Open Bowl Scrapers:

637K Wheel Tractor-Scraper

637K Open Bowl Scraper
Scraper Capacity: Heaped
34 yd3
Top Speed (Loaded)
34.7 mph
Width – Overall Machine
155 in
Width – Tractor
137.8 in


Product Specs

  • Scraper Bowl

  • Scraper Capacity: Heaped
    34yd3
    Scraper Capacity - Heaped
    34yd³
  • Transmission

  • Top Speed (Loaded)
    34.7mph
    Top Speed - Loaded
    34.7mile/h
  • Dimensions

  • Width – Overall Machine
    155in
    Width – Tractor
    137.8in
    Width – Inside of Bowl
    134in
    Width – Outside Rear Tires
    143.2in
    Height – Overall Shipping
    163.2in
    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
    20in
    Wheelbase
    346.8in
    Rear Axle to Rear of Machine
    90.2in
    Length – Overall Machine (Standard)
    597in
    Width – Rear Tire Centers
    96.9in
    Front of Tractor to Front Axle
    142.2in
    Axle to Vertical Hitch Pin
    20in
    Wheel Base
    346.8in
    Rear Axle - Rear of Machine
    90.2in
    Ground Clearance - Tractor
    26.1in
    Height - Overall Shipping
    163.2in
    Height - Scraper Blade Maximum
    20in
    Height - Top of Cab
    147in
    Length - Overall Machine - Standard
    597in
    Width - Inside of Bowl
    134in
    Width - Outside Rear Tires
    143.2in
    Width - Overall Machine
    155in
    Width - Rear Tire Centers
    96.9in
    Width - Tractor
    137.8in
    Length - Maximum (Push-Pull)
    655.1in
    Extended Push Block (Push-Pull)
    108in
  • General Data

  • Top Speed (Loaded)
    34.7mph
    Width of Cut
    11.50ft
    180° Curb-to-Curb Turning Width
    40.12ft
    Fuel Tank Refill Capacity: Scraper
    370gal
    Maximum Depth of Cut
    17.7in
    Maximum Depth of Spread
    21.1in
    Overall Shipping Height
    13.62ft
    Overall Width
    12.93ft
    Rated Load
    37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
    Scraper Capacity: Heaped
    34yd3
    Scraper Capacity: Struck
    24yd3
    Tires: Scraper
    37.25R35**E3
    Tires: Tractor
    37.25R35**E3
  • Cab

  • Exterior Sound Level
    The exterior sound power level for the standard machine (ISO 6393) is 116 dB(A).
    ROPS/FOPS
    ROPS/FOPS meet “ISO Standards.”
    Exterior Sound Level
    The exterior sound power level for the standard machine (ISO 6393) is 116 dB(A).
    ROPS/FOPS
    ROPS/FOPS meet “ISO Standards.”
  • Implement Cycle Times

  • Apron Lower
    3.8seconds
    Apron Raise
    4.0seconds
    Bail Lower
    2.1seconds
    Bail Raise
    1.5seconds
    Bowl Lower
    3.5seconds
    Bowl Raise
    3.5seconds
    Ejector Extend
    8.5seconds
    Ejector Retract
    8.5seconds
    Apron Lower
    3.8s
    Apron Raise
    4s
    Bail Lower
    2.1s
    Bail Raise
    1.5s
    Bowl Lower
    3.5s
    Bowl Raise
    3.5s
    Ejector Extend
    8.5s
    Ejector Retract
    8.5s
  • Service Refill Capacities

  • Cooling System: Scraper
    16.1gal
    Cooling System: Tractor
    19.8gal
    Crankcase: Scraper
    6.5gal
    Crankcase: Tractor
    13.7gal
    Fuel Tank
    370gal
    Hydraulic System
    37.5gal
    Transmission System: Scraper
    12.9gal
    Transmission System: Tractor
    29gal
    Cooling System - Scraper
    16.1gal (US)
    Cooling System - Tractor
    19.8gal (US)
    Crankcase - Scraper
    6.5gal (US)
    Crankcase - Tractor
    13.7gal (US)
    Fuel Tank
    370gal (US)
    Hydraulic System
    37.5gal (US)
    Transmission System - Scraper
    12.9gal (US)
    Transmission System - Tractor
    29gal (US)
  • Safety Criteria Compliance Standards

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

  • Flywheel Power: Tractor
    570hp
    Emissions
    Cat C9.3 ACERT and C18 ACERT engines meet U.S. EPA Tier 2/EU Stage II Equivalent emission standards.
    Emissions
    Cat C9.3 ACERT and C18 ACERT engines meet U.S. EPA Tier 2/EU Stage II Equivalent emission standards.
    Flywheel Power - Tractor
    570HP
    Engine Model - Scraper
    Cat C9.3 ACERT
    Engine Model - Tractor
    Cat C18 ACERT™
    Flywheel Power - Scraper
    290HP
    Rated Engine RPM - Scraper
    2150r/min
    Rated Engine RPM - Tractor
    1900r/min
  • Travel Speeds (Runout)

  • Transmission Gear: Eighth
    34.7mph
    Transmission Gear: Fifth
    14.1mph
    Transmission Gear: First
    3.4mph
    Transmission Gear: Fourth
    10.5mph
    Transmission Gear: Reverse
    6.2mph
    Transmission Gear: Second
    6.2mph
    Transmission Gear: Seventh
    25.7mph
    Transmission Gear: Sixth
    19.0mph
    Transmission Gear: Third
    7.7mph
  • Non Push-Pull

  • Operating Weight - Empty
    114950lb
    Overall Length
    49.34ft
  • General

  • 180° Curb-to-Curb Turning Width
    40.12ft
    Fuel Tank Refill Capacity - Scraper
    370gal (US)
    Maximum Depth of Cut
    17.7in
    Maximum Depth of Spread
    21.1in
    Overall Shipping Height
    13.62ft
    Overall Width
    12.93ft
    Rated Load
    37 200 kg (82,200 lb); 37.2 tonnes (41.1 tons)
    Scraper Capacity - Heaped
    34yd³
    Scraper Capacity - Struck
    24yd³
    Tires - Scraper
    37.25R35**E3
    Tires - Tractor
    37.25R35**E3
    Top Speed - Loaded
    34.7mile/h
    Width - Cut
    11.5ft
  • Travel Speeds - Runout

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

  • Flywheel Power - Tractor/Scraper
    570HP
  • Push-Pull

  • Operating Weight - Empty
    119060lb
    Overall Length - With Bail Down
    54.59ft

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 CCA, 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
    • Bowl:
      • 18.3 m3 (24 yd3), struck
      • 26 m3 (34 yd3), heaped
    • Vandalism locks
    • Scraper fenders
    • Overflow guard
    • Fast oil change
    • Rims (2)
    • Hydraulic position sensing cylinders (bowl lift and apron)
  • Steering Arrangements
    • Secondary Steering Arrangement
  • Integrated Technologies
    • Sequence Assist Arrangement with Payload Estimator
    • Load Assist
    • Cat Grade Control with Load Assist
    • Advanced Tire Spin Reduction
  • Other Attachments
    • Camera arrangement – Work Area Vision System (WAVS)
    • Cab beacon
    • Air horn
    • Air horn and beacon
    • Wiring group
    • Push Pull
    • Year of manufacture plate
  • Service Instructions
    • Film arrangement – International (ISO)

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