637G Wheel Tractor Scraper

637G Wheel Tractor Scraper

360° Exterior View

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 ...
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Tractor Engine

Flywheel Power - Tractor/Scraper
373 kW (500 hp) / 211 kW (283 hp)
Net Power
345 kW (462 hp) / 373 kW (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 - 637G
81000lb
Depth of Spread - Maximum
18.9in
Apron Opening
79in
Apron Closure Force
38250lb

Transmission

Top Speed - Loaded
33mile/h
1 Forward
3.4mile/h
2 Forward
6.2mile/h
3 Forward
7.6mile/h
4 Forward
10.3mile/h
5 Forward
13.8mile/h
6 Forward
18.7mile/h
7 Forward
25.2mile/h
8 Forward
34.1mile/h
Reverse
6.2mile/h

Engine

Tractor Engine
Cat C18 ACERT™
Scraper Engine
Cat C9 ACERT™

Scraper Engine

Net Power
198 kW (266 hp) / 211 kW (283 hp)
Gross Power - Gear 1
286HP
Gross Power - Gears 2-4
303HP
Net Power - Gear 1
266HP
Net Power - Gears 2-4
283HP
Bore
4.4in
Stroke
5.9in
Displacement
538in³

Weights - Push-Pull

Total Shipping
116100lb
Tractor Shipping
68499lb
Scraper Shipping
47601lb
Total Operating - Empty
118084lb
Front Axle
69670lb
Rear Axle
48414lb
Total Operating - Loaded
200284lb
Front Axle - Loaded
98139lb
Rear Axle - Loaded
102145lb

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
Width - Outside Bowl - Shipping Width
154in
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
Bail Length - Maximum (Push-Pull)
195.3in
Extended Push Block (Push-Pull)
108in

Service Refill Capacities - Tractor

Transmission
29gal (US)
Hydraulic Reservoir
50.2gal (US)
Final Drive - Each
6.1gal (US)
Differential
39gal (US)
Cooling System
29gal (US)
Crankcase
11.9gal (US)
Fuel Tank - 637G
335gal (US)
Wheel Coolant - Each
19.8gal (US)
Windshield Washer
1.5gal (US)

Steering

Width - 180° Turn
40.02ft
Width - 180° Turn - Right
40.1ft
Steering Angle - Right
90°
Steering Angle - Left
85°
Hydraulic Output
100gal/min

Weights - Standard, Tandem

Total Shipping
112760lb
Tractor Shipping
66529lb
Scraper Shipping
46231lb
Total Operating - Empty
114744lb
Front Axle
67700lb
Rear Axle
47044lb
Total Operating - Loaded
196944lb
Front Axle Weight - Loaded
96503lb
Rear Axle - Weight - Loaded
100441lb

Service Refill Capacities - Scraper

Fuel Tank - 637G
335gal (US)
Crankcase
7.9gal (US)
Transmission
19gal (US)
Differential
3.2gal (US)
Final Drive - Each
5gal (US)
Wheel Coolant - Each
19.8gal (US)
Cooling System
20gal (US)

Transmission - 637G

1 Forward
3.4mile/h
2 Forward
6.2mile/h
3 Forward
7.6mile/h
4 Forward
10.3mile/h
5 Forward
13.8mile/h
6 Forward
18.7mile/h
7 Forward
25.2mile/h
8 Forward
34.1mile/h
Reverse
6.2mile/h

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

Standard Equipment: