637K

Coal Bowl Scrapers 637K

Request A Price Find Dealer

Key Specs

Flywheel Power - Tractor/Scraper
425 kW (570 hp)/216 kW (290 hp)
425 kW (570 hp)/216 kW (290 hp)
Scraper Capacity - Heaped
50 yd³
38 m³
Top Speed - Loaded
34.7 mile/h
55.8 km/h

Overview

Haul More Coal

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.

Benefits

Increased Comfort

Ergonomic controls and a newly redesigned cab interior provide a more comfortable and efficient working environment all day long

Up To 12% More Productivity

Improvements in fuel efficiency and the new APECS transmission controls deliver more productivity in most applications

Additional Safety

New safety features help operators be more productive and work more efficiently all day long

Product Specifications for 637K

Flywheel Power - Tractor/Scraper 425 kW (570 hp)/216 kW (290 hp) 425 kW (570 hp)/216 kW (290 hp)
Scraper Capacity - Heaped 50 yd³ 38 m³
Top Speed - Loaded 34.7 mile/h 55.8 km/h
Brakes ISO 3450:2011 ISO 3450:2011
Steering System ISO 5010:2007 ISO 5010:2007
Seat Belt SAE J386:FEB2006 SAE J386:FEB2006
Falling Object Protective Structure (FOPS) ISO 3449:2005 Level II ISO 3449:2005 Level II
Reverse Alarm ISO 9533:2010 ISO 9533:2010
Rollover Protection Structure (ROPS) ISO 3471:2008 for up to 21 282 kg (46,919 lb) ISO 3471:2008 for up to 21 282 kg (46,919 lb)
180° Curb-to-Curb Turning Width 42.59 ft 12.98 m
Flywheel Power - Tractor 570 HP 425 kW
Tires - Tractor 37.25R35**E3 37.25R35**E3
Overall Width 12.93 ft 3.94 m
Rated Engine RPM - Scraper 2150 r/min 2150 r/min
Rated Engine RPM - Tractor 1900 r/min 1900 r/min
Operating Weight - Empty 117782 lb 52425 kg
Scraper Capacity - Heaped 50 yd³ 38 m³
Width - Cut 11.5 ft 3.51 m
Top Speed - Loaded 34.7 mile/h 55.8 km/h
Overall Length 609.5 in 15480 mm
Fuel Tank Refill Capacity - Scraper 370 gal (US) 1400 l
Scraper Capacity - Struck 41 yd³ 31 m³
Overall Shipping Height 13.62 ft 4.15 m
Maximum Depth of Cut 17.7 in 450 mm
Emissions Cat C9.3 and Cat C18 engines meet U.S. EPA Tier 4 Final/EU Stage IV engine emission standards. Cat C9.3 and Cat C18 engines meet U.S. EPA Tier 4 Final/EU Stage IV engine emission standards.
Maximum Depth of Spread 21.1 in 535 mm
Flywheel Power - Scraper 290 HP 216 kW
Rated Load 34 472 kg (76,000 lb)/34.20 tonnes (38 tons) 34 472 kg (76,000 lb)/34.20 tonnes (38 tons)
Engine Model - Scraper Cat C9.3 Cat C9.3
Engine Model - Tractor Cat C18 Cat C18
Tires - Scraper 37.25R35**E3 37.25R35**E3
Cooling System - Scraper 16.1 gal (US) 61 l
Diesel Exhaust Fluid - Scraper 5.8 gal (US) 22 l
Transmission System - Tractor 29 gal (US) 110 l
Crankcase - Tractor 13.7 gal (US) 52 l
Diesel Exhaust Fluid - Tractor 8 gal (US) 30.5 l
Fuel Tank 370 gal (US) 1400 l
Transmission System - Scraper 12.9 gal (US) 49 l
Hydraulic System 37.5 gal (US) 142 l
Cooling System - Tractor 19.8 gal (US) 75 l
Crankcase - Scraper 6.5 gal (US) 24.5 l
Transmission Gear - Eighth 34.7 mile/h 55.8 km/h
Transmission Gear - First 3.4 mile/h 5.5 km/h
Transmission Gear - Fourth 10.5 mile/h 16.9 km/h
Transmission Gear - Reverse 6.2 mile/h 9.9 km/h
Transmission Gear - Third 7.7 mile/h 12.4 km/h
Transmission Gear - Seventh 25.7 mile/h 41.95 km/h
Transmission Gear - Fifth 14.1 mile/h 22.7 km/h
Transmission Gear - Sixth 19 mile/h 30.6 km/h
Transmission Gear - Second 6.2 mile/h 10 km/h
Bail Raise 1.5 s 1.5 s
Bowl Lower 3.5 s 3.5 s
Apron Lower 3.8 s 3.8 s
Ejector Retract 8.5 s 8.5 s
Bail Lower 2.1 s 2.1 s
Apron Raise 4 s 4 s
Ejector Extend 8.5 s 8.5 s
Bowl Raise 3.5 s 3.5 s
Width - Overall Machine 155 in 3937 mm
Width - Tractor 137.8 in 3499 mm
Ground Clearance - Tractor 26.1 in 664 mm
Axle to Vertical Hitch Pin 20 in 509 mm
Height - Top of Cab 147 in 3733 mm
Width - Outside Rear Tires 143.2 in 3636 mm
Height - Scraper Blade Maximum 21.2 in 538 mm
Rear Axle - Rear of Machine 95.4 in 2424 mm
Width - Rear Tire Centers 96.9 in 2462 mm
Front of Tractor to Front Axle 142.2 in 3612 mm
Width - Inside of Bowl 134 in 3404 mm
Length - Overall Machine - Standard 609.5 in 15480 mm
Height - Overall Shipping 163 in 4140 mm
Wheel Base 377 in 9576 mm
ROPS/FOPS Meet ISO standards Meet ISO standards
Exterior Sound Power Level The exterior sound power level for the standard machine (ISO 6393:2008) is 118 dB(A). The exterior sound power level for the standard machine (ISO 6393:2008) is 118 dB(A).

637K 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)

637K 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)

See how 637K compares against frequently compared products.

Tools And Expert Help At Every Turn

Product Brochures and More Are Ready to Download!

Full specifications, product brochures and more. Sign up below for additional information. Or for instant access, you can skip this form.

Marketing Consent

Compatible Technology and Services

Leverage Caterpillar connected data and security principles to improve efficiencies, increase productivity and make your business more profitable.

  • Cat Load Assist for Wheel Tractor-Scrapers

    Cat® Load Assist for Wheel Tractor-Scrapers automates bowl loading with the push of a button. As the machine approaches the cut, the operator activates Load Assist to automate the cutting-edge height.

  • Cat Sequence Assist for Wheel Tractor-Scrapers

    Cat® Sequence Assist for Wheel Tractor-Scrapers uses integrated software to automate repetitive tasks an operator performs when loading, hauling, and dumping. Reduce operator fatigue and rework caused from working manually.

1 - 8 of 9 Items items
Previous Next

Cat® Load Assist for Wheel Tractor-Scrapers automates bowl loading with the push of a button. As the machine approaches the cut, the operator activates Load Assist to automate the cutting-edge height.

Explore Technology

Cat® Sequence Assist for Wheel Tractor-Scrapers uses integrated software to automate repetitive tasks an operator performs when loading, hauling, and dumping. Reduce operator fatigue and rework caused from working manually.

Explore Technology
  • Cat App

    Efficient equipment management starts with the Cat App. Track the location and health of your equipment, order service and parts, and activate telematics devices directly from your mobile device. Staying on top of your fleet 24/7 has never been easier.

  • Cat Inspect

    Cat® Inspect allows you to access your equipment data on your mobile device. This easy-to-use app lets you capture inspection data and integrates with your other Cat data systems, so you can keep a close eye on your fleet. More than one million inspections are completed each year, providing convenience and accountability to equipment owners.

  • Cat Product Link

    Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.

  • Cat VisionLink

    View fleet information online with VisionLink and use it to make informed decisions that boost productivity, lower costs, simplify maintenance, and improve safety on your jobsite. With different subscription level options, your Cat dealer can help configure exactly what you need to optimize your fleet and drive additional profit.

  • ISO 15143-3 (AEMP 2.0) API

    Import telematics data into your own applications for improved fleet management. Our API meets AEMP 2.0 and ISO 15143-3 standards, ideal for mixed fleets.

  • My.Cat.Com

    My.Cat.Com is the web-based hub for digital equipment management, giving you an easy way to take in complex information. Monitor cost, utilization, reliability, age information and other critical data needed to run a business more efficiently and effectively. Access your equipment information and connect with your Cat dealer – all in one place.

1 - 8 of 9 Items items
Previous Next

Efficient equipment management starts with the Cat App. Track the location and health of your equipment, order service and parts, and activate telematics devices directly from your mobile device. Staying on top of your fleet 24/7 has never been easier.

Explore Technology

Cat® Inspect allows you to access your equipment data on your mobile device. This easy-to-use app lets you capture inspection data and integrates with your other Cat data systems, so you can keep a close eye on your fleet. More than one million inspections are completed each year, providing convenience and accountability to equipment owners.

Explore Technology

Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.

Explore Technology

View fleet information online with VisionLink and use it to make informed decisions that boost productivity, lower costs, simplify maintenance, and improve safety on your jobsite. With different subscription level options, your Cat dealer can help configure exactly what you need to optimize your fleet and drive additional profit.

Explore Technology

Import telematics data into your own applications for improved fleet management. Our API meets AEMP 2.0 and ISO 15143-3 standards, ideal for mixed fleets.

Explore Technology

My.Cat.Com is the web-based hub for digital equipment management, giving you an easy way to take in complex information. Monitor cost, utilization, reliability, age information and other critical data needed to run a business more efficiently and effectively. Access your equipment information and connect with your Cat dealer – all in one place.

Explore Technology
  • Cat Grade Control for Wheel Tractor-Scrapers

    Cat® Grade Control for Wheel Tractor-Scrapers is a factory-integrated machine control and guidance system designed to help you move material correctly the first time.

1 - 8 of 9 Items items
Previous Next

Cat® Grade Control for Wheel Tractor-Scrapers is a factory-integrated machine control and guidance system designed to help you move material correctly the first time.

Explore Technology
  • Cat Payload Estimator for Scrapers

    Cat® Payload Estimator for Scrapers uses bowl lift cylinder pressure from the end of the cut to calculate payload. Payload Estimator is optimized with Sequence Assist, which helps to increase productivity with less operator effort.

1 - 8 of 9 Items items
Previous Next

Cat® Payload Estimator for Scrapers uses bowl lift cylinder pressure from the end of the cut to calculate payload. Payload Estimator is optimized with Sequence Assist, which helps to increase productivity with less operator effort.

Explore Technology
  • Cat Productivity

    Cat® Productivity is a cloud-based application that is scalable to any size operation. Detailed Cat Production Measurement data, machine data and jobsite data are transmitted from the onboard Cat Product Link™ device directly to the web platform, for you to access wherever you are, via your mobile, tablet or desktop device.

1 - 8 of 9 Items items
Previous Next

Cat® Productivity is a cloud-based application that is scalable to any size operation. Detailed Cat Production Measurement data, machine data and jobsite data are transmitted from the onboard Cat Product Link™ device directly to the web platform, for you to access wherever you are, via your mobile, tablet or desktop device.

Explore Technology

Check out current offers for the 637K

View More Offers