637K Wheel Tractor – Coal Bowl Scraper

Flywheel Power - Tractor/Scraper425 kW (570 hp)/216 kW (290 hp)

Scraper Capacity - Heaped50yd³

Top Speed - Loaded34.7mile/h

BrakesISO 3450:2011

Steering SystemISO 5010:2007

Seat BeltSAE J386:FEB2006

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)

180° Curb-to-Curb Turning Width42.59ft

Flywheel Power - Tractor570HP

Tires - Tractor37.25R35**E3

Overall Width12.93ft

Rated Engine RPM - Scraper2150r/min

Rated Engine RPM - Tractor1900r/min

Operating Weight - Empty117782lb

Scraper Capacity - Heaped50yd³

Width - Cut11.5ft

Top Speed - Loaded34.7mile/h

Overall Length609.5in

Fuel Tank Refill Capacity - Scraper370gal (US)

Scraper Capacity - Struck41yd³

Overall Shipping Height13.62ft

Maximum Depth of Cut17.7in

EmissionsCat C9.3 and Cat C18 engines meet U.S. EPA Tier 4 Final/EU Stage IV engine emission standards.

Maximum Depth of Spread21.1in

Flywheel Power - Scraper290HP

Rated Load34 472 kg (76,000 lb)/34.20 tonnes (38 tons)

Engine Model - ScraperCat C9.3

Engine Model - TractorCat C18

Tires - Scraper37.25R35**E3

Cooling System - Scraper16.1gal (US)

Diesel Exhaust Fluid - Scraper5.8gal (US)

Transmission System - Tractor29gal (US)

Crankcase - Tractor13.7gal (US)

Diesel Exhaust Fluid - Tractor8gal (US)

Fuel Tank370gal (US)

Transmission System - Scraper12.9gal (US)

Hydraulic System37.5gal (US)

Cooling System - Tractor19.8gal (US)

Crankcase - Scraper6.5gal (US)

Transmission Gear - Eighth34.7mile/h

Transmission Gear - First3.4mile/h

Transmission Gear - Fourth10.5mile/h

Transmission Gear - Reverse6.2mile/h

Transmission Gear - Third7.7mile/h

Transmission Gear - Seventh25.7mile/h

Transmission Gear - Fifth14.1mile/h

Transmission Gear - Sixth19mile/h

Transmission Gear - Second6.2mile/h

Bail Raise1.5s

Bowl Lower3.5s

Apron Lower3.8s

Ejector Retract8.5s

Bail Lower2.1s

Apron Raise4s

Ejector Extend8.5s

Bowl Raise3.5s

Width - Overall Machine155in

Width - Tractor137.8in

Ground Clearance - Tractor26.1in

Axle to Vertical Hitch Pin20in

Height - Top of Cab147in

Width - Outside Rear Tires143.2in

Height - Scraper Blade Maximum21.2in

Rear Axle - Rear of Machine95.4in

Width - Rear Tire Centers96.9in

Front of Tractor to Front Axle142.2in

Width - Inside of Bowl134in

Length - Overall Machine - Standard609.5in

Height - Overall Shipping163in

Wheel Base377in

ROPS/FOPSMeet ISO standards

Exterior Sound Power LevelThe exterior sound power level for the standard machine (ISO 6393:2008) is 118 dB(A).

Standard

Standard and optional equipment may vary. Consult your Cat dealer for details.

Optional

Standard and optional equipment may vary. Consult your Cat dealer for details.

Standard

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

Standard

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

Standard

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

Standard

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

Standard

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

Standard

Extended Life Coolant to –37° C (–34° F)

Standard

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

Standard

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

Secondary Steering Arrangement

Optional

Sequence Assist Arrangement

Advanced Tire Spin Reduction

Optional

Camera arrangement – WAVS

Cab beacon

Air horn

Air horn and beacon

Wiring group

Optional

Film arrangement – U.S. (ANSI)

Film arrangement – International (ISO)