657G Wheel Tractor- Scraper

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657G Wheel Tractor- Scraper

Responsible, productive earthmoving machines, built to last.Quick loading, high travel speeds and the ability to load and dump on the run yield fast cycle times, allowing Cat® Wheel Tractor-Scrapers to deliver a high rate of productivity.
  • Standard Equipment
  • Specs

Standard Equipment

  • ELECTRICAL
    • Alarm, backup
    • Alternator, 80 amp - tractor engine
    • Alternator, 50 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
    • Cigarette Lighter and Ashtray
    • 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
    • Scraper Engine Controls
    • Seat, Air Suspension, Caterpillar Comfort, cloth
    • Steering Wheel - tilt and telescoping
    • Storage Compartment
    • Transmission Hold
    • Windows - sliding side, swing out
    • Windshield - laminated glass
    • Windshield Wiper/Washer - front and rear
    • Wrist Rest/Grab Handle
  • POWER TRAIN
    • Tractor
    • Scraper
  • OTHER STANDARD EQUIPMENT
    • Tractor
    • Scraper

Specs

Overview

Long Name:
657G Wheel Tractor-Scraper
Name:
657G
Brand:
Caterpillar
Status:
Current

Engine

Tractor Engine:
Cat® C18 ACERT™
Scraper Engine:
Cat C15 ACERT

Tractor Engine

Flywheel Power - Tractor/Scraper:
447 kW (600 hp) / 337 kW (451 hp)
Net Power:
421/447 kW 564/600 hp
Gross Power - Gears 1-2:
596 HP / 445 kW
Gross Power - Gears 3-8:
632 HP / 471 kW
Net Power - Gears 1-2:
564 HP / 421 kW
Net Power - Gears 3-8:
600 HP / 447 kW
Bore:
5.7 in / 145 mm
Stroke:
7.2 in / 183 mm
Displacement:
1105 in³ / 18.1 l

Scraper Engine

Net Power:
306/337 kW 410/451 hp
Gross Power - Gears 1-2:
437 HP / 326 kW
Gross Power - Gears 3-8:
478 HP / 356 kW
Net Power - Gears 1-2:
410 HP / 306 kW
Net Power - Gears 3-8:
451 HP / 337 kW
Bore:
5.5 in / 140 mm
Stroke:
6.5 in / 165 mm
Displacement:
928 in³ / 15.2 l

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:
17 in / 440 mm
Width - Cut - To Router Bits:
12.7 in / 3846 mm
Ground Clearance - Maximum:
23 in / 580 mm
Cutting Edge Thickness:
1.8 in / 45 mm
Hyd. Penetration Force - 657G:
121000 lb / 542 kN
Depth of Spread - Maximum:
26 in / 660 mm
Apron Opening:
92 in / 2337 mm
Apron Closure Force:
39200 lb / 176 kN

Transmission

Top Speed - Loaded:
33 mile/h / 55.7 km/h
1 Forward:
3.5 mile/h / 5.6 km/h
2 Forward:
6.3 mile/h / 10.2 km/h
3 Forward:
7.8 mile/h / 12.5 km/h
4 Forward:
10.6 mile/h / 17 km/h
5 Forward:
14.1 mile/h / 22.7 km/h
6 Forward:
19 mile/h / 30.6 km/h
7 Forward:
25.6 mile/h / 41.2 km/h
8 Forward:
34.6 mile/h / 55.7 km/h
Reverse:
6.1 mile/h / 9.8 km/h

Hydraulics

Bowl Cylinder Bore:
9.25 in / 235 mm
Bowl Cylinder Stroke:
37.4 in / 950 mm
Apron Cylinder Bore:
9.25 in / 235 mm
Apron Cylinder Stroke:
29.92 in / 760 mm
Ejector Cylinder Bore:
10.24 in / 260 mm
Ejector Cylinder Stroke:
76.61 in / 1946 mm
Steering Circuit:
99.9 gal/min / 378 l/min
Scraper Circuit:
153 gal/min / 579 l/min
Cushion Hitch Circuit:
12.7 gal/min / 48 l/min
Secondary Steering Circuit:
64.2 gal/min / 243 l/min
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:
44.62 ft / 13.6 m
Width - 180° Turn - Left:
47.57 ft / 14.5 m
Steering Angle - Right:
90°
Steering Angle - Left:
85°

Service Refill Capacities - Tractor

Crankcase:
17 gal (US) / 64 l
Transmission:
36 gal (US) / 136 l
Differential:
36 gal (US) / 136 l
Final Drive - Each:
6 gal (US) / 23 l
Cooling System:
33 gal (US) / 125 l
Hydraulic Reservoir:
80 gal (US) / 303 l
Wheel Coolant - Each:
34.3 gal (US) / 130 l
Windshield Washer:
0.5 gal (US) / 2 l

Service Refill Capacities - Scraper

Fuel Tank - 657G:
421.9 gal (US) / 1597 l
Crankcase:
10 gal (US) / 38 l
Transmission:
32 gal (US) / 121 l
Differential:
44 gal (US) / 168 l
Final Drive - Each:
7.9 gal (US) / 30 l
Wheel Coolant - Each:
34.3 gal (US) / 130 l
Cooling System:
24 gal (US) / 89 l

Dimensions

Width - Overall Machine:
171 in / 4344 mm
Width - Tractor:
141.77 in / 3601 mm
Width - Rear Tire Center Lines:
110.75 in / 2813 mm
Width - Inside of Bowl:
145 in / 3683 mm
Width - Outside Bowl - Shipping Width:
154 in / 3914 mm
Height - Overall Shipping:
185.4 in / 4710 mm
Height - Top of Cab:
146.14 in / 3712 mm
Ground Clearance - Tractor:
25.39 in / 645 mm
Front of Tractor to Front Axle:
148.4 in / 3770 mm
Axle to Vertical Hitch Pin:
23.94 in / 608 mm
Height - Scraper Blade Maximum:
26.77 in / 680 mm
Wheel Base:
391.97 in / 9956 mm
Length - Overall Machine:
636.38 in / 16164 mm
Rear Axle - Rear of Machine:
95.98 in / 2438 mm
Bail Length - Maximum (Push-Pull):
72.28 in / 1836 mm

Weights - Standard, Tandem

Total Shipping:
147959 lb / 67113 kg
Tractor Shipping:
87717 lb / 39788 kg
Scraper Shipping:
60242 lb / 27325 kg
Total Operating - Empty:
150761 lb / 68384 kg
Front Axle:
87924 lb / 39881 kg
Rear Axle:
62837 lb / 28503 kg
Total Operating - Loaded:
254761 lb / 115558 kg
Front Axle Weight - Loaded:
128246 lb / 58172 kg
Rear Axle - Weight - Loaded:
126515 lb / 57386 kg

Weights - Push-Pull

Total Shipping:
160505 lb / 72804 kg
Tractor Shipping:
93635 lb / 42472 kg
Scraper Shipping:
64068 lb / 29061 kg
Total Operating - Empty:
160505 lb / 72804 kg
Front Axle:
93842 lb / 42566 kg
Rear Axle:
66663 lb / 30238 kg
Total Operating - Loaded:
264505 lb / 119978 kg
Front Axle - Loaded:
134165 lb / 60856 kg
Rear Axle - Loaded:
130340 lb / 59121 kg