C10030952

Cat 637K Wheel Tractor – Coal Bowl Scraper

Cat 637K Wheel Tractor – Coal Bowl Scraper

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Specifications

Operating Specifications
Scraper Capacity - Heaped 50 yd³
Top Speed - Loaded 34.7 mile/h
Dimensions
Axle to Vertical Hitch Pin 20 in
Front of Tractor to Front Axle 142.2 in
Ground Clearance - Tractor 26.1 in
Height - Overall Shipping 163 in
Height - Scraper Blade Maximum 21.2 in
Height - Top of Cab 147 in
Length - Overall Machine - Standard 609.5 in
Rear Axle - Rear of Machine 95.4 in
Width - Inside of Bowl 134 in
Width - Outside Rear Tires 143.2 in
Width - Overall Machine 155 in
Width - Rear Tire Centers 96.9 in
Width - Tractor 137.8 in
Wheel Base 377 in
General
180° Curb-to-Curb Turning Width 42.59 ft
Flywheel Power - Scraper 290 HP
Flywheel Power - Tractor 570 HP
Fuel Tank Refill Capacity - Scraper 370 gal (US)
Maximum Depth of Cut 17.7 in
Maximum Depth of Spread 21.1 in
Operating Weight - Empty 117782 lb
Overall Length 609.5 in
Overall Shipping Height 13.62 ft
Overall Width 12.93 ft
Rated Engine RPM - Scraper 2150 r/min
Rated Engine RPM - Tractor 1900 r/min
Scraper Capacity - Heaped 50 yd³
Scraper Capacity - Struck 41 yd³
Top Speed - Loaded 34.7 mile/h
Width - Cut 11.5 ft
Implement Cycle Times
Apron Lower 3.8 s
Apron Raise 4 s
Bail Lower 2.1 s
Bail Raise 1.5 s
Bowl Lower 3.5 s
Bowl Raise 3.5 s
Ejector Extend 8.5 s
Ejector Retract 8.5 s
Service Refill Capacities
Cooling System - Scraper 16.1 gal (US)
Cooling System - Tractor 19.8 gal (US)
Crankcase - Scraper 6.5 gal (US)
Crankcase - Tractor 13.7 gal (US)
Diesel Exhaust Fluid - Scraper 5.8 gal (US)
Diesel Exhaust Fluid - Tractor 8 gal (US)
Fuel Tank 370 gal (US)
Hydraulic System 37.5 gal (US)
Transmission System - Scraper 12.9 gal (US)
Transmission System - Tractor 29 gal (US)
Travel Speeds - Runout
Transmission Gear - Eighth 34.7 mile/h
Transmission Gear - Fifth 14.1 mile/h
Transmission Gear - First 3.4 mile/h
Transmission Gear - Fourth 10.5 mile/h
Transmission Gear - Reverse 6.2 mile/h
Transmission Gear - Second 6.2 mile/h
Transmission Gear - Seventh 25.7 mile/h
Transmission Gear - Sixth 19 mile/h
Transmission Gear - Third 7.7 mile/h

Features

Large Capacity Coal Scraper Bowl

Large Capacity Coal Scraper Bowl
Coal Bowls are longer and higher than standard scraper bowls, which allows Wheel Tractor-Scrapers 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.

Compaction

Compaction
Coal bowl scrapers are effective in compacting coal, which reduces the risk of spontaneous combustion of coal in the stockpile by eliminating the air spaces.

Tractor Serviceability Improvement

Tractor Serviceability Improvement
The fuel, water and engine oil are relocated at ground level on the right hand side of the machine for easy access.

Brakes

Brakes
Have been changed from an air actuated drum shoe brake to a hydraulic actuated tractor wet disc brake and a scraper dry caliper.

Tire Spin Reduction

Tire Spin Reduction
This feature will allow the machine to control the slip of the tractor tires only. When Tire Spin Reduction is selected the machine will control wheel spin on the tractor by keeping the slip in the optimal range for loading by adjusting engine rpms with no additional operator input.

Engine Over Speed Protection

Engine Over Speed Protection
In the event of an engine over speed situation, the compression brake or brakes will automatically engage with no operator input. The machine determines the over speed condition based on rate of acceleration and applies compression brakes automatically.

Advanced Cushion Hitch

Advanced Cushion Hitch
With similar technology as the Cat® Advanced Ride Management seat suspension, this software allows the cushion hitch to prevent end stroke by having the ability to predict end stroke events and manage the rate of dampening. Resulting in reduced hitch maintenance and improved operator ride in rough conditions.

High Pressure Steering

High Pressure Steering
K Series steering system design requires significantly less steering effort. The reduced steering effort will allow for decreased operator fatigue and a more efficient operator resulting in possible higher rates of production late in the work cycle.

Auto Stall

Auto Stall
In cold weather conditions the machine will use the Auto Stall feature to help warm up the transmission oil faster resulting in the machine shifting out of torque converter drive (2nd gear) faster than on previous models.

Differential Lock Engagement Protection

Differential Lock Engagement Protection
This standard feature allows the machine to prevent the operator from engaging the differential lock when damage could occur.

Cab Improved

Cab Improved
The K Series cab interior improves operator comfort and visibility. The overall interior is 21% larger than the G Series cab.

Machine Speed Limit

Machine Speed Limit
This feature is designed to take the place of top gear selection. If the machine top speed needs to be limited the operator can select the top speed through the display or the top speed can be set in ET. This will allow the machine to find the correct gear that works best for the engine and transmission. Allowing the engine and transmission to select the correct gear to pull the load in most cases resulting in a lower engine load factor and lower fuel burn verses using top gear selection that required the machine to run at engine speeds at or close to high idle.

Ground Speed Control

Ground Speed Control
Ground Speed Control sets the desired top speed by the operator if job site conditions or segment speed limits require a speed less than full run out. Machine Speed Limit is intended for use when top speed needs to be limited for longer durations and Ground Speed Control is intended for use when the top speed needs to be reduced for shorter segments or intermediate periods of time. The operator can set the desired top speed and the machine will find the correct gear that works best for the engine and transmission. In most cases, allowing the engine and transmission to select the correct gear to pull the load will result in a lower engine load factor and lower fuel burn verses top gear selection.

Fuel Economy Mode

Fuel Economy Mode
This is a two part feature when selected, the first part of the feature lowers the transmission shift points allowing shifting to take place at lower rpms to aid in fuel savings. The second part of the Fuel Economy Mode allows the machine, when operated at engine rpms less than full throttle, to automatically vary the power distribution between the tractor and the scraper, allowing the machine to utilize the more efficient tractor power train vs. the full time torque convertor drive scraper power train.

Sequence Assist (Optional Attachment)

Sequence Assist (Optional Attachment)
This option uses cylinder position sensors to automate bowl, apron and further implement controls throughout the four core work cycles: Dig, Haul, Unload and Return. When utilized this can reduce up to 14 individual operator commands per cycle. Sequence Assist simplifies control over the implements, reduces joystick usage, automatically controls cushion hitch, transmission hold and ejector.

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