631G Wheel Tractor Scraper

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631G Wheel Tractor Scraper

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 ...
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Tractor Engine

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

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

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

Tractor Engine
Cat® C18 ACERT™

Weights

Operating Weight
102459.71lb

Weights - Standard, Tandem

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

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

Width - 180° Turn
40.02ft
Steering Angle - Right
90°
Steering Angle - Left
85°

Service Refill Capacities - Tractor

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

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

Wheel Coolant - Each
19.8gal (US)

Transmission - 631G

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: