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631 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.

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Tractor Engine
Cat® C18
Flywheel Power – Tractor
570hp
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.
Top Speed – Loaded
34.7mile/h
1 Forward
3.4mile/h
2 Forward
6.2mile/h
3 Forward
7.7mile/h
4 Forward
10.5mile/h
5 Forward
14.1mile/h
6 Forward
19mile/h
7 Forward
25.7mile/h
8 Forward
34.7mile/h
Reverse
6.2mile/h
Brakes
ISO 3450:2011
ROPS/FOPS
ROPS: ISO 3471:2008. FOPS:ISO 3449:2005 Level II.
Cab
Seat Belt: SAE J386:FEB2006
Width – 180° Turn
40.2ft
Fuel Tank
231gal (US)
Crankcase
13.7gal (US)
Transmission
29gal (US)
Differential
41.7gal (US)
Final Drive – Each
5gal (US)
Cooling System
19.8gal (US)
Hydraulic Reservoir
37.5gal (US)
Windshield Washer
1.3gal (US)
  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Powertrain
    • Cat® C18 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
    • Air cleaner, dry type with precleaner
    • Fan, hydraulic
    • Ground level engine shutdown
    • Radiator, aluminum unit core, 9 fins per inch
    • 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
    • Windows, laminated, zipped in
    • Windshield wipers, front and rear windows, includes washers
    • Mirror, rearview
    • Door lock
    • Messenger display
    • 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
  • 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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Why Choose Louisiana Cat

We serve to build and power our community for a better future.

  • Provide a safe & meaningful work environment
  • Deliver innovative solutions through our expertise
  • Committed to the long-term growth and success of our employees and customers
  • Grow our business profitably

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