Wheel Tractor-Scrapers 621K Redefining your profit potential

Flywheel Power - Tractor/Scraper
304 kW (407 hp)
304 kW (407 hp)
Scraper Capacity - Heaped
24.0 yd³
18.4 m³
Top Speed - Loaded
33.5 mile/h
53.9 km/h

Product Specifications for 621K

General

Engine

Tractor Engine

Scraper Bowl

Transmission

Service Refill Capacities

Dimensions

Non Push-Pull

Push-Pull

Cab

Safety Criteria Compliance Standards

Travel Speeds - Runout

Implement Cycle Times

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
    – 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

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)

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