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New 631 Wheel Tractor-Scraper in North Carolina

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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.

Pricing: Contact for Pricing Why we quote: Cat® machines are often configured to your job (attachments, hydraulics, cab options) and freight/taxes can vary by location. Request a quote to get accurate pricing based on your exact setup—typically within 1–2 business days.

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    Flywheel Power - Tractor/Scraper 570hp
    Scraper Capacity - Heaped 34yd³
    Top Speed - Loaded 34.7mile/h
    Emissions Cat® C18 engine meets U.S. EPA Tier 4 Final/EU Stage IV emission standards.
    Engine Model - Tractor Cat® C18
    Flywheel Power - Tractor 570hp
    Rated Engine RPM - Tractor 1900r/min
    Transmission Gear - Eighth 34.7mile/h
    Transmission Gear - Fifth 14.1mile/h
    Transmission Gear - First 3.4mile/h
    Transmission Gear - Fourth 10.5mile/h
    Transmission Gear - Reverse 6.2mile/h
    Transmission Gear - Second 6.2mile/h
    Transmission Gear - Seventh 25.7mile/h
    Transmission Gear - Sixth 19mile/h
    Transmission Gear - Third 7.7mile/h
    180° Curb-to-Curb Turning Width 40.12ft
    Fuel Tank Refill Capacity - Scraper 231gal (US)
    Maximum Depth of Cut 12.4in
    Maximum Depth of Spread 21.1in
    Overall Shipping Height 12.9ft
    Overall Width 12.11ft
    Rated Load 37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
    Scraper Capacity - Heaped 34yd³
    Scraper Capacity - Struck 24yd³
    Tires - Scraper 37.25R35**E3
    Tires - Tractor 37.25R35**E3
    Top Speed - Loaded 34.7mile/h
    Width - Cut 17.7ft
    Cooling System 18.75gal (US)
    Crankcase - Tractor 13.7gal (US)
    Diesel Exhaust Fluid (DEF) 8gal (US)
    Fuel Tank 231gal (US)
    Hydraulic System 37.5gal (US)
    Real Wheels (Each) 2.37gal (US)
    Transmission System 29gal (US)
    Differential 40.41gal (US)
    Windshield Washer Reservoir 1.3gal (US)
    Final Drive - Each 8.71gal (US)
    Axle to Vertical Hitch Pin 20in
    Front of Tractor to Front Axle 142in
    Ground Clearance - Tractor 26.1in
    Height - Overall Shipping 153.2in
    Height - Scraper Blade Maximum 20in
    Height - Top of Cab 149.8in
    Length - Maximum (Push-Pull) 655.2in
    Length - Overall Machine - Standard 596.8in
    Rear Axle - Rear of Machine 108in
    Wheel Base 346.8in
    Width - Inside of Bowl 134in
    Width - Outside Bowl - Shipping Width 143.1in
    Width - Outside Rear Tires 143.2in
    Width - Overall Machine 155in
    Width - Overall Machine - Ladder Down 159.3in
    Width - Rear Tire Centers 96.9in
    Width - Tractor 144.2in
    Operating Weight - Empty 102750lb
    Overall Length 49.34ft
    Operating Weight - Empty 106430lb
    Overall Length - With Bail Down 54.59ft
    Exterior Sound Level The exterior sound power level for the standard machine (ISO 6393) is 116 dB(A).
    ROPS/FOPS ROPS/FOPS meet “ISO Standards.”
    Brakes ISO 3450:2011
    Falling Object Protective Structure (FOPS) ISO 3449:2005 Level II
    Reverse Alarm ISO 9533:2010
    Rollover Protection Structure (ROPS) ISO 3471:2008 for up to 21 282 kg (46,919 lb)
    Seat Belt SAE J386:FEB2006
    Steering System ISO 5010:2007
    Apron Lower 3.8s
    Apron Raise 4s
    Bail Lower 2.1s
    Bail Raise 1.5s
    Bowl Lower 3.5s
    Bowl Raise 3.5s
    Ejector Extend 8.5s
    Ejector Retract 8.5s

    Standard Equipment:

    • Standard and optional equipment may vary. Consult your Cat dealer for details.
    • Cat® C18
    • Compression 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
      • 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
    • Braking system:
      • Primary and secondary, dry caliper, hydraulic actuated
    • Alternator, 150 Amp
    • Batteries (4), 12V, 1,000 CCA, maintenance free, high output
    • Electrical system, 24V
    • Lighting system:
      • Headlights, LED
      • Turn signals with hazard function, LED floodlights, (2) cutting edge (1) bowl, halogen side vision (2)
    • Starting/charging receptacle
    • Alarm, backup
    • Lighting system:
      • Brake lights, LED
      • Turn signals with hazard function, LED
    • 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
      • Diesel Particulate Filter (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
    • Extended Life Coolant to –37° C (–34° F)
    • Advanced cushion hitch
    • Accumulators (cushion hitch) with Canadian Registration Number (CRN)
    • Fast oil change
    • Fenders, non-metallic
    • Heater, engine coolant 120V
    • Rims (2)
    • Tow hooks, front
    • Vandalism locks
    • Heater, engine coolant 120V
    • Steering locks
    • Bowl:
      • 18.3 m3 (24 yd3), struck
      • 26 m3 (34 yd3), heaped
    • Vandalism locks
    • Rims (2)
    • Hydraulic position sensing cylinders (bowl lift and apron)

    Optional Equipment:

    • Standard and optional equipment may vary. Consult your Cat dealer for details.
    • Secondary Steering Arrangement
    • Sequence Assist Arrangement with Payload Estimator
    • Load Assist
    • Cat Grade Control with Load Assist
    • Advanced Tire Spin Reduction
    • Camera arrangement – Work Area Vision System (WAVS)
    • Cab beacon
    • Air horn
    • Air horn and beacon
    • Fender, scraper
    • Guard, overflow
    • Wiring group
    • Push Pull
    • Film arrangement – U.S. (ANSI)
    • Film arrangement – International (ISO)

    What Our Customers Are Saying About Us

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    Hunter Elliott
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    Rick Kelly-Crapse
    21:06 25 Aug 23
    They had all my parts for my 3208 Cat.
    Friendly folks at parts counter.