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: 407.0 hp
Tractor: CatÂ® C13 ACERTâ„¢

Transmission

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

Hydraulics

Bowl Cylinder Bore: 5.5 in
Bowl Cylinder Stroke: 33.3 in
Ejector Cylinder Bore: 4.3 in
Ejector Cylinder Stroke: 47.8 in
Bowl Floor Cylinder Bore: 5.1 in
Bowl Floor Stroke: 53.3 in
Cushion Hitch Circuit Flow: 10.6 gal/min
Cushion Hitch Cylinder Bore: 5.5 in
Cushion Hitch Cylinder Stroke: 9.9 in
Elevator Circuit Flow: 67.9 gal/min
Scraper Circuit Flow: 50.7 gal/min
Secondary Steering Circuit Flow: 10.3 gal/min
Steering Circuit Flow: 61.8 gal/min
Steering Cylinder Bore: 5.0 in
Steering Cylinder Stroke: 44.4 in

Scraper Bowl

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

Steering

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

Standards

Standards: Standards

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

Bore: 5.1 in
Displacement: 763.0 in3
Max. Power (All Gears) (ISO 14396): 407.0 hp
Max. Power Reference Engine Speed: 1700.0 RPM
Stroke: 6.2 in
Tractor Engine: CatÂ® C13 ACERTâ„¢

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

Bore: 5.1 in
Displacement: 763.0 in3
Max. Power (All Gears) (ISO 14396): 407.0 hp
Max. Power Reference Engine Speed: 1700.0 RPM
Stroke: 6.2 in
Tractor Engine: CatÂ® C13 ACERTâ„¢

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

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

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

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

Service Refill Capacities - Tractor

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

Service Refill Capacities - Scraper

Fuel Tank: 201.6 gal
Non-Powered Wheel: 1.1 gal