631G Wheel Tractor Scraper

Product Description

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.

Specifications
Us
Metric
Engine
Tractor Engine
Cat® C18 ACERT™
Tractor Engine
Flywheel Power - Tractor/Scraper
373 kW (500 hp)
Net Power
345/373 kW 462/500 hp
Gross Power - Gears 1-2
488 HP
364 kW
Gross Power - Gears 3-8
526 HP
392 kW
Net Power - Gears 1-2
462 HP
345 kW
Net Power - Gears 3-8
500 HP
373 kW
Bore
5.7 in
145 mm
Stroke
7.2 in
183 mm
Displacement
1105 in³
18.1 l
Scraper Bowl
Scraper Capacity - Heaped
34 yd³
26 m³
Rated Load
82200 lb
37285 kg
Capacity - Struck
24 yd³
18.3 m³
Depth of Cut - Maximum
17.2 in
437 mm
Width - Cut - To Router Bits
138.3 in
3512 mm
Ground Clearance - Maximum
21.5 in
545 mm
Cutting Edge Thickness
1.12 in
28 mm
Hyd. Penetration Force - 631G
57375 lb
255 kN
Depth of Spread - Maximum
18.9 in
480 mm
Apron Opening
79 in
2007 mm
Apron Closure Force
38250 lb
170 kN
Transmission
Top Speed - Loaded
33 mile/h
53.5 km/h
1 Forward
2.9 mile/h
4.7 km/h
2 Forward
5.2 mile/h
8.4 km/h
3 Forward
7.4 mile/h
11.9 km/h
4 Forward
10 mile/h
16.1 km/h
5 Forward
13.4 mile/h
21.6 km/h
6 Forward
18.2 mile/h
29.3 km/h
7 Forward
24.5 mile/h
39.4 km/h
8 Forward
33.2 mile/h
53.5 km/h
Reverse
6.2 mile/h
9.9 km/h
Hydraulics
Bowl Cylinder Bore
7.2 in
184 mm
Bowl Cylinder Stroke
34.4 in
873 mm
Apron Cylinder Bore
8.2 in
210 mm
Apron Cylinder Stroke
28.6 in
727 mm
Ejector Cylinder Bore
8.2 in
210 mm
Ejector Cylinder Stroke
74 in
1880 mm
Steering Circuit
100 gal/min
379 l/min
Scraper Circuit
91 gal/min
344 l/min
Cushion Hitch Circuit
9 gal/min
34.5 l/min
Secondary Steering Circuit
100 gal/min
379 l/min
Relief Valve - Steering Circuit
1987 psi
13700 kPa
Relief Valve - Implement Circuit
2030 psi
14000 kPa
Compensator Settings - Cushion Hitch Circuit
2320 psi
16000 kPa
Steering
Width - 180° Turn
40.02 ft
12.2 m
Steering Angle - Right
90°
Steering Angle - Left
85°
Service Refill Capacities - Tractor
Crankcase
11.9 gal (US)
45 l
Fuel Tank - 631G
215.04 gal (US)
814 l
Transmission
29 gal (US)
110 l
Differential
39 gal (US)
148 l
Final Drive - Each
6.1 gal (US)
23 l
Cooling System
29 gal (US)
110 l
Hydraulic Reservoir
50.2 gal (US)
190 l
Wheel Coolant - Each
19.8 gal (US)
75 l
Windshield Washer
1.5 gal (US)
6 l
Service Refill Capacities - Scraper
Wheel Coolant - Each
19.8 gal (US)
75 l
Dimensions
Width - Overall Machine
155 in
3938 mm
Width - Tractor
137 in
3481 mm
Width - Rear Tire Center Lines
97 in
2464 mm
Width - Inside of Bowl
134 in
3405 mm
Width - Outside Rear Tires
143.2 in
3636 mm
Height - Overall Shipping
168.8 in
4286 mm
Height - Top of Cab
146.3 in
3715 mm
Ground Clearance - Tractor
26.2 in
665 mm
Front of Tractor to Front Axle
132.2 in
3359 mm
Axle to Vertical Hitch Pin
21.6 in
548 mm
Height - Scraper Blade Maximum
21.5 in
545 mm
Wheel Base
345.2 in
8769 mm
Length - Overall Machine
573.4 in
14565 mm
Rear Axle - Rear of Machine
95.97 in
2437 mm
Weights - Standard, Tandem
Total Shipping
100005.97 lb
45362 kg
Total Operating - Empty
102459.71 lb
46475 kg
Front Axle
68647.46 lb
31138 kg
Rear Axle
33812.26 lb
15337 kg
Total Operating - Loaded
184658.97 lb
83760 kg
Front Axle Weight - Loaded
97869.7 lb
44393 kg
Rear Axle - Weight - Loaded
86789.28 lb
39367 kg
Weights
Operating Weight
102459.71 lb
46475 kg
Transmission - 631G
1 Forward
2.9 mile/h
4.7 km/h
2 Forward
5.2 mile/h
8.4 km/h
3 Forward
7.4 mile/h
11.9 km/h
4 Forward
10 mile/h
16.1 km/h
5 Forward
13.4 mile/h
21.6 km/h
6 Forward
18.2 mile/h
29.3 km/h
7 Forward
24.5 mile/h
39.4 km/h
8 Forward
33.2 mile/h
53.5 km/h
Reverse
6.2 mile/h
9.9 km/h
Standard/Optional

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