Dual Engines allow Coal Bowl Scrapers to achieve maximum payloads and deliver fast cycle times.
All-Wheel-Drive allows the machine to work effectively in poor underfoot conditions and climb piles of slippery, loose coal.
Coal Bowls are longer and higher than standard scraper bowls, which allows you to haul 50 cubic yards (38 cubic meters) with a 637G.
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.
Coal Bowl Scrapers are effective in compacting coal, which reduces the possibility of spontaneous combustion in the coal stockpile. This allows your company to meet plant safety regulations and eliminates the need for additional compaction equipment.
When incoming coal shipments cannot satisfy your coal burn requirements, you need a way to reclaim the coal off the stockpile. Coal Bowl Scrapers can move coal from the stockpile to the inlet supply of the plant.
Coal Bowl Scrapers allow you to create your coal stockpile by self-loading coal in the receiving area, hauling it to the stockpile area, and dumping coal in thin lifts.
There's no question, Cat Wheel Tractor-Scrapers stand for reliability and high productivity. Most important, you have a partner, the renowned Cat dealer network, to provide you with unmatched service that minimizes your downtime.
With both great rates and great service, Cat Financial will assist you in financing your next Wheel Tractor-Scraper.
Improving operating techniques can boost your profits. Your Cat dealer has training videotapes, literature and other ideas to help you increase productivity.
More and more equipment buyers are planning for effective maintenance before buying equipment.
You will find nearly all parts at our dealer parts counter.
Repair, rebuild or replace? Your Cat dealer can help you evaluate the costs involved so you can make the right choice.
Proven Cat engines provide the power and torque rise for excellent lugging in tough loading conditions.
The fuel system and Electronic Control Module on the C18 tractor engine economically and precisely deliver fuel.
High injection pressures, independent of engine speed, decrease smoke and emissions while improving response.
Variable injection timing and duration improve fuel efficiency and cold starting, decrease smoke and emissions.
Injection rate shaping reduces emission and engine noise.
Fewer mechanical parts in the fuel system improves reliability.
Electronic control provides automatic altitude deration and automatic air filter restriction deration.
Multiple horsepower ratings limit output in first and second gears unless the operator has the auger or elevator engaged.
Neutral start control prevents engine from starting unless transmission is in neutral.
Throttle back-up provides the operator with a preset engine speed control in the event of a throttle input failure.
The throttle lock allows the operator the capability of locking both engines at any operating level.
Directional shift management prevents the operator from shifting out of neutral when engine rpm is above a preset level.
Controlled throttle shifting increases drivetrain life by reducing the fuel injection rate just prior to shifting.
Automatic ether starting aid greatly improves cold weather starting.
Electronic ground level shutoff enables the operator to stop the engine from the ground with the flip of a switch.
Steel spacer plate between the block and head eliminates the need for counterbores and helps prevent associated cracking problems.
Oil-cooled pistons and full-length water-cooled cylinder liners provide maximum heat transfer for longer component life.
The aftercooler lowers intake charge air temperature to increase power and reduce thermal stresses that can cause premature wear of pistons, rings, and liners.
Engine oil cooler maintains optimum oil temperature for proper cooling and longer lubricant life.
Laminated thermal-shield improves tractor protection by reducing the temperature of exposed engine surfaces, cools engine and operating compartments, extends hose and wiring life.
Direct injection fuel system is adjustment-free with individual injection pumps and valves.
An optional hydraulic retarder can extend brake life.
Eight-speed power shift transmission provides automatic, on-the-go shifting for simple, reliable operation.
Neutral coast inhibitor control helps prevent the transmission from shifting to neutral at speeds above 8.1 km/h (5 mph).
Top gear control helps prevent shifting above a programmed gear to better regulate haul road speeds.
Electronic Programmable Transmission Control (EPTC II) records both current and intermittent faults.
The Caterpillar electronically controlled cushion hitch design dampens shocks to provide a smoother ride.
Nitrogen-over-oil accumulators absorb and dampen road shocks.
Electronically controlled cushion hitch locks down for positive control of the cutting edge during loading and dumping.
Double kingbolt design withstands high external forces and allows easy installation and removal.
Extensive use of steel castings eliminates many welded joints, making a strong hitch.
Caterpillar Coal Scraper bowls come from the factory especially built for coal handling.
An auger mechanism in the bowl improves self-loading capabilities by lifting material off of the cutting edge and carrying it to the top of the load.
A coal-handling scraper has to keep working around the clock, in all kinds of weather and conditions.
Standard rubber-mounted cab reduces noise and vibration for comfortable, shift-long operation.
Low-effort controls are easily accessible for sure, precise operation.
Hydraulic servo-steering system provides low-effort automotive feel and excellent maneuverability.
Tilt steering column adjusts to five different positions for operator comfort and control.
A suspension seat delivers a comfortable ride.
The Electronic Monitoring System checks important machine systems and provides a three-level warning.
The operator's station includes radio compatible wires in the cab.
Scraper-mounted fuel tank improves access to tractor engine compartment.
Improved wiring harness incorporates color coded and numbered circuits for quick identification, minimum 10-amp fuses and improved connectors.
Diagnostic connector, with the aid of a service tool, allows quick analysis of the starting and charging circuits.
O-ring face seals help keep these machines 'dry'.
Centralized lubrication blocks for the hitch and steering reduce lube time.
Service points for the engine are grouped on the right side for easy access.
Service platforms and numerous handholds improve access and safety.
Increased component commonality with other Caterpillar scrapers/machines improves parts availability.
Electronic ground-level engine shut-offs for convenient operator and services areas.
Folded core radiator allows individual cores to be replaced as modules, reducing service time and expense.
The optional retarder extends brake life when working on severe, downhill slopes.
Rounded off bumpers reduce hooking into high walls.
Extensive use of castings in the frame, hitch and bowl provide long service life.
Wiring harness and hose assemblies run down the draft arms to eliminate the need for "jump-over" line which can reduce hydraulic system efficiency.
Standard tires provide the maximum flotation of the available options.
Scraper driveline guard protects the output case, differential and ejector cylinder to help minimize driveline maintenance costs.
Laminated Thermo-Shield helps keep surface temperatures in the engine compartment below the flash point of diesel fuel.
Your Caterpillar Dealer offers a wide range of services that can be set up under a customer support agreement when you purchase your equipment.
Make detailed comparisons of the machines you are considering before you buy.
Look past the initial price. Consider the financing options available as well as day-to-day operating costs.
Coal reserve management Only Caterpillar offers Wheel Tractor-Scrapers designed exclusively for your coal stockpiling and retrieval needs. The Cat® 637G Coal Bowl Scraper can construct and maintain your coal stockpiles, as well as haul loads to your inlet supply system to meet the burn requirements of the plant.
Units:
| Flywheel Power - Tractor/Scraper | 373 kw (500 hp) / 211 kW (283 hp) 373 kw (500 hp) / 211 kW (283 hp) | More |
| Flywheel Power - Tractor | 345 / 373 kW (462 / 500 hp) 345 / 373 kW (462 / 500 hp) | More |
| Flywheel Power - Scraper | 198 / 211 kW (266 / 283 hp) 198 / 211 kW (266 / 283 hp) | More |
| Tractor Engine | Cat® C18 with ACERT Technology Cat® C18 with ACERT Technology | More |
| Scraper Engine | Cat C9 with ACERT Technology Cat C9 with ACERT Technology | More |
| Scraper Capacity - Heaped | 50.0 yd³ 38.0 m³ | More |
| Top Speed - Loaded | 33.0 mile/h 53.0 km/h | More |
| Rated Load | 76000.0 lb 34473.0 kg | More |
| Scraper Capacity - Struck | 41.0 yd³ 31.0 m³ | More |
| 180° Curb-to-Curb Turning Width | 44.95 ft 13.7 m | More |
| Operating Weight - Loaded - Approximate | 194909.0 lb 88409.0 kg | More |
| Operating Weight - Empty - Approximate | 118909.0 lb 54050.0 kg | More |
| Height - Top of Scraper | 13.71 ft 4.18 m | More |
| Wheel Base | 31.27 ft 9.53 m | More |
| Length - Overall | 50.75 ft 15.47 m | More |
| Width - Overall | 12.93 ft 3.94 m | More |
| Tread - Scraper | 8.07 ft 2.46 m | More |
| Tread - Tractor | 8.07 ft 2.46 m | More |
CATERPILLAR
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