Caterpillar 631G Motor Scraper

Overall Length

47.78ft in

Overall Width

12.92ft in

Overall Height

14.07ft in

Wheelbase

28.77ft in

Tractor Ground Clearance

2.19ft in

Height To Top Of Cab

12.19ft in

Length - Overall Machine

573.4in

Rear Axle - Rear Of Machine

95.8lb/in

Wheel Base

345.25lb/in

Width - Inside Of Bowl

134in

Width - Outside Rear Tires

143.2in

Width - Overall Machine

155lb/in

Width - Rear Tire Center Lines

97lb/in

Axle To Vertical Hitch Pin

21.6in

Width - Tractor

137in

Ground Clearance - Tractor

26.2lb/in

Height - Overall Shipping

167.75in

Height - Scraper Blade Maximum

21.5in

Height - Top Of Cab

146.25lb/in

Make

Caterpillar

Model

3408E

Gross Power

515hp

Displacement

1099cu in

Tractor Engine

3408E

Net Power - Gears 1-2

450hp

Gross Power - Gears 1-2

480hp

Caterpillar Net Power

490hp

Iso 9249

490hp

Eec 80/1269

490hp

Sae J1349

490hp

Bore

5.4lb/in

Stroke

6lb/in

Net Power - Gears 3-8

490hp

Gross Power - Gears 3-8

515hp

Net Power - Tractor/Scraper

336 kW (450 hp)

Fuel Capacity

215.1gal

Cooling System Fluid Capacity

32gal

Engine Oil Fluid Capacity

11.7gal

Transmission Fluid Capacity

33gal

Differential Fluid Capacity

36gal

Operating Voltage

24V

Alternator Supplied Amperage

75amps

Tire Size

37.50-R35

Transmission Type

8-speed automatic powershift with electronic control

Number Of Forward Gears

8

Number Of Reverse Gears

1

Max Speed - Forward

33.2mph

Max Speed - Reverse

6.2mph

Width - 180 Degrees Turn

40.1ft in

Steering Angle - Right

90 degrees

Steering Angle - Left

85 degrees

Hydraulic Output

96.2 gal/min

Top Speed - Loaded

33mph

Operating Weight

102460lb

Front Axle - Empty

68647.5%

Rear Axle - Empty

33812.3%

Front Axel - Loaded

94054lb

Rear Axle - Loaded

83406%

Rated Payload

75000lb

Heaped Capacity

31yd3

Struck Capacity

21yd3

Max Depth Of Cut

17.2in

Width Of Cut

11.6ft in

Brakes

Meets ISO 3450: 1996 standard

Rops/Fops

Meets SAE J320a, SAE J1040 MAY 94, and ISO 3471-1994

Cab

Meets ANSI, SAE

Bowl Cylinder Bore

7.2in

Bowl Cylinder Stroke

34.4in

Steering Circuit

103 gal/min

Scraper Circuit

91 gal/min

Cushion Hitch Circuit

9 gal/min

Relief Valve - Steering Circuit

1987 psi

Ejector Cylinder Bore

8.3in

Ejector Cylinder Stroke

74in

Secondary Steering Circuit

77 gal/min

Apron Cylinder Bore

8.2in

Apron Cylinder Stroke

28.6in

Capacity - Heaped

34yd3

Width - Cut - To Router Bits

138.3lb/in

Rated Load

75000lb

Capacity - Struck

21yd3

Depth Of Cut - Maximum

17.2lb/in

Ground Clearance - Maximum

21.5in

Cutting Edge Thickness

1.7in

Depth Of Spread - Maximum

18.9in

Scraper Capacity - Heaped

31yd3

Hyd. Penetration Force - 621g

57375lb

Apron Closure Force

38250lb

Apron Opening

79in

Hyd. Penetration Force - 631g

57375lb

Transmission

33gal

Differential

36gal

Final Drive - Each

7gal

Cooling System

32gal

Hydraulic Reservoir

50gal

Crankcase

11.7gal

Wheel Coolant - Each

19.5gal

Windshield Washer

6gal

Fuel Tank - 631g

215.1gal

Total Shipping

100006lb

Tractor Shipping

46002lb

Scraper Shipping

54004lb

Total Operating - Empty

102460lb

Front Axle

68648lb

Rear Axle

33812lb

Total Operating - Loaded

177460lb

Front Axle Weight - Loaded

94054lb

Rear Axle - Weight - Loaded

83406lb

1 Forward

2.9mph

2 Forward

5.2mph

3 Forward

7.4mph

4 Forward

10mph

5 Forward

13.4mph

6 Forward

18.2mph

7 Forward

24.5mph

8 Forward

33.2mph

Reverse

6.2mph