631G SCRAPERS
Quick loading, high travel speeds and the ability to load and dump on the run yield fast cycle times, allowing Caterpillar® Wheel Tractor-Scrapers to consistently deliver high productivity.
SPECIFICATIONS
Flywheel Power: Tractor/Scraper373 kW (500 hp)
Net Power345/373 kW 462/500 hp
Gross Power - Gears 1-2364.0 kW
BENEFITS AND FEATURES
power train – engine
The C18 and C9 engines with ACERT™ Technology work at the point of combustion to ...
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structures
Superior structural design delivers stateof- the-art ride, capacity, and material control ...
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operator station
Convenient control placement and a comfortable work environment are keys to high ...
LEARN MOREtractor engine
Flywheel Power: Tractor/Scraper373 kW (500 hp)
Net Power345/373 kW 462/500 hp
Gross Power - Gears 1-2364.0 kW
Gross Power - Gears 3-8392.0 kW
Net Power - Gears 1-2345.0 kW
Net Power - Gears 3-8373.0 kW
Bore145.0 mm
Stroke183.0 mm
Displacement18.1 L
scraper bowl
Scraper Capacity: Heaped26.0 m3
Rated Load37285.0 kg
Capacity Struck18.3 m3
Depth of Cut - max.437.0 mm
Width of Cut, to Router Bits3512.0 mm
Ground Clearance - max.545.0 mm
Cutting Edge - thickness28.0 mm
Hyd. Penetration Force - 631G255.0 kN
Depth of Spread - max.480.0 mm
Apron Opening2007.0 mm
Apron Closure Force170.0 kN
transmission
Top Speed (Loaded)53.5 km/h
1 Forward4.7 km/h
2 Forward8.4 km/h
3 Forward11.9 km/h
4 Forward16.1 km/h
5 Forward21.6 km/h
6 Forward29.3 km/h
7 Forward39.4 km/h
8 Forward53.5 km/h
Reverse9.9 km/h
engine
Tractor EngineC18 ACERT
weights
Operating Weight46475.0 kg
weights standard tandem
Total Shipping45362.0 kg
Total Operating - empty46475.0 kg
Front Axle31138.0 kg
Rear Axle15337.0 kg
Total Operating - loaded83760.0 kg
Front Axle Weight - loaded44393.0 kg
Rear Axle Weight - loaded39367.0 kg
dimensions
Width – Overall Machine3938.0 mm
Width – Tractor3481.0 mm
Width - rear tire center lines2464.0 mm
Width – Inside of Bowl3405.0 mm
Width – Outside Rear Tires3636.0 mm
Height – Overall Shipping4286.0 mm
Height – Top of Cab3715.0 mm
Ground Clearance – Tractor665.0 mm
Front of Tractor to Front Axle3359.0 mm
Axle to Vertical Hitch Pin548.0 mm
Height – Scraper Blade Maximum545.0 mm
Wheelbase8769.0 mm
Length - overall machine14565.0 mm
Rear Axle to Rear of Machine2437.0 mm
service refill capacities – scraper
Wheel Coolant (each)75.0 L
steering
Width - 180° Turn12.2 m
Steering Angle – Right90°
Steering Angle – Left85°
hydraulics
Bowl Cylinder Bore184.0 mm
Bowl Cylinder Stroke873.0 mm
Apron Cylinder Bore210.0 mm
Apron Cylinder Stroke727.0 mm
Ejector Cylinder Bore210.0 mm
Ejector Cylinder Stroke1880.0 mm
Steering Circuit379.0 L/min
Scraper Circuit344.0 L/min
Cushion Hitch Circuit34.5 L/min
Secondary Steering Circuit379.0 L/min
Relief Valve - Steering Circuit13700.0 kPa
Relief Valve - Implement Circuit14000.0 kPa
Compensator Setting - Cushion Hitch Circuit16000.0 kPa
service refill capacities – tractor
Crankcase45.0 L
Fuel Tank - 631G814.0 L
Transmission110.0 L
Differential148.0 L
Final Drive (per side)23.0 L
Cooling System110.0 L
Hydraulic Reservoir190.0 L
Wheel Coolant (each)75.0 L
Windshield Washer6.0 L
transmission 631g
1 Forward4.7 km/h
2 Forward8.4 km/h
3 Forward11.9 km/h
4 Forward16.1 km/h
5 Forward21.6 km/h
6 Forward29.3 km/h
7 Forward39.4 km/h
8 Forward53.5 km/h
Reverse9.9 km/h
BENEFITS AND FEATURES
POWER TRAIN – ENGINE
The C18 and C9 engines with ACERT™ Technology work at the point of combustion to ...
LEARN MORE
STRUCTURES
Superior structural design delivers stateof- the-art ride, capacity, and material control ...
LEARN MORE
OPERATOR STATION
Convenient control placement and a comfortable work environment are keys to high ...
LEARN MORE
ELECTRONIC CONTROLS
The electronic controls respond to operator commands and input from on-board sensors to ...
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SCRAPER BOWL
Caterpillar® Scraper bowls are designed for excellent material flow and retention for ...
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AUGER ARRANGEMENT
Provides self-loading capability with the same wide material appetite as an open bowl ...
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SERVICEABILITY
Grouped service points and easy access, the latest electronic monitoring systems and ...
LEARN MOREMOTEUR
The C18 and C9 engines with ACERT™ Technology work at the point of combustion to optimize engine performance and minimize exhaust emissions. Matched with the torque converter and power shift transmission, they provide years of dependable and efficient service.
BENEFITS AND FEATURES
Electronic controls switch from converter drive to direct drive based on gear selection, maximizing efficiency and power application. Tractor and scraper engines are synchronized for smooth operation and longer service life.
BENEFITS AND FEATURES
Superior structural design delivers stateof- the-art ride, capacity, and material control while assuring the durability and reliability customers expect from Caterpillar.
BENEFITS AND FEATURES
Convenient control placement and a comfortable work environment are keys to high productivity. Features include electro-hydraulic controls, an available air seat suspension and advanced instrumentation.
BENEFITS AND FEATURES
The electronic controls respond to operator commands and input from on-board sensors to optimize machine performance. In addition, the electronic controls provide advanced diagnostic capabilities that result in better machine availability.
BENEFITS AND FEATURES
Caterpillar® Scraper bowls are designed for excellent material flow and retention for fast cycle times and high productivity.
BENEFITS AND FEATURES
Provides self-loading capability with the same wide material appetite as an open bowl machine.
BENEFITS AND FEATURES
Grouped service points and easy access, the latest electronic monitoring systems and rugged Caterpillar components simplify maintenance and minimize downtime.
BENEFITS AND FEATURES
Caterpillar dealers have the parts and service capabilities to keep your wheel tractor-scrapers working.