Customize your Cat 621 partial wheel tractor scaper.

Partial Scrapers 621 Partial Scraper

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Key Specs

Tractor Engine
Cat® C13
Cat® C13
Flywheel Power - Tractor
407 hp
304 kW
Top Speed - Loaded
33.5 mile/h
53.9 km/h

Overview

Customization for Your Operation.

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.

Benefits

Increased Comfort

Ergonomic controls and a newly redesigned cab interior provide a more comfortable and efficient working environment all day long

Up To 8% Improved Productivity

Improvements in fuel efficiency and the new APECS transmission controls deliver more productivity in most applications

Additional Safety

New safety features help operators be more productive and work more efficiently all day long

Product Specifications for 621 Partial Scraper

Tractor Engine Cat® C13 Cat® C13
Flywheel Power - Tractor 407 hp 304 kW
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. 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.
Top Speed - Loaded 33.5 mile/h 53.9 km/h
1 Forward 3.1 mile/h 5 km/h
2 Forward 5.5 mile/h 8.9 km/h
3 Forward 7.5 mile/h 12.1 km/h
4 Forward 10.1 mile/h 16.3 km/h
5 Forward 13.6 mile/h 21.9 km/h
6 Forward 18.4 mile/h 29.6 km/h
7 Forward 24.8 mile/h 39.9 km/h
8 Forward 33.5 mile/h 53.9 km/h
Reverse 5.7 mile/h 9.2 km/h
Width - 180° Turn 38.6 ft 11.8 m
Brakes ISO 3450:2011 ISO 3450:2011
ROPS/FOPS ROPS: ISO 3471:2008 for up to 17 084 kg (37,664 lb). FOPS: ISO 3449:2005 Level II. ROPS: ISO 3471:2008 for up to 17 084 kg (37,664 lb). FOPS: ISO 3449:2005 Level II.
Cab Seat Belt: SAE J386:JUN1985 Seat Belt: SAE J386:JUN1985
Fuel Tank 216.1 gal (US) 818 l
Crankcase 9.7 gal (US) 37 l
Transmission 25.5 gal (US) 97 l
Differential 41.7 gal (US) 158 l
Final Drive - Each 5 gal (US) 19 l
Cooling System 11 gal (US) 42 l
Hydraulic Reservoir 21.9 gal (US) 83 l
Windshield Washer 1.3 gal (US) 5 l

621 Partial Scraper 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

621 Partial Scraper Optional Equipment

OTHER ATTACHMENTS

  • Camera arrangement: Work Area Vision System (WAVS)
  • Cab beacon
  • Air horn
  • Air horn and beacon
  • Kingbolt housing
  • Rear wheel arrangement (set of 2)
  • Scraper draft arm package
  • Steering cylinder group (set of 2)

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