New | 631K Wheel Tractor-Scraper

631K Wheel Tractor-Scraper

Tires - Scraper37.25R35**E3
Rated Load37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
Scraper Capacity - Struck24 yd³
Tires - Tractor37.25R35**E3
Maximum Depth of Cut17.7 in
Width - Cut11.5 ft
Scraper Capacity - Heaped34 yd³
Overall Width12.93 ft
Top Speed - Loaded34.7 mile/h
Fuel Tank Refill Capacity - Scraper231 gal (US)
Overall Shipping Height12.75 ft
180° Curb-to-Curb Turning Width40.12 ft
Maximum Depth of Spread21.1 in
Flywheel Power - Tractor570 HP
Rated Engine RPM - Tractor1900 r/min
Engine Model - TractorCat C18 ACERT™
EmissionsCat C18 ACERT engine meets U.S. EPA Tier 4 Final/EU Stage IV emission standards.
Tractor Engine
Flywheel Power - Tractor/Scraper570 HP
Scraper Bowl
Scraper Capacity - Heaped34 yd³
Top Speed - Loaded34.7 mile/h
Service Refill Capacities
Fuel Tank231 gal (US)
Hydraulic System37.5 gal (US)
Diesel Exhaust Fluid (DEF)8 gal (US)
Cooling System19.8 gal (US)
Crankcase - Tractor13.7 gal (US)
Transmission System29 gal (US)
Front of Tractor to Front Axle142.2 in
Axle to Vertical Hitch Pin20 in
Wheel Base346.8 in
Rear Axle - Rear of Machine108 in
Height - Scraper Blade Maximum20 in
Ground Clearance - Tractor26.1 in
Length - Overall Machine - Standard597 in
Length - Maximum (Push-Pull)655.1 in
Width - Tractor137.8 in
Height - Top of Cab147 in
Width - Rear Tire Centers96.9 in
Width - Overall Machine155 in
Width - Outside Rear Tires143.2 in
Width - Inside of Bowl134 in
Height - Overall Shipping153.2 in
Non Push-Pull
Overall Length49.34 ft
Operating Weight - Empty102750 lb
Overall Length - With Bail Down54.59 ft
Operating Weight - Empty106430 lb
ROPS/FOPSROPS/FOPS meet “ISO Standards.”
Exterior Sound LevelThe exterior sound power level for the standard machine (ISO 6393) is 111.5 dB(A).
Safety Criteria Compliance Standards
Steering SystemISO 5010:2007
Reverse AlarmISO 9533:2010
Seat BeltSAE J386:FEB2006
Falling Object Protective Structure (FOPS)ISO 3449:2005 Level II
BrakesISO 3450:2011
Rollover Protection Structure (ROPS)ISO 3471:2008 for up to 21 282 kg (46,919 lb)
Travel Speeds - Runout
Transmission Gear - Sixth19 mile/h
Transmission Gear - Seventh25.7 mile/h
Transmission Gear - Reverse6.2 mile/h
Transmission Gear - Fourth10.5 mile/h
Transmission Gear - Eighth34.7 mile/h
Transmission Gear - First3.4 mile/h
Transmission Gear - Fifth14.1 mile/h
Transmission Gear - Third7.7 mile/h
Transmission Gear - Second6.2 mile/h
Implement Cycle Times
Bowl Lower3.5 s
Bowl Raise3.5 s
Bail Raise1.5 s
Ejector Retract8.5 s
Bail Lower2.1 s
Apron Lower3.8 s
Ejector Extend8.5 s
Apron Raise4 s

The Fuel, Water And Engine Oil Are Relocated At Ground Level On The Right Hand Side Of The Machine For Easy Access.

Have Been Changed From An Air Actuated Drum Shoe Brake To A Hydraulic Actuated Tractor Wet Disc Brake And A Scraper Dry Caliper.

This Feature Will Allow The Machine To Control The Slip Of The Tractor Tires Only.

In The Event Of An Engine Over Speed Situation, The Compression Brake Or Brakes Will Automatically Engage With No Operator Input. The Machine Determines The Over Speed Condition Based On Rate Of Acceleration And Applies Compression Brakes Automatically.

With Similar Technology As The Cat® Advanced Ride Management Seat Suspension, This Software Allows The Cushion Hitch To Prevent End Stroke By Having The Ability To Predict End Stroke Events And Manage The Rate Of Dampening. Resulting In Reduced Hitch Maintenance And Improved Operator Ride In Rough Conditions.

K Series Steering System Design Requires Significantly Less Steering Effort. The Reduced Steering Effort Will Allow For Decreased Operator Fatigue And A More Efficient Operator Resulting In Possible Higher Rates Of Production Late In The Work Cycle.

This Standard Feature Allows The Machine To Prevent The Operator From Engaging The Differential Lock When Damage Could Occur.

The K Series Cab Interior Improves Operator Comfort And Visibility. The Overall Interior Is 21% Larger Than The G Series Cab.

This Feature Is Designed To Take The Place Of Top Gear Selection. If The Machine Top Speed Needs To Be Limited The Operator Can Select The Top Speed Through The Display Or The Top Speed Can Be Set In Et. This Will Allow The Machine To Find The Correct Gear That Works Best For The Engine And Transmission. Allowing The Engine And Transmission To Select The Correct Gear To Pull The Load In Most Cases Resulting In A Lower Engine Load Factor And Lower Fuel Burn Verses Using Top Gear Selection That Required The Machine To Run At Engine Speeds At Or Close To High Idle.

Ground Speed Control Sets The Desired Top Speed By The Operator If Job Site Conditions Or Segment Speed Limits Require A Speed Less Than Full Run Out. Machine Speed Limit Is Intended For Use When Top Speed Needs To Be Limited For Longer Durations And Ground Speed Control Is Intended For Use When The Top Speed Needs To Be Reduced For Shorter Segments Or Intermediate Periods Of Time. The Operator Can Set The Desired Top Speed And The Machine Will Find The Correct Gear That Works Best For The Engine And Transmission.

This Option Uses Cylinder Position Sensors To Automate Bowl, Apron And Further Implement Controls Throughout The Four Core Work Cycles: Dig, Haul, Unload And Return. When Utilized This Can Reduce Up To 14 Individual Operator Commands Per Cycle. Sequence Assist Simplifies Control Over The Implements, Reduces Joystick Usage, Automatically Controls Cushion Hitch, Transmission Hold And Ejector.

The Payload Estimator Will Calculate The Payload Of The Machine In Tonnes Or Tons By Measuring The Bowl Lift Cylinder Pressures At The Beginning Of The Loaded Haul Segment. This Feature Works Best When Using Sequence Assist. Using Payload Estimator During Testing Has Achieved Better Than 95% Accuracy When Compared To Actual Scale Weights. The Payload Estimator Feature Comes Automatically When A Machine Is Ordered With Sequence Assist.

Is Designed To Help Shorten The Learning Curve Of Inexperienced Operators To Ensure Consistency And Faster Loading Of Material While Reducing Effort Of The Operator. Based On The Speed Of The Machine, Load Assist Automatically Adjusts The Cutting Edge Height To Manage Wheel Slip And To Ensure Consistent And Efficient Loading In Bulk Earthmoving Applications.

Intelligently Ensures The Machine Does Not Cut Below Grade In The Cut Area Or Over Fill In The Fill Area – Avoiding Rework And Moving Unnecessary Material.

Standard Equipment

  • Cat C18 engine with MEUI™
  • 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

  • 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)



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