Open Bowl Scrapers:

637K Wheel Tractor-Scraper

Flywheel Power: Tractor/Scraper
570 hp
Scraper Capacity: Heaped
34 yd3
Top Speed (Loaded)
34.7 mph
Width – Overall Machine
155 in


Benefits & Features

Product Specs

  • Tractor Engine

  • Flywheel Power: Tractor/Scraper
    570hp
  • Scraper Bowl

  • Scraper Capacity: Heaped
    34yd3
  • Transmission

  • Top Speed (Loaded)
    34.7mph
  • 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 – Maximum (Push-Pull)
    655.1in
    Length – Overall Machine (Standard)
    597in
    Extended Push Block (Push-Pull)
    108in
    Width – Rear Tire Centers
    96.9in
  • Engine

  • Engine Model: Scraper
    Cat C9.3 ACERT
    Engine Model: Tractor
    Cat C18 ACERT™
    Flywheel Power: Scraper
    290hp
    Flywheel Power: Tractor
    570hp
    Emissions
    Cat C9.3 ACERT and C18 ACERT engines meet U.S. EPA Tier 4 Final/EU Stage IV emission standards.
    Rated Engine RPM: Scraper
    2150rpm
    Rated Engine RPM: Tractor
    1900rpm
  • 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
  • Push-Pull

  • Operating Weight (Empty)
    119060lb
    Overall Length (With Bail Down)
    54.59ft
  • General Data

  • 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
    Top Speed (Loaded)
    34.7mph
    Width of Cut
    11.50ft
  • 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.”
  • 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
  • Service Refill Capacities

  • Cooling System: Scraper
    16.1gal
    Cooling System: Tractor
    19.8gal
    Crankcase: Scraper
    6.5gal
    Crankcase: Tractor
    13.7gal
    Diesel Exhaust Fluid: Scraper
    5.8gal
    Diesel Exhaust Fluid: Tractor
    8gal
    Fuel Tank
    370gal
    Hydraulic System
    37.5gal
    Transmission System: Scraper
    12.9gal
    Transmission System: Tractor
    29gal
  • Non Push-Pull

  • Operating Weight (Empty)
    114950lb
    Overall Length
    49.34ft
  • 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

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
      • Diesel Particulate Filter (DPF) temperature
      • Fuel level
      • Park brake
      • Implement lockout
      • Brake system
      • Regeneration required
      • 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
      • DEF fill levels
  • 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
  • Service Instructions
    • Film arrangement – U.S. (ANSI)
    • Film arrangement – International (ISO)

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