Caterpillar-621H

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Caterpillar 621H Open Bowl Scrapers

Variants

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™

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