637K Wheel Tractor – Coal Bowl Scraper
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.
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Engine
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- Flywheel Power - Tractor/Scraper
- 425 kW (570 hp)/216 kW (290 hp)
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Operating Specifications
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- Scraper Capacity - Heaped
- 50yd³
- Top Speed - Loaded
- 34.7mile/h
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Safety Criteria Compliance Standards
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- 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)
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General
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- 180° Curb-to-Curb Turning Width
- 42.59ft
- Flywheel Power - Tractor
- 570HP
- Tires - Tractor
- 37.25R35**E3
- Overall Width
- 12.93ft
- Rated Engine RPM - Scraper
- 2150r/min
- Rated Engine RPM - Tractor
- 1900r/min
- Operating Weight - Empty
- 117782lb
- Scraper Capacity - Heaped
- 50yd³
- Width - Cut
- 11.5ft
- Top Speed - Loaded
- 34.7mile/h
- Overall Length
- 609.5in
- Fuel Tank Refill Capacity - Scraper
- 370gal (US)
- Scraper Capacity - Struck
- 41yd³
- Overall Shipping Height
- 13.62ft
- Maximum Depth of Cut
- 17.7in
- 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
- 21.1in
- Flywheel Power - Scraper
- 290HP
- 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
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Service Refill Capacities
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- Cooling System - Scraper
- 16.1gal (US)
- Diesel Exhaust Fluid - Scraper
- 5.8gal (US)
- Transmission System - Tractor
- 29gal (US)
- Crankcase - Tractor
- 13.7gal (US)
- Diesel Exhaust Fluid - Tractor
- 8gal (US)
- Fuel Tank
- 370gal (US)
- Transmission System - Scraper
- 12.9gal (US)
- Hydraulic System
- 37.5gal (US)
- Cooling System - Tractor
- 19.8gal (US)
- Crankcase - Scraper
- 6.5gal (US)
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Travel Speeds - Runout
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- Transmission Gear - Eighth
- 34.7mile/h
- Transmission Gear - First
- 3.4mile/h
- Transmission Gear - Fourth
- 10.5mile/h
- Transmission Gear - Reverse
- 6.2mile/h
- Transmission Gear - Third
- 7.7mile/h
- Transmission Gear - Seventh
- 25.7mile/h
- Transmission Gear - Fifth
- 14.1mile/h
- Transmission Gear - Sixth
- 19mile/h
- Transmission Gear - Second
- 6.2mile/h
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Implement Cycle Times
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- Bail Raise
- 1.5s
- Bowl Lower
- 3.5s
- Apron Lower
- 3.8s
- Ejector Retract
- 8.5s
- Bail Lower
- 2.1s
- Apron Raise
- 4s
- Ejector Extend
- 8.5s
- Bowl Raise
- 3.5s
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Dimensions
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- Width - Overall Machine
- 155in
- Width - Tractor
- 137.8in
- Ground Clearance - Tractor
- 26.1in
- Axle to Vertical Hitch Pin
- 20in
- Height - Top of Cab
- 147in
- Width - Outside Rear Tires
- 143.2in
- Height - Scraper Blade Maximum
- 21.2in
- Rear Axle - Rear of Machine
- 95.4in
- Width - Rear Tire Centers
- 96.9in
- Front of Tractor to Front Axle
- 142.2in
- Width - Inside of Bowl
- 134in
- Length - Overall Machine - Standard
- 609.5in
- Height - Overall Shipping
- 163in
- Wheel Base
- 377in
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Cab
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- 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:
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Note
-
- Standard and optional equipment may vary. Consult your Cat dealer for details.
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Power Train – Tractor
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- 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
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Power Train – Scraper
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- 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
- Cat C9.3 engine
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Electrical – Tractor
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- 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
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Electrical – Scraper
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- 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
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Operator Environment – Tractor
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- 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
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Fluids
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- Extended Life Coolant to –37° C (–34° F)
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Other Standard Equipment – Tractor
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- 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
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Other Standard Equipment – Scraper
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- 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)
- Coal Bowl
Optional Equipment:
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Note
-
- Standard and optional equipment may vary. Consult your Cat dealer for details.
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Steering Arrangements
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- Secondary Steering Arrangement
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Integrated Technologies
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- Sequence Assist Arrangement
- Advanced Tire Spin Reduction
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Other Attachments
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- Camera arrangement – WAVS
- Cab beacon
- Air horn
- Air horn and beacon
- Wiring group
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Service Instructions
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- Film arrangement – U.S. (ANSI)
- Film arrangement – International (ISO)
