Caterpillar-621K

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Caterpillar 621K Open Bowl Scrapers

Variants

Specifications of Caterpillar 621K Open Bowl Scrapers

Engine

  • Engine Model: Tractor Cat C13 ACERTâ„¢
  • Flywheel Power: Tractor 304.0 kW
  • Note Cat C13 ACERT engine meets U.S. Environmental Protection Agency (EPA) Tier 4 Final/EU Stage IV engine emission standards.
  • Rated Engine RPM: Tractor 2000.0 RPM

Transmission

  • Top Speed (Loaded) 53.9 km/h

Service Refill Capacities

  • Cooling System 45.0 L
  • Crankcase 30.58 L
  • Diesel Exhaust Fluid 30.5 L
  • Fuel Tank 818.0 L
  • Hydraulic System 83.0 L
  • Transmission System 93.0 L

Dimensions

  • Axle to Vertical Hitch Pin 540.0 mm
  • Front of Tractor to Front Axle 3119.0 mm
  • Ground Clearance - Tractor 557.0 mm
  • Height - Overall Shipping 4029.0 mm
  • Height - Scraper Blade Maximum 520.0 mm
  • Height - Top of Cab 3612.0 mm
  • Length - Maximum (Push-Pull) 15576.0 mm
  • Length - Overall Machine (Standard) 14015.0 mm
  • Rear Axle to Rear of Machine 2898.0 mm
  • Wheelbase 7998.0 mm
  • Width - Inside of Bowl 3048.0 mm
  • Width - Outside Rear Tires 3275.0 mm
  • Width - Overall Machine 3585.0 mm
  • Width - Overall Machine - Ladder Down 3790.0 mm
  • Width - Rear Tire Centers 2290.0 mm
  • Width - Tractor 3381.0 mm

Cab

  • Exterior Sound Level The exterior sound power level for the standard machine (ISO 6393) is 111.5 dB(A).
  • ROPS/FOPS Meets SAE and ISO standards

General Data

  • 180° Curb-to-Curb Turning Width 11.8 m
  • Fuel Tank Refill Capacity: Scraper 763.0 L
  • Maximum Depth of Cut 315.0 mm
  • Maximum Depth of Spread 540.0 mm
  • Overall Shipping Height 4.03 m
  • Overall Width 3.57 m
  • Rated Load 26 127 kg (57,610 lb); 26.19 tonnes (28.81 tons)
  • Scraper Capacity: Heaped 18.4 m3
  • Scraper Capacity: Struck 13.0 m3
  • Tires: Scraper 33.25R29**E3
  • Tires: Tractor Drive 33.25R29**E3
  • Top Speed (Loaded) 53.9 km/h
  • Width of Cut 3.14 m

Implement Cycle Times

  • Apron Lower 3.8 Seconds
  • Apron Raise 2.95 Seconds
  • Bail Lower 3.2 Seconds
  • Bail Raise 1.8 Seconds
  • Bowl Lower 3.5 Seconds
  • Bowl Raise 3.0 Seconds
  • Ejector Extend 5.2 Seconds
  • Ejector Retract 6.7 Seconds

Travel Speeds (Runout)

  • Transmission Gear: Eighth 53.9 km/h
  • Transmission Gear: Fifth 21.9 km/h
  • Transmission Gear: First 5.0 km/h
  • Transmission Gear: Fourth 16.3 km/h
  • Transmission Gear: Reverse 9.2 km/h
  • Transmission Gear: Second 8.9 km/h
  • Transmission Gear: Seventh 39.9 km/h
  • Transmission Gear: Sixth 29.6 km/h
  • Transmission Gear: Third 12.1 km/h

Safety Criteria Compliance Standards

  • Brakes ISO 3450:1996
  • Falling Object Protective Structure (FOPS) ISO 3449:2005 Level II
  • Reverse Alarm ISO 9533:2010
  • Rollover Protection Structure (ROPS) ISO 3471:2008 for up to 17 084 kg (37,664 lb)
  • Seat Belt SAE J386:JUN1985
  • Steering System ISO 5010:2007

Scraper Bowl

  • Scraper Capacity: Heaped 18.4 m3

Tractor Engine

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

Non Push-Pull

  • Operating Weight (Empty) 36185.0 kg
  • Overall Length 14.02 m

Push-Pull

  • Operating Weight (Empty) 36567.0 kg
  • Overall Length (With Bail Down) 15.58 m

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