- Category: Scrapers ➔
- Manufacturer: Caterpillar ➔
- Model: 637G ➔
Introducing the Caterpillar 637G Scraper, a powerhouse of efficiency and functionality in the world of heavy equipment. With impressive specs ranging from a heaped bowl capacity of 31 cubic yards to a top speed of 34.1 mph, this scraper is designed to handle a wide range of earthmoving tasks with ease. Featuring a Cat C9 engine for the scraper and a Cat C18 engine for the tractor, this machine delivers reliable power and performance. Whether tackling large-scale excavation projects or precision leveling jobs, the Caterpillar 637G Scraper is sure to exceed expectations in the most demanding work environments.
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 | 75,000 lbs (34,019 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
| Axle to Vertical Hitch Pin | 22 in (55 cm)
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| Bail Length - Maximum (Push-Pull) | 195 in (496 cm)
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| Extended Push Block (Push-Pull) | 108 in (274 cm)
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| Front of Tractor to Front Axle | 135 in (344 cm)
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| Ground Clearance - Tractor | 26 in (67 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 | 573 in (1,456 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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| Tractor Ground Clearance | 2 ft (1 m)
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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 (364 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 | 373 kw (500) / 211 kW (283)
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| Scraper Engine | Cat C9 with ACERT Technology
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| Tractor Engine | Cat C18 with ACERT Technology
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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 (19 cm)
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| Bowl Cylinder Stroke | 34 in (87 cm)
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| Compensator Settings - Cushion Hitch Circuit | 2320 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 | 2030 psi
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| Relief Valve - Steering Circuit | 1987 psi
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| Scraper Circuit | 91 gpm (344 lpm)
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| Secondary Steering Circuit | 100 gpm (379 lpm)
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| Steering Circuit | 100 gpm (379 lpm)
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Operating Specifications
| Alternator Supplied Amperage | 75 amps
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| Cooling System Fluid Capacity | 52 gal (197 l)
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| Differential Fluid Capacity | 41 gal (153 l)
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| Engine Oil Fluid Capacity | 19 gal (72 l)
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| Fuel Capacity | 335 gal (1,268 l)
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| Hydraulic System Fluid Capacity | 50 gal (189 l)
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| Operating Voltage | 24 volts
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| Rated Load | 76,000 lbs (34,473 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 | 37.50-R35
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| Top Speed - Loaded | 33 mph (53 kph)
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| Transmission Fluid Capacity | 46 gal (173 l)
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| Wheel Coolant Fluid Capacity - each | 39 gal (148 l)
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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 | 24 cu yd (18 cu m)
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| Cutting Edge Thickness | 1 in (3 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 | 82,260 lbs (37,313 kg)
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| Scraper Capacity - Heaped | 34 cu yd (26 cu m)
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| Width - Cut - To Router Bits | 138 in (351 cm)
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Scraper Engine
| Bore | 5 in (11 cm)
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| Displacement | 538 cu in (8,816 cu cm)
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| Gross Power | 270 hp (201 kw)
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| Gross Power - Gear 1 | 274 hp (204 kw)
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| Make | Caterpillar
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| Net Power - Gear 1 | 249 hp (186 kw)
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| Stroke | 6 in (15 cm)
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Service Refill Capacities - Scraper
| Cooling System | 20 gal (76 l)
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| Differential | 3 gal (12 l)
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| Final Drive - Each | 5 gal (19 l)
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| Transmission | 19 gal (72 l)
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| Wheel Coolant - Each | 20 gal (75 l)
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Service Refill Capacities - Tractor
| Cooling System | 29 gal (110 l)
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| Crankcase | 12 gal (45 l)
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| Differential | 39 gal (148 l)
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| Final Drive - Each | 6 gal (23 l)
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| Hydraulic Reservoir | 50 gal (190 l)
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| Transmission | 29 gal (110 l)
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| Wheel Coolant - Each | 20 gal (75 l)
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| Windshield Washer | 2 gal (6 l)
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Standards
Steering System
| Hydraulic Output | 100 gpm (379 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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| Displacement | 1,099 cu in (18,009 cu cm)
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| Flywheel Power - Tractor/Scraper | 336 kW (450) / 186 kW (249)
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| Gross Power | 515 hp (384 kw)
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| Gross Power - Gears 3-8 | 519 hp (387 kw)
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| Make | Caterpillar
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| Net Power - Gears 1-2 | 450 hp (336 kw)
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| Net Power - Gears 3-8 | 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 | 34 mph (55 kph)
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| Max Speed Reverse | 6 mph (10 kph)
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| Number of Forward Gears | 8
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| Number of Reverse Gears | 1
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| Reverse | 6 mph (10 kph)
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| Top Speed - Loaded | 33 mph (53 kph)
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Weights
| Front Axel - loaded | 92,975 lbs (42,173 kg)
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| Front Axle - empty | 67,700 lbs (30,708 kg)
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| Operating Weight | 114,744 lbs (52,047 kg)
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| Operating Weight - Loaded - Approximate | 194,909 lbs (88,409 kg)
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| Rear Axle - empty | 47,045 lbs (21,339 kg)
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| Rear Axle - loaded | 96,770 lbs (43,894 kg)
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| Total Operating - empty | 114,745 lbs (52,048 kg)
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| Total Operating - Loaded | 189,745 lbs (86,067 kg)
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Weights - Push-Pull
| Front Axle | 69,670 lbs (31,602 kg)
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| Front Axle - Loaded | 98,139 lbs (44,515 kg)
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| Rear Axle | 48,414 lbs (21,960 kg)
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| Rear Axle - Loaded | 102,145 lbs (46,332 kg)
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| Scraper Shipping | 47,601 lbs (21,591 kg)
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| Total Operating - Empty | 118,084 lbs (53,562 kg)
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| Total Operating - Loaded | 200,284 lbs (90,847 kg)
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| Total Shipping | 116,100 lbs (52,662 kg)
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| Tractor Shipping | 68,499 lbs (31,071 kg)
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Weights - Standard, Tandem
| Front Axle | 67,700 lbs (30,708 kg)
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| Front Axle Weight - Loaded | 96,503 lbs (43,773 kg)
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| Rear Axle | 47,044 lbs (21,339 kg)
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| Rear Axle - Weight - Loaded | 100,441 lbs (45,559 kg)
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| Scraper Shipping | 46,231 lbs (20,970 kg)
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| Total Operating - Empty | 114,744 lbs (52,047 kg)
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| Total Operating - Loaded | 196,944 lbs (89,332 kg)
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| Total Shipping | 112,760 lbs (51,147 kg)
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| Tractor Shipping | 66,529 lbs (30,177 kg)
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