 |  | Power Train
The Cat C27 MEUI ACERT™ engine is U.S. EPA Tier 3/EU Stage IIIa compliant and with with an air-to-air aftercooler, axle-shaft brakes, impeller clutch torque converter and planetary electronic power shift transmission form a responsive, fuel efficient power train. |
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| | Cat C27 ACERT Engine
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Aftercooler
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High Injection Pressures
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Variable Injection Timing and Duration
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Injection Rate Shaping
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Fewer Mechanical Parts
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C27 Electronic Control
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Oil-Cooled Pistons and Full-Length, Water-Cooled Cylinder Liners
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Engine Oil Cooler
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 | | Impeller Clutch Torque Converter (ICTC)
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 | | 1 Impeller Clutch
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2 Lock-Up Clutch
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 | | Planetary, Electronic, Power Shift Transmission
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Final Drives
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 | | Axle-Shaft, Oil-Disc Brakes
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Parking Brake
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Secondary Brakes
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Service Brakes
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Starting System
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 | | Cooling System
The Next Generation Modular Cooling System with Air-to-Air Aftercooling System has been added to the 990H to help meet emissions requirements and improve efficiency, serviceability, visibility and sound levels. |
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| | Next Generation Modular Radiator (NGMR) with Air-to-Air Aftercooling System (ATAAC)
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 | | ATAAC System
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Separated Cooling System
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Serviceability
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Two-Pass System
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 | | Hydraulic System
Increased high-pressure hydraulics give you fast lift and dump speeds. Two separate hydraulic systems and load-sensing steering are the invisible force behind the muscle and flexibility of the 990H. |
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 | | Two Separate Hydraulic Systems
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Fast Cycle Times
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High Pressure Hydraulic System
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Load-Sensing Steering System
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Hydrostatic Cooling Fan
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 | | Structures
The integrated structural components of the 990H provide a stable, well-balanced system. The full box-section rear frame, four plate loader tower, Z-bar loader linkage and solid steel lift arms work together to enable a loaded bucket to move smoothly through the lift and dump cycle. |
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Structure Construction
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1 Box Section Rear Frame
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2 Four-Plate Loader Tower
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3 Design
Is for optimum strength. The 990H is equipped with a single-tilt Z-bar loader linkage with cast cross tube, cast tilt lever, solid plate lift arms, serviceable grease B-pin and center-point frame articulation. |
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 | | 4 Computer-Controlled Machining
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5 Optional High Lift Linkage Configuration
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 | | Buckets and Bucket Match
A wide selection of ruggedly designed buckets along with a variety of edge and tip options allow you to match the machine to the job. |
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Buckets
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 | | Rock Buckets
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 | | Heavy-Duty Quarry Bucket
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 | | High Abrasion Bucket
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 | | Buckets and Ground Engaging Tools (GET)
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K-Series GET
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Tips
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Custom Buckets
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Bucket Controls
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Lift Circuit
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Tilt Circuit
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 | | Operator's Station
Designed to maximize operator productivity with the STIC control system, Computerized Monitoring System and Comfort Series seat with trainer seat and lapbelt and many other features that enhance productivity through operator comfort. |
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Cab Design
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1 STIC Control System
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2 Left Pedal
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3 Comfort Series Seat
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5 Floor-Mounted Hydraulic Controls
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6 Electronic Monitoring System III (EMS III)
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7 Axle Temperature Sensor
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8 Throttle Lock
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9 Rimpull Control System Switch
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 | | 10 Rimpull Control System (RCS)
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11 Optional Payload Control System II
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Payload Control System II Monitor
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12 Optional Ride Control System
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Quick-Shift Feature
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Bucket Controls
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Lift Circuit
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Tilt Circuit
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 | | Application Truck Match
Increased performance and good pass matching make the 990H a versatile performer. |
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 | | Truck Match
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 | | High Lift Arrangement Optional Attachment
Provides more dump clearance and reach than the standard arrangement and increases productivity. |
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High Lift Arrangement
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Truck Match
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Buckets
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 | | Serviceability
Rear access stairs, large engine doors, convenient service platform with large doors and bolt-on panels make service on the 990H quick and easy. |
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Easier Maintenance and Repair
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1 Daily Maintenance Checks
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2 Next Generation Modular Radiator
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3 Lube Points
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4 Swing-Out Doors
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5 Hinged Doors
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6 Shock Resistant Lights
Are replaceable by hand, not requiring the use of any tools. |
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7 Batteries
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8 New Larger Fuel Tank
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9 Electronic Monitoring System III (EMS III)
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• Diagnostic Connector
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 | | Complete Customer Support
Your Cat dealer offers a wide range of services that help you operate longer with lower costs. |
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Machine Selection
Make detailed comparisons of the machines under consideration before purchase. Cat dealers can estimate component life, preventative maintenance cost and the true cost of lost production. |
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Purchase
Look past initial price. Consider the financing options available as well as the day-to-day operating costs. Look at dealer services that can be included in the cost of the machine to yield lower equipment owning and operating costs over the long run. |
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Customer Support Agreements
Cat dealers offer a variety of product support agreements and work with customers to develop a plan that best meets specific needs. These plans can cover the entire machine, including attachments, to help protect the customer’s investment. |
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Product Support
You will find nearly all parts out our dealer parts counter. Cat dealers use a worldwide computer network to find in-stock parts to minimize machine downtime. Save money with genuine Cat Reman parts. You receive the same warranty and reliability as new products at cost savings of 40 to 70 percent. |
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Operation
Improving operating techniques can boost your profits. Your Cat dealer has training videotapes, literature and other ideas to help you increase productivity. |
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Maintenance Services
Choose from your dealer’s range of maintenance services when you purchase your machine. Repair option programs guarantee the cost of repairs up front. Diagnostic programs such as S•O•SSM and Coolant Sampling and Technical Analysis help you avoid unscheduled repairs. |
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Replacement
Repair, rebuild or replace? Your Cat dealer can help you evaluate the cost involved so you can make the right choice. |
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