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Engineered for performance, designed for comfort, built to last.
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The Cat oil-cooled braking system delivers reliable performance and control in the most extreme haul road conditions. The integrated system combines the service, secondary, parking brake and retarding functions in the same robust system for optimum braking efficiency.
All control modules communicate via the Cat Data Link and work together as an integrated system to maximize production efficiency and extend component life.
Caterpillar four-wheel, forced oil-cooled, multiple disc service brakes are continuously cooled by water-to-oil heat exchangers for exceptional, non-fade braking and retarding performance.
Extended life friction material has double the wear life of standard brakes and is twice as resistant to glazing for more consistent braking power with less noise.
Cat oil-cooled disc brakes are designed with large discs and plates for reliable, adjustment-free operation and performance. Brakes are completely enclosed and sealed to prevent contamination and reduce maintenance.
An oil film prevents direct contact between the discs. This design absorbs the braking forces by shearing the oil molecules and carrying heat away to extend brake life.
The Caterpillar two-piece piston design combines the service, secondary, parking brake and retarding functions in the same system. The primary piston hydraulically actuates both service and retarding functions. The secondary piston is spring-applied and held in the disengaged position by hydraulic pressure. If hydraulic system pressure drops below a specified level, the spring-applied secondary piston automatically applies the brakes.
Oil-cooled, spring-applied, hydraulically released parking brake is applied to all four wheels for superior parking capability on all grades up to 15 percent.
Hydraulically activated automatic retarder control system electronically controls retarding on grade to maintain optimum engine rpm and oil cooling. Additional braking may be applied using the manual retarder or the brake pedal. HARC is deactivated when the operator applies the brake or accelerator controls.
HARC allows the operator to maintain optimum engine speeds for faster downhill hauls and greater productivity.
Automatic brake modulation offers a smoother ride and better control in slippery conditions, allowing the operator to concentrate on driving.
HARC increases operating ease, resulting in greater operator confidence with less fatigue.
Automatically activates HARC when engine speed exceeds factory preset levels, regardless of operator inputs, to avoid potentially damaging engine overspeeds.
Four corner retarding with 60/40 percent split (rear/front) in braking effort provides superior control in slippery conditions. Balanced front to rear brake torque provides exceptional braking performance and minimizes wheel lock-up, especially during retarding.
Electronically monitors and controls rear wheel slippage for greater traction and enhanced truck performance in poor underfoot conditions. If slippage exceeds a set limit, the oil-cooled disc brakes engage to slow the spinning wheel. Torque is then automatically transferred to the wheel with better traction.
Normal differential action provides superior maneuvering and control in slippery conditions.
Combines Hydraulic Automatic Retarder Control (HARC) and Traction Control System (TCS) into one integrated brake control system for optimum efficiency, performance and reliability.
The engine provides additional retarding by running against compression on downhill hauls. During retarding applications the engine ECM does not inject fuel into the cylinders for exceptional fuel economy.
Caterpillar offers three specific body styles and custom body options to help customers obtain the lowest cost-per-ton hauling solution.
Selection of the right body depends on material and haul road conditions. The better the match of body to application, the greater the efficiency. Your Cat dealer can help you select the right body system for your site specific applications.
Caterpillar truck bodies are designed and matched with the integrated chassis system for optimum structural reliability, durability and long life.
Provides the operator with better control of the load when dumping, including over-center load control and modulated control throughout the operating range. The automatic body snubbing feature reduces impact on the frame, hoist cylinders and operator.
Two-stage hoist cylinders provide fast dump cycle times of 20.25 seconds for raise and 17.5 seconds for lower.
A variety of liner options are available to save weight and extend the body system's life. Wear surfaces and liners are equipped to handle tough impact loads while resisting abrasion. Wear plates deliver long life in high wear areas. Modular liner plate packages:
Tail extensions, sideboards, tumblebars, rock boxes and rock shedders are available to maintain rated payload, reduce spillage, and improve hauling efficiencies.
Your Caterpillar Dealer can help you manage to target payload to maximize equipment utilization, ensure safe operation, increase productivity and lower cost-per-ton.
Cat truck bodies are designed for optimal strength, capacity and durability. Wear surfaces are equipped to handle even the toughest impact and abrasion over the long haul without diminishing capacity.
The dual-slope body design with V-shaped floor provides excellent load retention, maintains a low center of gravity, reduces shock loading, and maintains optimum load distribution on steep inclines and in challenging haul road conditions.
The flat floor design with slight incline delivers excellent payload capacity, high dump clearances and smooth, controlled dumping.
The lightweight MSD II body is based on the flat floor design and is customized to maximize payload potential and minimize cost-per-ton. Each MSD II body design begins with a detailed mine site profile to develop a body suitable for a mine's individual needs.
The 793D frame uses a box-section design, incorporating two forgings and 24 castings in high stress areas with deep penetrating and continuous wrap-around welds to resist damage from twisting loads without adding extra weight.
Resiliently mounted to the main frame to reduce vibration and sound, the integral ROPS is designed as an extension of the truck frame. The ROPS/FOPS structure provides "five sided protection" for the operator.
Designed to dissipate haul road and loading impacts for longer frame life and a more comfortable ride.
Easy access to daily service points simplifies servicing and reduces time spent on regular maintenance procedures. Enhanced serviceability and 500-hour service intervals are designed to increase machine availability and productivity.
Provides access to engine, air filters, steering hydraulic tank and battery compartment.
Permits easy access to major components for easy servicing and removal.
Allows convenient servicing to tanks, filters, drains, and engine shutdown. Ground-level VIMS data port permits easier downloading of information.
Automatic lubrication system reduces maintenance time by automatically lubricating necessary components on a regular basis.
Optional Wiggins fast fill service center features high speed fuel and oil exchange.
Optional on-board engine oil management system is designed to increase availability and productivity by extending oil change intervals and reduce oil disposal labor and costs. ORS meters and injects used engine oil from the crankcase into the engine's fuel return line. New oil is manually added as a part of daily maintenance.
S•O•SSM sampling valves speed sampling and analysis reliability.
Disconnect valves are conveniently located throughout the hydraulic systems for easy pressure testing.
Radial seal air filters are easy to change, reducing time required for air filter maintenance.
Electrical connectors are sealed to lock out dust and moisture. Harnesses are braided for protection. Wires are color coded for easy diagnosis and repair.
Individual cylinder heads are interchangeable for easy removal and visual inspection of internal parts.
The VIMS system continuously checks all critical machine functions and components, and helps locate faults quickly for faster repair. Electronic control system enables quick diagnosis of engine conditions and effective maintenance and repairs utilizing the Electronic Technician (Cat ET) service tool.
The left side mirror mounting bracket is more robust and allows mirror glass to be easily replaced, without the need for a new mirror assembly. New mirror glass slides in and out of the carrier, reducing downtime and maintenance costs.
Caterpillar has been and continues to be proactive in developing mining machines that meet or exceed safety standards. Safety is an integral part of all machine and systems designs.
The 793D is designed to many national and international standards.
Resiliently mounted to the main frame to reduce vibration and sound, the integral ROPS structure is designed as an extension of the truck frame. The ROPS/FOPS structure provides "five sided protection" for the operator.
A wide, stationary stairway allows easy access to and from the machine. The ladder on the left side of the machine permits secondary access or emergency egress.
Four corner oil-cooled braking system provides excellent control in slippery conditions. The service brakes and retarding system are actuated by modulated hydraulic pressure, while secondary and parking brake functions are spring applied and hydraulic released. This system assures braking in the event of complete hydraulic failure.
A twin double-acting cylinder steering system is designed to deliver precise control under all loading and underfoot conditions. The steering hydraulic system is separate from the main hydraulic system to prevent cross-contamination and overheating from other sources.
A secondary engine shutoff switch is located at ground level.
A battery disconnect switch, located directly above the front bumper provides ground level lockout of the electrical system.
Safety is integral to maintaining the highest productivity in mining machine operation. The Caterpillar 10/10/20 Overload Policy assures that steering and braking systems have sufficient capacity to perform, even at 20% overload.
The Cat mechanical drive power train and power shift transmission provides unmatched operating efficiency and control on steep grades, in poor underfoot conditions, and on haul roads with high rolling resistance.
The Cat six-speed planetary power shift transmission is matched with the direct-injection 3516B HD diesel engine to deliver constant power over a wide range of operating speeds.
Combines maximum rimpull and cushioned shifting of torque converter drive with the efficiency and performance of direct drive. The lock-up torque converter engages at approximately 8 km/h (5 mph), delivering more power to the wheels.
Cat final drives work as a system with the planetary power shift transmission to deliver maximum power to the ground. Built to withstand the forces of high torque and impact loads, double reduction final drives provide high torque multiplication to further reduce drive train stress.
The 793D is available in four different normal altitude configurations, and a high altitude arrangement. All configurations deliver increased speed on grade and include key components that are performance matched to the hauling application and site conditions.
The standard arrangement is designed for exceptional, all-around performance. Three factors combine to produce up to 9% more power at the wheels than the 793C, including: 5% more engine horsepower; a common rail hydraulic system for greater power train efficiency; and a hydraulically driven demand fan that reduces parasitic load by operating only when needed. More power at the wheels reduces cycle times and lowers cost-per-ton.
Developed for uphill hauling applications, this arrangement is designed to extend wheel life and hauling performance on long uphill hauls. Extended life wheel groups are built with larger, more durable components, including larger spindles, wider wheel bearing spacing, a larger braking surface, and extended life friction disc material for longer brake life and more time between overhauls.
Developed for long, flat haul applications, the extra top speed configuration delivers a 10% increase in maximum speed to 60 km/h (37 mph) via a new input transfer gear group. This arrangement also includes Extended Life Wheel Groups.
Developed for downhill loaded applications, this configuration typically delivers an extra gear of retarding capability of 35% more speed on downhill grades. Extra retarding is achieved by adding more robust wheel groups, larger brakes, extended life friction material, and additional cooling capacity.
Developed for high altitude applications, the 3516B short stroke engine delivers enhanced power management at higher altitudes - from 2750 to 1600 m (9,000 to 12,000 ft). This arrangement also includes Extra Retarding.
The Cat 3516B High Displacement EUI quad turbocharged and aftercooled diesel engine produces 5% greater power with enhanced power management capability for maximum hauling performance in the most demanding mining applications.
The 3516B is a 16-cylinder, four-stroke design that uses long, effective power strokes for more complete fuel combustion and optimum efficiency.
The Cat 3516B High Displacement engine is compliant with U.S. Environmental Protection Agency Tier I emissions standards.
Designed for maximum operating efficiencies at altitudes under 2750 m (9,000 ft).
The optional Cat 3516B quad and series turbocharged aftercooled short stroke engine provides full power with no deration at altitudes greater than 2750 m (9,000 ft).
The 23% net torque rise provides unequalled lugging force during acceleration, on steep grades and in rough underfoot conditions. Torque rise effectively matches transmission shift points for maximum efficiency and fast cycle times.
High displacement, low rpm rating and conservative horsepower ratings mean more time on the haul roads and less time in the shop.
New single-piece forged steel pistons with integrated forged steel skirt are more robust to withstand high engine heat and pressure and enable enhanced combustion efficiency, improved fuel efficiency and lower emissions. Corrosion resistant, stainless steel top ring reduces ring, groove and liner wear for greater reliability and longer life.
The electronically controlled unit injection fuel system senses operating conditions and regulates fuel delivery for optimum fuel efficiency. The proven high-pressure fuel system provides improved response times and more efficient fuel burn with lower emissions and less smoke.
ECM utilizes advanced engine management software to monitor, control and protect the engine utilizing self-diagnosing electronic sensors. The computerized system senses operating conditions and power requirements and adjusts engine for peak performance and most efficient operation and at all times.
The 793D operator station is ergonomically designed for total machine control in a comfortable, productive and safe environment. All controls, levers, switches and gauges are positioned to maximize productivity and minimize operator fatigue.
Integral, sound-suppressed ROPS/FOPS cab is resiliently mounted to the mainframe to isolate the operator from sound and vibration for a quiet, secure and comfortable ride.
Designed for excellent all-around visibility and clear sight lines to the haul road, the large viewing area enables the operator to maneuver with confidence for high productivity.
1) Air Suspension Seat w/ Three-Point Operator Restraint
Ergonomically designed, fully adjustable air suspension seat with adjustable armrests provides optimal driving comfort. A wide, retractable 3-point seat/shoulder belt provides a secure, comfortable restraint.
2) Hoist Lever
Four-position, low-effort electronic hoist control system with fingertip control is mounted next to the operator's seat for ease of operation.
3) Secondary Brake Pedal
Conveniently located on the floor for easy operator control.
4) Monitoring System
The VIMS system features an easy-to-read display and easy-to-use operator input keypad for precise machine status information.
5) Steering Column
Comfort wheel with tilt and telescoping steering provides a comfortable driving position.
6) Transmission Console
Ergonomic gear shift lever with backlit gear indicators optimize efficiency.
7) Parking Brake Reset Valve
Parking brake cannot be released when air system is drained until valve button is reset.
8) Storage Compartment
Located under the trainer seat for a safe, uncluttered working environment.
9) Trainer Seat
Full-size, fully padded trainer seat features a backrest, wide hip and shoulder room, and seat belt for secure travel. Air suspension, optional.
10) Operator Window
Powered operator window and sliding trainer seat window offer simple operation and an unobstructed view.
11) Operator Controls
Easy to reach turn signal, high beam, intermittent windshield wiper and windshield washer controls are designed for optimum efficiency and comfort.
12) Heating/Air Conditioning
Electronically controlled four-speed fan and eleven vents deliver temperature-controlled air circulation for a comfortable working environment in any climate. More robust air compressor offers greater durability and longer life.
Cab is prewired with power converter, speakers, wiring harness, antenna and mounting locations for add-on radio, closed circuit TV, and MineStar® systems.
Intelligent, Caterpillar designed machine monitoring system provides critical machine health and payload data in real-time to keep the 793D performing at top production levels.
VIMS system simplifies troubleshooting, reduces downtime and lowers operating costs by identifying abnormal conditions before they cause extensive damage.
Monitoring and diagnostic information is stored on-board until it can be downloaded for analysis. Data can be accessed through the message center, transmitted via optional radio or downloaded onto a computer for detailed analysis.
Service technicians or mine personnel can download data and generate reports for better machine management. Data can be used to improve effectiveness of scheduled maintenance programs, maximize component life, improve machine availability, and lower operating costs.
Monitors three systems: engine speed, ground speed and gear indicator.
Conveniently located gauge cluster maintains a constant display of vital machine functions, including:
Provides operator or service technician immediate access to current machine information, gauge values and stored data through the message center display.
Displays messages requested by operator and advises operator of abnormal machine conditions.
Three-category warning system alerts operator of abnormal machine health conditions.
Production Management enhances truck/loading tool effectiveness, improves fleet productivity and helps extend the life of truck frames, tires, rims and power train components, while lowering operating and maintenance cost.
VIMS-PC, the off-board reporting software program, allows service personnel to download a complete record of machine health and productivity data to a laptop computer for diagnosis and analysis. Easy-to-use software enables service technicians and mine personnel to generate health and payload reports for more effective machine management.
Optional software allows mine personnel to easily manage and interpret VIMS data for optimum fleet management and productivity.
Electronically integrates machine computer systems to optimize overall power train performance, increase reliability and component life, and reduce operating costs.
Cat ET service tool provides service technicians with easy access to stored diagnostic data through the Cat Data Link to simplify problem diagnosis and increase machine availability.
IBC integrates Hydraulic Automatic Retarder Control and Traction Control into one system for optimum performance and efficiency.
The system, also known as common rail hydraulics, reduces parasitic (unused, wasted) losses in the power management system components and the new hydraulic fan drive system. The system is operated by two new variable displacement piston pumps. These pumps primarily provide for the steering and cooling functions, and are independent of the brake and hoist circuit. One pump is dedicated to a new on-demand hydraulic fan drive system. The other pump feeds a new priority valve and provides hydraulic pressure and flow to feed steering, brake cooling, rear axle filtration (RAX), and the optional RAX cooler systems. The system continues to allow priority for the steering system while using an improved power management scheme for brake cooling and RAX functions. By reducing the losses, the system is able to provide more horsepower to the ground.
Cat dealers offer a wide range of solutions, services and products that help you lower costs, enhance productivity and manage your operation more efficiently. Support goes far beyond parts and service. From the time you select a piece of Cat equipment until the day you rebuild, trade or sell it, the support you get from your Cat dealer makes the difference that counts.
Cat dealers will provide the level of support you need, on a global scale. Dealer expert technicians have the knowledge, experience, training and tooling necessary to handle your repair and maintenance needs, when and where you need them.
Cat dealers believe superior products deserve superior support. When Cat products reach the field, they are supported by a worldwide network of parts distribution facilities, dealer service centers, and technical training facilities to keep your equipment up and running. Cat customers rely on prompt, dependable parts availability and expertise through our global dealer network, ready to meet your needs 24/7.
Every piece of Cat equipment is designed and built to provide maximum productivity and operating economy throughout its working life. Cat dealers offer a wide range of service plans that will maximize uptime and return on your investment, including:
Operating and maintenance costs are influenced by many application and site-specific factors, such as: material density, loading position, payload, grades, speeds, haul road design, and maintenance. To optimize total cost of ownership and productivity, your Cat dealer can provide you with a fundamental understanding of the effects application characteristics and operating techniques have on maintenance and operating costs.
With today's complex products, equipment operators must have a thorough understanding of machine systems and operating techniques to maximize efficiency and profitability. Your Cat dealer can arrange training programs to help operator's improve productivity, decrease downtime, reduce operating costs, enhance safety, and improve return on the investment you make in Cat products.
Cat dealers offer a range of advanced technology products such as VIMS® monitoring system and MineStar® information management system. These products include radio data communications, machine monitoring and diagnostics, fleet management, and haul road maintenance software - all designed to improve fleet efficiency, increase productivity, and lower costs.
For more complete information on Cat products, dealer services, and industry solutions, visit us on the web at www.tiplindia.in/cat
