- Category: Scrapers ➔
- Manufacturer: Caterpillar ➔
- Model: 657G ➔
The Caterpillar 657G Scraper is a heavy-duty earthmoving machine designed for maximum efficiency in moving large quantities of material on construction sites, mines, and other job sites. With a heaped capacity of 44 cubic yards and a rated payload of 104,058 pounds, this scraper is built to handle tough excavation tasks with ease. Equipped with a powerful Cat C15 engine for the scraper and a Cat C18 engine for the tractor, this machine boasts impressive power and performance. The dimensions and specifications of the Caterpillar 657G Scraper demonstrate its capability to tackle a wide range of projects, making it a reliable and versatile asset on any worksite.
General Specifications
Bowl
| Heaped Capacity | 44 cu yd (34 cu m)
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| Max Depth of Cut | 17 in (42 cm)
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| Rated Payload | 104,058 lbs (47,200 kg)
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| Struck Capacity | 32 cu yd (24 cu m)
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| Width of Cut | 13 ft (4 m)
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Dimensions
| Axle to Vertical Hitch Pin | 24 in (61 cm)
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| Bail Length - Maximum (Push-Pull) | 72 in (184 cm)
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| Front of Tractor to Front Axle | 148 in (377 cm)
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| Ground Clearance - Tractor | 25 in (65 cm)
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| Height - Overall Shipping | 185 in (471 cm)
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| Height - Scraper Blade Maximum | 27 in (68 cm)
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| Height - Top of Cab | 12 ft (4 m)
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| Length - Overall Machine | 636 in (1,616 cm)
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| Overall Height | 16 ft (5 m)
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| Overall Length | 53 ft (16 m)
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| Overall Width | 14 ft (4 m)
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| Rear Axle - Rear of Machine | 96 in (244 cm)
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| Tractor Ground Clearance | 2 ft (1 m)
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| Wheel Base | 36 ft (11 m)
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| Wheelbase | 33 ft (10 m)
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| Width - Inside of Bowl | 145 in (368 cm)
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| Width - Overall Machine | 171 in (434 cm)
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| Width - Rear Tire Center Lines | 111 in (281 cm)
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| Width - Tractor | 142 in (360 cm)
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Engine
| Flywheel Power - Tractor/Scraper | 447 kw (600) / 337 kW (451)
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| Scraper Engine | Cat C15 with ACERT Technology
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| Tractor Engine | Cat C18 with ACERT Technology
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Hydraulic System
| Apron Cylinder Bore | 9 in (24 cm)
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| Apron Cylinder Stroke | 30 in (76 cm)
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| Bowl Cylinder Bore | 9 in (24 cm)
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| Bowl Cylinder Stroke | 37 in (95 cm)
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| Compensator Settings - Cushion Hitch Circuit | 3002 psi
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| Cushion Hitch Circuit | 13 gpm (48 lpm)
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| Ejector Cylinder Bore | 10 in (26 cm)
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| Ejector Cylinder Stroke | 77 in (195 cm)
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| Relief Valve - Implement Circuit | 1999 psi
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| Relief Valve - Steering Circuit | 1959 psi
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| Scraper Circuit | 153 gpm (579 lpm)
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| Secondary Steering Circuit | 64 gpm (243 lpm)
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| Steering Circuit | 100 gpm (378 lpm)
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Operating Specifications
| Alternator Supplied Amperage | 75 amps
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| Cooling System Fluid Capacity | 56 gal (213 l)
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| Differential Fluid Capacity | 80 gal (301 l)
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| Engine Oil Fluid Capacity | 27 gal (102 l)
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| Fuel Capacity | 422 gal (1,597 l)
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| Hydraulic System Fluid Capacity | 80 gal (303 l)
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| Operating Voltage | 24 volts
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| Rated Load | 110,000 lbs (49,895 kg)
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| Scraper Capacity - Heaped | 73 cu yd (56 cu m)
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| Scraper Capacity - Struck | 59 cu yd (45 cu m)
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| Tire Size | 40.5/75 R39
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| Top Speed - Loaded | 33 mph (53 kph)
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| Transmission Fluid Capacity | 68 gal (257 l)
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| Wheel Coolant Fluid Capacity - each | 69 gal (260 l)
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Scraper Bowl
| Apron Closure Force | 39,200 lbs (17,781 kg)
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| Apron Opening | 92 in (234 cm)
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| Capacity - Struck | 32 cu yd (24 cu m)
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| Cutting Edge Thickness | 2 in (5 cm)
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| Depth of Cut - Maximum | 17 in (43 cm)
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| Depth of Spread - Maximum | 26 in (66 cm)
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| Ground Clearance - Maximum | 23 in (58 cm)
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| Rated Load | 104,000 lbs (47,174 kg)
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| Scraper Capacity - Heaped | 44 cu yd (34 cu m)
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| Width - Cut - To Router Bits | 13 in (32 cm)
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Scraper Engine
| Bore | 6 in (14 cm)
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| Displacement | 928 cu in (15,207 cu cm)
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| Gross Power | 478 hp (356 kw)
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| Make | Caterpillar
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| Stroke | 7 in (17 cm)
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Service Refill Capacities - Scraper
| Cooling System | 24 gal (91 l)
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| Differential | 44 gal (167 l)
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| Final Drive - Each | 8 gal (30 l)
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| Transmission | 32 gal (121 l)
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| Wheel Coolant - Each | 34 gal (130 l)
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Service Refill Capacities - Tractor
| Cooling System | 33 gal (125 l)
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| Crankcase | 17 gal (64 l)
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| Differential | 36 gal (136 l)
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| Final Drive - Each | 6 gal (23 l)
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| Hydraulic Reservoir | 80 gal (303 l)
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| Transmission | 36 gal (136 l)
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| Wheel Coolant - Each | 34 gal (130 l)
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| Windshield Washer | 1 gal (2 l)
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Steering System
| Steering Angle - Left | 85 degrees
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| Steering Angle - Right | 90 degrees
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Tractor Engine
| Bore | 6 in (14 cm)
|
| Displacement | 1,105 cu in (18,108 cu cm)
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| Flywheel Power - Tractor/Scraper | 447 kW (600) / 337 kW (451)
|
| Gross Power | 632 hp (471 kw)
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| Gross Power - Gears 3-8 | 632 hp (471 kw)
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| Make | Caterpillar
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| Net Power - Gears 1-2 | 564 hp (421 kw)
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| Net Power - Gears 3-8 | 600 hp (447 kw)
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| Stroke | 7 in (18 cm)
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Transmission
| 1 Forward | 4 mph (6 kph)
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| 2 Forward | 6 mph (10 kph)
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| 3 Forward | 8 mph (13 kph)
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| 4 Forward | 11 mph (17 kph)
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| 5 Forward | 14 mph (23 kph)
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| 6 Forward | 19 mph (31 kph)
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| 7 Forward | 26 mph (41 kph)
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| 8 Forward | 35 mph (56 kph)
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| Max Speed Forward | 36 mph (58 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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| Transmission Type | 8-speed automatic powershift with electronic control
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Weights
| Front Axel - loaded | 129,244 lbs (58,624 kg)
|
| Front Axle - empty | 89,650 lbs (40,665 kg)
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| Operating Weight - Loaded - Approximate | 268,817 lbs (121,933 kg)
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| Rear Axle - empty | 59,767 lbs (27,110 kg)
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| Rear Axle - loaded | 124,176 lbs (56,325 kg)
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| Total Operating - empty | 149,417 lbs (67,774 kg)
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| Total Operating - Loaded | 253,420 lbs (114,950 kg)
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Weights - Push-Pull
| Front Axle | 93,842 lbs (42,566 kg)
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| Front Axle - Loaded | 134,165 lbs (60,856 kg)
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| Rear Axle | 66,663 lbs (30,238 kg)
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| Rear Axle - Loaded | 130,340 lbs (59,121 kg)
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| Scraper Shipping | 64,068 lbs (29,061 kg)
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| Total Operating - Empty | 160,505 lbs (72,804 kg)
|
| Total Operating - Loaded | 264,505 lbs (119,978 kg)
|
| Total Shipping | 160,505 lbs (72,804 kg)
|
| Tractor Shipping | 93,635 lbs (42,472 kg)
|
Weights - Standard, Tandem
| Front Axle | 87,924 lbs (39,882 kg)
|
| Front Axle Weight - Loaded | 128,246 lbs (58,171 kg)
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| Rear Axle | 62,837 lbs (28,502 kg)
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| Rear Axle - Weight - Loaded | 126,515 lbs (57,386 kg)
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| Scraper Shipping | 60,242 lbs (27,325 kg)
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| Total Operating - Empty | 150,761 lbs (68,384 kg)
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| Total Operating - Loaded | 254,761 lbs (115,558 kg)
|
| Total Shipping | 147,959 lbs (67,113 kg)
|
| Tractor Shipping | 87,717 lbs (39,788 kg)
|
