631 Wheel Tractor-Scraper

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Description

Technical Specifications

Benefits and Features

Equipment

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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.

Tractor Engine
Flywheel Power - Tractor/Scraper	570 hp
Scraper Bowl
Scraper Capacity - Heaped	34 yd³
Transmission
Top Speed - Loaded	34.7 mile/h
Travel Speeds - Runout
Transmission Gear - First	3.4 mile/h
Transmission Gear - Second	6.2 mile/h
Transmission Gear - Third	7.7 mile/h
Transmission Gear - Fourth	10.5 mile/h
Transmission Gear - Fifth	14.1 mile/h
Transmission Gear - Sixth	19 mile/h
Transmission Gear - Seventh	25.7 mile/h
Transmission Gear - Eighth	34.7 mile/h
Transmission Gear - Reverse	6.2 mile/h
Engine
Emissions	Cat® C18 engine meets U.S. EPA Tier 4 Final/EU Stage IV emission standards.
Engine Model - Tractor	Cat® C18
Rated Engine RPM - Tractor	1900 r/min
Flywheel Power - Tractor	570 hp
General
Overall Width	12.11 ft
Overall Shipping Height	12.9 ft
Scraper Capacity - Struck	24 yd³
Scraper Capacity - Heaped	34 yd³
Rated Load	37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
Width - Cut	17.7 ft
Maximum Depth of Cut	12.4 in
Maximum Depth of Spread	21.1 in
Top Speed - Loaded	34.7 mile/h
180° Curb-to-Curb Turning Width	40.12 ft
Tires - Scraper	37.25R35**E3
Tires - Tractor	37.25R35**E3
Fuel Tank Refill Capacity - Scraper	231 gal (US)
Service Refill Capacities
Real Wheels (Each)	2.37 gal (US)
Crankcase - Tractor	13.7 gal (US)
Transmission System	29 gal (US)
Cooling System	18.75 gal (US)
Fuel Tank	231 gal (US)
Hydraulic System	37.5 gal (US)
Diesel Exhaust Fluid (DEF)	8 gal (US)
Service Refill Capacities - Tractor
Windshield Washer Reservoir	1.3 gal (US)
Differential	40.41 gal (US)
Service Refill Capacities - Scraper
Final Drive - Each	8.71 gal (US)
Dimensions
Width - Overall Machine	155 in
Width - Overall Machine - Ladder Down	159.3 in
Width - Tractor	144.2 in
Width - Rear Tire Centers	96.9 in
Width - Inside of Bowl	134 in
Width - Outside Bowl - Shipping Width	143.1 in
Height - Overall Shipping	153.2 in
Height - Top of Cab	149.8 in
Front of Tractor to Front Axle	142 in
Ground Clearance - Tractor	26.1 in
Axle to Vertical Hitch Pin	20 in
Height - Scraper Blade Maximum	20 in
Wheel Base	346.8 in
Length - Overall Machine - Standard	596.8 in
Length - Maximum (Push-Pull)	655.2 in
Rear Axle - Rear of Machine	108 in
Width - Outside Rear Tires	143.2 in
Push-Pull
Operating Weight - Empty	106430 lb
Overall Length - With Bail Down	54.59 ft
Non Push-Pull
Overall Length	49.34 ft
Operating Weight - Empty	102750 lb
Cab
Exterior Sound Level	The exterior sound power level for the standard machine (ISO 6393) is 116 dB(A).
ROPS/FOPS	ROPS/FOPS meet “ISO Standards.”
Safety Criteria Compliance Standards
Steering System	ISO 5010:2007
Falling Object Protective Structure (FOPS)	ISO 3449:2005 Level II
Rollover Protection Structure (ROPS)	ISO 3471:2008 for up to 21 282 kg (46,919 lb)
Seat Belt	SAE J386:FEB2006
Reverse Alarm	ISO 9533:2010
Brakes	ISO 3450:2011
Implement Cycle Times
Bowl Raise	3.5 s
Bowl Lower	3.5 s
Apron Raise	4 s
Apron Lower	3.8 s
Ejector Extend	8.5 s
Ejector Retract	8.5 s
Bail Raise	1.5 s
Bail Lower	2.1 s

Be More Productive

The Advanced Productivity Electronic Control System (APECS) allows
    the engine and transmission to communicate on a high level. This
    communication allows the machine to utilize better the power
    and torque the engine is producing. The net result is moving more
    material.

Use Ground Speed Control to set the desired top speed and the machine will find the gear that works best for the engine and the
transmission, providing a lower fuel burn.

The machine speed limit feature allows the machine to maintain a
set top speed instead of relying on top gear selector.

Auto-Stall assists in quickly bringing the transmission to an
operating temperature at start-up when the machine is working in a cold climate region.

Cat® Payload for scrapers is an earthmoving solution for optimal payload and jobsite efficiency. Cat Payload achieves on-the-go weighing by using bowl lift cylinder pressure during the loaded haul segment. Cat Payload is optimized to be used with Sequence Assist, which provides increased productivity with less operator
effort.

Enhance productivity through the usage of Cat Payload with
Sequence Assist.

Work in Comfort

Work in comfort

Reduce up to 14 individual operator commands per cycle with Sequence Assist.

Steer with less effort using the newly designed high-pressure steering system.

Enjoy interior improvements and a more ergonomic work
environment with a 21% larger cab than the G Series cab.

Intuitive, ergonomic controls keep operators focused on their work.

Maintain desired cab temperature with automatic temperature control.

Designed for Safety

Enhance an operator’s awareness of site surroundings with the work area vision system (WAVS).

Get in and out of the cab easier with the new powered access ladder system (optional attachment).

Seat belt indicator provides visual and audible alerts when the seatbelt is not in use.

Advanced Cushion Hitch allows the cushion hitch to prevent endstroke by predicting endstroke events and managing the rate of dampening, resulting in reduced hitch maintenance and improved operator ride in rough conditions.

The fuel fill, fuel filter, engine oil filter, engine oil change, and water drain are easily accessible at ground level.

Easy to Operate

The spacious cab features easy, intuitive controls and excellent visibility
. The cab provides a comfortable working environment for all-day
operation.

Cat advanced ride management (ARM) seat suspension reduces end
stroke movement of the load cylinder for a smoother ride.

Engine overspeed protection will automatically engage with no operator
input when the machine is in eighth gear. The machine will assist in slowing the machine speed by canceling the throttle command and engaging the engine compression brake.

Integrated Cat Technologies

Monitor, manage, and enhance jobsite operations.

Hit the target grade faster and more accurately with Cat Grade technologies. Finish jobs in fewer passes and with less operator effort, saving you time and helping to increase profit.

Product Link™ collects machine data that can be viewed online through web and mobile applications (optional attachment).

Access information anytime, anywhere with VisionLink® – use it to make informed decisions that boost productivity, lower costs, simplify maintenance, and improve safety and security on your
jobsite.

Shorten the learning curve for inexperienced operators with
Sequence Assist and Load Assist (included with Cat Grade
attachment).

Execute Efficiency

The new tractor hydraulic on -demand fan helps assist in lower fuel consumption.

Using draft-arm overflow guards diverts material away from the bowl, preventing material from getting caught between the draft arms and the bowl sides.

Cat Grade (optional attachment) intelligently ensures the machine does not cut below grade in a cut area or overfill in the fill area.

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)

Be More Productive

Work in Comfort

Work in comfort

Designed for Safety

Easy to Operate

Integrated Cat Technologies

Execute Efficiency

Standard Equipment:

Optional Equipment:

Related Equipment

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