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637 Coal Bowl

At a glance data:

Emissions:
Cat® C9.3 and Cat® C18 engines meet U.S. EPA Tier 4 Final/EU Stage IV engine emission standards.
Engine Model - Tractor:
Cat® C18
Engine Model - Scraper:
Cat® C9.3
Rated Engine RPM - Tractor:
1900r/min
637 Coal Bowl Scraper

Overview

637 coal bowls are longer and higher than standard wheel tractor scraper bowls, allowing them to haul 38 m (50 yd) of low density loose coal. The bowls are designed and built to specifically deliver in coming loose coal to the stock pile and reserve stock piled coal to the feeder system.

Category:
Coal Bowl Scrapers

Brand:
Caterpillar

General

Emissions:
Cat® C9.3 and Cat® C18 engines meet U.S. EPA Tier 4 Final/EU Stage IV engine emission standards.
Engine Model - Tractor:
Cat® C18
Engine Model - Scraper:
Cat® C9.3
Rated Engine RPM - Tractor:
1900r/min
Rated Engine RPM - Scraper:
2150r/min
Flywheel Power - Tractor:
570hp
Flywheel Power - Scraper:
290hp
Overall Width:
12.93ft
Overall Shipping Height:
13.62ft
Scraper Capacity - Struck:
41yd³
Scraper Capacity - Heaped:
50yd³
Rated Load:
34 472 kg (76,000 lb)/34.20 tonnes (38 tons)
Width - Cut:
11.5ft
Maximum Depth of Cut:
17.7in
Maximum Depth of Spread:
21.1in
Top Speed - Loaded:
34.7mile/h
180° Curb-to-Curb Turning Width:
42.59ft
Tires - Tractor:
37.25R35**E3
Tires - Scraper:
37.25R35**E3
Overall Length:
609.5in
Operating Weight - Empty:
117782lb

Engine

Flywheel Power - Tractor/Scraper:
425 kW (570 hp)/216 kW (290 hp)

Travel Speeds - Runout

Transmission Gear - First:
3.4mile/h
Transmission Gear - Second:
6.2mile/h
Transmission Gear - Third:
7.7mile/h
Transmission Gear - Fourth:
10.5mile/h
Transmission Gear - Fifth:
14.1mile/h
Transmission Gear - Sixth:
19mile/h
Transmission Gear - Seventh:
25.7mile/h
Transmission Gear - Eighth:
34.7mile/h
Transmission Gear - Reverse:
6.2mile/h

Service Refill Capacities

Real Wheels (Each):
2.37gal (US)
Crankcase - Scraper:
6.5gal (US)
Crankcase - Tractor:
13.7gal (US)
Transmission System - Tractor:
29gal (US)
Cooling System - Tractor:
19.8gal (US)
Cooling System - Scraper:
16.1gal (US)
Transmission System - Scraper:
12.9gal (US)
Fuel Tank:
370gal (US)
Diesel Exhaust Fluid - Tractor:
8gal (US)
Hydraulic System:
37.5gal (US)
Diesel Exhaust Fluid - Scraper:
5.8gal (US)

Service Refill Capacities - Tractor

Differential:
40.4gal (US)
Windshield Washer:
1.3gal (US)
Final Drive - Each:
8.71gal (US)

Service Refill Capacities - Scraper

Differential:
6.1gal (US)

Dimensions

Width - Overall Machine:
155in
Width - Tractor:
137.8in
Width - Rear Tire Centers:
96.9in
Width - Inside of Bowl:
134in
Width - Outside Bowl - Shipping Width:
143.1in
Height - Overall Shipping:
163in
Height - Top of Cab:
147in
Front of Tractor to Front Axle:
142.2in
Ground Clearance - Tractor:
26.1in
Axle to Vertical Hitch Pin:
20in
Height - Scraper Blade Maximum:
21.2in
Wheel Base:
376.8in
Length - Overall Machine - Standard:
609.5in
Rear Axle - Rear of Machine:
95.4in
Width - Outside Rear Tires:
143.2in

Safety Criteria Compliance Standards

Steering System:
ISO 5010:2007
Seat Belt:
SAE J386:FEB2006
Reverse Alarm:
ISO 9533:2010
Brakes:
ISO 3450:2011
Rollover Protection Structure (ROPS):
ISO 3471:2008 for up to 21 282 kg (46,919 lb)
Falling Object Protective Structure (FOPS):
ISO 3449:2005 Level II

Implement Cycle Times

Bowl Lower:
3.5s
Bowl Raise:
3.5s
Bail Lower:
2.1s
Bail Raise:
1.5s
Apron Lower:
3.8s
Apron Raise:
4s
Ejector Retract:
8.5s
Ejector Extend:
8.5s

Cab

Exterior Sound Power Level:
The exterior sound power level for the standard machine (ISO 6393:2008) is 118 dB(A).
ROPS/FOPS:
Meet ISO standards

Operating Specifications

Top Speed - Loaded:
34.7mile/h

General

Fuel Tank Refill Capacity - Scraper:
370gal (US)

Operating Specifications

Scraper Capacity - Heaped:
50yd³

Service Refill Capacities - Scraper

Final Drive - Each:
4.8gal (US)

Standard Equipment

note

  • Standard and optional equipment may vary. Consult your Cat dealer for details.

power train – tractor

  • Cat C18 engine with MEUI™
  • Compression engine brake
  • Electric start, 24V
  • Air cleaner, dry type with precleaner
  • Fan, hydraulic
  • Ground level engine shutdown
  • Radiator, aluminum unit core, 9 fins per inch
  • Guard, crankcase
  • Starting aid, ether
  • Braking system:
    • Primary and secondary, wet disc, hydraulic actuated
    • Parking, hydraulic-released, spring-applied
  • Throttle lock
  • Transmission:
    • 8-speed planetary power shift
    • ECPC control
    • APECS software
    • Programmable top gear selection
    • Transmission hold
    • Differential lock
    • Guard, power train
    • Standard tire spin reduction
    • Ground speed control
    • Machine speed limit
    • Differential lock protection

power train – scraper

  • Cat C9.3 engine
    • High pressure common rail fuel
    • Constant lift engine brake
  • Electric start, 24V
  • Air cleaner, dry type with precleaner
  • Fan, mechanical driven
  • Ground level engine shutdown
  • Radiator, aluminum unit core, 9 fins per inch
  • Starting aid, either
  • Braking system:
    • Primary and secondary, dry caliper, hydraulic actuated
  • Transmission:
    • 4-speed (torque converter drive)
    • Planetary power shift

electrical – tractor

  • Alternator, 150 Amp
  • Batteries (4), 12V, 1,000 CCA, maintenance free, high output
  • Electrical system, 24V
  • Lighting system:
    • Headlights, LED
    • Turn signals with hazard function, LED floodlights, (2) cutting edge (1) bowl, halogen side vision (2)
  • Starting/charging receptacle

electrical – scraper

  • Alarm, backup
  • Batteries (4) 12V, 1,000 CAA, maintenance free, high output
  • Alternator, 65 Amp
  • Electrical system, 24V
  • Lighting system:
    • Brake lights, LED
    • Turn signals with hazard function, LED

operator environment – tractor

  • HVAC system, heat, AC, defrost
  • Thermostat control of HVAC system
  • Coat hook
  • Lunchbox platform with holding strap
  • Diagnostic connection (2)
  • 12V power ports (2)
  • Differential lock (1)
  • Dome courtesy light
  • Horn, electric
  • T-handle implement control
  • Mirror, rearview
  • Radio ready
  • ROPS/FOPS cab, pressurized
  • Keypad switches:
    • Throttle lock
    • Wipers/washers
    • Hazard lights
    • Retarding level select
    • Work lights on, off
    • Information mode on Messenger Display
  • Safety tab rocker switches
  • Seat belt, static two-piece
  • Seat, Cat Advanced Ride Management (ARM), Cat Comfort Series 3, rotates 30 degrees
  • Steering wheel, tilt, telescoping, padded
  • Windows, right side emergency egress
  • Windows, sliding
  • Windows, laminated, zipped in
  • Windshield wipers, front and rear windows, includes washers
  • Door lock
  • Messenger Display
  • Gauges, warnings include:
    • Coolant temperature
    • Engine oil temperature
    • Hydraulic oil temperature
    • Fuel level
    • Park brake
    • Implement lockout
    • Brake system
    • Throttle lock
    • System voltage
    • Secondary steering
    • Bail down
    • Ejector auto
    • Differential lock
    • Apron float
    • Transmission hold
    • Cushion hitch
    • High beam lights
    • Action lamp
    • Engine speed, rpm
    • Gear selection

fluids

  • Extended Life Coolant to –37° C (–34° F)

other standard equipment – tractor

  • Advanced cushion hitch
  • Accumulators (cushion hitch) with Canadian Registration Number (CRN)
  • Fast oil change
  • Fenders, non-metallic
  • Heater, engine coolant 120V
  • Rims (2)
  • Tow hooks, front
  • Vandalism locks
  • Heater, engine coolant 120V
  • Steering locks

other standard equipment – scraper

  • Coal Bowl
    • 31 m3 (41 yd3), struck
    • 38 m3 (50 yd3), heaped
  • Vandalism locks
  • Scraper fenders
  • Fast oil change
  • Rims (2)
  • Hydraulic position sensing cylinders (bowl lift and apron)

Optional Equipment

note

  • Standard and optional equipment may vary. Consult your Cat dealer for details.

steering arrangements

  • Secondary Steering Arrangement

integrated technologies

  • Sequence Assist Arrangement
  • Advanced Tire Spin Reduction

other attachments

  • Camera arrangement – WAVS
  • Cab beacon
  • Air horn
  • Air horn and beacon
  • Wiring group

service instructions

  • Film arrangement – U.S. (ANSI)
  • Film arrangement – International (ISO)