Open Bowl
Cat 631K
Operating Weight
46,600kg
Power
425kW (570hp)
Top Speed
55.8km/hr

631K Wheel Tractor-Scraper
Specifications
Operating Weight
46,600kg
Power
425kW (570hp)
Top Speed
55.8km/hr
Width
3.94m
Scraper Capacity
18.3m³
Specifications
General
180° Curb-to-Curb Turning Width
12.23m
Fuel Tank Refill Capacity - Scraper
874l
Maximum Depth of Cut
450mm
Maximum Depth of Spread
535mm
Overall Shipping Height
3.89m
Overall Width
3.94m
Rated Load
37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
Scraper Capacity - Heaped
26m³
Scraper Capacity - Struck
18.3m³
Tires - Scraper
37.25R35**E3
Tires - Tractor
37.25R35**E3
Top Speed - Loaded
55.8km/h
Width - Cut
3.51m
Engine
Emissions
Cat C18 engine meets U.S. EPA Tier 4 Final/EU Stage IV emission standards.
Engine Model - Tractor
Cat C18
Flywheel Power - Tractor
425kW
Rated Engine RPM - Tractor
1900r/min
Tractor Engine
Flywheel Power - Tractor/Scraper
425kW
Scraper Bowl
Scraper Capacity - Heaped
26m³
Transmission
Top Speed - Loaded
55.8km/h
Service Refill Capacities
Cooling System
75l
Crankcase - Tractor
52l
Diesel Exhaust Fluid (DEF)
30.5l
Fuel Tank
874l
Hydraulic System
142l
Transmission System
110l
Dimensions
Axle to Vertical Hitch Pin
509mm
Front of Tractor to Front Axle
3612mm
Ground Clearance - Tractor
664mm
Height - Overall Shipping
3892mm
Height - Scraper Blade Maximum
510mm
Height - Top of Cab
3733mm
Length - Maximum (Push-Pull)
16640mm
Length - Overall Machine - Standard
15164mm
Rear Axle - Rear of Machine
2744mm
Wheel Base
8808mm
Width - Inside of Bowl
3404mm
Width - Outside Rear Tires
3636mm
Width - Overall Machine
3937mm
Width - Rear Tire Centers
2462mm
Width - Tractor
3499mm
Non Push-Pull
Operating Weight - Empty
46600kg
Overall Length
15.04m
Push-Pull
Operating Weight - Empty
48275kg
Overall Length - With Bail Down
16.64m
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
55.8km/h
Transmission Gear - Fifth
22.7km/h
Transmission Gear - First
5.5km/h
Transmission Gear - Fourth
16.9km/h
Transmission Gear - Reverse
9.9km/h
Transmission Gear - Second
10km/h
Transmission Gear - Seventh
41.4km/h
Transmission Gear - Sixth
30.6km/h
Transmission Gear - Third
12.4km/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
GALLERY

How does the 631K Compare?
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Wheel Tractor-Scrapers Cat 631K
Operating Weight46,600kgPower425kW (570hp)Top Speed55.8km/hrSELECTED MODEL -
Wheel Tractor-Scrapers Cat 627K
Operating Weight40,913 kgPower304kW (407hp)Top Speed53.9km/hr -
Wheel Tractor-Scrapers Cat 637K
Operating Weight54,140 kgPower425kW (570hp)Top Speed55.8km/hr