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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