657 Wheel Tractor-Scraper Request Quote Download a Product Brochure Exterior View Interior View Please contact your nearest store for rates and other details. Specifications Equipment Product Specs Engine Tractor Engine Cat® C18 Scraper Engine Cat® C15 Tractor Engine Flywheel Power - Tractor/Scraper 469kW (629 hp) / 353 kW (473 hp) Net Power 469 kW/637 hp Gross Power (SAE J1995) 637 hp Net Power (ISO 14396) 637 hp Bore 5.7 in Stroke 7.2 in Displacement 1105 in³ Net Power (SAE J1349/ISO 9249) 592 hp Scraper Bowl Scraper Capacity - Heaped 73 yd³ Rated Load 104058 lb Capacity - Struck 59 yd³ Depth of Cut - Maximum 16.4 in Width - Cut - To Router Bits 12.5 ft Ground Clearance - Maximum 2.3 ft Depth of Spread - Maximum 26 in Apron Opening 92 in Apron Closure Force 39200 lb Hyd. Penetration Force - 657G 121000 lb Transmission Top Speed - Loaded 33 mile/h 1 Forward 3.5 mile/h 2 Forward 6.5 mile/h 3 Forward 7.8 mile/h 4 Forward 10.6 mile/h 5 Forward 14.2 mile/h 6 Forward 19.2 mile/h 7 Forward 25.7 mile/h 8 Forward 34.9 mile/h Reverse 6.7 mile/h Scraper Engine Net Power 353 kW/447 hp Gross Power (SAE J1995) 481 hp Net Power (ISO 14396) 480 hp Bore 5.4 in Stroke 6.75 in Displacement 928 in³ Net Power (SAE J1349/ISO 9249) 452 hp Weights - Push-Pull Total Shipping 160505 lb Tractor Shipping 93635 lb Scraper Shipping 64068 lb Total Operating - Empty 164244 lb Front Axle 93842 lb Rear Axle 66663 lb Total Operating - Loaded 268302 lb Front Axle - Loaded 134165 lb Rear Axle - Loaded 130340 lb Dimensions Width - Overall Machine 14.3 ft Width - Tractor 12.3 ft Width - Rear Tire Center Lines 9.23 ft Width - Inside of Bowl 12.07 ft Width - Outside Bowl - Shipping Width 12.98 ft Height - Overall Shipping 15.27 ft Height - Top of Cab 12.86 ft Ground Clearance - Tractor 2.36 ft Front of Tractor to Front Axle 12.72 ft Axle to Vertical Hitch Pin 1.8 ft Height - Scraper Blade Maximum 2.17 ft Wheel Base 32.68 ft Length - Overall Machine 58.96 ft Rear Axle - Rear of Machine 8.07 ft Steering Width - 180° Turn - Right 45.4 ft Width - 180° Turn - Left 47.57 ft Steering Angle - Right 90 Steering Angle - Left 85 Service Refill Capacities - Tractor Crankcase 13.7 gal (US) Transmission 35.9 gal (US) Differential 36 gal (US) Cooling System 23.4 gal (US) Hydraulic Reservoir 39.6 gal (US) Windshield Washer 0.5 gal (US) Final Drive - Each 6 gal (US) Hydraulics Bowl Cylinder Bore 7.08 in Bowl Cylinder Stroke 37.4 in Apron Cylinder Bore 7.08 in Apron Cylinder Stroke 29.92 in Steering Circuit (@ High Idle) 76.08 gpm Cushion Hitch Circuit 19.54 gpm Secondary Steering Circuit 14.52 gal/hr Relief Valve - Steering Circuit 1959 psi Relief Valve - Implement Circuit 1999 psi Compensator Settings - Cushion Hitch Circuit 3002 psi Service Refill Capacities - Scraper Fuel Tank - 657G 430 gal (US) Crankcase 8.9 gal (US) Transmission 31.9 gal (US) Differential 44 gal (US) Cooling System 16.6 gal (US) Final Drive - Each 7.8 gal (US) 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