Cat Open Bowl Scrapers: 631G

Tractor Engine

Flywheel Power - Tractor/Scraper	— 373 kW (500 hp)
Net Power	— 345/373 kW 462/500 hp
Gross Power - Gears 1-2	— 364 kW
Gross Power - Gears 3-8	— 392 kW
Net Power - Gears 1-2	— 345 kW
Net Power - Gears 3-8	— 373 kW
Bore	— 145 mm
Stroke	— 183 mm
Displacement	— 18.1 l

Scraper Bowl

Scraper Capacity - Heaped	— 26 m³
Rated Load	— 37285 kg
Capacity - Struck	— 18.3 m³
Depth of Cut - Maximum	— 437 mm
Width - Cut - To Router Bits	— 3512 mm
Ground Clearance - Maximum	— 545 mm
Cutting Edge Thickness	— 28 mm
Hyd. Penetration Force - 631G	— 255 kN
Depth of Spread - Maximum	— 480 mm
Apron Opening	— 2007 mm
Apron Closure Force	— 170 kN

Transmission

Top Speed - Loaded	— 53.5 km/h
1 Forward	— 4.7 km/h
2 Forward	— 8.4 km/h
3 Forward	— 11.9 km/h
4 Forward	— 16.1 km/h
5 Forward	— 21.6 km/h
6 Forward	— 29.3 km/h
7 Forward	— 39.4 km/h
8 Forward	— 53.5 km/h
Reverse	— 9.9 km/h

Engine

Tractor Engine

— C18 ACERT

Weights

Operating Weight

— 46475 kg

Weights - Standard, Tandem

Total Shipping	— 45362 kg
Total Operating - Empty	— 46475 kg
Front Axle	— 31138 kg
Rear Axle	— 15337 kg
Total Operating - Loaded	— 83760 kg
Front Axle Weight - Loaded	— 44393 kg
Rear Axle - Weight - Loaded	— 39367 kg

Dimensions

Width - Overall Machine	— 3938 mm
Width - Tractor	— 3481 mm
Width - Rear Tire Center Lines	— 2464 mm
Width - Inside of Bowl	— 3405 mm
Width - Outside Rear Tires	— 3636 mm
Height - Overall Shipping	— 4286 mm
Height - Top of Cab	— 3715 mm
Ground Clearance - Tractor	— 665 mm
Front of Tractor to Front Axle	— 3359 mm
Axle to Vertical Hitch Pin	— 548 mm
Height - Scraper Blade Maximum	— 545 mm
Wheel Base	— 8769 mm
Length - Overall Machine	— 14565 mm
Rear Axle - Rear of Machine	— 2437 mm

Steering

Width - 180° Turn	— 12.2 m
Steering Angle - Right	— 90°
Steering Angle - Left	— 85°

Service Refill Capacities - Tractor

Crankcase	— 45 l
Fuel Tank - 631G	— 814 l
Transmission	— 110 l
Differential	— 148 l
Final Drive - Each	— 23 l
Cooling System	— 110 l
Hydraulic Reservoir	— 190 l
Wheel Coolant - Each	— 75 l
Windshield Washer	— 6 l

Hydraulics

Bowl Cylinder Bore	— 184 mm
Bowl Cylinder Stroke	— 873 mm
Apron Cylinder Bore	— 210 mm
Apron Cylinder Stroke	— 727 mm
Ejector Cylinder Bore	— 210 mm
Ejector Cylinder Stroke	— 1880 mm
Steering Circuit	— 379 L/min
Scraper Circuit	— 344 L/min
Cushion Hitch Circuit	— 34.5 L/min
Secondary Steering Circuit	— 379 L/min
Relief Valve - Steering Circuit	— 13700 kPa
Relief Valve - Implement Circuit	— 14000 kPa
Compensator Settings - Cushion Hitch Circuit	— 16000 kPa

Service Refill Capacities - Scraper

Wheel Coolant - Each

— 75 l

Transmission - 631G

1 Forward	— 4.7 km/h
2 Forward	— 8.4 km/h
3 Forward	— 11.9 km/h
4 Forward	— 16.1 km/h
5 Forward	— 21.6 km/h
6 Forward	— 29.3 km/h
7 Forward	— 39.4 km/h
8 Forward	— 53.5 km/h
Reverse	— 9.9 km/h