Specifications

Get a Quote
637K (TIER 4 FINAL/STAGE IV)

Overview

N
Flywheel Power - Tractor/Scraper425 kW (570 hp)/216 kW (290 hp)
Scraper Capacity - Heaped38 m³50 yd³
Top Speed - Loaded55.8 km/h34.7 mile/h
Exterior Sound Power LevelThe exterior sound power level for the standard machine (ISO 6393:2008) is 118 dB(A).
ROPS/FOPSMeet ISO standards
Axle to Vertical Hitch Pin509 mm20 in
Front of Tractor to Front Axle3612 mm142.2 in
Ground Clearance - Tractor664 mm26.1 in
Height - Overall Shipping4140 mm163 in
Height - Scraper Blade Maximum538 mm21.2 in
Height - Top of Cab3733 mm147 in
Length - Overall Machine - Standard15480 mm609.5 in
Rear Axle - Rear of Machine2424 mm95.4 in
Width - Inside of Bowl3404 mm134 in
Width - Outside Rear Tires3636 mm143.2 in
Width - Overall Machine3937 mm155 in
Width - Rear Tire Centers2462 mm96.9 in
Width - Tractor3499 mm137.8 in
180° Curb-to-Curb Turning Width12.98 m42.59 ft
EmissionsCat C9.3 ACERT and Cat C18 ACERT engines meet U.S. EPA Tier 4 Final/EU Stage IV engine emission standards.
Engine Model - ScraperCat C9.3 ACERT
Engine Model - TractorCat C18 ACERT™
Flywheel Power - Scraper216 kW290 HP
Flywheel Power - Tractor425 kW570 HP
Fuel Tank Refill Capacity - Scraper1400 l370 gal (US)
Maximum Depth of Cut450 mm17.7 in
Maximum Depth of Spread535 mm21.1 in
Operating Weight - Empty52425 kg117782 lb
Overall Length15480 mm609.5 in
Overall Shipping Height4.15 m13.62 ft
Overall Width3.94 m12.93 ft
Rated Engine RPM - Scraper2150 r/min2150 r/min
Rated Engine RPM - Tractor1900 r/min1900 r/min
Rated Load34 472 kg (76,000 lb)/34.20 tonnes (38 tons)
Scraper Capacity - Heaped38 m³50 yd³
Scraper Capacity - Struck31 m³41 yd³
Tires - Scraper37.25R35**E3
Tires - Tractor37.25R35**E3
Top Speed - Loaded55.8 km/h34.7 mile/h
Width - Cut3.51 m11.5 ft
Apron Lower3.8 s3.8 s
Apron Raise4 s4 s
Bail Lower2.1 s2.1 s
Bail Raise1.5 s1.5 s
Bowl Lower3.5 s3.5 s
Bowl Raise3.5 s3.5 s
Ejector Extend8.5 s8.5 s
Ejector Retract8.5 s8.5 s
BrakesISO 3450:2011
Falling Object Protective Structure (FOPS)ISO 3449:2005 Level II
Reverse AlarmISO 9533:2010
Rollover Protection Structure (ROPS)ISO 3471:2008 for up to 21 282 kg (46,919 lb)
Seat BeltSAE J386:FEB2006
Steering SystemISO 5010:2007
Cooling System - Scraper61 l16.1 gal (US)
Cooling System - Tractor75 l19.8 gal (US)
Crankcase - Scraper24.5 l6.5 gal (US)
Crankcase - Tractor52 l13.7 gal (US)
Diesel Exhaust Fluid - Scraper22 l5.8 gal (US)
Diesel Exhaust Fluid - Tractor30.5 l8 gal (US)
Fuel Tank1400 l370 gal (US)
Hydraulic System142 l37.5 gal (US)
Transmission System - Scraper49 l12.9 gal (US)
Transmission System - Tractor110 l29 gal (US)
Transmission Gear - Eighth55.8 km/h34.7 mile/h
Transmission Gear - Fifth22.7 km/h14.1 mile/h
Transmission Gear - First5.5 km/h3.4 mile/h
Transmission Gear - Fourth16.9 km/h10.5 mile/h
Transmission Gear - Reverse9.9 km/h6.2 mile/h
Transmission Gear - Second10 km/h6.2 mile/h
Transmission Gear - Seventh41.95 km/h25.7 mile/h
Transmission Gear - Sixth30.6 km/h19 mile/h
Transmission Gear - Third12.4 km/h7.7 mile/h
Wheel Base9576 mm377 in

637K (TIER 4 FINAL/STAGE IV) Standard 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 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 (TIER 4 FINAL/STAGE IV) Optional Equipment

  • 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)

Specifications

Flywheel Power - Tractor/Scraper425 kW (570 hp)/216 kW (290 hp)
Scraper Capacity - Heaped38 m³50 yd³
Top Speed - Loaded55.8 km/h34.7 mile/h
Exterior Sound Power LevelThe exterior sound power level for the standard machine (ISO 6393:2008) is 118 dB(A).
ROPS/FOPSMeet ISO standards
Axle to Vertical Hitch Pin509 mm20 in
Front of Tractor to Front Axle3612 mm142.2 in
Ground Clearance - Tractor664 mm26.1 in
Height - Overall Shipping4140 mm163 in
Height - Scraper Blade Maximum538 mm21.2 in
Height - Top of Cab3733 mm147 in
Length - Overall Machine - Standard15480 mm609.5 in
Rear Axle - Rear of Machine2424 mm95.4 in
Width - Inside of Bowl3404 mm134 in
Width - Outside Rear Tires3636 mm143.2 in
Width - Overall Machine3937 mm155 in
Width - Rear Tire Centers2462 mm96.9 in
Width - Tractor3499 mm137.8 in
180° Curb-to-Curb Turning Width12.98 m42.59 ft
EmissionsCat C9.3 ACERT and Cat C18 ACERT engines meet U.S. EPA Tier 4 Final/EU Stage IV engine emission standards.
Engine Model - ScraperCat C9.3 ACERT
Engine Model - TractorCat C18 ACERT™
Flywheel Power - Scraper216 kW290 HP
Flywheel Power - Tractor425 kW570 HP
Fuel Tank Refill Capacity - Scraper1400 l370 gal (US)
Maximum Depth of Cut450 mm17.7 in
Maximum Depth of Spread535 mm21.1 in
Operating Weight - Empty52425 kg117782 lb
Overall Length15480 mm609.5 in
Overall Shipping Height4.15 m13.62 ft
Overall Width3.94 m12.93 ft
Rated Engine RPM - Scraper2150 r/min2150 r/min
Rated Engine RPM - Tractor1900 r/min1900 r/min
Rated Load34 472 kg (76,000 lb)/34.20 tonnes (38 tons)
Scraper Capacity - Heaped38 m³50 yd³
Scraper Capacity - Struck31 m³41 yd³
Tires - Scraper37.25R35**E3
Tires - Tractor37.25R35**E3
Top Speed - Loaded55.8 km/h34.7 mile/h
Width - Cut3.51 m11.5 ft
Apron Lower3.8 s3.8 s
Apron Raise4 s4 s
Bail Lower2.1 s2.1 s
Bail Raise1.5 s1.5 s
Bowl Lower3.5 s3.5 s
Bowl Raise3.5 s3.5 s
Ejector Extend8.5 s8.5 s
Ejector Retract8.5 s8.5 s
BrakesISO 3450:2011
Falling Object Protective Structure (FOPS)ISO 3449:2005 Level II
Reverse AlarmISO 9533:2010
Rollover Protection Structure (ROPS)ISO 3471:2008 for up to 21 282 kg (46,919 lb)
Seat BeltSAE J386:FEB2006
Steering SystemISO 5010:2007
Cooling System - Scraper61 l16.1 gal (US)
Cooling System - Tractor75 l19.8 gal (US)
Crankcase - Scraper24.5 l6.5 gal (US)
Crankcase - Tractor52 l13.7 gal (US)
Diesel Exhaust Fluid - Scraper22 l5.8 gal (US)
Diesel Exhaust Fluid - Tractor30.5 l8 gal (US)
Fuel Tank1400 l370 gal (US)
Hydraulic System142 l37.5 gal (US)
Transmission System - Scraper49 l12.9 gal (US)
Transmission System - Tractor110 l29 gal (US)
Transmission Gear - Eighth55.8 km/h34.7 mile/h
Transmission Gear - Fifth22.7 km/h14.1 mile/h
Transmission Gear - First5.5 km/h3.4 mile/h
Transmission Gear - Fourth16.9 km/h10.5 mile/h
Transmission Gear - Reverse9.9 km/h6.2 mile/h
Transmission Gear - Second10 km/h6.2 mile/h
Transmission Gear - Seventh41.95 km/h25.7 mile/h
Transmission Gear - Sixth30.6 km/h19 mile/h
Transmission Gear - Third12.4 km/h7.7 mile/h
Wheel Base9576 mm377 in

Equipment

637K (TIER 4 FINAL/STAGE IV) Standard 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 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 (TIER 4 FINAL/STAGE IV) Optional Equipment

  • 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)

Related Products

637K (TIER 4 FINAL/STAGE IV)
Products
footer-border

© 2022 Caterpillar. All Rights Reserved. Cat, CATERPILLAR, LET’S DO THE WORK, their respective logos, “Caterpillar Yellow,” the “Power Edge” trade dress as well as corporate and product identity used herein, are trademarks of Caterpillar and may not be used without permission.

Facebook YouTube LinkedIn
Model.GetDictionaryValue(