Caterpillar 631E Series II
Browse All Caterpillar or Motor Scraper Models
Contents:
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
| Tractor Engine | 3408E |
Tractor Engine
| Caterpillar 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
| Fuel 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) |
