Cat® 824K Wheel Dozer Delivers Efficient Productivity with Long Term Durability for Optimum Value

For Worldwide release: September 2014
Release Number: 285PR14

The new Cat® 824K Wheel Dozer builds on the solid performance of predecessor models with engineering refinements in its power train, operator station and structures, and in features that enhance safety, serviceability and machine management. With a net power rating of 405 horsepower (302 kW) and a maximum operating weight of 74,966 pounds (34 004 kg), the 824K is available with six blade configurations ranging in capacity from 6.6 to 21.1 yd3 (5.0 to 16.2 m3) to customize it for production dozing, stockpile dozing or cleanup work.

The Cat C15 ACERT™ engine features an electronically controlled fuel delivery system, an engine idle shutdown system to conserve fuel by limiting idling time, and a delayed shutdown feature to ensure that the engine is not stopped until operating temperatures have stabilized. Drive train efficiency, fuel economy, and travel speeds are further enhanced with the lock-up clutch in the Cat torque converter, a feature that reduces both drive train power losses and system heat. Two engine options are available that meet either U.S. EPA Tier 4 Final/EU Stage IV emission standards or U.S. EPA Tier 3/EU Stage IIIA equivalent emission standards.

For further drive train efficiency, the smooth-shifting, electronically controlled, 4F/4R Cat power shift transmission can be set by the operator to automatically upshift or downshift based on machine speed. In addition, the Single Clutch Speed Shifting controls allow the 824K to carry momentum through range shifts for high productivity and fuel savings.

Both operating efficiency and operator convenience get a boost with the left foot pedal, which serves as an engine decelerator, transmission neutralizer and brake, depending on the degree of application. As a decelerator, the left pedal allows the operator to temporarily reduce engine speed by overriding the throttle lock setting when maneuvering around obstacles. Additionally, a new fuel tank provides minimum 12 hours operation, depending on the application.  An optional tire pressure monitoring system provides real time information to the operator in the cab, ensuring proper inflation and optimizing tire life.

The STIC™ (Steering and Transmission Integrated Control) system allows single-lever steering and transmission control. Simple side-to-side movements of the STIC lever provide up to 43 degrees of steering articulation in both directions for precise maneuverability, and buttons on the lever provide fingertip control of directional and range shifting.

Operator environment
A primary focus for the 824K design is operator convenience and safety, such as providing lighted, shallow-angle stairways for entering and exiting the cab and designing the STIC armrest to fold away for added room when entering or leaving the seat. Also, the Cat Comfort Series air-suspension seat features extra thick cushions and moves both the attached electro-hydraulic STIC-control pod and electro-hydraulic implement-control pod when adjusted.

The cab, isolation-mounted to the frame, is pressurized with filtered air, and the selected temperature is maintained automatically. The control panel uses large, backlit switches with LED indicators, and a simple two-position rocker switch controls the parking brake. An optional rearview camera with in-cab monitor increases operator awareness.

Serviceability and machine management
To promote the safety of personnel servicing the 824K, routine maintenance points are grouped and accessible from ground level or from non-skid walkways that are protected with handrails. Swing-out doors on both sides of the engine compartment provide easy access to daily service checks, and ecology drains simplify service and help prevent spills. In addition, a ground level power service center has electrical disconnect, emergency engine shutdown and stairway light switches.

To further complement serviceability, the Cat Vital Information System, VIMS™ 3G, integrated into the 824K design keeps operators informed about machine operating conditions via a graphic display that features a touch-screen interface. To expand machine monitoring capability, the Cat Product Link™ system provides event and diagnostic codes, as well as data such as operating hours, fuel level and idle time. This information is transmitted to a secure web-based application, VisionLink®, which can convey information to machine owners and dealers, including working time versus idle time and mapping functions.

Durable structures
The 824K design integrates massive, purpose-built structures and heavy-duty components that can support multiple rebuilds. The new dozer features a full box-section rear frame designed to resist twisting forces and shock encountered in heavy dozing. Steering cylinder mounts are designed to effectively dissipate steering loads into the frame, and axle mounts are heavy duty components that contribute to the overall structural integrity. This robust design results in significant cost savings and sustained optimum performance over the life cycle of the 824K.

824K Wheel Dozer Specifications

Engine Cat C15 ACERT
Net power, hp (kW) 405 (302)
Torque, net, lbf-ft (N∙m) 1,479 (2 005)
Emissions rating Tier 3/Stage IIIA equivalent or
Tier 4 Final/Stage IV
Operating weight, lb (kg) 74,966  (34 004)
Blade capacities, yd³ (m³) 6.6-21.1 (5.0-16.2)
Transmission type 4F/4R planetary PS
Travel speed, mph (km/h) 21.6 (34.8)

Detailed Product Information

Detailed product information can be found at the links below:

Print Media

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Cat 824K Wheel Dozer dumping material onto a pile.

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Cat 824K Wheel Dozer trimming berm.

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Cat 824K Wheel Dozer moving a boulder.

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Note to Editors: Caterpillar rolls out products and services in each of its territories at different time intervals. Although every effort is made to ensure that product information is released only after Caterpillar has received confirmation from our dealer network, our plants, and our marketing subsidiaries that products and services are available in the relevant region, editors are kindly requested to verify with their local dealer for product availability and specifications.

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