631G Wheel Tractor Scraper
At a Glance
Flywheel Power - Tractor/Scraper
373 kW (500 hp)
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Scraper Capacity - Heaped
34 yd³
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Top Speed - Loaded
33 mile/h
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Tractor Engine
Cat® C18 ACERT™
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Overview
Caterpillar Wheel Tractor-Scrapers offer fast cycle times, with quick loading, high travel speeds and the ability to load and dump on the run. Rugged construction and easy maintenance assure long life with low operating costs.
Tractor Engine
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Flywheel Power - Tractor/Scraper |
373 kW (500 hp) |
Net Power |
345/373 kW 462/500 hp |
Gross Power - Gears 1-2 |
488HP |
Gross Power - Gears 3-8 |
526HP |
Net Power - Gears 1-2 |
462HP |
Net Power - Gears 3-8 |
500HP |
Bore |
5.7in |
Stroke |
7.2in |
Displacement |
1105in³ |
Scraper Bowl
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Scraper Capacity - Heaped |
34yd³ |
Rated Load |
82200lb |
Capacity - Struck |
24yd³ |
Depth of Cut - Maximum |
17.2in |
Width - Cut - To Router Bits |
138.3in |
Ground Clearance - Maximum |
21.5in |
Cutting Edge Thickness |
1.12in |
Hyd. Penetration Force - 631G |
57375lb |
Depth of Spread - Maximum |
18.9in |
Apron Opening |
79in |
Apron Closure Force |
38250lb |
Transmission
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Top Speed - Loaded |
33mile/h |
1 Forward |
2.9mile/h |
2 Forward |
5.2mile/h |
3 Forward |
7.4mile/h |
4 Forward |
10mile/h |
5 Forward |
13.4mile/h |
6 Forward |
18.2mile/h |
7 Forward |
24.5mile/h |
8 Forward |
33.2mile/h |
Reverse |
6.2mile/h |
Engine
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Tractor Engine |
Cat® C18 ACERT™ |
Weights
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Operating Weight |
102459.71lb |
Weights - Standard, Tandem
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Total Shipping |
100005.97lb |
Total Operating - Empty |
102459.71lb |
Front Axle |
68647.46lb |
Rear Axle |
33812.26lb |
Total Operating - Loaded |
184658.97lb |
Front Axle Weight - Loaded |
97869.7lb |
Rear Axle - Weight - Loaded |
86789.28lb |
Dimensions
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Width - Overall Machine |
155in |
Width - Tractor |
137in |
Width - Rear Tire Center Lines |
97in |
Width - Inside of Bowl |
134in |
Width - Outside Rear Tires |
143.2in |
Height - Overall Shipping |
168.8in |
Height - Top of Cab |
146.3in |
Ground Clearance - Tractor |
26.2in |
Front of Tractor to Front Axle |
132.2in |
Axle to Vertical Hitch Pin |
21.6in |
Height - Scraper Blade Maximum |
21.5in |
Wheel Base |
345.2in |
Length - Overall Machine |
573.4in |
Rear Axle - Rear of Machine |
95.97in |
Steering
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Width - 180° Turn |
40.02ft |
Steering Angle - Right |
90° |
Steering Angle - Left |
85° |
Service Refill Capacities - Tractor
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Crankcase |
11.9gal (US) |
Fuel Tank - 631G |
215.04gal (US) |
Transmission |
29gal (US) |
Differential |
39gal (US) |
Final Drive - Each |
6.1gal (US) |
Cooling System |
29gal (US) |
Hydraulic Reservoir |
50.2gal (US) |
Wheel Coolant - Each |
19.8gal (US) |
Windshield Washer |
1.5gal (US) |
Hydraulics
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Bowl Cylinder Bore |
7.2in |
Bowl Cylinder Stroke |
34.4in |
Apron Cylinder Bore |
8.2in |
Apron Cylinder Stroke |
28.6in |
Ejector Cylinder Bore |
8.2in |
Ejector Cylinder Stroke |
74in |
Steering Circuit |
100gal/min |
Scraper Circuit |
91gal/min |
Cushion Hitch Circuit |
9gal/min |
Secondary Steering Circuit |
100gal/min |
Relief Valve - Steering Circuit |
1987psi |
Relief Valve - Implement Circuit |
2030psi |
Compensator Settings - Cushion Hitch Circuit |
2320psi |
Service Refill Capacities - Scraper
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Wheel Coolant - Each |
19.8gal (US) |
Transmission - 631G
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1 Forward |
2.9mile/h |
2 Forward |
5.2mile/h |
3 Forward |
7.4mile/h |
4 Forward |
10mile/h |
5 Forward |
13.4mile/h |
6 Forward |
18.2mile/h |
7 Forward |
24.5mile/h |
8 Forward |
33.2mile/h |
Reverse |
6.2mile/h |
Standard Equipment:
Electrical
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Alarm, backup
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Alternator, 75 amp
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Batteries (4), 12V Maintenance Free, High Output
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Electrical System, 24V
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Lighting System
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Starting Receptacle
Operator Environment
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Air Conditioner (includes heater and defroster)
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Cigarette Lighter and Ashtray
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Coat Hook
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Diagnostic Connection Port (12V)
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Dome Courtesy Light
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Gauge Group
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Horn
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Implement Control Joystick
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Rearview Mirrors
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Radio Ready (two radio openings, speakers, and 5-amp converter)
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ROPS Cab with Sound Suppression and Pressurization
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Static Seatbelt
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Seat, Air Suspension, Caterpillar Comfort, cloth
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Steering Wheel - tilt and telescoping
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Storage Compartment
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Throttle Lock
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Transmission Hold
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Windows - sliding side, swing out
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Windshield - laminated glass
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Windshield Wiper/Washer - front and rear
Power Train
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Engine
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Braking System
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Transmission
Other Standard Equipment
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Extended Life Coolant, -36° C (-33° F)
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Fan hub, permanent lube
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Fast Oil Change
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Fenders
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Rims - 35 inch (2)
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Tires, 37.50-R35 radial
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Tractor:
Optional Equipment: