631K Wheel Tractor-Scraper

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Tractor Engine

Flywheel Power - Tractor/Scraper: 570HP

Scraper Bowl

Scraper Capacity - Heaped: 34yd³

Transmission

Top Speed - Loaded: 34.7mile/h

Dimensions

Front of Tractor to Front Axle: 142.2in
Axle to Vertical Hitch Pin: 20in
Wheel Base: 346.8in
Rear Axle - Rear of Machine: 108in
Length - Maximum (Push-Pull): 655.1in
Ground Clearance - Tractor: 26.1in
Height - Overall Shipping: 153.2in
Height - Scraper Blade Maximum: 20in
Height - Top of Cab: 147in
Length - Overall Machine - Standard: 597in
Width - Inside of Bowl: 134in
Width - Outside Rear Tires: 143.2in
Width - Overall Machine: 155in
Width - Rear Tire Centers: 96.9in
Width - Tractor: 137.8in

Engine

Engine Model - Tractor: Cat C18
Rated Engine RPM - Tractor: 1900r/min
Emissions: Cat C18 engine meets U.S. EPA Tier 4 Final/EU Stage IV emission standards.
Flywheel Power - Tractor: 570HP

Push-Pull

Operating Weight - Empty: 106430lb
Overall Length - With Bail Down: 54.59ft

Non Push-Pull

Operating Weight - Empty: 102750lb
Overall Length: 49.34ft

General

180° Curb-to-Curb Turning Width: 40.12ft
Fuel Tank Refill Capacity - Scraper: 231gal (US)
Maximum Depth of Cut: 17.7in
Maximum Depth of Spread: 21.1in
Overall Shipping Height: 12.75ft
Overall Width: 12.93ft
Rated Load: 37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
Scraper Capacity - Heaped: 34yd³
Scraper Capacity - Struck: 24yd³
Tires - Scraper: 37.25R35**E3
Tires - Tractor: 37.25R35**E3
Top Speed - Loaded: 34.7mile/h
Width - Cut: 11.5ft

Service Refill Capacities

Cooling System: 19.8gal (US)
Crankcase - Tractor: 13.7gal (US)
Diesel Exhaust Fluid (DEF): 8gal (US)
Fuel Tank: 231gal (US)
Hydraulic System: 37.5gal (US)
Transmission System: 29gal (US)

Cab

Exterior Sound Level: The exterior sound power level for the standard machine (ISO 6393) is 111.5 dB(A).
ROPS/FOPS: ROPS/FOPS meet “ISO Standards.”

Safety Criteria Compliance Standards

Brakes: ISO 3450:2011
Falling Object Protective Structure (FOPS): ISO 3449:2005 Level II
Reverse Alarm: ISO 9533:2010
Rollover Protection Structure (ROPS): ISO 3471:2008 for up to 21 282 kg (46,919 lb)
Seat Belt: SAE J386:FEB2006
Steering System: ISO 5010:2007

Travel Speeds - Runout

Transmission Gear - Eighth: 34.7mile/h
Transmission Gear - Fifth: 14.1mile/h
Transmission Gear - First: 3.4mile/h
Transmission Gear - Fourth: 10.5mile/h
Transmission Gear - Reverse: 6.2mile/h
Transmission Gear - Second: 6.2mile/h
Transmission Gear - Seventh: 25.7mile/h
Transmission Gear - Sixth: 19mile/h
Transmission Gear - Third: 7.7mile/h

Implement Cycle Times

Apron Lower: 3.8s
Apron Raise: 4s
Bail Lower: 2.1s
Bail Raise: 1.5s
Bowl Lower: 3.5s
Bowl Raise: 3.5s
Ejector Extend: 8.5s
Ejector Retract: 8.5s

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, 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, 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, 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
  - 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
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
Service Instructions
- Film arrangement – U.S. (ANSI)
- Film arrangement – International (ISO)