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CAT<sup>®</sup> 631K (tier 2)

Wheel tractor scrapers 631K (tier 2)

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Key Information

Flywheel Power: Tractor/Scraper

425 kW

Scraper capacity - struck

26 m³

Maximum speed, loaded

55.8 km/h

Overview

631K Self-Propelled Stripper

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Monday to Friday 8am-4:30pm (CAT)

Product Specifications for 631K (tier 2)

  • NORMAL
    • Overall Shipping Height3.89 m
    • Maximum Spreading Depth535 mm
    • Fuel Tank Capacity: Scraper874 l
    • Scraper Capacity: Heaped18.3 m³
    • Scraper Capacity: Struck26 m³
    • Max Speed, Loaded55.8 km/h
    • Overall Width3.94 m
    • Maximum Cut Depth450 mm
    • Cut Width3.51 m
    • Turning Diameter, Edge to Edge, 180°12.23 m
    • Rated Load37,200 kg (82,200 lb) ; 37.2 tonnes (41.1 US tons)
    • Scraper Tires37.25R35**E3
  • GENERAL
    • Tractor Tires37.25R35**E3
  • ENGINE
    • Rated Speed (rpm): Tractor1900 rpm
    • Engine Model: TractorC18 ACERT Cat
    • EmissionsThe C18 ACERT Cat Engine complies with emissions standards equivalent to U.S. EPA Tier 2 for the United States and Stage II for the European Union.
    • Flywheel Power - Tractor425 kW
  • TRACTOR ENGINE
    • Flywheel Power: Tractor/Scraper425 kW
  • SCRAPER BOWL
    • Scraper Bowl Capacity - Struck26 m³
  • TRANSMISSION
    • Max Speed, Loaded55.8 km/h
  • CAPACITIES
    • Crankcase: Tractor52 l
  • MAINTENANCE CAPACITIES
    • Transmission Circuit110 l
    • Hydraulic Circuit142 l
    • Cooling Circuit75 l
  • SERVICE REFILL CAPACITIES
    • Fuel Tank874 l
  • DIMENSIONS
    • From Front of Tractor to Front Axle3612 mm
    • From Axle to Vertical Articulation Pivot509 mm
    • Wheelbase8808 mm
    • Rear Axle: Rear of Machine2744 mm
    • Ground Clearance - Tractor664 mm
    • Width Outside Rear Tires3636 mm
    • Width - Inside Bowl3404 mm
    • Width of Rear Tire Centers2462 mm
    • Maximum Scraper Blade Height510 mm
    • Cab Height3733 mm
    • Maximum Length (Scraper-Ejector)16640 mm
    • Overall Shipping Height3892 mm
    • Overall Machine Width3937 mm
    • Overall Machine Length: Standard15164 mm
    • Tractor Width3499 mm
  • WITHOUT PUSH-PULL
    • Operating Weight: Empty46600 kg
    • Overall Length15.04 m
  • PUSH-PULL
    • Overall Length: Push-Pull Down Ejector16.64 m
    • Operating Weight: Empty48275 kg
  • CAB
    • Outside Cab Acoustic Pressure LevelThe standard machine sound power level (ISO 6393) is 111.5 dB(A).
    • ROPS/FOPS FrameROPS (Rollover Protective Structure) / FOPS (Falling Objects Protection Structure) frames conform to "ISO standards."
  • SAFETY STANDARD COMPLIANCE CRITERIA
    • Backup AlarmISO 9533:2010
    • Falling Object Protective StructureISO 3449:2005 Level II
    • Seat BeltSAE J386:FEB2006
    • Rollover Protective Structure (ROPS)ISO 3471:2008 up to 21,282 kg (46,919 lb)
    • BrakesISO 3450:2011
    • Steering CircuitISO 5010:2007
  • TRAVEL SPEEDS: SAE J1349
    • Transmission Ratio: 1st5.5 km/h
    • Transmission Ratio: 4th16.9 km/h
    • Transmission Ratio: 6th30.6 km/h
    • Transmission Ratio: 3rd12.4 km/h
    • Transmission Ratio: 5th22.7 km/h
    • Transmission Ratio: 7th41.4 km/h
    • Transmission Ratio: Reverse9.9 km/h
    • Transmission Ratio: 8th55.8 km/h
    • Transmission Ratio: 2nd10 km/h
  • EQUIPMENT CYCLE TIMES
    • Bowl Raise3.5 s
    • Apron Lower2.1 s
    • Apron Raise4 s
    • Ejector Extend8.5 s
    • Bowl Lower3.5 s
    • Apron Raise1.5 s
    • Ejector Retract8.5 s
    • Apron Lower3.8 s

Standard Equipment for 631K (tier 2)

  • POWERTRAIN - TRACTOR
    • C18 ACERT Cat Engine with MEUI
    • Compression Brake
    • Electric Starter, 24V
    • Dry-Type Air Filter with Prefilter
    • Hydraulic Fan
    • Ground-Level Engine Shutdown
    • Radiator, Aluminum Cooling Core, 9 Fins per Inch
    • Underhood Protection
    • Muffler
    • Ether Starting Aid
    • Brake System:
    • Primary and Secondary, Wet Disc, Hydraulic
    • Parking Brake, Spring-Engaged, Hydraulic Release
    • Throttle Lock
    • Transmission:
    • 8-Speed Planetary Powershift Transmission
    • ECPC (Electronic Clutch Pressure Control)
    • APECS (Advanced Productivity Electronics Control Strategy)
    • Programmable Top Gear Selection
    • Ratio Hold
    • Differential Lock
    • Powertrain Protection
    • Standard Tire Slip Reduction
    • Ground Speed Control
    • Machine Speed Limit
    • Differential Lock Protection
  • POWERTRAIN - SCRAPER
    • Brake System:
    • Primary and Secondary, Wet Disc, Hydraulic
  • ELECTRICAL SYSTEM - TRACTOR
    • 150A Alternator
    • Batteries (4), 12V, 1,000 CCA (Cold Cranking Amps), Maintenance-Free, High Output
    • 24V Electrical System
    • Lighting System:
    • LED Headlights
    • Turn Signals with Hazard Function, LED Work Lights (2), Blade (1), Bowl, Halogen Side Vision Lights (2)
    • Charging/Starting Receptacle
  • ELECTRICAL CIRCUIT - SCRAPER
    • Reverse Warning
    • Lighting System:
    • LED Brake Lights
    • LED Turn Signals with Hazard Function
  • DRIVER'S COMPARTMENT - TRACTOR
    • Heating/Ventilation/Air Conditioning, Defrost
    • Heating/Ventilation/Air Conditioning Thermostat Control
    • Clothes Hook
    • Lunch Box Platform with Fastening Strap
    • Diagnostic Connection (2)
    • 12V Power Outlet (2)
    • Differential Lock (1)
    • Overhead Light
    • Electric Horn
    • T-Shaped Equipment Control Handle
    • Side Mirror
    • Radio Readiness
    • Pressurized ROPS/FOPS Cab
    • Keypad Switches:
    • Throttle Lock
    • Windshield Wipers/Washers
    • Hazard Lights
    • Idle Set
    • Headlight On/Off
    • Messenger Display Information Mode
    • Security Notched Rocker Switches
    • Two-Part Static Seat Belt
    • Advanced Ride Management (ARM), Comfort Cat Series 3, 30° Pivot Angle
    • Tilt, Telescoping, Padded Steering Wheel
    • Windows, Emergency Exit on Right Side
    • Sliding Windows
    • Laminated Windows with Slides
    • Front and Rear Windshield Wipers with Washers
    • Door Lock
    • Messenger Display
    • Indicators and Warnings include:
    • Coolant Temperature
    • Engine Oil Temperature
    • Hydraulic Oil Temperature
    • Fuel Level
    • Parking Brake
    • Equipment Lockout
    • Brake Circuit
    • Throttle Lock
    • Circuit Voltage
    • Auxiliary Steering
    • Lowered Caliper
    • Auto Ejector
    • Differential Lock
    • Free Fork Position
    • Hold Ratio
    • Hitch Damper
    • High Beams
    • Main Indicator
    • Engine Speed, rpm
    • Gear Selection
  • FLUIDS
    • Long-Life Coolant up to -37°C (-34°F)
  • OTHER STANDARD EQUIPMENT - TRACTOR
    • Advanced Hitch Damper
    • Accumulators (hitch damper) with Canadian Registration Number (CRN)
    • Quick Oil Change
    • Non-Metallic Mudguards
    • Engine Coolant Heater (120V)
    • Wheels (2)
    • Front Towing Hooks
    • Anti-Vandalism Locks
    • Engine Coolant Heater (120V)
    • Steering Locks
  • OTHER STANDARD EQUIPMENT - SCRAPER
    • Scraper Bowl:
    • Heaped Capacity: 18.3 m3 (24 yd3)
    • Struck Capacity: 26 m3 (34 yd3)
    • Anti-Vandalism Locks
    • Wheels (2)
    • Position-Sensing Hydraulic Cylinders (Bowl Lift and Apron)

Available Options for 631K (tier 2)

  • STEERING VERSIONS
    • Auxiliary Steering Version
  • INTEGRATED TECHNOLOGIES
    • Sequential Aid Version with Payload Calculator
    • Loading Assistance
    • Cat Leveling Control with Loading Assistance
    • Enhanced Tire Slip Reduction
  • OTHER EQUIPMENT
    • Camera Version: Work Area Vision System (WAVS)
    • Cabin Beacon Light
    • Pneumatic Horn
    • Pneumatic Horn and Beacon Light
    • Mudguards, Scraper
    • Overflow Protection
    • Wiring Kit
    • Mutual Assistance
    • Manufacturing Year Plate
  • MAINTENANCE INSTRUCTIONS
    • Film Version: International (ISO)

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