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Caterpillar - 631K Wheel Tractor-Scraper

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.

Rent this Equipment
Brochure / Documentation - C10864616

Overall Shipping Height 12.75 ft
Maximum Depth of Spread 21.1 in
Tires - Tractor 37.25R35**E3
Fuel Tank Refill Capacity - Scraper 231.0 gal (US)
Scraper Capacity - Struck 24.0 yd³
Scraper Capacity - Heaped 34.0 yd³
Top Speed - Loaded 34.7 mile/h
Overall Width 12.93 ft
Maximum Depth of Cut 17.7 in
Width - Cut 11.5 ft
180° Curb-to-Curb Turning Width 40.12 ft
Rated Load 37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
Tires - Scraper 37.25R35**E3
Rated Engine RPM: Tractor 1900.0 RPM
Engine Model: Tractor Cat C18
Emissions Cat C18 engine meets U.S. EPA Tier 2/EU Stage II Equivalent emission standards.
Flywheel Power: Tractor 570.0 hp
Flywheel Power: Tractor/Scraper
Scraper Capacity: Heaped 34.0 yd3
Top Speed (Loaded) 34.7 mph
Crankcase - Tractor 13.7 gal (US)
Transmission System 29.0 gal (US)
Fuel Tank 231.0 gal
Hydraulic System 37.5 gal
Cooling System 19.8 gal
Front of Tractor to Front Axle 142.2 in
Axle to Vertical Hitch Pin 20.0 in
Wheelbase 346.8 ft
Rear Axle - Rear of Machine 108.0 in
Ground Clearance - Tractor 26.1 in
Width – Outside Rear Tires 143.2 in
Width - inside of bowl 134.0 in
Width - Rear Tire Centers 96.9 in
Height - Scraper Blade Maximum 20.0 in
Height - Top of Cab 147.0 in
Length – Maximum (Push-Pull) 655.1 in
Height - overall shipping 153.2 in
Width - Overall Machine 155.0 in
Length - Overall Machine - Standard 597.0 in
Width of Tractor 137.8 in
Operating Weight (Empty) 102750.0 lb
Overall Length 49.34 ft
Overall Length (With Bail Down) 54.59 ft
Operating Weight (Empty) 106430.0 lb
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.”
Reverse Alarm ISO 9533:2010
Falling Object Protective Structure (FOPS) ISO 3449:2005 Level II
Seat Belt SAE J386:FEB2006
Rollover Protection Structure (ROPS) ISO 3471:2008 for up to 21 282 kg (46,919 lb)
Brakes Brakes ISO 3450:2011
Steering System ISO 5010:2007
Transmission Gear - First 3.4 mile/h
Transmission Gear - Fourth 10.5 mile/h
Transmission Gear - Sixth 19.0 mile/h
Transmission Gear - Third 7.7 mile/h
Transmission Gear - Fifth 14.1 mile/h
Transmission Gear - Seventh 25.7 mile/h
Transmission Gear - Reverse 6.2 mile/h
Transmission Gear - Eighth 34.7 mile/h
Transmission Gear - Second 6.2 mile/h
Bowl Raise 3.5 s
Bail Lower 2.1 s
Apron Raise 4.0 s
Ejector Extend 8.5 s
Bowl Lower 3.5 s
Bail Raise 1.5 s
Ejector Retract 8.5 s
Apron Lower 3.8 s