Coal Bowl Scrapers:

637K Wheel Tractor – Coal Bowl Scraper

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Top Speed (Loaded)
34.7 mph
Flywheel Power - Tractor/Scraper
425 kW (570 hp)/216 kW (290 hp)
Scraper Capacity - Heaped
50 yd³
Fuel Tank Refill Capacity - Scraper
370 gal (US)


Product Specs

  • Operating Specifications

  • Top Speed (Loaded)
    34.7mph
    Scraper Capacity - Heaped
    50yd³
    Top Speed - Loaded
    34.7mile/h
  • Engine

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

  • Fuel Tank Refill Capacity - Scraper
    370gal (US)
    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
    Operating Weight - Empty
    117782lb
    Overall Length
    609.5in
    Engine Model - Tractor
    Cat C18 ACERT™
    Engine Model - Scraper
    Cat C9.3 ACERT
    Rated Engine RPM - Tractor
    1900r/min
    Rated Engine RPM - Scraper
    2150r/min
    Flywheel Power - Tractor
    570HP
    Flywheel Power - Scraper
    290HP
    Emissions
    Cat C9.3 ACERT and Cat C18 ACERT engines meet U.S. EPA Tier 4 Final/EU Stage IV engine emission standards.
  • 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).
    ROPS/FOPS
    Meet ISO standards
  • Safety Criteria Compliance Standards

  • 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
    Brakes
    ISO 3450:2011
    Steering System
    ISO 5010:2007
    Seat Belt
    SAE J386:FEB2006
    Reverse Alarm
    ISO 9533:2010
  • 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
  • Implement Cycle Times

  • Bowl Raise
    3.5s
    Bowl Lower
    3.5s
    Apron Raise
    4s
    Apron Lower
    3.8s
    Ejector Extend
    8.5s
    Ejector Retract
    8.5s
    Bail Raise
    1.5s
    Bail Lower
    2.1s
  • Service Refill Capacities

  • Crankcase - Tractor
    13.7gal (US)
    Crankcase - Scraper
    6.5gal (US)
    Transmission System - Tractor
    29gal (US)
    Transmission System - Scraper
    12.9gal (US)
    Cooling System - Tractor
    19.8gal (US)
    Cooling System - Scraper
    16.1gal (US)
    Fuel Tank
    370gal
    Hydraulic System
    37.5gal
    Diesel Exhaust Fluid - Tractor
    8gal (US)
    Diesel Exhaust Fluid - Scraper
    5.8gal (US)
    Fuel Tank
    370gal (US)
    Hydraulic System
    37.5gal (US)
  • Dimensions

  • Width - Overall Machine
    155in
    Width – Tractor
    137.8in
    Width - Rear Tire Centers
    96.9in
    Width – Inside of Bowl
    134in
    Width – Outside Rear Tires
    143.2in
    Height – Overall Shipping
    163in
    Height – Top of Cab
    147in
    Ground Clearance - Tractor
    26.1in
    Front of Tractor to Front Axle
    142.2in
    Axle to Vertical Hitch Pin
    20in
    Height - Scraper Blade Maximum
    21.2in
    Wheelbase
    377in
    Length - Overall Machine - Standard
    609.5in
    Rear Axle - Rear of Machine
    95.4in
    Height - Overall Shipping
    163in
    Height - Top of Cab
    147in
    Width - Inside of Bowl
    134in
    Width - Outside Rear Tires
    143.2in
    Width - Tractor
    137.8in
    Wheel Base
    377in

Equipment

  • Power Train – Tractor
    • Cat C18 ACERT 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 ACERT 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)
  • 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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