New CAT Equipment

631K Wheel Tractor-Scraper

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.

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    Product Specs

    General

    Tires - Scraper 37.25R35**E3
    Rated Load 37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
    Scraper Capacity - Struck 24 yd³
    Tires - Tractor 37.25R35**E3
    Maximum Depth of Cut 17.7 in
    Width - Cut 11.5 ft
    Scraper Capacity - Heaped 34 yd³
    Overall Width 12.93 ft
    Top Speed - Loaded 34.7 mile/h
    Fuel Tank Refill Capacity - Scraper 231 gal (US)
    Overall Shipping Height 12.75 ft
    180° Curb-to-Curb Turning Width 40.12 ft
    Maximum Depth of Spread 21.1 in

    Engine

    Flywheel Power - Tractor 570 HP
    Rated Engine RPM - Tractor 1900 r/min
    Engine Model - Tractor Cat C18
    Emissions Cat C18 engine meets U.S. EPA Tier 4 Final/EU Stage IV emission standards.

    Tractor Engine

    Flywheel Power - Tractor/Scraper 570 HP

    Scraper Bowl

    Scraper Capacity - Heaped 34 yd³

    Transmission

    Top Speed - Loaded 34.7 mile/h

    Service Refill Capacities

    Fuel Tank 231 gal (US)
    Hydraulic System 37.5 gal (US)
    Diesel Exhaust Fluid (DEF) 8 gal (US)
    Cooling System 19.8 gal (US)
    Crankcase - Tractor 13.7 gal (US)
    Transmission System 29 gal (US)

    Dimensions

    Front of Tractor to Front Axle 142.2 in
    Axle to Vertical Hitch Pin 20 in
    Wheel Base 346.8 ft
    Rear Axle - Rear of Machine 108 in
    Height - Scraper Blade Maximum 20 in
    Ground Clearance - Tractor 26.1 in
    Length - Overall Machine - Standard 597 in
    Length - Maximum (Push-Pull) 655.1 in
    Width - Tractor 137.8 in
    Height - Top of Cab 147 in
    Width - Rear Tire Centers 96.9 in
    Width - Overall Machine 155 in
    Width - Outside Rear Tires 143.2 in
    Width - Inside of Bowl 134 in
    Height - Overall Shipping 153.2 in

    Non Push-Pull

    Overall Length 49.34 ft
    Operating Weight - Empty 102750 lb

    Push-Pull

    Overall Length - With Bail Down 54.59 ft
    Operating Weight - Empty 106430 lb

    Cab

    ROPS/FOPS ROPS/FOPS meet “ISO Standards.”
    Exterior Sound Level The exterior sound power level for the standard machine (ISO 6393) is 111.5 dB(A).

    Safety Criteria Compliance Standards

    Steering System ISO 5010:2007
    Reverse Alarm ISO 9533:2010
    Seat Belt SAE J386:FEB2006
    Falling Object Protective Structure (FOPS) ISO 3449:2005 Level II
    Brakes ISO 3450:2011
    Rollover Protection Structure (ROPS) ISO 3471:2008 for up to 21 282 kg (46,919 lb)

    Travel Speeds - Runout

    Transmission Gear - Sixth 19 mile/h
    Transmission Gear - Seventh 25.7 mile/h
    Transmission Gear - Reverse 6.2 mile/h
    Transmission Gear - Fourth 10.5 mile/h
    Transmission Gear - Eighth 34.7 mile/h
    Transmission Gear - First 3.4 mile/h
    Transmission Gear - Fifth 14.1 mile/h
    Transmission Gear - Third 7.7 mile/h
    Transmission Gear - Second 6.2 mile/h

    Implement Cycle Times

    Bowl Lower 3.5 s
    Bowl Raise 3.5 s
    Bail Raise 1.5 s
    Ejector Retract 8.5 s
    Bail Lower 2.1 s
    Apron Lower 3.8 s
    Ejector Extend 8.5 s
    Apron Raise 4 s