- Category: Scrapers ➔
- Manufacturer: Caterpillar ➔
- Model: 637E II ➔
Introducing the Caterpillar 637E II Scraper, a powerful and versatile machine designed to streamline earthmoving and construction operations. With a heaped capacity of 31 cubic yards and a rated payload of 75,001.3 pounds, this scraper is equipped to handle substantial loads with ease. Featuring a robust hydraulic system, a top speed of 34.1 mph when loaded, and a comprehensive array of specifications for optimal performance, the 637E II is a reliable and efficient solution for any job site. Explore the dimensions, engine power, hydraulic capabilities, operating specifications, and weights of this impressive scraper to learn how it can enhance productivity and efficiency on your next project.
General Specifications
Bowl
| Heaped Capacity | 31 cu yd (24 cu m)
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| Max Depth of Cut | 17 in (44 cm)
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| Rated Payload | 75,001 lbs (34,020 kg)
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| Struck Capacity | 21 cu yd (16 cu m)
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| Width of Cut | 12 ft (4 m)
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Dimensions
| Bail Length - Maximum (Push-Pull) | 76 in (193 cm)
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| Front of Tractor to Front Axle | 132 in (336 cm)
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| Height - Overall Shipping | 169 in (429 cm)
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| Height - Scraper Blade Maximum | 22 in (55 cm)
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| Height - Top of Cab | 12 ft (4 m)
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| Length - Overall Machine | 574 in (1,457 cm)
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| Overall Height | 14 ft (4 m)
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| Overall Length | 48 ft (15 m)
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| Overall Width | 13 ft (4 m)
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| Rear Axle - Rear of Machine | 96 in (243 cm)
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| Wheel Base | 29 ft (9 m)
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| Wheelbase | 29 ft (9 m)
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| Width - Inside of Bowl | 134 in (340 cm)
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| Width - Outside Rear Tires | 143 in (363 cm)
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| Width - Overall Machine | 155 in (394 cm)
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| Width - Rear Tire Center Lines | 97 in (246 cm)
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| Width - Tractor | 137 in (348 cm)
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Engine
| Flywheel Power - Tractor/Scraper | 365 kW (490)/186 kW (250)
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| Scraper Engine | 3306
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| Tractor Engine | Cat 3408E
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Hydraulic System
| Apron Cylinder Bore | 8 in (21 cm)
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| Apron Cylinder Stroke | 29 in (73 cm)
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| Bowl Cylinder Bore | 7 in (18 cm)
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| Bowl Cylinder Stroke | 34 in (87 cm)
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| Compensator Settings - Cushion Hitch Circuit | 2300.01 psi
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| Cushion Hitch Circuit | 9 gpm (34 lpm)
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| Ejector Cylinder Bore | 8 in (21 cm)
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| Ejector Cylinder Stroke | 74 in (188 cm)
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| Relief Valve - Implement Circuit | 2000 psi
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| Relief Valve - Steering Circuit | 1960 psi
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| Scraper Circuit | 91 gpm (344 lpm)
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| Secondary Steering Circuit | 77 gpm (291 lpm)
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| Steering Circuit | 103 gpm (390 lpm)
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Operating Specifications
| Fuel Capacity | 335 gal (1,268 l)
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| Rated Load | 75,000 lbs (34,019 kg)
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| Scraper Capacity - Heaped | 50 cu yd (38 cu m)
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| Scraper Capacity - Struck | 41 cu yd (31 cu m)
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| Tire Size | 37.25R35 E2/E3
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| Top Speed - Loaded | 34 mph (55 kph)
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Scraper Bowl
| Apron Closure Force | 38,250 lbs (17,350 kg)
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| Apron Opening | 79 in (201 cm)
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| Capacity - Struck | 21 cu yd (16 cu m)
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| Cutting Edge Thickness | 2 in (4 cm)
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| Depth of Cut - Maximum | 17 in (44 cm)
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| Depth of Spread - Maximum | 19 in (48 cm)
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| Ground Clearance - Maximum | 22 in (55 cm)
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| Hyd. Penetration Force - 621G | 81,000 lbs (36,741 kg)
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| Rated Load | 75,000 lbs (34,019 kg)
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| Scraper Capacity - Heaped | 31 cu yd (24 cu m)
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| Width - Cut - To Router Bits | 138 in (351 cm)
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Scraper Engine
| Bore | 5 in (12 cm)
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| Displacement | 638 cu in (10,455 cu cm)
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| Gross Power | 250 hp (186 kw)
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| Gross Power - Gear 1 | 270 hp (201 kw)
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| Net Power - Gear 1 | 250 hp (186 kw)
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| Stroke | 6 in (15 cm)
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Service Refill Capacities - Tractor
| Cooling System | 33 gal (125 l)
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| Crankcase | 12 gal (44 l)
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| Differential | 36 gal (136 l)
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| Final Drive - Each | 7 gal (26 l)
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| Hydraulic Reservoir | 50 gal (189 l)
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| Transmission | 33 gal (125 l)
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| Wheel Coolant - Each | 20 gal (74 l)
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Steering System
| Ground-Driven Secondary Steering System | 52 gpm (197 lpm)
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| Hydraulic Output | 96 gpm (364 lpm)
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| Steering Angle - Left | 85 degrees
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| Steering Angle - Right | 90 degrees
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| Width - 180 degrees Turn | 40 ft (12 m)
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Tractor Engine
| Bore | 5 in (14 cm)
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| Caterpillar Net Power | 490 hp (365 kw)
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| Displacement | 1,099 cu in (18,009 cu cm)
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| EEC 80/1269 | 490 hp (365 kw)
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| Gross Power | 490 hp (365 kw)
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| Gross Power - Gears 3-8 | 515 hp (384 kw)
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| ISO 9249 | 490 hp (365 kw)
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| Net Power | 450 hp (336 kw)
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| Net Power - Gears 1-2 | 450 hp (336 kw)
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| Net Power - Gears 3-8 | 490 hp (365 kw)
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| SAE J1349 | 485 hp (362 kw)
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| Stroke | 6 in (15 cm)
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Transmission
| 1 Forward | 3 mph (5 kph)
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| 2 Forward | 6 mph (10 kph)
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| 3 Forward | 8 mph (12 kph)
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| 4 Forward | 10 mph (17 kph)
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| 5 Forward | 14 mph (22 kph)
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| 6 Forward | 19 mph (30 kph)
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| 7 Forward | 25 mph (41 kph)
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| 8 Forward | 34 mph (55 kph)
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| Max Speed Forward | 33 mph (53 kph)
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| Reverse | 6 mph (10 kph)
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Weights
| Operating Weight | 112,670 lbs (51,106 kg)
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| Operating Weight - Loaded - Approximate | 113,580 lbs (51,519 kg)
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| Total Operating - empty | 112,414 lbs (50,990 kg)
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Weights - Standard, Tandem
| Front Axle | 66,475 lbs (30,153 kg)
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| Front Axle Weight - Loaded | 91,958 lbs (41,711 kg)
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| Rear Axle | 46,195 lbs (20,954 kg)
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| Rear Axle - Weight - Loaded | 95,712 lbs (43,414 kg)
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| Scraper Shipping | 66,412 lbs (30,124 kg)
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| Total Operating - Empty | 112,670 lbs (51,106 kg)
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| Total Operating - Loaded | 187,670 lbs (85,126 kg)
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| Total Shipping | 110,686 lbs (50,206 kg)
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| Tractor Shipping | 44,274 lbs (20,082 kg)
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