Caterpillar 637G Motor Scraper

Weights
Front Axle Weight - Loaded

96503 lb

Operating Weight

114743.9 lb

Rear Axle - Weight - Loaded

100441 lb

Blade
Height - Scraper Blade Maximum

21.5 in

Cutting Edge Thickness

1.2 in

Engine & Fuel System
Engine Oil Fluid Capacity

18.9 gal

Scraper Engine

Cat C9 with ACERT Technology

Tractor Engine

Cat C18 with ACERT Technology

Fuel Capacity

335 gal

Fuel Tank - 637g

335 gal

Gross Power

270 hp

Gross Power - Gear 1

274 hp

Gross Power - Gears 1-2

480 hp

Gross Power - Gears 2-4

299 hp

Gross Power - Gears 3-8

519 hp

Net Power - Gear 1

249 hp

Net Power - Gears 1-2

450 hp

Net Power - Gears 2-4

274 hp

Net Power - Gears 3-8

485 hp

Cooling System

29 gal

Cooling System Fluid Capacity

52 gal

Displacement

538 cu in

Make

Caterpillar

Model

3306

Drive System
Brakes

Meets ISO

Final Drive - Each

6.1 gal

Relief Valve - Steering Circuit

1987 psi

Secondary Steering Circuit

100 gal/min

Steering Angle - Left

85 degrees

Steering Angle - Right

90 degrees

Steering Circuit

100 gal/min

Operating Specs
Total Operating - Empty

118084 lb

Total Operating - Loaded

200284 lb

Hydraulic System
Hydraulic Output

100 gal/min

Hydraulic Reservoir

50.2 gal

Dimensions, Wheels & Tires
Tire Size

37.50-R35

Wheelbase

28.77 ft in

Width - Outside Rear Tires

143.2 in

Width - Rear Tire Center Lines

97 in

Ground Clearance - Maximum

21.5 in

Ground Clearance - Tractor

26.2 in

Tractor Ground Clearance

2.19 ft in

Overall Width

12.92 ft in

Overall Length

47.78 ft in

Height To Top Of Cab

12.19 ft in

Overall Height

14.07 ft in

Wheel Base

28.77 ft in

Cab

Meets ANSI, SAE

Rops/Fops

Meets SAE, ISO

Battery & Electrical System
Alternator Supplied Amperage

75 A

Operating Voltage

24 V

Transmission
Transmission

29 gal

Transmission Fluid Capacity

45.7 gal

Max Speed - Forward

34.1 mph

Max Speed - Reverse

6.2 mph

Number Of Forward Gears

8

Number Of Reverse Gears

1

Top Speed - Loaded

33 mph

1 Forward

3.4 mph

2 Forward

6.2 mph

3 Forward

7.6 mph

4 Forward

10.3 mph

5 Forward

13.8 mph

6 Forward

18.7 mph

7 Forward

25.2 mph

8 Forward

34.1 mph

Reverse

6.2 mph

Technical Specs
Height - Top Of Cab

12.2 ft in

Height - Top Of Scraper

13.71 ft in

Length - Overall

50.75 ft in

Length - Overall Machine

573.4 in

Rear Axle - Rear Of Machine

95.75 in

Tread - Scraper

8.07 ft in

Tread - Tractor

8.07 ft in

Width - Inside Of Bowl

134 in

Width - Overall

12.93 ft in

Width - Overall Machine

155 in

Axle To Vertical Hitch Pin

21.6 in

Width - Tractor

137 in

Bail Length - Maximum (Push-Pull)

195.3 in

Height - Overall Shipping

168.75 in

Bore

4.5 in

Stroke

5.9 in

Differential Fluid Capacity

40.5 gal

Width - 180 Degrees Turn

40 ft in

Width - 180 Degrees Turn - Right

40.1 ft in

Front Axle - Empty

67700 lb

Rear Axle - Empty

47045 lb

Front Axle - Load

92975 lb

Rated Payload

75000 lb

Heaped Capacity

31 yd3

Struck Capacity

21 yd3

Max Depth Of Cut

17.2 in

Width Of Cut

11.6 ft in

Scraper Capacity - Struck

41 yd3

Bowl Cylinder Bore

7.3 in

Bowl Cylinder Stroke

34.4 in

Scraper Circuit

91 gal/min

Cushion Hitch Circuit

9 gal/min

Ejector Cylinder Bore

8.3 in

Ejector Cylinder Stroke

74 in

Apron Cylinder Bore

8.3 in

Apron Cylinder Stroke

28.6 in

Width - Cut - To Router Bits

138.3 in

Rated Load

82260 lb

Capacity - Struck

24 yd3

Depth Of Cut - Maximum

17.2 in

Depth Of Spread - Maximum

18.9 in

Scraper Capacity - Heaped

34 yd3

Hyd. Penetration Force - 621g

81000 lb

Apron Closure Force

38250 lb

Apron Opening

79 in

Hyd. Penetration Force - 637g

81000 lb

Differential

39 gal

Crankcase

11.9 gal

Wheel Coolant - Each

19.8 gal

Windshield Washer

1.5 gal

Total Shipping

116100 lb

Tractor Shipping

68499 lb

Scraper Shipping

47601 lb

Front Axle

69670 lb

Rear Axle

48414 lb

Rear Axle - Loaded

102145 lb