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631
Open Bowl Scrapers
631
Open Bowl Scrapers
The Open Bowl Wheel Tractor-Scraper is available as a self-loading, push loaded or push loaded hauling system with a broad material appetite.
This machine comes with a Customer Value Agreement, giving you complete peace of mind.
Toromont Fast Track, available exclusively with a Cat® Customer Value Agreement, keeps your operation moving with guaranteed next‑day parts, two‑day repairs, and service on your schedule. On top of the Cat Services Commitment, Toromont Fast Track gives you rapid parts access, priority service, real‑time repair updates, and hassle‑free warranty support—so you’re back to work faster and with total peace of mind.
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Specifications
Cab
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Exterior Sound LevelThe exterior sound power level for the standard machine (ISO 6393) is 116 dB(A).
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ROPS/FOPSROPS/FOPS meet “ISO Standards.”
Dimensions
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Width - Overall Machine155 in 3937 mm
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Width - Overall Machine - Ladder Down159.3 in 4045 mm
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Width - Tractor144.2 in 3662 mm
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Width - Rear Tire Centers96.9 in 2462 mm
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Width - Inside of Bowl134 in 3404 mm
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Width - Outside Bowl - Shipping Width143.1 in 3635 mm
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Height - Overall Shipping153.2 in 3892 mm
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Height - Top of Cab149.8 in 3805 mm
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Front of Tractor to Front Axle142 in 3608 mm
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Ground Clearance - Tractor26.1 in 664 mm
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Axle to Vertical Hitch Pin20 in 509 mm
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Height - Scraper Blade Maximum20 in 510 mm
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Wheel Base346.8 in 8808 mm
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Length - Overall Machine - Standard596.8 in 15160 mm
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Length - Maximum (Push-Pull)655.2 in 16643 mm
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Rear Axle - Rear of Machine108 in 2744 mm
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Width - Outside Rear Tires143.2 in 3636 mm
Engine
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EmissionsCat® C18 engine meets U.S. EPA Tier 4 Final/EU Stage IV emission standards.
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Engine Model - TractorCat® C18
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Rated Engine RPM - Tractor1900 r/min 1900 r/min
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Flywheel Power - Tractor570 hp 425 kW
General
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Overall Width12.11 ft 3.94 m
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Overall Shipping Height12.9 ft 3.89 m
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Scraper Capacity - Struck24 yd³ 18.3 m³
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Scraper Capacity - Heaped34 yd³ 26 m³
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Rated Load37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
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Width - Cut17.7 ft 3.51 m
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Maximum Depth of Cut12.4 in 450 mm
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Maximum Depth of Spread21.1 in 535 mm
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Top Speed - Loaded34.7 mile/h 55.8 km/h
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180° Curb-to-Curb Turning Width40.12 ft 12.23 m
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Tires - Scraper37.25R35**E3
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Tires - Tractor37.25R35**E3
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Fuel Tank Refill Capacity - Scraper231 gal (US) 874 l
Implement Cycle Times
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Bowl Raise3.5 s 3.5 s
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Bowl Lower3.5 s 3.5 s
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Apron Raise4 s 4 s
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Apron Lower3.8 s 3.8 s
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Ejector Extend8.5 s 8.5 s
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Ejector Retract8.5 s 8.5 s
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Bail Raise1.5 s 1.5 s
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Bail Lower2.1 s 2.1 s
Non Push-Pull
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Overall Length49.34 ft 15.04 m
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Operating Weight - Empty102750 lb 46600 kg
Push-Pull
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Operating Weight - Empty106430 lb 48275 kg
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Overall Length - With Bail Down54.59 ft 16.64 m
Safety Criteria Compliance Standards
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Steering SystemISO 5010:2007
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Falling Object Protective Structure (FOPS)ISO 3449:2005 Level II
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Rollover Protection Structure (ROPS)ISO 3471:2008 for up to 21 282 kg (46,919 lb)
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Seat BeltSAE J386:FEB2006
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Reverse AlarmISO 9533:2010
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BrakesISO 3450:2011
Scraper Bowl
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Scraper Capacity - Heaped34 yd³ 26 m³
Service Refill Capacities
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Real Wheels (Each)2.37 gal (US) 9 l
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Crankcase - Tractor13.7 gal (US) 52 l
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Transmission System29 gal (US) 110 l
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Cooling System18.75 gal (US) 71 l
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Fuel Tank231 gal (US) 874 l
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Hydraulic System37.5 gal (US) 142 l
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Diesel Exhaust Fluid (DEF)8 gal (US) 30.5 l
Service Refill Capacities - Scraper
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Final Drive - Each8.71 gal (US) 33 l
Service Refill Capacities - Tractor
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Windshield Washer Reservoir1.3 gal (US) 5 l
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Differential40.41 gal (US) 153 l
Tractor Engine
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Flywheel Power - Tractor/Scraper570 hp 425 kW
Transmission
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Top Speed - Loaded34.7 mile/h 55.8 km/h
Travel Speeds - Runout
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Transmission Gear - First3.4 mile/h 5.5 km/h
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Transmission Gear - Second6.2 mile/h 10 km/h
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Transmission Gear - Third7.7 mile/h 12.4 km/h
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Transmission Gear - Fourth10.5 mile/h 16.9 km/h
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Transmission Gear - Fifth14.1 mile/h 22.7 km/h
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Transmission Gear - Sixth19 mile/h 30.6 km/h
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Transmission Gear - Seventh25.7 mile/h 41.4 km/h
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Transmission Gear - Eighth34.7 mile/h 55.8 km/h
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Transmission Gear - Reverse6.2 mile/h 9.9 km/h
Benefits
Cat® Customer Value Agreements simplify ownership with planned maintenance, genuine parts, dealer expertise, and smart monitoring to reduce costs and extend machine life. Flexible plans and options for customer‑managed (Convenience plan), dealer‑managed (Performance plan), or protection‑focused (Confidence) coverage.. With Toromont Fast Track, exclusive to Cat® CVAs, you get next‑day parts, two‑day repairs, and Cat® Credits if delays occur—keeping downtime off your schedule.
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
- 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.
Equipment Info
NOTE
Standard and optional equipment may vary. Consult your Cat dealer for details.
POWER TRAIN – TRACTOR
Cat® C18
POWER TRAIN – SCRAPER
Braking system:
- Primary and secondary, dry caliper, hydraulic actuated
ELECTRICAL – TRACTOR
Alternator, 150 Amp
ELECTRICAL – SCRAPER
Alarm, backup
OPERATOR ENVIRONMENT – TRACTOR
HVAC system, heat, AC, defrost
FLUIDS
Extended Life Coolant to –37° C (–34° F)
OTHER STANDARD EQUIPMENT – TRACTOR
Advanced cushion hitch
OTHER STANDARD EQUIPMENT – SCRAPER
Bowl:
- 18.3 m3 (24 yd3), struck
- 26 m3 (34 yd3), heaped
Product Brochures
BENEFITS OF BUYING A NEW TOROMONT CAT EQUIPMENT

Industry-leading support that doesn’t stop at delivery.

50+ branches and mobile techs for support wherever the job takes you.

Parts you need, when you need them, online or in-branch.

Built tough to perform in the most demanding conditions.

Comfortable, operator-focused cabs designed for long days on site.

Advanced technology that boosts productivity and your bottom line.
CONTACT AN EQUIPMENT SPECIALIST
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