621 Partial Scraper

621 Partial Wheel Tractor-Scraper

Caterpillar offers partial wheel tractor-scraper power units designed for specialty machines that complement the traditional Cat® product line. These tractor-only configurations are available for purchase directly from Caterpillar OEM Solutions. They can be leveraged for a variety of final machines, including water pulls, elevating scrapers, lowboy trailer power units, and more. With improvements in productivity combined with enhancements in operator comfort and new safety features – Powered Access System and effective wet disc brakes – this machine offers high returns on time and investment.

Category:

WORK IN COMFORT

EASY TO OPERATE

BE MORE PRODUCTIVE

DESIGNED FOR SAFETY

DEALER SUPPORT

Standard Equipment

NOTE
  • Standard and optional equipment may vary. Consult your Cat dealer for details.
POWERTRAIN
  • Cat® C13 engine with Mechanically Actuated Electronic Unit Injection (MEUI™)
  • Transmission: 8-speed planetary powershift, ECPC control, APECS software, programmable top gear selection, transmission hold, differential lock, guard - power train, ground speed control, machine speed limit
  • Cat engine brake
  • Electric start, 24V
  • Fan, hydraulic
  • Ground level engine shutdown
  • Guard, crankcase
  • Starting aid, ether
  • Braking system: primary and secondary, wet disc, hydraulic; parking, hydraulic-released, spring-applied
ELECTRICAL
  • Alternator, 115 ampere
  • Batteries (4), 12V, 1,000 CCA, maintenance free, high output
  • Electrical system, 24V
  • Lighting system: LED
  • Starting/charging receptacle
OPERATOR ENVIRONMENT
  • 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
  • Dome courtesy light
  • Horn, electric
  • T-handle implement control
  • Radio ready
  • ROPS/FOPS cab, pressurized
  • Keypad switches: rear engine start; throttle lock; wipers/washers; hazard lights; worklights on, off; information mode; messenger display; safety tab rocker switches, parking brake
  • Seat belt, static two-piece
  • Windows, sliding
  • Windshield wipers, front and rear windows, includes washers
  • Windows, laminated, zipped in
  • Mirror, rearview
  • Door lock
  • Messenger display gauges, warnings include: coolant temp; engine oil temp; hydraulic oil temp; DPF temp; fuel level; park brake; implement lockout; brake system, regeneration required; throttle lock; system voltage; secondary steering; bail down; differential lock; apron float; transmission hold; high beam lights; action lamp; engine speed, rpm; gear selection; DPF fill levels
  • Safety tab rocker switches
  • Seat: Cat Advanced Ride Management (ARM), Cat Comfort Series III, rotates 30 degrees
  • Steering wheel, tilt, telescoping, padded
  • Windows, right side emergency egress
  • Messenger display
FLUIDS
  • Extended life coolant to -37° C (-34° F)
OTHER EQUIPMENT
  • Advanced cushion hitch
  • Accumulators (cushion hitch and brake) with Canadian registration number (CRN)
  • Tow pin, front
  • Fenders, non-metallic
  • Heater, engine coolant 120V
OTHER ATTACHMENTS
  • Fast-fill fuel tank

Additional information

Offering Type

Tractor Engine

Cat® C13

Engine - Flywheel Power - Tractor

304 kW ( 407 HP )

Engine - Note

Meets U.S. EPA Tier 4 Final or EU Stage V emission standards, or equivalent to U.S. EPA Tier 2, or equivalent to U.S. EPA Tier 3 and EU Stage IIIA.

Transmission - Top Speed - Loaded

53.9 km/h ( 33.5 mile/h )

Transmission - 1 Forward

5 km/h ( 3.1 mile/h )

Transmission - 2 Forward

8.9 km/h ( 5.5 mile/h )

Transmission - 3 Forward

12.1 km/h ( 7.5 mile/h )

Transmission - 4 Forward

16.3 km/h ( 10.1 mile/h )

Transmission - 5 Forward

21.9 km/h ( 13.6 mile/h )

Transmission - 6 Forward

29.6 km/h ( 18.4 mile/h )

Transmission - 7 Forward

39.9 km/h ( 24.8 mile/h )

Transmission - 8 Forward

53.9 km/h ( 33.5 mile/h )

Transmission - Reverse

9.2 km/h ( 5.7 mile/h )

Steering - Width - 180° Turn

11.8 m ( 38.6 ft )

Standards - Brakes

ISO 3450:2011

Standards - ROPS/FOPS

ROPS: ISO 3471:2008 for up to 17 084 kg (37,664 lb). FOPS: ISO 3449:2005 Level II.

Standards - Cab

Seat Belt: SAE J386:JUN1985

Service Refill Capacities - Tractor - Fuel Tank

818 l ( 216.1 gal (US) )

Service Refill Capacities - Tractor - Crankcase

37 l ( 9.7 gal (US) )

Service Refill Capacities - Tractor - Transmission

97 l ( 25.5 gal (US) )

Service Refill Capacities - Tractor - Differential

158 l ( 41.7 gal (US) )

Service Refill Capacities - Tractor - Final Drive - Each

19 l ( 5 gal (US) )

Service Refill Capacities - Tractor - Cooling System

42 l ( 11 gal (US) )

Service Refill Capacities - Tractor - Hydraulic Reservoir

83 l ( 21.9 gal (US) )

Service Refill Capacities - Tractor - Windshield Washer

5 l ( 1.3 gal (US) )

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