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637K Wheel Tractor – Coal Bowl Scraper

637K 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.

Engine

Flywheel Power - Tractor/Scraper

425 kW (570 hp)/216 kW (290 hp)

Operating Specifications

Scraper Capacity - Heaped

50yd³

Top Speed - Loaded

34.7mile/h

General

Width - Cut

11.5ft

Top Speed - Loaded

34.7mile/h

Overall Length

609.5in

Fuel Tank Refill Capacity - Scraper

370gal (US)

Scraper Capacity - Struck

41yd³

Overall Shipping Height

13.62ft

Maximum Depth of Cut

17.7in

Emissions

Cat C9.3 and Cat C18 engines meet U.S. EPA Tier 4 Final/EU Stage IV engine emission standards.

Maximum Depth of Spread

21.1in

Flywheel Power - Scraper

290HP

Rated Load

34 472 kg (76,000 lb)/34.20 tonnes (38 tons)

Engine Model - Scraper

Cat C9.3

Engine Model - Tractor

Cat C18

Tires - Scraper

37.25R35**E3

180° Curb-to-Curb Turning Width

42.59ft

Flywheel Power - Tractor

570HP

Tires - Tractor

37.25R35**E3

Overall Width

12.93ft

Rated Engine RPM - Scraper

2150r/min

Rated Engine RPM - Tractor

1900r/min

Operating Weight - Empty

117782lb

Scraper Capacity - Heaped

50yd³

Travel Speeds - Runout

Transmission Gear - Reverse

6.2mile/h

Transmission Gear - Third

7.7mile/h

Transmission Gear - Seventh

25.7mile/h

Transmission Gear - Fifth

14.1mile/h

Transmission Gear - Sixth

19mile/h

Transmission Gear - Second

6.2mile/h

Transmission Gear - Eighth

34.7mile/h

Transmission Gear - First

3.4mile/h

Transmission Gear - Fourth

10.5mile/h

Cab

ROPS/FOPS

Meet ISO standards

Exterior Sound Power Level

The exterior sound power level for the standard machine (ISO 6393:2008) is 118 dB(A).

Service Refill Capacities

Transmission System - Scraper

12.9gal (US)

Hydraulic System

37.5gal (US)

Cooling System - Tractor

19.8gal (US)

Crankcase - Scraper

6.5gal (US)

Cooling System - Scraper

16.1gal (US)

Diesel Exhaust Fluid - Scraper

5.8gal (US)

Transmission System - Tractor

29gal (US)

Crankcase - Tractor

13.7gal (US)

Diesel Exhaust Fluid - Tractor

8gal (US)

Fuel Tank

370gal (US)

Implement Cycle Times

Ejector Retract

8.5s

Bail Lower

2.1s

Apron Raise

4s

Ejector Extend

8.5s

Bowl Raise

3.5s

Bail Raise

1.5s

Bowl Lower

3.5s

Apron Lower

3.8s

Dimensions

Width - Outside Rear Tires

143.2in

Height - Scraper Blade Maximum

21.2in

Rear Axle - Rear of Machine

95.4in

Width - Rear Tire Centers

96.9in

Front of Tractor to Front Axle

142.2in

Width - Inside of Bowl

134in

Length - Overall Machine - Standard

609.5in

Height - Overall Shipping

163in

Width - Overall Machine

155in

Width - Tractor

137.8in

Ground Clearance - Tractor

26.1in

Axle to Vertical Hitch Pin

20in

Height - Top of Cab

147in

Wheel Base

377in

Safety Criteria Compliance Standards

Reverse Alarm

ISO 9533:2010

Rollover Protection Structure (ROPS)

ISO 3471:2008 for up to 21 282 kg (46,919 lb)

Brakes

ISO 3450:2011

Steering System

ISO 5010:2007

Seat Belt

SAE J386:FEB2006

Falling Object Protective Structure (FOPS)

ISO 3449:2005 Level II

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)

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