631 Wheel Tractor-Scraper Request Quote Download a Product Brochure Exterior View Interior View Please contact your nearest store for rates and other details. Specifications Equipment Attachments Product Specs Tractor Engine Flywheel Power - Tractor/Scraper 570 hp Scraper Bowl Scraper Capacity - Heaped 34 yd³ Transmission Top Speed - Loaded 34.7 mile/h Engine Emissions Cat® C18 engine meets U.S. EPA Tier 4 Final/EU Stage IV emission standards. Engine Model - Tractor Cat® C18 Rated Engine RPM - Tractor 1900 r/min Flywheel Power - Tractor 570 hp Travel Speeds - Runout Transmission Gear - First 3.4 mile/h Transmission Gear - Second 6.2 mile/h Transmission Gear - Third 7.7 mile/h Transmission Gear - Fourth 10.5 mile/h Transmission Gear - Fifth 14.1 mile/h Transmission Gear - Sixth 19 mile/h Transmission Gear - Seventh 25.7 mile/h Transmission Gear - Eighth 34.7 mile/h Transmission Gear - Reverse 6.2 mile/h General Overall Width 12.11 ft Overall Shipping Height 12.9 ft Scraper Capacity - Struck 24 yd³ Scraper Capacity - Heaped 34 yd³ Rated Load 37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons) Width - Cut 17.7 ft Maximum Depth of Cut 12.4 in Maximum Depth of Spread 21.1 in Top Speed - Loaded 34.7 mile/h 180° Curb-to-Curb Turning Width 40.12 ft Tires - Scraper 37.25R35**E3 Tires - Tractor 37.25R35**E3 Fuel Tank Refill Capacity - Scraper 231 gal (US) Service Refill Capacities Real Wheels (Each) 2.37 gal (US) Crankcase - Tractor 13.7 gal (US) Transmission System 29 gal (US) Cooling System 18.75 gal (US) Fuel Tank 231 gal (US) Hydraulic System 37.5 gal (US) Diesel Exhaust Fluid (DEF) 8 gal (US) Service Refill Capacities - Tractor Windshield Washer Reservoir 1.3 gal (US) Differential 40.41 gal (US) Service Refill Capacities - Scraper Final Drive - Each 8.71 gal (US) Dimensions Width - Overall Machine 155 in Width - Overall Machine - Ladder Down 159.3 in Width - Tractor 144.2 in Width - Rear Tire Centers 96.9 in Width - Inside of Bowl 134 in Width - Outside Bowl - Shipping Width 143.1 in Height - Overall Shipping 153.2 in Height - Top of Cab 149.8 in Front of Tractor to Front Axle 142 in Ground Clearance - Tractor 26.1 in Axle to Vertical Hitch Pin 20 in Height - Scraper Blade Maximum 20 in Wheel Base 346.8 in Length - Overall Machine - Standard 596.8 in Length - Maximum (Push-Pull) 655.2 in Rear Axle - Rear of Machine 108 in Width - Outside Rear Tires 143.2 in Non Push-Pull Overall Length 49.34 ft Operating Weight - Empty 102750 lb Push-Pull Operating Weight - Empty 106430 lb Overall Length - With Bail Down 54.59 ft Cab 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.” Safety Criteria Compliance Standards Steering System ISO 5010:2007 Falling Object Protective Structure (FOPS) ISO 3449:2005 Level II Rollover Protection Structure (ROPS) ISO 3471:2008 for up to 21 282 kg (46,919 lb) Seat Belt SAE J386:FEB2006 Reverse Alarm ISO 9533:2010 Brakes ISO 3450:2011 Implement Cycle Times Bowl Raise 3.5 s Bowl Lower 3.5 s Apron Raise 4 s Apron Lower 3.8 s Ejector Extend 8.5 s Ejector Retract 8.5 s Bail Raise 1.5 s Bail Lower 2.1 s Standard Equipment Note Standard and optional equipment may vary. Consult your Cat dealer for details. Power Train – Tractor 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, hydraulicParking, hydraulic-released, spring-appliedThrottle lock Transmission:8-speed planetary power shiftECPC controlAPECS softwareProgrammable top gear selectionTransmission holdDifferential lockGuard, power trainStandard tire spin reductionGround speed controlMachine speed limitDifferential lock protection Power Train – Scraper Braking system:Primary and secondary, dry caliper, hydraulic actuated Electrical – Tractor Alternator, 150 Amp Batteries (4), 12V, 1,000 CCA, maintenance free, high output Electrical system, 24V Lighting system:Headlights, LEDTurn signals with hazard function, LED floodlights, (2) cutting edge (1) bowl, halogen side vision (2) Starting/charging receptacle Electrical – Scraper Alarm, backup Lighting system:Brake lights, LEDTurn signals with hazard function, LED Operator Environment – Tractor 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 lockWipers/washersHazard lightsRetarding level selectWork lights on, offInformation 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 temperatureEngine oil temperatureHydraulic oil temperatureDiesel Particulate Filter (DPF) temperatureFuel levelPark brakeImplement lockoutBrake systemRegeneration requiredThrottle lockSystem voltageSecondary steeringBail downEjector autoDifferential lockApron floatTransmission holdCushion hitchHigh beam lightsAction lampEngine speed, rpmGear selectionDEF fill levels Fluids Extended Life Coolant to –37° C (–34° F) Other Standard Equipment – Tractor 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 Other Standard Equipment – Scraper Bowl:18.3 m3 (24 yd3), struck26 m3 (34 yd3), heaped Vandalism locks Rims (2) Hydraulic position sensing cylinders (bowl lift and apron) Attachments Note Standard and optional equipment may vary. Consult your Cat dealer for details. Steering Arrangements Secondary Steering Arrangement Integrated Technologies Sequence Assist Arrangement with Payload Estimator Load Assist Cat Grade Control with Load Assist Advanced Tire Spin Reduction Other Attachments Camera arrangement – Work Area Vision System (WAVS) Cab beacon Air horn Air horn and beacon Fender, scraper Guard, overflow Wiring group Push Pull Service Instructions Film arrangement – U.S. (ANSI) Film arrangement – International (ISO)