Caterpillar 621H Open Bowl Scrapers

Specifications of Caterpillar 621H Open Bowl Scrapers

Engine

• Max. Power 304.0 kW
• Tractor Cat® C13 ACERT™

Transmission

• 7 Forward 39.9 km/h
• 8 Forward 53.9 km/h
• Forward 1 5.0 km/h
• Forward 2 8.9 km/h
• Forward 3 12.1 km/h
• Forward 4 16.3 km/h
• Forward 5 21.9 km/h
• Forward 6 29.6 km/h
• Reverse 9.2 km/h
• Top Speed (Loaded) 53.9 km/h

Steering

• Steering Angle – Left 82º
• Steering Angle – Right 85º

Standards

• Standards Standards

Scraper Bowl

• Heaped Capacity 18.3 m3
• Maximum Apron Closure Force 225.0 kN
• Maximum Apron Opening 1767.0 mm
• Maximum Depth of Cut 315.0 mm
• Maximum Depth of Spread 540.0 mm
• Maximum Ground Clearance at Cutting Edge 594.0 mm
• Maximum Hydraulic Penetration Force 580.0 kN
• Rated Load 26127.0 kg
• Scraper Capacity: Heaped 18.3 m3
• Struck Capacity 13.0 m3
• Thickness of Cutting Edge 22.0 mm
• Width of Cut, Outside Router Bits 3136.0 mm

Service Refill Capacities – Scraper

• Fuel Tank 763.0 L
• Non-Powered Wheel 4.0 L

Service Refill Capacities – Tractor

• Cooling System 64.0 L
• Differential 173.0 L
• Engine Crankcase 33.0 L
• Final Drive (per side) 19.0 L
• Hydraulic Reservoir 83.0 L
• Transmission 70.0 L
• Windshield Washer Reservoir 5.0 L

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

• Push-Pull – Loaded, based on a rated load 63320.0 kg
• Push-Pull – Operating Weight – full fuel tanks 37193.0 kg
• Push-Pull – Shipping Weight – 10% fuel 36515.0 kg
• Standard – Loaded, based on a rated load 62065.0 kg
• Standard – Operating Weight – full fuel tanks 35938.0 kg
• Standard – Shipping Weight – 10% fuel 35260.0 kg

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

• Push-Pull – Loaded, based on a rated load 63567.0 kg
• Push-Pull – Operating Weight – full fuel tanks 37440.0 kg
• Push-Pull – Shipping Weight – 10% fuel 36782.0 kg
• Standard – Loaded, based on a rated load 62312.0 kg
• Standard – Operating Weight – full fuel tanks 36185.0 kg
• Standard – Shipping Weight – 10% fuel 35507.0 kg

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

• Bore 130.0 mm
• Displacement 12.5 L
• Max. Power (All Gears) (ISO 14396) 304.0 kW
• Max. Power Reference Engine Speed 1700.0 RPM
• Stroke 157.0 mm
• Tractor Engine Cat® C13 ACERT™

Tractor Engine

• Flywheel Power: Tractor/Scraper 304 kW (407 hp)

Hydraulics

• Apron Cylinder Bore 150.0 mm
• Apron Cylinder Stroke 565.0 mm
• Bowl Cylinder Bore 140.0 mm
• Bowl Cylinder Stroke 845.0 mm
• Cushion Hitch Circuit Flow 40.1 L/min
• Cushion Hitch Cylinder Bore 140.0 mm
• Cushion Hitch Cylinder Stroke 251.0 mm
• Ejector Cylinder Bore 140.0 mm
• Ejector Cylinder Stroke 1550.0 mm
• Push/Pull Bail Cylinder Bore 90.0 mm
• Push/Pull Bail Cylinder Stroke 415.0 mm
• Scraper Circuit Flow 250.0 L/min
• Secondary Steering Circuit Flow 39.0 L/min
• Steering Circuit Flow 234.0 L/min
• Steering Cylinder Bore 127.0 mm
• Steering Cylinder Stroke 1128.0 mm

Scraper Engine – Prior U.S. EPA Tier 3/EU Stage IIIA configuration*

• Bore 130.0 mm
• Displacement 12.5 L
• Max. Power (All Gears) (ISO 14396) 304.0 kW
• Max. Power Reference Engine Speed 1700.0 RPM
• Stroke 157.0 mm
• Tractor Engine Cat® C13 ACERT™