323D L^Non-Current

Performance

The Cat C6.4 with ACERT™ Technology offers more engine power, and runs at lower speeds for better fuel efficiency and reduced wear.

Power Management

Optimal machine performance for each type of application. The operator can change the work mode on the monitor from Standard (STD) to either Economy Mode (ECO) or High Horsepower Mode (HHP). Economy Mode is recommended for light duty applications to save fuel, whereas High Horsepower mode is recommended for high production applications where maximum forces and machine speed are needed.

Automatic Engine Speed Control

The two-stage, one touch control maximizes fuel efficiency and reduces sound levels.

ADEM™ A4 Engine Controller

The ADEM A4 electronic control module manages fuel delivery to get the best performance per liter of fuel used. The engine management system provides flexible fuel mapping, allowing the engine to respond quickly to varying application needs. It tracks engine and machine conditions while keeping the engine operating at peak efficiency.

Fuel Delivery

The Cat C6.4 features electronic controls that govern the fuel injection system. Multiple injection fuel delivery involves a high degree of precision. Precisely shaping the combustion cycle lowers combustion chamber temperatures, generating fewer emissions and optimizing fuel combustion. This translates into more work output for your fuel cost.

Cooling System

To reduce fan noise, the cooling fan is driven from a viscous clutch which is electrically controlled by the machines ECM. It calculates optimum fan speed based on the target engine speed, coolant temperatures, hydraulic oil temperature and actual fan speed. The Cat C6.4 delivers a completely new layout that separates the cooling system from the engine compartment.

Air Cleaner

The radial seal air filter features a double-layered filter core for more efficient filtration and is located in a compartment behind the cab. A warning is displayed on the monitor when dust accumulates above a preset level.

Emissions

The Cat C6.4 with ACERT Technology introduces a series of evolutionary, incremental improvements that provide breakthrough engine technology built on systems and components developed by Caterpillar with proven reliability. The technology capitalizes on Cat expertise in three core engine systems: fuel, air and electronics. By combining ACERT Technology with the new Economy Mode, customers can balance the demands of performance and fuel performance and fuel economy to suit their requirements and application.

Fewer Leak and Spills

Engine oil and encapsulated hydraulic oil filters are positioned vertically and are eeasy to reach to minimize spillage. Service intervals are extended to reduce the number of times fluids are changed and handled.
• Hydraulic oil service can be extended to 4000 hours with the S•O•SSM Oil Sampling program.
• In addition to the S•O•S program fine filtration system attachment extends the service interval to 5000 hours.
• Cat Extended Life Coolant extends service to 12,000 hours, creating less need for fluid disposal.

Component Layout

The 323D hydraulic system and component locations have been designed to provide a high level of system efficiency. The main pumps, control valves and hydraulic tank are located close together to allow for shorter tubes and lines between components which reduce friction loss, and pressure drops in the lines. The layout further provides greater operator comfort by placing the radiator on the cab side of the upper structure. This allows incoming air to enter the engine compartment from the operator side and hot air and corresponding engine sound to exit on the opposite side away from the operator. This reduces engine compartment heat and sound being transmitted to the operator.

Heavy Lift Mode

The 323D Heavy Lift Mode maximizes performance while boosting lifting capability. Heavy loads can be easily moved in the full working range of the machine maintaining excellent stability.

Hydraulic Cross Sensing System

The hydraulic cross sensing system utilizes each of the two hydraulic pumps to 100 percent, under all operating conditions. This improves productivity with faster implement speeds and quicker, stronger pivot turns.

Pilot System

The pilot pump is independent from the main pumps and controls the front linkage, swing and travel operations.

Boom and Stick Regeneration Circuits

Boom and stick regeneration circuits save energy during boom-down and stick-in operation. The regeneration circuits increase efficiency, reduce cycle time and pressure loss for higher productivity, lower operating costs and increased fuel efficiency.

Electronic Control System

Ten hydraulic pump flow settings can be preset. Factory Cat work tools matching the machine size class are standard preset.

Auxiliary Valve

The auxiliary valve is standard on the 323D. Control circuits are optional, allowing for operation of high and medium pressure work tools such as shears, grapples, hammers and pulverizers.

Hydraulic Cylinder Snubbers

Located at the rod-end of the boom cylinders and both ends of the stick cylinder to cushion shocks while reducing sound levels and extending component life.

Operator Station

The workstation is spacious, quiet and comfortable, ensuring high productivity during a long workday. The air conditioner and attachment switches are conveniently located on the right-hand wall, and the key switch and throttle dial are on the right-hand console. The monitor is easy to see and maximizes visibility.

Seat

The standard seat provides a variety of adjustments to suit the operator's size and weight including fore/aft, height and weight. Wide adjustable armrests and a retractable seat belt are also included.

Climate Control

Positive filtered ventilation with a pressurized cab is standard. Fresh air or re-circulated air can be selected with a switch on the right console.

Hydraulic Activiation Control Lever

For added safety, this lever must be in the "operate" position to activate the machine control functions.

Controls

The 323D uses pilot operated control levers, positioned so the operator can operate with arms on the armrests. The vertical stroke is longer than the horizontal, reducing operator fatigue. The control lever grips are shaped to fit into the operator's hands. The horn switch and one-touch low idle switch are positioned on the left and right grip.

Skylight

A unique large polycarbonate skylight provides very good upward visibility, especially useful in above ground applications.

Implement Controls

Easy to handle joy-sticks with integrated push buttons and sliding switches control all implement and swing functions. The sliding switches provide modulated control for hydro-mechanical tools and are designed to increase operator comfort and reduce operator fatigue.

Windows

To maximize visibility, all glass is affixed directly to the cab eliminating the use of window frames. 70/30 split windshield stores the upper portion above the operator. The lower front windshield features a rounded design to maximize downward visibility and improves wiper coverage.

Wiper

The wiper maximizes visibility in poor weather conditions. The windshield wiper is designed to cover the most amount of glass while maintaining a low profile, which helps overall operator visibility.

Cab Exterior

The exterior design uses thick steel tubing along the bottom and perimeter of the cab, improving the resistance of fatigue and vibration. This design allows the FOGS to be bolted directly to the cab, at the factory or as an attachment later, enabling the machine to meet specifications and job site requirements.

Tracks

The 323D comes standard with grease lubricated tracks. The track links are assembled and sealed with grease to decrease internal bushing wear, reduce travel noise and extend service life lowering operating costs.

Structures

Proven structural manufacturing techniques ensure outstanding durability and service life from these important components.

Carbody Design and Track Roller Frames

X-shaped, box-section carbody design provides excellent resistance to torsional bending. Track roller frames are press-formed, pentagonal units that deliver exceptional strength and service life.

Long Undercarriage

Durable Cat long undercarriage (L) maximizes stability and lift capacity. A long, wide and sturdy undercarriage offers a very stable work platform.

Rollers and Idlers

Sealed and lubricated track rollers, carrier rollers, and idlers provide excellent service life, to keep the machine in the field longer.

Front Linkage Attachments

Select the right combination of front linkage with your Cat dealer to ensure high productivity from the very start of your job. Two types of booms and three sticks are available, offering a range of configurations suitable for a wide variety of applications and offer a large combination of reach and digging forces for optimum versatility.

Boom Construction

The booms have large cross-sections and internal baffle plates to provide long life durability.

Reach Boom

The 5680 mm reach boom is designed to balance reach, digging force bucket capacity, offering a wide range of applications as digging, loading, trenching and working with hydraulic tools.

Mass Excavation Boom

The 5200 mm mass boom is designed to provide maximum digging forces, bucket capacity and truck loading productivity.

Stick Construction

Sticks are made of high-tensile strength steel using a large box section design with interior baffle plates and an additional bottom guard to protect against damage.

Reach Stick

One reach stick is available to maximize versatility in the machine configuration. • R2.5B1 - The 2500 mm stick uses larger capacity B1 family buckets and is best suited for trenching, excavation and general construction applications.

Mass Sticks

Two mass excavation sticks are available to choose from both of which provide higher digging forces and increased bucket capacity.
• M2.4CB2 - The 2400 mm stick provides a good balance of high forces and reach for same level truck loading applications.
• M1.9CB2 - The 1900 mm stick provides the most forces available and the largest bucket capacity for bench loading applications where longer reaches are not required.

Bucket Linkage

Two bucket linkages (B1 and CB2) are available, with lifting eye on the power link.

Power Link

The new power link improves durability, increases machine-lifting capability in key lifting positions, and is easier to use compared to the previous lift bar design.

Linkage Pins

All pins used in front linkages have thick chrome plating, giving them high wear and corrosion resistance. The large diameter pins smoothly distribute the shear and bending loads to help ensure long pin, boom and stick life.

Work Tools

Cat work tools are designed to function as an integral part of your excavator and to provide the best possible performance in your particular application. All work tools are performance-matched to Cat machines.

Quick Couplers

Quick couplers enable the operator to simply release one work tool and connect to another, making your hydraulic excavator highly versatile. Productivity also increases, as a carrier no longer needs to be idle between jobs. Caterpillar offers Pin Grabber and Dedicated versions either manually or hydraulically controlled to best fit your needs.

Buckets

Caterpillar offers a wide range of specialized buckets, each designed and tested to function as an integral part of your excavator. Buckets feature the new Caterpillar K Series™ Ground Engaging Tools.

Ripper

The Caterpillar TR-series ripper provides a powerful single point of penetration force to break out rock and other difficult to excavate material.

Hammers

Cat hammers deliver very high blow rates, increasing the productivity of your tool carriers in demolition and construction applications. Wide oil flow acceptance ranges make Caterpillar hammers suitable for a wide range of carriers and provide a system solution from one safe source.

Orange Peel Grapples

The orange peel grapple is constructed of high-strength, wear-resistant steel, with a low and compact design that makes it ideal for dump clearance. There are several choices of tine and shell versions.

Multi-Grapples

The multi-grapple with unlimited left and right rotation is the ideal tool for stripping, sorting, handling and loading. The powerful closing force of the grab shells combined with fast opening/closing time ensures rapid cycle time which translates to more tons per hour.

Multi-Processors

Thanks to its single basic housing design, the multi-processor series of hydraulic demolition equipment makes it possible to use a range of jaw sets that can handle any demolition job. The multi-processor is the most versatile demolition tool on the market.

Vibratory Plate Compactors

Cat compactors are performance matched to Cat machines, and integrate perfectly with the Cat hammer line -brackets and hydraulic kits are fully interchangeable between hammers and compactors.

Shears

Cat shears provide superior and effective scrap processing, and are highly productive in demolition environments. Shears are compatible with a matching Cat excavator, and bolt-on brackets are available for either stick or boom-mounted options.

Consoles

Redesigned consoles feature a simple, functional design to reduce operator fatigue, ease of switch operation and excellent visibility. Both consoles have attached armrests with height adjustments.

Cab Mounts

The cab shell is attached to the frame with viscous rubber cab mounts, which dampen vibrations and sound levels while enhancing operator comfort.

Standard Cab Equipment

To enhance operator comfort and productivity, the cab includes a lighter, drink holder, coat hook, service meter, literature holder, magazine rack and storage compartment.

Monitor Display Screen

The monitor is a full color 400x234 pixels Liquid Crystal Display (LCD) graphic display. The Master Caution Lamp blinks On and Off when one of the critical conditions below occurs:
• Engine oil pressure low
• Coolant temperature
• Hydraulic oil temperature high
Under normal conditions or the default condition, the monitor display screen is divided into four areas: Clock and throttle dial, gauge, event display and multi-information display.

Keypad

The keypad allows the operator to select machine operation conditions and to set view preferences.

Auxiliary Hydraulic Options

Allows you to configure your 323D to meet your work tool needs, while increasing its versatility, reduces machine service time and maximizes uptime. Available circuits: — Single Action Circuit suitable for tools that require one-way flow from both pumps, such as hammers and vibratory plate compactors. — Double Action Circuit is suitable for tools that require two-way flow from both pumps such as thumbs, shears, pulverizers, etc. — Combined Action Circuit is suitable for tools that require two-way flow from both pumps as well as medium pressure circuit for tool rotations such as multi-processors. — Hammer Return Filter Circuit adds a filter in the return line of one the circuits above to extend the life of the primary hydraulic filter element when a hammer is being used with the machine.

Product Link

Using satellite technology, this wireless system automatically reports information, including vital machine health data, to Cat dealers and customers via e-mail or pager. It can streamline diagnostic efforts, downtime and maintenance scheduling and costs.

Machine Security

An optional Machine Security System is available from the factory on the 323D. This system controls when the machine can be operated and utilizes specific keys to prevent unauthorized machine use, a significant theft deterrent. This system can also be setup be setup to allow the machine to only be run certain periods, useful feature for machines that will be used in rental fleets.

Extended Service Intervals

323D service and maintenance intervals have been extended to reduce machine service time and increase machine availability.

Air Filter Compartment

The air filter features a double-element construction for superior cleaning efficiency. When the air cleaner plugs, a warning is displayed on the monitor screen inside the cab.

Ground Level Service

The design and layout of the 323D was made with the service technician in mind. Many service locations are easily accessible at ground level allowing critical maintenance to get done quickly and efficiently.

Pump Compartment

A service door on the right side of the upper structure allows ground-level access to the pump and pilot filter.

Capsule Filter

The hydraulic return filter, a capsule filter, is situated outside the hydraulic tank. This filtration design prevents contaminants from entering the system when the filter is changed.

Diagnostics and Monitoring

The 323D is equipped with S•O•SSM sampling ports and hydraulic test ports for the hydraulic system, engine oil, and for coolant. A test connection for the Electronic Technician (ET) service tool is located behind the cab.

Anti-Skid Plate

Anti-skid plate covers top of storage box and upper structure to prevent slipping during maintenance.

Fan Guard

Engine radiator fan is completely enclosed by fine wire mesh, reducing the risk of an accident.

Greasing Points

A concentrated remote greasing block on the boom delivers grease to hard-to-reach locations on the front.

Radiator Compartment

The left rear service door allows easy access to the engine radiator, oil cooler and air-to-air aftercooler. Reserve tank and drain cock are attached to the radiator for simplified maintenance.

Machine Selection

Make detailed comparisons of the machines you are considering before you buy. What are the job requirements, machine attachments and operating hours? What production is needed? Your Cat dealer can provide recommendations.

Purchase

Consider the financing options available as well as day-to-day operating costs. This is also the time to 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.

Customer Support Agreements

Cat dealers offer a variety of product support agreements, and work with customers to develop a plan the best meets specific needs. These plans can cover the entire machine, including attachments, to help protect the customer's investment.

Operation

Improving operating techniques can boost your profits. Your Cat dealer has videotapes, literature and other ideas to help you increase productivity, and Caterpillar offers certified operator training classes to help maximize the return on your investment.

Product Support

You will find nearly all parts at our dealer parts counter. Cat dealers utilize a worldwide computer network to find in-stock parts to minimize machine downtime. You can save money with Cat remanufactured components.

Maintenance Services

Repair option programs guarantee the cost of repairs up front. Diagnostic programs such as Scheduled Oil Sampling, Coolant Sampling and Technical Analysis help you avoid unscheduled repairs.

Replacement

Repair, rebuild or replace? Your Cat dealer can help you evaluate the cost involved so you can make the right choice.