631 Wheel Tractor-Scraper

General +

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

Engine +

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

Tractor Engine +

Flywheel Power - Tractor/Scraper
570 hp

Scraper Bowl +

Scraper Capacity - Heaped
34 yd³

Transmission +

Top Speed - Loaded
34.7 mile/h

Service Refill Capacities +

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

Dimensions +

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

Non Push-Pull +

Operating Weight - Empty
102750 lb
Overall Length
49.34 ft

Push-Pull +

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

Cab +

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

Safety Criteria Compliance Standards +

Seat Belt
SAE J386:FEB2006
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)
Brakes
ISO 3450:2011
Steering System
ISO 5010:2007
Reverse Alarm
ISO 9533:2010

Travel Speeds - Runout +

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

Implement Cycle Times +

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

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)

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)

Open Bowl Scrapers

631

OVERVIEW

BENEFITS

Be More Productive

Work in Comfort

Designed for Safety

Easy to Operate

Integrated Cat Technologies

Execute Efficiency

Get a Quote for 631

NOTE

POWER TRAIN – TRACTOR

POWER TRAIN – SCRAPER

ELECTRICAL – TRACTOR

ELECTRICAL – SCRAPER

OPERATOR ENVIRONMENT – TRACTOR

FLUIDS

OTHER STANDARD EQUIPMENT – TRACTOR

OTHER STANDARD EQUIPMENT – SCRAPER

NOTE

STEERING ARRANGEMENTS

INTEGRATED TECHNOLOGIES

OTHER ATTACHMENTS

SERVICE INSTRUCTIONS

MEDIA GALLERY

DOWNLOAD RESOURCES

BROWSE

SIMILAR EQUIPMENT

657

LEARN MORE

637

LEARN MORE

631

LEARN MORE

627

LEARN MORE

621

LEARN MORE

651

LEARN MORE

SUBSCRIBE

THANK YOU!