637K

Scraper Capacity - Heaped
50 yd³ / 38 m³
Top Speed - Loaded
34.7 mile/h / 55.8 km/h
180° Curb-to-Curb Turning Width
42.59 ft / 12.98 m

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.

Loan Calculator Credit Application
Build & Quote
alt 1
637K Product Brochure
Engine
Flywheel Power - Tractor/Scraper 425 kW (570 hp)/216 kW (290 hp)
Operating Specifications
Scraper Capacity - Heaped 50 yd³ / 38 m³
Top Speed - Loaded 34.7 mile/h / 55.8 km/h
Safety Criteria Compliance Standards
Brakes ISO 3450:2011
Steering System ISO 5010:2007
Seat Belt SAE J386:FEB2006
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)
General
180° Curb-to-Curb Turning Width 42.59 ft / 12.98 m
Flywheel Power - Tractor 570 HP / 425 kW
Tires - Tractor 37.25R35**E3
Overall Width 12.93 ft / 3.94 m
Rated Engine RPM - Scraper 2150 r/min
Rated Engine RPM - Tractor 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.
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)
Engine Model - Scraper Cat C9.3
Engine Model - Tractor Cat C18
Tires - Scraper 37.25R35**E3
Service Refill Capacities
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
Travel Speeds - Runout
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
Implement Cycle Times
Bail Raise 1.5 s
Bowl Lower 3.5 s
Apron Lower 3.8 s
Ejector Retract 8.5 s
Bail Lower 2.1 s
Apron Raise 4 s
Ejector Extend 8.5 s
Bowl Raise 3.5 s
Dimensions
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
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).

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)

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)

Grade

<p>Cat® Grade technologies combine digital design data, in-cab guidance, and automatic controls to enhance grading accuracy, reduce rework, and lower costs related to production earthmoving and rough, fine and finish grade applications.</p><p>Whether you're working on simple planes and slopes or complex contour designs, Grade technologies enable you to boost grading efficiency by as much as 50%, helping you get more work done – in less time and at a lower cost – than ever before.</p>

Model
Cat Grade Control for Wheel Tractor-Scrapers

Equipment Management

Cat® Equipment Management gives you access to the data you need to keep your equipment on the job site and earning money. You can track equipment location and hours, monitor machine use and health, then take informed action that will keep your operation running smoothly, efficiently and profitably.

Model
VisionLink®
Cat Inspect
Cat Product Link

Payload

Cat® Payload technologies provide on-the-go load weighing to assist operators with hitting precise load targets every time, helping to reduce load times, optimize loading efficiency and increase jobsite productivity. Operators can track daily productivity from the cab, with quick access to information such as truck target weights, loads and cycle counts, material movement and daily totals. When combined with Cat Link technologies, detailed data can be accessed remotely to manage overall operations and keep production targets on track.

Model
Cat Payload Estimator for Scrapers

Assist

On-board Cat® Technology gives you the edge. Operators of all experience levels will dig, load, and grade with more confidence, speed, and accuracy. The result? Better productivity and lower costs.

Model
Cat Sequence Assist for Wheel Tractor-Scrapers
Cat Load Assist for Wheel Tractor-Scrapers

Productivity

VisionLink® 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.

Model
VisionLink® Productivity

Technology Kits

Caterpillar provides solutions to help customers in any industry improve efficiency and enhance safety.

Model
Cat® Grade Connectivity for Grade with 3D
Contact Us
x

We're here to help.

We'll do our best to get back to you as soon as possible.

This website uses cookies and other tracking technologies to enhance user experience and analyze our site performance and traffic. Further information is available in our Privacy Policy

Close & Accept