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621H Wheel Tractor-Scraper

  • OVERVIEW
  • SPECIFICATIONS
  • STANDARD / OPTIONAL
PRODUCT DESCRIPTION

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
  • Maximum Power - 407 HP
  • Tractor - Cat® C13 ACERT™
  • Tractor Engine
  • Flywheel Power - Tractor/Scraper - 304 kW (407 hp)
  • Scraper Bowl
  • Scraper Capacity - Heaped - 24 yd³
  • Rated Load - 57600 lb
  • Heaped Capacity - 24 yd³
  • Maximum Apron Closure Force - 50580 lb
  • Maximum Apron Opening - 69.6 in
  • Maximum Depth of Cut - 12.4 in
  • Maximum Depth of Spread - 21.3 in
  • Maximum Ground Clearance at Cutting Edge - 23.4 in
  • Maximum Hydraulic Penetration Force - 130390 lb
  • Struck Capacity - 17.1 yd³
  • Thickness - Cutting Edge - 0.9 in
  • Width - Cut - Outside Router Bits - 123.5 in
  • Transmission
  • Top Speed - Loaded - 33.5 mile/h
  • 1 Forward - 3.1 mile/h
  • 2 Forward - 5.5 mile/h
  • 3 Forward - 7.5 mile/h
  • 4 Forward - 10.1 mile/h
  • 5 Forward - 13.6 mile/h
  • 6 Forward - 18.4 mile/h
  • 7 Forward - 24.8 mile/h
  • 8 Forward - 33.5 mile/h
  • Reverse - 5.7 mile/h
  • Hydraulics
  • Cushion Hitch Circuit Flow - 10.6 gal/min
  • Cushion Hitch Cylinder Bore - 5.5 in
  • Cushion Hitch Cylinder Stroke - 9.9 in
  • Push/Pull Bail Cylinder Bore - 3.5 in
  • Push/Pull Bail Cylinder Stroke - 16.3 in
  • Scraper Circuit Flow - 66 gal/min
  • Secondary Steering Circuit Flow - 10.3 gal/min
  • Steering Circuit Flow - 61.8 gal/min
  • Steering Cylinder - Bore - 5 in
  • Steering Cylinder - Stroke - 44.4 in
  • Bowl Cylinder Bore - 5.5 in
  • Bowl Cylinder Stroke - 33.3 in
  • Apron Cylinder Bore - 5.9 in
  • Apron Cylinder Stroke - 22.2 in
  • Ejector Cylinder Bore - 5.5 in
  • Ejector Cylinder Stroke - 61 in
  • Steering
  • Steering Angle - Right - 85º
  • Steering Angle - Left - 82º
  • Service Refill Capacities - Tractor
  • Engine Crankcase - 8.75 gal (US)
  • Windshield Washer Reservoir - 1.3 gal (US)
  • Transmission - 18.5 gal (US)
  • Differential - 45.8 gal (US)
  • Final Drive - Each - 5 gal (US)
  • Cooling System - 17 gal (US)
  • Hydraulic Reservoir - 22 gal (US)
  • Service Refill Capacities - Scraper
  • Fuel Tank - 201.6 gal (US)
  • Non-Powered Wheel - 1.1 gal (US)
  • Standards
  • Standards - Standards
  • Tractor Engine - U.S. EPA Tier 4 Interim/EU Stage IIIB
  • Bore - 5.1 in
  • Displacement - 763 in³
  • Maximum Power - All Gears - ISO 14396 - 407 HP
  • Maximum Power Reference Engine Speed - 1700 r/min
  • Stroke - 6.2 in
  • Tractor Engine - Cat® C13 ACERT™
  • Tractor Engine - Prior U.S. EPA Tier 3/EU Stage IIIA Configuration*
  • Bore - 5.1 in
  • Displacement - 763 in³
  • Maximum Power - All Gears - ISO 14396 - 407 HP
  • Maximum Power Reference Engine Speed - 1700 r/min
  • Stroke - 6.2 in
  • Tractor Engine - Cat® C13 ACERT™
  • Weights - Machines Meeting U.S. EPA Tier 4 Interim/EU Stage IIIB Emission Standards
  • Push-Pull - Loaded - Based on a Rated Load - 141141 lb
  • Push-Pull - Operating Weight - Full Fuel Tanks - 82541 lb
  • Push-Pull - Shipping Weight - 10% Fuel - 81090 lb
  • Standard - Loaded, Based on a Rated Load - 137374 lb
  • Standard - Operating Weight - Full Fuel Tanks - 79774 lb
  • Standard - Shipping Weight - 10% fuel - 78279 lb
  • Weights - Machines Achieving Prior U.S. EPA Tier 3/EU Stage IIIA Emission Levels
  • Push-Pull - Loaded - Based on a Rated Load - 135597 lb
  • Push-Pull - Operating Weight - Full Fuel Tanks - 81996 lb
  • Push-Pull - Shipping Weight - 10% Fuel - 80502 lb
  • Standard - Loaded, Based on a Rated Load - 136830 lb
  • Standard - Operating Weight - Full Fuel Tanks - 79230 lb
  • Standard - Shipping Weight - 10% fuel - 77735 lb
  • Standard Equipment
  • POWER TRAIN - TRACTOR
  • POWER TRAIN - SCRAPER
  • ELECTRICAL - TRACTOR
  • ELECTRICAL - SCRAPER
  • OPERATOR ENVIRONMENT - TRACTOR
  • FLUIDS
  • OTHER STANDARD EQUIPMENT - TRACTOR
  • OTHER STANDARD EQUIPMENT - SCRAPER
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