US
Metric

Overview

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.

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)
637.00 HP
475.00 kW
Net Power (ISO 14396)
637.00 HP
469.00 kW
Bore
5.70 in
145.00 mm
Stroke
7.20 in
183.00 mm
Displacement
1105.00 in³
18.10 l

Scraper Engine

Net Power
353 kW/447 hp
Gross Power (SAE J1995)
481.00 HP
359.00 kW
Net Power (ISO 14396)
480.00 HP
353.00 kW

Tractor Engine

Net Power (SAE J1349/ISO 9249)
592.00 HP
436.00 kW

Scraper Engine

Net Power (SAE J1349/ISO 9249)
415.00 HP
333.00 kW
Bore
5.40 in
137.20 mm
Stroke
6.75 in
171.50 mm
Displacement
928.00 in³
15.20 l

Scraper Bowl

Scraper Capacity - Heaped
44.00 yd³
33.60 m³
Rated Load
104058.00 lb
47200.00 kg
Capacity - Struck
32.00 yd³
24.50 m³
Depth of Cut - Maximum
16.40 in
417.00 mm
Width - Cut - To Router Bits
12.50 ft
3.80 m
Ground Clearance - Maximum
2.30 ft
0.70 m
Hyd. Penetration Force - 657G
121000.00 lb
542.00 kN
Depth of Spread - Maximum
26.00 in
660.00 mm
Apron Opening
92.00 in
2337.00 mm
Apron Closure Force
39200.00 lb
176.00 kN

Transmission

Top Speed - Loaded
33.00 mile/h
56.10 km/h
1 Forward
3.50 mile/h
5.70 km/h
2 Forward
6.50 mile/h
10.50 km/h
3 Forward
7.80 mile/h
12.50 km/h
4 Forward
10.60 mile/h
17.00 km/h
5 Forward
14.20 mile/h
22.80 km/h
6 Forward
19.20 mile/h
30.90 km/h
7 Forward
25.70 mile/h
41.40 km/h
8 Forward
34.90 mile/h
56.10 km/h
Reverse
6.70 mile/h
10.80 km/h

Hydraulics

Bowl Cylinder Bore
7.08 in
180.00 mm
Bowl Cylinder Stroke
37.40 in
950.00 mm
Apron Cylinder Bore
7.08 in
180.00 mm
Apron Cylinder Stroke
29.92 in
759.50 mm
Steering Circuit (@ High Idle)
76.08 gal/min
288.00 l/min
Cushion Hitch Circuit
19.54 gal/min
74.00 l/min
Secondary Steering Circuit
14.52 gal/hr
55.00 l/hr
Relief Valve - Steering Circuit
1959.00 psi
13500.00 kPa
Relief Valve - Implement Circuit
1999.00 psi
13780.00 kPa
Compensator Settings - Cushion Hitch Circuit
3002.00 psi
20700.00 kPa

Steering

Width - 180° Turn - Right
45.40 ft
13.85 m
Width - 180° Turn - Left
47.57 ft
14.50 m
Steering Angle - Right
90
Steering Angle - Left
85

Service Refill Capacities - Tractor

Crankcase
13.70 gal (US)
38.00 l
Transmission
35.90 gal (US)
136.00 l
Differential
36.00 gal (US)
136.00 l
Final Drive - Each
6.00 gal (US)
29.50 l
Cooling System
23.40 gal (US)
88.60 l
Hydraulic Reservoir
39.60 gal (US)
150.00 l
Windshield Washer
0.50 gal (US)
5.00 l

Service Refill Capacities - Scraper

Fuel Tank - 657G
430.00 gal (US)
1628.00 l
Crankcase
8.90 gal (US)
34.00 l
Transmission
31.90 gal (US)
121.00 l
Differential
44.00 gal (US)
168.00 l
Final Drive - Each
7.80 gal (US)
30.00 l
Cooling System
16.60 gal (US)
63.20 l

Dimensions

Width - Overall Machine
14.30 ft
4.36 m
Width - Tractor
12.30 ft
3.75 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
12.98 ft
3.93 m
Height - Overall Shipping
15.29 ft
4.66 m
Height - Top of Cab
12.86 ft
3.92 m
Ground Clearance - Tractor
2.30 ft
0.70 m
Front of Tractor to Front Axle
14.93 ft
4.55 m
Axle to Vertical Hitch Pin
1.80 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
17.97 m
Rear Axle - Rear of Machine
8.07 ft
2.46 m

Weights - Push-Pull

Total Shipping
160505.00 lb
72804.00 kg
Tractor Shipping
93635.00 lb
42472.00 kg
Scraper Shipping
64068.00 lb
29061.00 kg
Total Operating - Empty
164244.00 lb
74500.00 kg
Front Axle
93842.00 lb
42566.00 kg
Rear Axle
66663.00 lb
30238.00 kg
Total Operating - Loaded
268302.00 lb
121700.00 kg
Front Axle - Loaded
134165.00 lb
60856.00 kg
Rear Axle - Loaded
130340.00 lb
59121.00 kg

Service Refill Capacities - Scraper

Fuel Tank
430.00 gal (US)
1628.00 l

Tractor Engine

Net Power (SAE J1349/ISO 9249)
584.00 HP
436.00 kW

Hydraulics

Ejector Cylinder Stroke (Stage 1/ Stage 2)
38.32 in
973.50 mm
Implement Circuit (@ High Idle)
517.00 l/min
517.00 l/min
Features

BE MORE PRODUCTIVE

WORK IN COMFORT

DESIGNED FOR SAFETY

EASY TO OPERATE

INTEGRATED CAT TECHNOLOGIES

EXECUTE EFFICIENCY

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