631G

Heavy Equipment

631G

Scraper Capacity - Heaped
34 yd³ / 26 m³
Top Speed - Loaded
33 mile/h / 53.5 km/h
Rated Load
82200 lb / 37285 kg

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 Equipment

  • ELECTRICAL
    • Alarm, backup
    • Alternator, 75 amp
    • Batteries (4), 12V Maintenance Free, High Output
    • Electrical System, 24V
    • Lighting System
    • Starting Receptacle
  • OPERATOR ENVIRONMENT
    • Air Conditioner (includes heater and defroster)
    • Cigarette Lighter and Ashtray
    • Coat Hook
    • Diagnostic Connection Port (12V)
    • Dome Courtesy Light
    • Gauge Group
    • Horn
    • Implement Control Joystick
    • Rearview Mirrors
    • Radio Ready (two radio openings, speakers, and 5-amp converter)
    • ROPS Cab with Sound Suppression and Pressurization
    • Static Seatbelt
    • Seat, Air Suspension, Caterpillar Comfort, cloth
    • Steering Wheel - tilt and telescoping
    • Storage Compartment
    • Throttle Lock
    • Transmission Hold
    • Windows - sliding side, swing out
    • Windshield - laminated glass
    • Windshield Wiper/Washer - front and rear
  • POWER TRAIN
    • Engine
    • Braking System
    • Transmission
  • OTHER STANDARD EQUIPMENT
    • Extended Life Coolant, -36° C (-33° F)
    • Fan hub, permanent lube
    • Fast Oil Change
    • Fenders
    • Rims - 35 inch (2)
    • Tires, 37.50-R35 radial
    • Tractor:
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