CAT 631E Series II Motor Scraper

Dimensions

Overall Length 47.77 ft in (14560 mm)
Overall Width 12.93 ft in (3940 mm)
Overall Height 14.08 ft in (4290 mm)
Wheelbase 28.78 ft in (8770 mm)
Length – Overall Machine 573.25 in (14560.55 mm)
Rear Axle – Rear Of Machine 95.75 in (2432.06 mm)
Wheel Base 28.78 ft in (0.74 m)
Width – Inside Of Bowl 134 in (3403.6 mm)
Width – Outside Rear Tires 143.1 in (3634.74 mm)
Width – Overall Machine 155 in (3937 mm)
Width – Rear Tire Center Lines 97 in (2463.81 mm)
Front Of Tractor To Front Axle 132.25 in (3359.15 mm)
Width – Tractor 137 in (3479.8 mm)
Height – Overall Shipping 168.75 in (4286.25 mm)
Height – Scraper Blade Maximum 21.5 in (546.1 mm)
Height – Top Of Cab 12.19 ft in (0.31 m)

Tractor Engine

Model 3408TA
Gross Power 490 hp (365.4 kw)
Net Power 450 hp (335.6 kw)
Displacement 1099 cu in (18.1 L)

Engine Details

Tractor Engine 3408E

Tractor Engine

CAT Net Power 490 hp (365.4 kw)
Iso 9249 490 hp (365.4 kw)
Eec 80/1269 490 hp (365.4 kw)
Sae J1349 485 hp (361.7 kw)
Bore 5.4 in (137.2 mm)
Stroke 6 in (152.4 mm)

Operational Specs

Fuel Tank Capacity 215.1 gal (814 L)

Transmission

Max Speed Forward 33 mph (53 km/h)
Reverse 6.2 mile/h

Steering

Width – 180 Degrees Turn 40.1 ft in (12.3 m)
Steering Angle – Right 90 degrees
Steering Angle – Left 85 degrees
Hydraulic Output 96.2 gal/min

Transmission

1 Forward 2.9 mph (4.7 km/h)
2 Forward 5.2 mph (8.4 km/h)
3 Forward 7.4 mph (12 km/h)
4 Forward 10 mph (16.1 km/h)
5 Forward 13.4 mph (21.6 km/h)
6 Forward 18.2 mph (29.3 km/h)
7 Forward 24.5 mph (39.5 km/h)
8 Forward 33.2 mph (53.5 km/h)

Steering

Ground-Driven Secondary Steering System 52 gal/min

Weights

Total Operating – Empty 97466.4 lb (44210 kg)
Operating Weight 97459 lb (44206.7 kg)

Bowl

Rated Payload 75001.3 lb (34020 kg)
Heaped Capacity 31 yd3 (23.7 m3)
Struck Capacity 21.1 yd3 (16.1 m3)
Max Depth Of Cut 17.3 in (437 mm)
Width Of Cut 11.6 ft in (3510 mm)

Hydraulics

Bowl Cylinder Bore 7.3 in (184.2 mm)
Bowl Cylinder Stroke 34.4 in (873.8 mm)
Steering Circuit 105 gal/min
Scraper Circuit 95 gal/min
Cushion Hitch Circuit 10 gal/min
Relief Valve – Steering Circuit 1960 psi
Relief Valve – Implement Circuit 2000 psi
Compensator Settings – Cushion Hitch Circuit 2300.01 psi
Ejector Cylinder Bore 8.3 in (210.9 mm)
Ejector Cylinder Stroke 74 in (1879.6 mm)
Secondary Steering Circuit 77 gal/min
Apron Cylinder Bore 8.3 in (209.6 mm)
Apron Cylinder Stroke 28.6 in (726.5 mm)

Scraper Bowl

Width – Cut – To Router Bits 138.3 in (3511.6 mm)
Rated Load 75000 lb (34019.5 kg)
Capacity – Struck 21 yd3 (16.1 m3)
Depth Of Cut – Maximum 17 in (431.8 mm)
Ground Clearance – Maximum 21.5 in (546.1 mm)
Cutting Edge Thickness 1.4 in (35.1 mm)
Depth Of Spread – Maximum 18.8 in (476.3 mm)
Scraper Capacity – Heaped 31 yd3 (23.8 m3)
Hyd. Penetration Force – 621g 57375 lb (26024.9 kg)
Apron Closure Force 38250 lb (17350 kg)
Apron Opening 79 in (2006.6 mm)

Service Refill Capacities – Tractor

Transmission 33 gal (125 L)
Differential 36 gal (136.3 L)
Final Drive – Each 7 gal (26.5 L)
Cooling System 33 gal (125 L)
Hydraulic Reservoir 50 gal (189.3 L)
Crankcase 11.7 gal (44.3 L)
Wheel Coolant – Each 19.5 gal (73.9 L)

Weights – Standard, Tandem

Total Shipping 96182 lb (43627.5 kg)
Tractor Shipping 44243 lb (20068.3 kg)
Scraper Shipping 51939 lb (23559.2 kg)
Total Operating – Empty 97459 lb (44206.7 kg)
Front Axle 65201 lb (29574.7 kg)
Rear Axle 32259 lb (14632.5 kg)
Total Operating – Loaded 172459 lb (78226.1 kg)
Front Axle Weight – Loaded 91576 lb (41538.2 kg)
Rear Axle – Weight – Loaded 80884 lb (36688.4 kg)
Ask a question