Specifications

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621K

Overview

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.
180° Curb-to-Curb Turning Width11.8 m38.71 ft
Fuel Tank Refill Capacity - Scraper763 l201 gal (US)
Maximum Depth of Cut315 mm12.4 in
Maximum Depth of Spread540 mm21.3 in
Overall Shipping Height4.03 m13.22 ft
Overall Width3.57 m11.71 ft
Rated Load26 127 kg (57,610 lb); 26.19 tonnes (28.81 tons)
Scraper Capacity - Heaped18.4 m³24 yd³
Scraper Capacity - Struck13 m³17.1 yd³
Tires - Scraper33.25R29**E3
Tires - Tractor Drive33.25R29**E3
Top Speed - Loaded53.9 km/h33.5 mile/h
Width - Cut3.14 m10.3 ft
Engine Model - TractorCat C13 ACERT™
Flywheel Power - Tractor304 kW407 HP
NoteCat C13 ACERT engine meets U.S. Environmental Protection Agency (EPA) Tier 4 Final/EU Stage IV engine emission standards.
Rated Engine RPM - Tractor2000 r/min2000 r/min
Flywheel Power - Tractor/Scraper304 kW (407 hp)
Scraper Capacity - Heaped18.4 m³24 yd³
Top Speed - Loaded53.9 km/h33.5 mile/h
Cooling System45 l11.89 gal (US)
Crankcase30.58 l8.08 gal (US)
Diesel Exhaust Fluid30.5 l8.057 gal (US)
Fuel Tank818 l216.09 gal (US)
Hydraulic System83 l21.926 gal (US)
Transmission System93 l24.76 gal (US)
Width - Overall Machine3585 mm141.1 in
Width - Tractor3381 mm133.1 in
Width - Inside of Bowl3048 mm120 in
Width - Outside Rear Tires3275 mm128.9 in
Height - Overall Shipping4029 mm158.6 in
Height - Top of Cab3612 mm142.2 in
Ground Clearance - Tractor557 mm21.9 in
Front of Tractor to Front Axle3119 mm122.8 in
Axle to Vertical Hitch Pin540 mm21.3 in
Height - Scraper Blade Maximum520 mm20.5 in
Wheel Base7998 mm314.9 in
Rear Axle - Rear of Machine2898 mm114.1 in
Length - Maximum (Push-Pull)15576 mm613.2 in
Length - Overall Machine - Standard14015 mm551.8 in
Width - Overall Machine - Ladder Down3790 mm149.2 in
Width - Rear Tire Centers2290 mm90.2 in
Operating Weight - Empty36185 kg79787 lb
Overall Length14.02 m45.9 ft
Operating Weight - Empty36567 kg80630 lb
Overall Length - With Bail Down15.58 m51.1 ft
Exterior Sound LevelThe exterior sound power level for the standard machine (ISO 6393) is 111.5 dB(A).
ROPS/FOPSMeets SAE and ISO standards
BrakesISO 3450:1996
Falling Object Protective Structure (FOPS)ISO 3449:2005 Level II
Reverse AlarmISO 9533:2010
Rollover Protection Structure (ROPS)ISO 3471:2008 for up to 17 084 kg (37,664 lb)
Seat BeltSAE J386:JUN1985
Steering SystemISO 5010:2007
Transmission Gear - Eighth53.9 km/h33.5 mile/h
Transmission Gear - Fifth21.9 km/h13.6 mile/h
Transmission Gear - First5 km/h3.1 mile/h
Transmission Gear - Fourth16.3 km/h10.1 mile/h
Transmission Gear - Reverse9.2 km/h5.7 mile/h
Transmission Gear - Second8.9 km/h5.5 mile/h
Transmission Gear - Seventh39.9 km/h24.8 mile/h
Transmission Gear - Sixth29.6 km/h18.4 mile/h
Transmission Gear - Third12.1 km/h7.5 mile/h
Apron Lower3.8 s3.8 s
Apron Raise2.95 s2.95 s
Bail Lower3.2 s3.2 s
Bail Raise1.8 s1.8 s
Bowl Lower3.5 s3.5 s
Bowl Raise3 s3 s
Ejector Extend5.2 s5.2 s
Ejector Retract6.7 s6.7 s

621K Standard Equipment

  • POWER TRAIN - TRACTOR
    • Cat C13 ACERT engine with MEUI™
    • Cat engine brake
    • Electric start, 24 Volt
    • Air cleaner, dry type with precleaner
    • Fan, hydraulic
    • Ground level engine shutdown
    • Radiator, aluminum unit core, 9 fins per inch
    • Guard, crankcase
    • Muffler (only for less or non-regulated regions engine arrangement only)
    • Starting aid, ether
    • Braking system: - Primary and secondary, wet disc, hydraulic - Parking, hydraulic-released, spring-applied - Throttle lock
    • Transmission: - 8-speed planetary power shift - ECPC control - APECS software - Programmable top gear selection - Transmission hold - Differential lock - Guard, power train - Standard tire spin reduction - Ground speed control - Machine speed limit - Differential lock protection
  • POWER TRAIN - SCRAPER
    • Braking system: - Primary and secondary, wet disc, hydraulic
  • ELECTRICAL - TRACTOR
    • Alternator, 150 Amp
    • Batteries (4), 12V, 1,000 CCA, maintenance free, high output
    • Electrical system, 24V
    • Lighting system: - Headlights, halogen - Turn signals with hazard function, LED floodlights, (2) cutting edge (1) bowl, halogen side vision (2)
    • Starting/charging receptacle
  • ELECTRICAL - SCRAPER
    • Alarm, backup
    • Lighting system: - Brake lights, LED - Turn signals with hazard function, LED
  • OPERATOR ENVIRONMENT - TRACTOR
    • HVAC system, heat, AC, defrost
    • Thermostat control of HVAC system
    • Coat hook
    • Lunchbox platform with holding strap
    • Diagnostic connection (2)
    • 12V power ports (2)
    • Differential lock (1)
    • Dome courtesy light
    • Horn, electric
    • T-Handle implement control
    • Mirror, rearview
    • Radio ready
    • ROPS/FOPS cab, pressurized
    • Keypad switches: - Throttle lock - Wipers/washers - Hazard lights - Retarding level select - Work lights on, off - Information mode on Messenger Display
    • Safety tab rocker switches
    • Seat belt, static two-piece
    • Seat, Cat Advanced Ride Management (ARM), Cat Comfort Series 3, rotates 30 degrees
    • Steering wheel, tilt, telescoping, padded
    • Windows, right side emergency egress
    • Windows, sliding
    • Windows, laminated, zipped in
    • Windshield wipers, front and rear windows, includes washers
    • Door lock
    • Messenger Display
    • Gauges, warnings include: - Coolant temperature - Engine oil temperature - Hydraulic oil temperature - DPF temperature - Fuel level - Park brake - Implement lockout - Brake system - Regeneration required - Throttle lock - System voltage - Secondary steering - Bail down - Ejector auto - Differential lock - Apron float - Transmission hold - Cushion hitch - High beam lights - Action lamp - Engine speed, rpm - Gear selection - DEF fill levels
  • FLUIDS
    • Extended Life Coolant to -37° C (-34° F)
  • OTHER STANDARD EQUIPMENT - TRACTOR
    • Advanced cushion hitch
    • Accumulators (cushion hitch) with Canadian Registration Number (CRN)
    • Fast oil change
    • Fenders, non-metallic
    • Heater, engine coolant 120V
    • Rims (2)
    • Tow pin, front
    • Vandalism locks
    • Heater, engine coolant 120V
  • OTHER STANDARD EQUIPMENT - SCRAPER
    • Bowl: - 18.4 m3 (24 yd3), heaped - 14.1 m3 (18.4 yd3), struck
    • Vandalism locks
    • Hydraulic position sensing cylinders (bowl lift and apron)

621K Optional Equipment

  • STEERING ARRANGEMENTS
    • Secondary Steering Arrangement
  • INTEGRATED TECHNOLOGIES
    • Sequence Assist Arrangement
    • Load Assist
    • Cat Grade Control with Load Assist
  • OTHER ATTACHMENTS
    • Camera arrangement - WAVS
    • Steering lock - external
    • Cab beacon
    • Air horn
    • Air horn and beacon
    • Fender, scraper
    • Guard, overflow
    • Wiring group
    • Year of manufacture plate
  • WORK LIGHT ATTACHMENTS
    • HID work lights
  • AMBIENT CAPABILITY ARRANGEMENTS
    • Cooling, high ambient HRC
    • Cooling, low ambient HRC
    • Cooling, high ambient LRC
    • Cooling, low ambient LRC
  • SERVICE INSTRUCTIONS
    • Film arrangement - U.S. (ANSI)
    • Film arrangement - International (ISO)

Exterior

Interior

Specifications

180° Curb-to-Curb Turning Width11.8 m38.71 ft
Fuel Tank Refill Capacity - Scraper763 l201 gal (US)
Maximum Depth of Cut315 mm12.4 in
Maximum Depth of Spread540 mm21.3 in
Overall Shipping Height4.03 m13.22 ft
Overall Width3.57 m11.71 ft
Rated Load26 127 kg (57,610 lb); 26.19 tonnes (28.81 tons)
Scraper Capacity - Heaped18.4 m³24 yd³
Scraper Capacity - Struck13 m³17.1 yd³
Tires - Scraper33.25R29**E3
Tires - Tractor Drive33.25R29**E3
Top Speed - Loaded53.9 km/h33.5 mile/h
Width - Cut3.14 m10.3 ft
Engine Model - TractorCat C13 ACERT™
Flywheel Power - Tractor304 kW407 HP
NoteCat C13 ACERT engine meets U.S. Environmental Protection Agency (EPA) Tier 4 Final/EU Stage IV engine emission standards.
Rated Engine RPM - Tractor2000 r/min2000 r/min
Flywheel Power - Tractor/Scraper304 kW (407 hp)
Scraper Capacity - Heaped18.4 m³24 yd³
Top Speed - Loaded53.9 km/h33.5 mile/h
Cooling System45 l11.89 gal (US)
Crankcase30.58 l8.08 gal (US)
Diesel Exhaust Fluid30.5 l8.057 gal (US)
Fuel Tank818 l216.09 gal (US)
Hydraulic System83 l21.926 gal (US)
Transmission System93 l24.76 gal (US)
Width - Overall Machine3585 mm141.1 in
Width - Tractor3381 mm133.1 in
Width - Inside of Bowl3048 mm120 in
Width - Outside Rear Tires3275 mm128.9 in
Height - Overall Shipping4029 mm158.6 in
Height - Top of Cab3612 mm142.2 in
Ground Clearance - Tractor557 mm21.9 in
Front of Tractor to Front Axle3119 mm122.8 in
Axle to Vertical Hitch Pin540 mm21.3 in
Height - Scraper Blade Maximum520 mm20.5 in
Wheel Base7998 mm314.9 in
Rear Axle - Rear of Machine2898 mm114.1 in
Length - Maximum (Push-Pull)15576 mm613.2 in
Length - Overall Machine - Standard14015 mm551.8 in
Width - Overall Machine - Ladder Down3790 mm149.2 in
Width - Rear Tire Centers2290 mm90.2 in
Operating Weight - Empty36185 kg79787 lb
Overall Length14.02 m45.9 ft
Operating Weight - Empty36567 kg80630 lb
Overall Length - With Bail Down15.58 m51.1 ft
Exterior Sound LevelThe exterior sound power level for the standard machine (ISO 6393) is 111.5 dB(A).
ROPS/FOPSMeets SAE and ISO standards
BrakesISO 3450:1996
Falling Object Protective Structure (FOPS)ISO 3449:2005 Level II
Reverse AlarmISO 9533:2010
Rollover Protection Structure (ROPS)ISO 3471:2008 for up to 17 084 kg (37,664 lb)
Seat BeltSAE J386:JUN1985
Steering SystemISO 5010:2007
Transmission Gear - Eighth53.9 km/h33.5 mile/h
Transmission Gear - Fifth21.9 km/h13.6 mile/h
Transmission Gear - First5 km/h3.1 mile/h
Transmission Gear - Fourth16.3 km/h10.1 mile/h
Transmission Gear - Reverse9.2 km/h5.7 mile/h
Transmission Gear - Second8.9 km/h5.5 mile/h
Transmission Gear - Seventh39.9 km/h24.8 mile/h
Transmission Gear - Sixth29.6 km/h18.4 mile/h
Transmission Gear - Third12.1 km/h7.5 mile/h
Apron Lower3.8 s3.8 s
Apron Raise2.95 s2.95 s
Bail Lower3.2 s3.2 s
Bail Raise1.8 s1.8 s
Bowl Lower3.5 s3.5 s
Bowl Raise3 s3 s
Ejector Extend5.2 s5.2 s
Ejector Retract6.7 s6.7 s

Equipment

621K Standard Equipment

  • POWER TRAIN - TRACTOR
    • Cat C13 ACERT engine with MEUI™
    • Cat engine brake
    • Electric start, 24 Volt
    • Air cleaner, dry type with precleaner
    • Fan, hydraulic
    • Ground level engine shutdown
    • Radiator, aluminum unit core, 9 fins per inch
    • Guard, crankcase
    • Muffler (only for less or non-regulated regions engine arrangement only)
    • Starting aid, ether
    • Braking system: - Primary and secondary, wet disc, hydraulic - Parking, hydraulic-released, spring-applied - Throttle lock
    • Transmission: - 8-speed planetary power shift - ECPC control - APECS software - Programmable top gear selection - Transmission hold - Differential lock - Guard, power train - Standard tire spin reduction - Ground speed control - Machine speed limit - Differential lock protection
  • POWER TRAIN - SCRAPER
    • Braking system: - Primary and secondary, wet disc, hydraulic
  • ELECTRICAL - TRACTOR
    • Alternator, 150 Amp
    • Batteries (4), 12V, 1,000 CCA, maintenance free, high output
    • Electrical system, 24V
    • Lighting system: - Headlights, halogen - Turn signals with hazard function, LED floodlights, (2) cutting edge (1) bowl, halogen side vision (2)
    • Starting/charging receptacle
  • ELECTRICAL - SCRAPER
    • Alarm, backup
    • Lighting system: - Brake lights, LED - Turn signals with hazard function, LED
  • OPERATOR ENVIRONMENT - TRACTOR
    • HVAC system, heat, AC, defrost
    • Thermostat control of HVAC system
    • Coat hook
    • Lunchbox platform with holding strap
    • Diagnostic connection (2)
    • 12V power ports (2)
    • Differential lock (1)
    • Dome courtesy light
    • Horn, electric
    • T-Handle implement control
    • Mirror, rearview
    • Radio ready
    • ROPS/FOPS cab, pressurized
    • Keypad switches: - Throttle lock - Wipers/washers - Hazard lights - Retarding level select - Work lights on, off - Information mode on Messenger Display
    • Safety tab rocker switches
    • Seat belt, static two-piece
    • Seat, Cat Advanced Ride Management (ARM), Cat Comfort Series 3, rotates 30 degrees
    • Steering wheel, tilt, telescoping, padded
    • Windows, right side emergency egress
    • Windows, sliding
    • Windows, laminated, zipped in
    • Windshield wipers, front and rear windows, includes washers
    • Door lock
    • Messenger Display
    • Gauges, warnings include: - Coolant temperature - Engine oil temperature - Hydraulic oil temperature - DPF temperature - Fuel level - Park brake - Implement lockout - Brake system - Regeneration required - Throttle lock - System voltage - Secondary steering - Bail down - Ejector auto - Differential lock - Apron float - Transmission hold - Cushion hitch - High beam lights - Action lamp - Engine speed, rpm - Gear selection - DEF fill levels
  • FLUIDS
    • Extended Life Coolant to -37° C (-34° F)
  • OTHER STANDARD EQUIPMENT - TRACTOR
    • Advanced cushion hitch
    • Accumulators (cushion hitch) with Canadian Registration Number (CRN)
    • Fast oil change
    • Fenders, non-metallic
    • Heater, engine coolant 120V
    • Rims (2)
    • Tow pin, front
    • Vandalism locks
    • Heater, engine coolant 120V
  • OTHER STANDARD EQUIPMENT - SCRAPER
    • Bowl: - 18.4 m3 (24 yd3), heaped - 14.1 m3 (18.4 yd3), struck
    • Vandalism locks
    • Hydraulic position sensing cylinders (bowl lift and apron)

621K Optional Equipment

  • STEERING ARRANGEMENTS
    • Secondary Steering Arrangement
  • INTEGRATED TECHNOLOGIES
    • Sequence Assist Arrangement
    • Load Assist
    • Cat Grade Control with Load Assist
  • OTHER ATTACHMENTS
    • Camera arrangement - WAVS
    • Steering lock - external
    • Cab beacon
    • Air horn
    • Air horn and beacon
    • Fender, scraper
    • Guard, overflow
    • Wiring group
    • Year of manufacture plate
  • WORK LIGHT ATTACHMENTS
    • HID work lights
  • AMBIENT CAPABILITY ARRANGEMENTS
    • Cooling, high ambient HRC
    • Cooling, low ambient HRC
    • Cooling, high ambient LRC
    • Cooling, low ambient LRC
  • SERVICE INSTRUCTIONS
    • Film arrangement - U.S. (ANSI)
    • Film arrangement - International (ISO)

360° Interactive

Exterior

Interior

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