631K - Tier 2

Open Bowl Scrapers 631K - Tier 2

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Key Specs

Flywheel Power - Tractor/Scraper
570 HP
425 kW
Scraper Capacity - Heaped
34 yd³
26 m³
Top Speed - Loaded
34.7 mile/h
55.8 km/h

Overview

Delivers results

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.

Benefits

Increased Comfort

Ergonomic controls and a newly redesigned cab interior provide a more comfortable and efficient working environment all day long

Up To 8% More Productivity

Improvements in fuel efficiency and the new APECS transmission controls deliver more productivity in most applications

Additional Safety

New safety features help operators be more productive and work more efficiently all day long

Product Specifications for 631K - Tier 2

Overall Shipping Height 12.75 ft 3.89 m
Maximum Depth of Spread 21.1 in 535 mm
Tires - Tractor 37.25R35**E3 37.25R35**E3
Fuel Tank Refill Capacity - Scraper 231 gal (US) 874 l
Scraper Capacity - Struck 24 yd³ 18.3 m³
Scraper Capacity - Heaped 34 yd³ 26 m³
Top Speed - Loaded 34.7 mile/h 55.8 km/h
Overall Width 12.93 ft 3.94 m
Maximum Depth of Cut 17.7 in 450 mm
Width - Cut 11.5 ft 3.51 m
180° Curb-to-Curb Turning Width 40.12 ft 12.23 m
Rated Load 37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons) 37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
Tires - Scraper 37.25R35**E3 37.25R35**E3
Rated Engine RPM - Tractor 1900 r/min 1900 r/min
Engine Model - Tractor Cat C18 Cat C18
Emissions Cat C18 engine meets U.S. EPA Tier 2/EU Stage II Equivalent emission standards. Cat C18 engine meets U.S. EPA Tier 2/EU Stage II Equivalent emission standards.
Flywheel Power - Tractor 570 HP 425 kW
Flywheel Power - Tractor/Scraper 570 HP 425 kW
Scraper Capacity - Heaped 34 yd³ 26 m³
Top Speed - Loaded 34.7 mile/h 55.8 km/h
Crankcase - Tractor 13.7 gal (US) 52 l
Transmission System 29 gal (US) 110 l
Fuel Tank 231 gal (US) 874 l
Hydraulic System 37.5 gal (US) 142 l
Cooling System 19.8 gal (US) 75 l
Front of Tractor to Front Axle 142.2 in 3612 mm
Axle to Vertical Hitch Pin 20 in 509 mm
Wheel Base 346.8 in 8808 mm
Rear Axle - Rear of Machine 108 in 2744 mm
Ground Clearance - Tractor 26.1 in 664 mm
Width - Outside Rear Tires 143.2 in 3636 mm
Width - Inside of Bowl 134 in 3404 mm
Width - Rear Tire Centers 96.9 in 2462 mm
Height - Scraper Blade Maximum 20 in 510 mm
Height - Top of Cab 147 in 3733 mm
Length - Maximum (Push-Pull) 655.1 in 16640 mm
Height - Overall Shipping 153.2 in 3892 mm
Width - Overall Machine 155 in 3937 mm
Length - Overall Machine - Standard 597 in 15164 mm
Width - Tractor 137.8 in 3499 mm
Operating Weight - Empty 102750 lb 46600 kg
Overall Length 49.34 ft 15.04 m
Overall Length - With Bail Down 54.59 ft 16.64 m
Operating Weight - Empty 106430 lb 48275 kg
Exterior Sound Level The exterior sound power level for the standard machine (ISO 6393) is 111.5 dB(A). The exterior sound power level for the standard machine (ISO 6393) is 111.5 dB(A).
ROPS/FOPS ROPS/FOPS meet “ISO Standards.” ROPS/FOPS meet “ISO Standards.”
Reverse Alarm ISO 9533:2010 ISO 9533:2010
Falling Object Protective Structure (FOPS) ISO 3449:2005 Level II ISO 3449:2005 Level II
Seat Belt SAE J386:FEB2006 SAE J386:FEB2006
Rollover Protection Structure (ROPS) ISO 3471:2008 for up to 21 282 kg (46,919 lb) ISO 3471:2008 for up to 21 282 kg (46,919 lb)
Brakes Brakes ISO 3450:2011 Brakes ISO 3450:2011
Steering System ISO 5010:2007 ISO 5010:2007
Transmission Gear - First 3.4 mile/h 5.5 km/h
Transmission Gear - Fourth 10.5 mile/h 16.9 km/h
Transmission Gear - Sixth 19 mile/h 30.6 km/h
Transmission Gear - Third 7.7 mile/h 12.4 km/h
Transmission Gear - Fifth 14.1 mile/h 22.7 km/h
Transmission Gear - Seventh 25.7 mile/h 41.4 km/h
Transmission Gear - Reverse 6.2 mile/h 9.9 km/h
Transmission Gear - Eighth 34.7 mile/h 55.8 km/h
Transmission Gear - Second 6.2 mile/h 10 km/h
Bowl Raise 3.5 s 3.5 s
Bail Lower 2.1 s 2.1 s
Apron Raise 4 s 4 s
Ejector Extend 8.5 s 8.5 s
Bowl Lower 3.5 s 3.5 s
Bail Raise 1.5 s 1.5 s
Ejector Retract 8.5 s 8.5 s
Apron Lower 3.8 s 3.8 s

631K - Tier 2 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
  • Muffler
  • 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

POWER TRAIN – SCRAPER

  • Braking system:
    • Primary and secondary, wet disc, hydraulic

ELECTRICAL – TRACTOR

  • 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

ELECTRICAL – SCRAPER

  • Alarm, backup
  • Lighting system:
    • Brake lights, LED
    • Turn 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 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
    • Fuel level
    • Park brake
    • Implement lockout
    • Brake system
    • 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

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), struck
    • 26 m3 (34 yd3), heaped
  • Vandalism locks
  • Rims (2)
  • Hydraulic position sensing cylinders (bowl lift and apron)

631K - Tier 2 Optional Equipment

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
  • Year of manufacture plate

SERVICE INSTRUCTIONS

  • Film arrangement – International (ISO)

Compatible Technology and Services

Leverage Caterpillar connected data and security principles to improve efficiencies, increase productivity and make your business more profitable.

  • Cat Load Assist for Wheel Tractor-Scrapers

    Cat® Load Assist for Wheel Tractor-Scrapers automates bowl loading with the push of a button. As the machine approaches the cut, the operator activates Load Assist to automate the cutting-edge height.

  • Cat Sequence Assist for Wheel Tractor-Scrapers

    Cat® Sequence Assist for Wheel Tractor-Scrapers uses integrated software to automate repetitive tasks an operator performs when loading, hauling, and dumping. Reduce operator fatigue and rework caused from working manually.

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Cat® Load Assist for Wheel Tractor-Scrapers automates bowl loading with the push of a button. As the machine approaches the cut, the operator activates Load Assist to automate the cutting-edge height.

Explore Technology

Cat® Sequence Assist for Wheel Tractor-Scrapers uses integrated software to automate repetitive tasks an operator performs when loading, hauling, and dumping. Reduce operator fatigue and rework caused from working manually.

Explore Technology
  • Cat Inspect

    Cat® Inspect allows you to access your equipment data on your mobile device. This easy-to-use app lets you capture inspection data and integrates with your other Cat data systems, so you can keep a close eye on your fleet. More than one million inspections are completed each year, providing convenience and accountability to equipment owners.

  • Cat Product Link

    Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.

  • VisionLink®

    VisionLink® is a cloud-based software application that takes the guesswork out of fleet management with key insights to maximize performance - regardless of fleet size or equipment manufacturer. Receive equipment data seamlessly to your desktop or mobile device, all from a convenient centralized solution to make informed decisions at every turn.

1 - 8 of 9 Items items
Previous Next

Cat® Inspect allows you to access your equipment data on your mobile device. This easy-to-use app lets you capture inspection data and integrates with your other Cat data systems, so you can keep a close eye on your fleet. More than one million inspections are completed each year, providing convenience and accountability to equipment owners.

Explore Technology

Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.

Explore Technology

VisionLink® is a cloud-based software application that takes the guesswork out of fleet management with key insights to maximize performance - regardless of fleet size or equipment manufacturer. Receive equipment data seamlessly to your desktop or mobile device, all from a convenient centralized solution to make informed decisions at every turn.

Explore Technology
  • Cat Grade Control for Wheel Tractor-Scrapers

    Cat® Grade Control for Wheel Tractor-Scrapers is a factory-integrated machine control and guidance system designed to help you move material correctly the first time.

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Cat® Grade Control for Wheel Tractor-Scrapers is a factory-integrated machine control and guidance system designed to help you move material correctly the first time.

Explore Technology
  • Cat Payload Estimator for Scrapers

    Cat® Payload Estimator for Scrapers uses bowl lift cylinder pressure from the end of the cut to calculate payload. Payload Estimator is optimized with Sequence Assist, which helps to increase productivity with less operator effort.

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Cat® Payload Estimator for Scrapers uses bowl lift cylinder pressure from the end of the cut to calculate payload. Payload Estimator is optimized with Sequence Assist, which helps to increase productivity with less operator effort.

Explore Technology
  • VisionLink® Productivity

    VisionLink® Productivity is an easy-to-use cloud-based platform that gathers and summarizes machine telematics and jobsite data from all your equipment. Actionable performance data is transmitted to the web platform for users to access anywhere, anytime via a mobile, tablet, or desktop device - on or off the jobsite.

1 - 8 of 9 Items items
Previous Next

VisionLink® Productivity is an easy-to-use cloud-based platform that gathers and summarizes machine telematics and jobsite data from all your equipment. Actionable performance data is transmitted to the web platform for users to access anywhere, anytime via a mobile, tablet, or desktop device - on or off the jobsite.

Explore Technology

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