631 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.
Tractor Engine
- Flywheel Power - Tractor/Scraper
- 570
Scraper Bowl
- Scraper Capacity - Heaped
- 34 yd³
Transmission
- Top Speed - Loaded
- 34.7 mile/h
Engine
- Emissions
- Cat C18 engine meets U.S. EPA Tier 4 Final/EU Stage IV emission standards.
- Rated Engine RPM - Tractor
- 1900 r/min
- Flywheel Power - Tractor
- 570 HP
- Engine Model - Tractor
- Cat C18
Dimensions
- Width - Overall Machine
- 155 in
- Width - Tractor
- 137.8 in
- Width - Inside of Bowl
- 134 in
- Width - Outside Rear Tires
- 143.2 in
- Height - Overall Shipping
- 153.2 in
- Height - Top of Cab
- 147 in
- Ground Clearance - Tractor
- 26.1 in
- Front of Tractor to Front Axle
- 142.2 in
- Axle to Vertical Hitch Pin
- 20 in
- Height - Scraper Blade Maximum
- 20 in
- Wheel Base
- 346.8 in
- Rear Axle - Rear of Machine
- 108 in
- Width - Rear Tire Centers
- 96.9 in
- Length - Overall Machine - Standard
- 597 in
- Length - Maximum (Push-Pull)
- 655.1 in
Travel Speeds - Runout
- Transmission Gear - Seventh
- 25.7 mile/h
- Transmission Gear - Eighth
- 34.7 mile/h
- Transmission Gear - First
- 3.4 mile/h
- Transmission Gear - Fifth
- 14.1 mile/h
- Transmission Gear - Fourth
- 10.5 mile/h
- Transmission Gear - Reverse
- 6.2 mile/h
- Transmission Gear - Second
- 6.2 mile/h
- Transmission Gear - Third
- 7.7 mile/h
- Transmission Gear - Sixth
- 19 mile/h
Implement Cycle Times
- Ejector Retract
- 8.5 s
- Apron Lower
- 3.8 s
- Ejector Extend
- 8.5 s
- Bail Raise
- 1.5 s
- Bail Lower
- 2.1 s
- Bowl Lower
- 3.5 s
- Bowl Raise
- 3.5 s
- Apron Raise
- 4 s
General
- Top Speed - Loaded
- 34.7 mile/h
- Tires - Tractor
- 37.25R35**E3
- Maximum Depth of Cut
- 17.7 in
- Overall Shipping Height
- 12.75 ft
- Scraper Capacity - Struck
- 24 yd³
- 180° Curb-to-Curb Turning Width
- 40.12 ft
- Fuel Tank Refill Capacity - Scraper
- 231 gal (US)
- Tires - Scraper
- 37.25R35**E3
- Maximum Depth of Spread
- 21.1 in
- Scraper Capacity - Heaped
- 34 yd³
- Width - Cut
- 11.5 ft
- Rated Load
- 37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
- Overall Width
- 12.93 ft
Service Refill Capacities
- Crankcase - Tractor
- 13.7 gal (US)
- Cooling System
- 19.8 gal (US)
- Hydraulic System
- 37.5 gal (US)
- Fuel Tank
- 231 gal (US)
- Transmission System
- 29 gal (US)
Non Push-Pull
- Operating Weight - Empty
- 102750 lb
- Overall Length
- 49.34 ft
Safety Criteria Compliance Standards
- Rollover Protection Structure (ROPS)
- ISO 3471:2008 for up to 21 282 kg (46,919 lb)
- Reverse Alarm
- ISO 9533:2010
- Seat Belt
- SAE J386:FEB2006
- Brakes
- ISO 3450:2011
- Falling Object Protective Structure (FOPS)
- ISO 3449:2005 Level II
- Steering System
- ISO 5010:2007
Push-Pull
- Operating Weight - Empty
- 106430 lb
- Overall Length - With Bail Down
- 54.59 ft
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).
