.00 lb
39011.00 kg
Service Refill Capacities - Scraper
Fuel Tank
201.60 gal (US)
763.00 l
Non-Powered Wheel
1.10 gal (US)
4.00 l
Tractor Engine - Prior U.S. EPA Tier 3/EU Stage IIIA Configuration*
Bore
5.10 in
130.00 mm
Displacement
763.00 in³
12.50 l
Maximum Power - All Gears - ISO 14396
407.00 HP
304.00 kW
Maximum Power Reference Engine Speed
1700.00 r/min
1700.00 r/min
Stroke
6.20 in
157.00 mm
Tractor Engine
Cat® C13 ACERT™
Tractor Engine - U.S. EPA Tier 4 Interim/EU Stage IIIB
Bore
5.10 in
130.00 mm
Displacement
763.00 in³
12.50 l
Maximum Power - All Gears - ISO 14396
407.00 HP
304.00 kW
Maximum Power Reference Engine Speed
1700.00 r/min
1700.00 r/min
Stroke
6.20 in
157.00 mm
Tractor Engine
Cat® C13 ACERT™
Engine
Flywheel Power - Tractor/Scraper
304 kW (407 hp)
Transmission
1 Forward
3.10 mile/h
5.00 km/h
2 Forward
5.50 mile/h
8.90 km/h
3 Forward
7.50 mile/h
12.10 km/h
Reverse
5.70 mile/h
9.20 km/h
Hydraulics
Ejector Cylinder Bore
4.30 in
110.00 mm
Ejector Cylinder Stroke
47.80 in
1213.00 mm
Scraper Bowl
Scraper Capacity - Heaped
23.00 yd³
17.60 m³
Rated Load
55200.00 lb
25038.00 kg
Features
Operator's Station
Operator Comfort
Power Train - Engine
Power Train - Transmission
Structures
Scraper Bowl
Elevator
Integrated Technologies
Complete Customer Support
Safety
Sales Features
Operator’s Station
Ergonomically designed for all-day comfort, control and productivity.Operator Comfort
High productivity from a comfortable, confident operator.Power Train - Engine
The Cat® C13 ACERT™ engine is built for power, reliability and efficiency.Power Train - Transmission
More power to the ground for greater productivity.Structures
Superior design and construction delivers long term durability.Scraper Bowl
Caterpillar designed and built for rugged performance and reliability.Elevator
The stronger elevator makes the 623H capable of far more than finish work.Integrated Technologies
Technology options to improve operator comfort and increase productivity.Complete Customer Support
Cat® dealer services help you operate longer with lower costs.Safety
Safety is an integral part of all machine and system designs.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
- Sequence Assist
- Cat Grade Control
- Secondary Steering
- Powered access ladder
- Cat Active Ride Management (ARM) seat
- Fast fuel fill
- HID Work lights
- Low ambient fluids -51° C (-61° F)
- Work Area Vision System (WAVS) - three cameras showing right side, cutting edge and directly behind machine, display in cab
- External steering lock
- Cab precleaner
- Cab rotating beacon
- Air horn
- Fender extension, scraper