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    Caterpillar 657G Scraper Specs

    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.


    Bowl

    Caterpillar 657G Scraper Bowl specifications
    Heaped Capacity 44.00 cu yd (33.64 cu m)
    Max Depth of Cut 16.70 in (42.42 cm)
    Rated Payload 104,058.00 lbs (47,199.97 kg)
    Struck Capacity 32.00 cu yd (24.46 cu m)
    Width of Cut 12.50 ft (3.81 m)

    Dimensions

    Caterpillar 657G Scraper Dimensions specifications
    Axle to Vertical Hitch Pin 24.00 in (60.96 cm)
    Bail Length - Maximum (Push-Pull) 72.30 in (183.64 cm)
    Front of Tractor to Front Axle 148.40 in (376.94 cm)
    Ground Clearance - Tractor 25.40 in (64.52 cm)
    Height - Overall Shipping 185.40 in (470.92 cm)
    Height - Scraper Blade Maximum 26.80 in (68.07 cm)
    Height - Top of Cab 12.20 ft (3.72 m)
    Length - Overall Machine 636.40 in (1,616.46 cm)
    Overall Height 15.50 ft (4.72 m)
    Overall Length 53.10 ft (16.18 m)
    Overall Width 14.30 ft (4.36 m)
    Rear Axle - Rear of Machine 96.00 in (243.84 cm)
    Tractor Ground Clearance 2.20 ft (0.67 m)
    Wheel Base 36.10 ft (11.00 m)
    Wheelbase 32.70 ft (9.97 m)
    Width - Inside of Bowl 145.00 in (368.30 cm)
    Width - Overall Machine 171.00 in (434.34 cm)
    Width - Rear Tire Center Lines 110.80 in (281.43 cm)
    Width - Tractor 141.80 in (360.17 cm)

    Engine

    Caterpillar 657G Scraper Engine specifications
    Flywheel Power - Tractor/Scraper 447 kw (600) / 337 kW (451)
    Scraper Engine Cat C15 with ACERT Technology
    Tractor Engine Cat C18 with ACERT Technology

    Hydraulic System

    Caterpillar 657G Scraper Hydraulic System specifications
    Apron Cylinder Bore 9.30 in (23.62 cm)
    Apron Cylinder Stroke 30.00 in (76.20 cm)
    Bowl Cylinder Bore 9.30 in (23.62 cm)
    Bowl Cylinder Stroke 37.40 in (95.00 cm)
    Compensator Settings - Cushion Hitch Circuit 3002 psi
    Cushion Hitch Circuit 12.70 gpm (48.07 lpm)
    Ejector Cylinder Bore 10.30 in (26.16 cm)
    Ejector Cylinder Stroke 76.70 in (194.82 cm)
    Relief Valve - Implement Circuit 1999 psi
    Relief Valve - Steering Circuit 1959 psi
    Scraper Circuit 153.00 gpm (579.11 lpm)
    Secondary Steering Circuit 64.20 gpm (243.00 lpm)
    Steering Circuit 99.90 gpm (378.12 lpm)

    Operating Specifications

    Caterpillar 657G Scraper Operating Specifications specifications
    Alternator Supplied Amperage 75 amps
    Cooling System Fluid Capacity 56.30 gal (213.10 l)
    Differential Fluid Capacity 79.50 gal (300.91 l)
    Engine Oil Fluid Capacity 26.90 gal (101.82 l)
    Fuel Capacity 421.90 gal (1,596.89 l)
    Hydraulic System Fluid Capacity 80.00 gal (302.80 l)
    Operating Voltage 24 volts
    Rated Load 110,000.00 lbs (49,895.22 kg)
    Scraper Capacity - Heaped 73.00 cu yd (55.81 cu m)
    Scraper Capacity - Struck 59.00 cu yd (45.11 cu m)
    Tire Size 40.5/75 R39
    Top Speed - Loaded 33.00 mph (53.11 kph)
    Transmission Fluid Capacity 68.00 gal (257.38 l)
    Wheel Coolant Fluid Capacity - each 68.60 gal (259.65 l)

    Scraper Bowl

    Caterpillar 657G Scraper Scraper Bowl specifications
    Apron Closure Force 39,200.00 lbs (17,780.84 kg)
    Apron Opening 92.00 in (233.68 cm)
    Capacity - Struck 32.00 cu yd (24.46 cu m)
    Cutting Edge Thickness 1.80 in (4.57 cm)
    Depth of Cut - Maximum 17.00 in (43.18 cm)
    Depth of Spread - Maximum 26.00 in (66.04 cm)
    Ground Clearance - Maximum 23.00 in (58.42 cm)
    Rated Load 104,000.00 lbs (47,173.67 kg)
    Scraper Capacity - Heaped 44.00 cu yd (33.64 cu m)
    Width - Cut - To Router Bits 12.70 in (32.26 cm)

    Scraper Engine

    Caterpillar 657G Scraper Scraper Engine specifications
    Bore 5.50 in (13.97 cm)
    Displacement 928.00 cu in (15,207.23 cu cm)
    Gross Power 478.00 hp (356.45 kw)
    Make Caterpillar
    Stroke 6.50 in (16.51 cm)

    Service Refill Capacities - Scraper

    Caterpillar 657G Scraper Service Refill Capacities - Scraper specifications
    Cooling System 24.00 gal (90.84 l)
    Differential 44.00 gal (166.54 l)
    Final Drive - Each 7.90 gal (29.90 l)
    Transmission 32.00 gal (121.12 l)
    Wheel Coolant - Each 34.30 gal (129.83 l)

    Service Refill Capacities - Tractor

    Caterpillar 657G Scraper Service Refill Capacities - Tractor specifications
    Cooling System 33.00 gal (124.91 l)
    Crankcase 17.00 gal (64.35 l)
    Differential 36.00 gal (136.26 l)
    Final Drive - Each 6.00 gal (22.71 l)
    Hydraulic Reservoir 80.00 gal (302.80 l)
    Transmission 36.00 gal (136.26 l)
    Wheel Coolant - Each 34.30 gal (129.83 l)
    Windshield Washer 0.50 gal (1.89 l)

    Steering System

    Caterpillar 657G Scraper Steering System specifications
    Steering Angle - Left 85 degrees
    Steering Angle - Right 90 degrees

    Tractor Engine

    Caterpillar 657G Scraper Tractor Engine specifications
    Bore 5.70 in (14.48 cm)
    Displacement 1,105.00 cu in (18,107.75 cu cm)
    Flywheel Power - Tractor/Scraper 447 kW (600) / 337 kW (451)
    Gross Power 632.00 hp (471.29 kw)
    Gross Power - Gears 3-8 632.00 hp (471.29 kw)
    Make Caterpillar
    Net Power - Gears 1-2 564.00 hp (420.58 kw)
    Net Power - Gears 3-8 600.00 hp (447.43 kw)
    Stroke 7.20 in (18.29 cm)

    Transmission

    Caterpillar 657G Scraper Transmission specifications
    1 Forward 3.50 mph (5.63 kph)
    2 Forward 6.30 mph (10.14 kph)
    3 Forward 7.80 mph (12.55 kph)
    4 Forward 10.60 mph (17.06 kph)
    5 Forward 14.10 mph (22.69 kph)
    6 Forward 19.00 mph (30.58 kph)
    7 Forward 25.60 mph (41.20 kph)
    8 Forward 34.60 mph (55.68 kph)
    Max Speed Forward 36.00 mph (57.94 kph)
    Max Speed Reverse 6.00 mph (9.66 kph)
    Number of Forward Gears 8
    Number of Reverse Gears 1
    Reverse 6.10 mph (9.82 kph)
    Top Speed - Loaded 33.00 mph (53.11 kph)
    Transmission Type 8-speed automatic powershift with electronic control

    Weights

    Caterpillar 657G Scraper Weights specifications
    Front Axel - loaded 129,244.00 lbs (58,624.17 kg)
    Front Axle - empty 89,650.00 lbs (40,664.61 kg)
    Operating Weight - Loaded - Approximate 268,817.00 lbs (121,933.49 kg)
    Rear Axle - empty 59,767.00 lbs (27,109.89 kg)
    Rear Axle - loaded 124,176.00 lbs (56,325.36 kg)
    Total Operating - empty 149,417.00 lbs (67,774.50 kg)
    Total Operating - Loaded 253,420.00 lbs (114,949.52 kg)

    Weights - Push-Pull

    Caterpillar 657G Scraper Weights - Push-Pull specifications
    Front Axle 93,842.00 lbs (42,566.07 kg)
    Front Axle - Loaded 134,165.00 lbs (60,856.30 kg)
    Rear Axle 66,663.00 lbs (30,237.87 kg)
    Rear Axle - Loaded 130,340.00 lbs (59,121.30 kg)
    Scraper Shipping 64,068.00 lbs (29,060.79 kg)
    Total Operating - Empty 160,505.00 lbs (72,803.93 kg)
    Total Operating - Loaded 264,505.00 lbs (119,977.60 kg)
    Total Shipping 160,505.00 lbs (72,803.93 kg)
    Tractor Shipping 93,635.00 lbs (42,472.17 kg)

    Weights - Standard, Tandem

    Caterpillar 657G Scraper Weights - Standard, Tandem specifications
    Front Axle 87,924.00 lbs (39,881.71 kg)
    Front Axle Weight - Loaded 128,246.00 lbs (58,171.48 kg)
    Rear Axle 62,837.00 lbs (28,502.42 kg)
    Rear Axle - Weight - Loaded 126,515.00 lbs (57,386.31 kg)
    Scraper Shipping 60,242.00 lbs (27,325.35 kg)
    Total Operating - Empty 150,761.00 lbs (68,384.12 kg)
    Total Operating - Loaded 254,761.00 lbs (115,557.79 kg)
    Total Shipping 147,959.00 lbs (67,113.16 kg)
    Tractor Shipping 87,717.00 lbs (39,787.81 kg)
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