631 Wheel Tractor-Scraper

CALCULATE FINANCE
  • Be More Productive
  • Work in Comfort
  • Designed for Safety
  • Easy to Operate
  • Integrated Cat Technologies
  • Execute Efficiency
General
Scraper Capacity - Heaped 26 mu00b3 (34 ydu00b3)
Overall Width 3.94 m (12.93 ft)
Maximum Depth of Cut 450 mm (17.7 in)
180u00b0 Curb-to-Curb Turning Width 12.23 m (40.12 ft)
Maximum Depth of Spread 535 mm (21.1 in)
Scraper Capacity - Struck 18.3 mu00b3 (24 ydu00b3)
Top Speed - Loaded 55.8 km/h (34.7 mile/h)
Width - Cut 3.51 m (11.5 ft)
Fuel Tank Refill Capacity - Scraper 874 l (231 gal (US))
Tires - Scraper 37.25R35**E3
Rated Load 37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
Overall Shipping Height 3.89 m (12.75 ft)
Tires - Tractor 37.25R35**E3
Engine
Flywheel Power - Tractor 425 kW (570 hp)
Rated Engine RPM - Tractor 1900 r/min (1900 r/min)
Emissions Cat C18 engine meets U.S. EPA Tier 2/EU Stage II Equivalent emission standards.
Engine Model - Tractor Cat C18
Tractor Engine
Flywheel Power - Tractor/Scraper 425 kW (570 hp)
Scraper Bowl
Scraper Capacity - Heaped 26 mu00b3 (34 ydu00b3)
Transmission
Top Speed - Loaded 55.8 km/h (34.7 mile/h)
Service Refill Capacities
Fuel Tank 874 l (231 gal (US))
Hydraulic System 142 l (37.5 gal (US))
Cooling System 75 l (19.8 gal (US))
Crankcase - Tractor 52 l (13.7 gal (US))
Transmission System 110 l (29 gal (US))
Dimensions
Front of Tractor to Front Axle 3612 mm (142.2 in)
Axle to Vertical Hitch Pin 509 mm (20 in)
Wheel Base 8808 mm (346.8 in)
Rear Axle - Rear of Machine 2744 mm (108 in)
Width - Inside of Bowl 3404 mm (134 in)
Height - Overall Shipping 3892 mm (153.2 in)
Height - Scraper Blade Maximum 510 mm (20 in)
Width - Rear Tire Centers 2462 mm (96.9 in)
Width - Outside Rear Tires 3636 mm (143.2 in)
Length - Overall Machine - Standard 15164 mm (597 in)
Ground Clearance - Tractor 664 mm (26.1 in)
Height - Top of Cab 3733 mm (147 in)
Length - Maximum (Push-Pull) 16640 mm (655.1 in)
Width - Overall Machine 3937 mm (155 in)
Width - Tractor 3499 mm (137.8 in)
Non Push-Pull
Operating Weight - Empty 46600 kg (102750 lb)
Overall Length 15.04 m (49.34 ft)
Push-Pull
Overall Length - With Bail Down 16.64 m (54.59 ft)
Operating Weight - Empty 48275 kg (106430 lb)
Cab
ROPS/FOPS ROPS/FOPS meet u201cISO Standards.u201d
Exterior Sound Level The exterior sound power level for the standard machine (ISO 6393) is 111.5 dB(A).
Safety Criteria Compliance Standards
Falling Object Protective Structure (FOPS) ISO 3449:2005 Level II
Seat Belt SAE J386:FEB2006
Steering System ISO 5010:2007
Rollover Protection Structure (ROPS) ISO 3471:2008 for up to 21 282 kg (46,919 lb)
Reverse Alarm ISO 9533:2010
Brakes Brakes ISO 3450:2011
Travel Speeds - Runout
Transmission Gear - Seventh 41.4 km/h (25.7 mile/h)
Transmission Gear - Sixth 30.6 km/h (19 mile/h)
Transmission Gear - Reverse 9.9 km/h (6.2 mile/h)
Transmission Gear - First 5.5 km/h (3.4 mile/h)
Transmission Gear - Third 12.4 km/h (7.7 mile/h)
Transmission Gear - Second 10 km/h (6.2 mile/h)
Transmission Gear - Eighth 55.8 km/h (34.7 mile/h)
Transmission Gear - Fifth 22.7 km/h (14.1 mile/h)
Transmission Gear - Fourth 16.9 km/h (10.5 mile/h)
Implement Cycle Times
Ejector Extend 8.5 s (8.5 s)
Bail Raise 1.5 s (1.5 s)
Bowl Raise 3.5 s (3.5 s)
Ejector Retract 8.5 s (8.5 s)
Bail Lower 2.1 s (2.1 s)
Bowl Lower 3.5 s (3.5 s)
Apron Raise 4 s (4 s)
Apron Lower 3.8 s (3.8 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
    • 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)

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)

Related Models

651 Partial Wheel Tractor-Scraper

621 Wheel Tractor-Scraper

657 Coal Bowl Scraper

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