08-21-2025, 04:26 PM
Machine Overview
The Caterpillar H Series scrapers represent a lineage of powerful, efficient wheel tractor-scrapers widely used in large-scale earthmoving, mining, and construction projects. Known for their robust build and high productivity, these machines combine tractor and scraper units designed to load, haul, and spread material with speed and precision.
Models and Specifications
Caterpillar H Series scrapers are foundational equipment in large earthmoving projects such as highway construction, mine site development, and land reclamation. Their optimized balance of power, capacity, and speed allows moving vast quantities of material efficiently, reducing machine fleet sizes and fuel consumption.
Historical and Market Context
These scrapers continue Caterpillar’s long tradition of producing industry-leading earthmoving equipment, evolving through stringent emissions regulations while maintaining rugged durability. They compete globally with machines designed to maximize material moved per hour while ensuring operator comfort and mechanical reliability.
Summary
The Caterpillar H Series scrapers blend powerful engines, large bowl capacities, efficient hydraulics, and operator-focused design into formidable earthmoving machines. Ideal for high-productivity sites, they offer advanced performance metrics such as 24-yard bowl capacities and 400+ hp for tractor engines, meeting modern emission standards and operational demands. Their robust construction and advanced technology ensure they remain essential in large-scale construction and mining fleets worldwide.
The Caterpillar H Series scrapers represent a lineage of powerful, efficient wheel tractor-scrapers widely used in large-scale earthmoving, mining, and construction projects. Known for their robust build and high productivity, these machines combine tractor and scraper units designed to load, haul, and spread material with speed and precision.
Models and Specifications
- Model 627H Wheel Tractor-Scraper
- Tractor Engine: Cat C13 ACERT, 407 hp (304 kW), Tier 4 Final compliant
- Scraper Engine: Cat C9.3 ACERT, 290 hp (216 kW), Tier 4 Final compliant
- Bowl Capacity: 24 cubic yards (approximately 18.3 cubic meters) heaped
- Rated Load: Approximately 57,600 lbs (26,127 kg)
- Max Depth of Cut: 12.4 inches (315 mm)
- Cutting Edge Width: 123.5 inches (3136 mm)
- Maximum Ground Clearance: 23.4 inches (594 mm)
- Maximum Hydraulic Penetration Force: 130,390 lbs (580 kN)
- Tractor Engine: Cat C13 ACERT, 407 hp (304 kW), Tier 4 Final compliant
- Model 623H
- Similar robust specifications with a slightly smaller bowl (23 cubic yards) and rated load of approximately 55,200 lbs (25,041 kg)
- Engine and hydraulic specs for powerful excavation and transport
- Similar robust specifications with a slightly smaller bowl (23 cubic yards) and rated load of approximately 55,200 lbs (25,041 kg)
- High-Speed Hauling: Top speeds of up to 33.5 mph (54 km/h) enable fast cycle times on haul roads, increasing daily productivity.
- Efficient Loading: Large bowl capacities with efficient hydraulic systems permit quick material loading and dumping.
- Operator Comfort: Upsized, climate-controlled cabs offer enhanced visibility and ergonomic controls for reduced operator fatigue.
- Advanced Hydraulics: Multiple circuits delivering flow rates over 60 gallons per minute for smooth control of bowl, apron, and ejector functions.
- Dual-engine setup allows separate power sources optimizing tractor drive and scraper functions.
- Tier 4 emissions compliance ensures environmental performance without sacrificing power.
- Advanced control systems enhance operator precision during loading and material spreading.
- Wheel Tractor-Scraper: Versatile machine combining a tractor and scraper bowl unit capable of cutting and hauling soil or aggregate materials over medium distances.
- Bowl Capacity: Volume of material the scraper can carry, measured in cubic yards or cubic meters, either heaped or struck (level).
- Cutting Edge: Steel edge on scraper bowl used for cutting into soil during loading.
- Hydraulic Penetration Force: Measure of pushing power from hydraulics used to drive the scraper bowl into the ground.
- Rated Load: Maximum safe load the scraper is designed to carry during operation.
Caterpillar H Series scrapers are foundational equipment in large earthmoving projects such as highway construction, mine site development, and land reclamation. Their optimized balance of power, capacity, and speed allows moving vast quantities of material efficiently, reducing machine fleet sizes and fuel consumption.
Historical and Market Context
These scrapers continue Caterpillar’s long tradition of producing industry-leading earthmoving equipment, evolving through stringent emissions regulations while maintaining rugged durability. They compete globally with machines designed to maximize material moved per hour while ensuring operator comfort and mechanical reliability.
Summary
The Caterpillar H Series scrapers blend powerful engines, large bowl capacities, efficient hydraulics, and operator-focused design into formidable earthmoving machines. Ideal for high-productivity sites, they offer advanced performance metrics such as 24-yard bowl capacities and 400+ hp for tractor engines, meeting modern emission standards and operational demands. Their robust construction and advanced technology ensure they remain essential in large-scale construction and mining fleets worldwide.
