Caterpillar 631G Motor Scraper
Dimensions
Dimensions
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
Front Of Tractor To Front Axle
132.25lb/in
Ground Clearance - Tractor
26.2lb/in
Height - Overall Shipping
167.75in
Height - Scraper Blade Maximum
21.5in
Height - Top Of Cab
146.25lb/in
Specifications
Tractor Engine
Make
Caterpillar
Model
3408E
Gross Power
515hp
Displacement
1099cu in
Engine
Tractor Engine
3408E
Tractor Engine
Flywheel Power - Tractor/Scraper
373 kW (500 hp)
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)
Operational
Fuel Capacity
215.1gal
Cooling System Fluid Capacity
32gal
Engine Oil Fluid Capacity
11.7gal
Transmission Fluid Capacity
33gal
Differential Fluid Capacity
36gal
Hydraulic System Fluid Capacity
50.2gal
Wheel Coolant Fluid Capacity - Each
19.8gal
Operating Voltage
24V
Alternator Supplied Amperage
75amps
Tire Size
37.50-R35
Transmission
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
Reverse
6.2 mile/h
Steering
Width - 180 Degrees Turn
40.1ft in
Steering Angle - Right
90 degrees
Steering Angle - Left
85 degrees
Hydraulic Output
96.2 gal/min
Transmission
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
Top Speed - Loaded
33mph
Steering
Ground-Driven Secondary Steering System
51 gal/min
Weights
Total Operating - Empty
102459.8lb
Operating Weight
102460lb
Front Axle - Empty
68647.5%
Rear Axle - Empty
33812.3%
Total Operating - Loaded
177460lb
Front Axel - Loaded
94054lb
Rear Axle - Loaded
83406%
Bowl
Rated Payload
75000lb
Heaped Capacity
31yd3
Struck Capacity
21yd3
Max Depth Of Cut
17.2in
Width Of Cut
11.6ft in
Standards
Brakes
Meets ISO 3450: 1996 standard
Rops/Fops
Meets SAE J320a, SAE J1040 MAY 94, and ISO 3471-1994
Cab
Meets ANSI, SAE
Hydraulics
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
Relief Valve - Implement Circuit
2030 psi
Compensator Settings - Cushion Hitch Circuit
2320 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
Scraper Bowl
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
Service Refill Capacities - Scraper
Wheel Coolant - Each
19.8gal
Service Refill Capacities - Tractor
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
Weights - Standard, Tandem
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
Transmission - 631g
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
