View Details

Tap to Call

637K Wheel Tractor – Coal Bowl Scraper

637K Wheel Tractor – Coal Bowl Scraper

At a Glance

Flywheel Power - Tractor/Scraper
425 kW (570 hp)/216 kW (290 hp)
Scraper Capacity - Heaped
50 yd³
Top Speed - Loaded
34.7 mile/h
Fuel Tank Refill Capacity - Scraper
370 gal (US)
Request a Demo Machine Comparison


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.


+ -
Flywheel Power - Tractor/Scraper 425 kW (570 hp)/216 kW (290 hp)

Operating Specifications

+ -
Scraper Capacity - Heaped 50yd³
Top Speed - Loaded 34.7mile/h


+ -
Fuel Tank Refill Capacity - Scraper 370gal (US)
Overall Width 12.93ft
Overall Shipping Height 13.62ft
Scraper Capacity - Struck 41yd³
Scraper Capacity - Heaped 50yd³
Rated Load 34 472 kg (76,000 lb)/34.20 tonnes (38 tons)
Width - Cut 11.5ft
Maximum Depth of Cut 17.7in
Maximum Depth of Spread 21.1in
Top Speed - Loaded 34.7mile/h
180° Curb-to-Curb Turning Width 42.59ft
Tires - Tractor 37.25R35**E3
Tires - Scraper 37.25R35**E3
Operating Weight - Empty 117782lb
Overall Length 609.5in
Engine Model - Tractor Cat C18
Engine Model - Scraper Cat C9.3
Rated Engine RPM - Tractor 1900r/min
Rated Engine RPM - Scraper 2150r/min
Flywheel Power - Tractor 570HP
Flywheel Power - Scraper 290HP
Emissions Cat C9.3 and Cat C18 engines meet U.S. EPA Tier 4 Final/EU Stage IV engine emission standards.


+ -
Exterior Sound Power Level The exterior sound power level for the standard machine (ISO 6393:2008) is 118 dB(A).
ROPS/FOPS Meet ISO standards

Safety Criteria Compliance Standards

+ -
Rollover Protection Structure (ROPS) ISO 3471:2008 for up to 21 282 kg (46,919 lb)
Falling Object Protective Structure (FOPS) ISO 3449:2005 Level II
Brakes ISO 3450:2011
Steering System ISO 5010:2007
Seat Belt SAE J386:FEB2006
Reverse Alarm ISO 9533:2010

Travel Speeds - Runout

+ -
Transmission Gear - First 3.4mile/h
Transmission Gear - Second 6.2mile/h
Transmission Gear - Third 7.7mile/h
Transmission Gear - Fourth 10.5mile/h
Transmission Gear - Fifth 14.1mile/h
Transmission Gear - Sixth 19mile/h
Transmission Gear - Seventh 25.7mile/h
Transmission Gear - Eighth 34.7mile/h
Transmission Gear - Reverse 6.2mile/h

Implement Cycle Times

+ -
Bowl Raise 3.5s
Bowl Lower 3.5s
Apron Raise 4s
Apron Lower 3.8s
Ejector Extend 8.5s
Ejector Retract 8.5s
Bail Raise 1.5s
Bail Lower 2.1s

Service Refill Capacities

+ -
Crankcase - Tractor 13.7gal (US)
Crankcase - Scraper 6.5gal (US)
Transmission System - Tractor 29gal (US)
Transmission System - Scraper 12.9gal (US)
Cooling System - Tractor 19.8gal (US)
Cooling System - Scraper 16.1gal (US)
Diesel Exhaust Fluid - Tractor 8gal (US)
Diesel Exhaust Fluid - Scraper 5.8gal (US)
Fuel Tank 370gal (US)
Hydraulic System 37.5gal (US)


+ -
Width - Overall Machine 155in
Width - Rear Tire Centers 96.9in
Ground Clearance - Tractor 26.1in
Front of Tractor to Front Axle 142.2in
Axle to Vertical Hitch Pin 20in
Height - Scraper Blade Maximum 21.2in
Length - Overall Machine - Standard 609.5in
Rear Axle - Rear of Machine 95.4in
Height - Overall Shipping 163in
Height - Top of Cab 147in
Width - Inside of Bowl 134in
Width - Outside Rear Tires 143.2in
Width - Tractor 137.8in
Wheel Base 377in