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.
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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
- Net Power (SAE J1349/ISO 9249)
- 584 hp
- Net Power (SAE J1349/ISO 9249)
- 592 hp
- Bore
- 5.7 in
- Stroke
- 7.2 in
- Displacement
- 1,105 in³
Engine
- Tractor Engine
- Cat C18
- Scraper Engine
- Cat C15
Scraper Bowl
- Scraper Capacity - Heaped
- 44 yd³
- Rated Load
- 104,058 lb
- Capacity - Struck
- 32 yd³
- Depth of Cut - Maximum
- 16.4 in
- Width - Cut - To Router Bits
- 12.5 ft
- Ground Clearance - Maximum
- 2.3 ft
- Hyd. Penetration Force - 657G
- 121,000 lb
- Depth of Spread - Maximum
- 26 in
- Apron Opening
- 92 in
- Apron Closure Force
- 39,200 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
- Net Power (SAE J1349/ISO 9249)
- 415 hp
- Bore
- 5.4 in
- Stroke
- 6.75 in
- Displacement
- 928 in³
Weights - Push-Pull
- Total Shipping
- 160,505 lb
- Tractor Shipping
- 93,635 lb
- Scraper Shipping
- 64,068 lb
- Total Operating - Empty
- 164,244 lb
- Front Axle
- 93,842 lb
- Rear Axle
- 66,663 lb
- Total Operating - Loaded
- 268,302 lb
- Front Axle - Loaded
- 134,165 lb
- Rear Axle - Loaded
- 130,340 lb
Dimensions
- Width - Overall Machine
- 14.3 ft
- Width - Tractor
- 12.3 ft
- Width - Rear Tire Center Lines
- 9.21 ft
- Width - Inside of Bowl
- 12.07 ft
- Width - Outside Bowl - Shipping Width
- 12.98 ft
- Height - Overall Shipping
- 15.29 ft
- Height - Top of Cab
- 12.86 ft
- Ground Clearance - Tractor
- 2.3 ft
- Front of Tractor to Front Axle
- 14.93 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)
- Final Drive - Each
- 6 gal (US)
- Cooling System
- 23.4 gal (US)
- Hydraulic Reservoir
- 39.6 gal (US)
- Windshield Washer
- 0.5 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
- Ejector Cylinder Stroke (Stage 1/ Stage 2)
- 38.32 in
- Steering Circuit (@ High Idle)
- 76.08 gal/min
- Implement Circuit (@ High Idle)
- 517 l/min
- Cushion Hitch Circuit
- 19.54 gal/min
- Secondary Steering Circuit
- 14.52 gal/hr
- Relief Valve - Steering Circuit
- 1,959 psi
- Relief Valve - Implement Circuit
- 1,999 psi
- Compensator Settings - Cushion Hitch Circuit
- 3,002 psi
Service Refill Capacities - Scraper
- Fuel Tank
- 430 gal (US)
- Crankcase
- 8.9 gal (US)
- Transmission
- 31.9 gal (US)
- Differential
- 44 gal (US)
- Final Drive - Each
- 7.8 gal (US)
- Cooling System
- 16.6 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
Optional Equipment:
Specifications
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
- Net Power (SAE J1349/ISO 9249)
- 584 hp
- Net Power (SAE J1349/ISO 9249)
- 592 hp
- Bore
- 5.7 in
- Stroke
- 7.2 in
- Displacement
- 1,105 in³
Engine
- Tractor Engine
- Cat C18
- Scraper Engine
- Cat C15
Scraper Bowl
- Scraper Capacity - Heaped
- 44 yd³
- Rated Load
- 104,058 lb
- Capacity - Struck
- 32 yd³
- Depth of Cut - Maximum
- 16.4 in
- Width - Cut - To Router Bits
- 12.5 ft
- Ground Clearance - Maximum
- 2.3 ft
- Hyd. Penetration Force - 657G
- 121,000 lb
- Depth of Spread - Maximum
- 26 in
- Apron Opening
- 92 in
- Apron Closure Force
- 39,200 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
- Net Power (SAE J1349/ISO 9249)
- 415 hp
- Bore
- 5.4 in
- Stroke
- 6.75 in
- Displacement
- 928 in³
Weights - Push-Pull
- Total Shipping
- 160,505 lb
- Tractor Shipping
- 93,635 lb
- Scraper Shipping
- 64,068 lb
- Total Operating - Empty
- 164,244 lb
- Front Axle
- 93,842 lb
- Rear Axle
- 66,663 lb
- Total Operating - Loaded
- 268,302 lb
- Front Axle - Loaded
- 134,165 lb
- Rear Axle - Loaded
- 130,340 lb
Dimensions
- Width - Overall Machine
- 14.3 ft
- Width - Tractor
- 12.3 ft
- Width - Rear Tire Center Lines
- 9.21 ft
- Width - Inside of Bowl
- 12.07 ft
- Width - Outside Bowl - Shipping Width
- 12.98 ft
- Height - Overall Shipping
- 15.29 ft
- Height - Top of Cab
- 12.86 ft
- Ground Clearance - Tractor
- 2.3 ft
- Front of Tractor to Front Axle
- 14.93 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)
- Final Drive - Each
- 6 gal (US)
- Cooling System
- 23.4 gal (US)
- Hydraulic Reservoir
- 39.6 gal (US)
- Windshield Washer
- 0.5 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
- Ejector Cylinder Stroke (Stage 1/ Stage 2)
- 38.32 in
- Steering Circuit (@ High Idle)
- 76.08 gal/min
- Implement Circuit (@ High Idle)
- 517 l/min
- Cushion Hitch Circuit
- 19.54 gal/min
- Secondary Steering Circuit
- 14.52 gal/hr
- Relief Valve - Steering Circuit
- 1,959 psi
- Relief Valve - Implement Circuit
- 1,999 psi
- Compensator Settings - Cushion Hitch Circuit
- 3,002 psi
Service Refill Capacities - Scraper
- Fuel Tank
- 430 gal (US)
- Crankcase
- 8.9 gal (US)
- Transmission
- 31.9 gal (US)
- Differential
- 44 gal (US)
- Final Drive - Each
- 7.8 gal (US)
- Cooling System
- 16.6 gal (US)
Standard/Optional Features
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
Optional Equipment: