657

657 Wheel Tractor-Scraper

657

Cat® Wheel Tractor-Scraper 657 twin engine has the power to boost productivity by utilize push-pull loading. Combine this ability with improvements in productivity, enhancements in operator comfort, and new safety features – Powered Access System and effective wet disc brakes – and you have a machine offering high returns on profit and time.

Flywheel Power - Tractor/Scraper

469kW (637 hp) / 353 kW (479 hp)

Scraper Capacity - Heaped

44 yd³ / 33.6 m³

Top Speed - Loaded

33 mile/h / 56.1 km/h
  • Specifications
  • Standard / Optional Features
  • Overview
    • Long Name -657 Wheel Tractor-Scraper
    • Name -657
    • Brand -Caterpillar
    • Status -Current
  • Engine
    • Tractor Engine - Cat® C18
    • Scraper Engine - Cat® C15
  • Tractor Engine
    • Flywheel Power - Tractor/Scraper - 469kW (637 hp) / 353 kW (479 hp)
    • Net Power - 469 kW/637 hp
    • Gross Power (SAE J1995) - 637 hp / 475 kW
    • Net Power (ISO 14396) - 637 hp / 469 kW
    • Bore - 5.7 in / 145 mm
    • Stroke - 7.2 in / 183 mm
    • Displacement - 1105 in³ / 18.1 l
    • Net Power (SAE J1349/ISO 9249) - 584 hp / 436 kW
    • Net Power (SAE J1349/ISO 9249) - 592 hp / 436 kW
  • Scraper Engine
    • Net Power - 353 kW/447 hp
    • Gross Power (SAE J1995) - 481 hp / 359 kW
    • Net Power (ISO 14396) - 480 hp / 353 kW
    • Bore - 5.4 in / 137.2 mm
    • Stroke - 6.75 in / 171.5 mm
    • Displacement - 928 in³ / 15.2 l
    • Net Power (SAE J1349/ISO 9249) - 415 hp / 333 kW
  • Scraper Bowl
    • Scraper Capacity - Heaped - 44 yd³ / 33.6 m³
    • Rated Load - 104000 lb / 47174 kg
    • Capacity - Struck - 32 yd³ / 24.5 m³
    • Depth of Cut - Maximum - 16.4 in / 417 mm
    • Width - Cut - To Router Bits - 12.5 ft / 3.8 m
    • Ground Clearance - Maximum - 2.3 ft / 0.7 m
    • Depth of Spread - Maximum - 26 in / 660 mm
    • Apron Opening - 92 in / 2337 mm
    • Apron Closure Force - 39200 lb / 176 kN
    • Hyd. Penetration Force - 657G - 121000 lb / 542 kN
  • General
    • Top Speed - Loaded - 33 mile/h / 56.1 km/h
  • Transmission
    • 1 Forward - 3.5 mile/h / 5.7 km/h
    • 2 Forward - 6.5 mile/h / 10.5 km/h
    • 3 Forward - 7.8 mile/h / 12.5 km/h
    • 4 Forward - 10.6 mile/h / 17 km/h
    • 5 Forward - 14.2 mile/h / 22.8 km/h
    • 6 Forward - 19.2 mile/h / 30.9 km/h
    • 7 Forward - 25.7 mile/h / 41.4 km/h
    • 8 Forward - 34.9 mile/h / 56.1 km/h
    • Reverse - 6.7 mile/h / 10.8 km/h
    • Top Speed - Loaded - 33 mile/h / 56.1 km/h
  • Hydraulics
    • Bowl Cylinder Bore - 7.08 in / 180 mm
    • Bowl Cylinder Stroke - 37.4 in / 950 mm
    • Apron Cylinder Bore - 7.08 in / 180 mm
    • Apron Cylinder Stroke - 29.92 in / 759.5 mm
    • Ejector Cylinder Stroke (Stage 1/ Stage 2) - 38.32 in / 973.5 mm
    • Steering Circuit (@ High Idle) - 76.08 gpm / 288 L/min
    • Implement Circuit (@ High Idle) - 517 L/min / 517 L/min
    • Cushion Hitch Circuit - 19.54 gpm / 74 L/min
    • Secondary Steering Circuit - 14.52 gal/hr / 55 l/hr
    • Relief Valve - Steering Circuit - 1959 psi / 13500 kPa
    • Relief Valve - Implement Circuit - 1999 psi / 13780 kPa
    • Compensator Settings - Cushion Hitch Circuit - 3002 psi / 20700 kPa
  • Steering
    • Width - 180° Turn - Right - 45.4 ft / 13.85 m
    • Width - 180° Turn - Left - 47.57 ft / 14.5 m
    • Steering Angle - Right - 90
    • Steering Angle - Left - 85
  • Service Refill Capacities - Tractor
    • Crankcase - 13.7 gal (US) / 38 l
    • Transmission - 35.9 gal (US) / 136 l
    • Final Drive - Each - 6 gal (US) / 29.5 l
    • Cooling System - 23.4 gal (US) / 88.6 l
    • Hydraulic Reservoir - 39.6 gal (US) / 150 l
    • Windshield Washer - 0.5 gal (US) / 5 l
    • Differential - 36 gal (US) / 136 l
  • Service Refill Capacities - Scraper
    • Fuel Tank - 430 gal (US) / 1628 l
    • Crankcase - 8.9 gal (US) / 34 l
    • Transmission - 31.9 gal (US) / 121 l
    • Final Drive - Each - 7.8 gal (US) / 30 l
    • Cooling System - 16.6 gal (US) / 63.2 l
    • Differential - 44 gal (US) / 168 l
  • Dimensions
    • Width - Overall Machine - 14.3 ft / 4.36 m
    • Width - Tractor - 12.3 ft / 3.62 m
    • Width - Rear Tire Center Lines - 9.21 ft / 2.81 m
    • Width - Inside of Bowl - 12.07 ft / 3.68 m
    • Width - Outside Bowl - Shipping Width - 12.84 ft / 3.91 m
    • Height - Overall Shipping - 15.29 ft / 4.66 m
    • Height - Top of Cab - 12.86 ft / 3.92 m
    • Ground Clearance - Tractor - 2.3 ft / 0.7 m
    • Front of Tractor to Front Axle - 14.93 ft / 4.63 m
    • Axle to Vertical Hitch Pin - 1.8 ft / 0.55 m
    • Height - Scraper Blade Maximum - 2.17 ft / 0.66 m
    • Wheel Base - 32.68 ft / 9.96 m
    • Length - Overall Machine - 58.96 ft / 17.05 m
    • Rear Axle - Rear of Machine - 8.07 ft / 2.46 m
  • Weights - Push-Pull
    • Total Shipping - 160505 lb / 72804 kg
    • Tractor Shipping - 93635 lb / 42472 kg
    • Scraper Shipping - 64068 lb / 29061 kg
    • Total Operating - Empty - 164244 lb / 74500 kg
    • Front Axle - 93842 lb / 42566 kg
    • Rear Axle - 66663 lb / 30238 kg
    • Total Operating - Loaded - 268302 lb / 121700 kg
    • Front Axle - Loaded - 134165 lb / 60856 kg
    • Rear Axle - Loaded - 130340 lb / 59121 kg
  • Standard Equipment

    • note
      • Standard and optional equipment may vary. Consult your Cat dealer for details.
    • electrical
      • Alarm, backup
      • Alternator, 115 amp - tractor engine
      • Alternator, 65 amp - scraper engine
      • Batteries Tractor (4), 12V Maintenance Free, High Output
      • Batteries Scraper (4), 12V Maintenance Free, High Output
      • Electrical System, 24V
      • Lighting System - Tractor
      • Lighting System - Scraper
      • Starting Receptacle - tractor and scraper engines
    • operator environment
      • Air Conditioner (includes heater and defroster)
      • Automotive style fuse panel with fuse puller
      • Lunch box platform with holding strap
      • Coat Hook
      • Cup holder
      • Diagnostic Connection Port (12V)
      • Dome Courtesy Light
      • Engine speed lock
      • Fan defroster
      • Gauge Group
      • Horn
      • Implement Control Joystick
      • Rearview Mirrors
      • Radio Ready
      • 2 radio openings, speakers, and 5-amp converter
      • ROPS Cab with Sound Suppression and Pressurization
      • Static Seatbelt, 2 piece
      • Scraper Engine Controls
      • Seat, Air Suspension, Cat Advanced Ride Management
      • Steering Wheel - tilt and telescoping
      • Storage Compartment
      • Transmission Hold
      • Windows - sliding side
      • Windshield - laminated glass
      • Windshield Wiper/Washer - front and rear
      • Wrist Rest/Grab Handle
    • power train
      • Tractor
      • Scraper
    • other standard equipment
      • Tractor
      • Scraper