Space RestrictionThe increasing need to work within space-restricted areas has created a demand for larger excavators that can also work within tighter quarters and provide greater productivity. The newest addition to this lineup of compact radius (CR) excavators is the 328D LCR.
ProductivityEven though the 328D LCR has been designed for use in specific applications that require high maneuverability in confined spaces, it still maintains the ability to accomplish tasks in a variety of applications where space is not a factor.
Swing RadiusThe Cat 328D LCR has a tail swing radius of 1900 mm compared to 3090 mm for the standard Cat 329E L. This reduction of tail swing may allow for swing operation with greater confidence knowing that the tail of the machine only has a minimal amount of overhang.
Lift and StabilityThe boom on the 328D LCR has been moved more toward the center of the machine. This results in overall greater lift capacity over the front as compared to the standard 329E L. In addition to the repositioning of the boom, the Cat 328D LCR utilizes the undercarriage of the 336D L, which allows for an extremely stable operating platform.
328D LCR versus 329E LThe tail swing radius for the 328D LCR is 1900 mm compared to 3090 mm for the 329E L. The 328D LCR's minimum front swing radius is 3412 mm and the 329E L's is 4180 mm.
Compact Radius The 328D LCR has been designed to rotate with a minimal amount of counterweight hanging over the tracks, which allows it to work in tight, confined areas. » Learn More
Cat C7 ACERTThe Cat C7 with ACERT Technology introduces a series of evolutionary, incremental improvements that provide breakthrough engine technology. The building blocks of ACERT Technology are fuel delivery, air management, and electronic control. ACERT Technology optimizes engine performance while meeting U.S. EPA Tier 3 EPA/ARB Flexibility requirements and EPA/ARB Tier 4 Interim AB&T requirements for emission regulation.
PerformanceThe 328D LCR, equipped with the C7 engine with ACERT Technology provides 8 percent more horsepower as compared to the 3126B ATAAC HEUI in the 325C LCR.
Automatic Engine Speed ControlThe two-stage, one-touch control maximizes fuel efficiency and reduces sound levels.
ADEM™ A4 Engine ControllerThe ADEM A4 electronic control module manages fuel delivery to get the best performance per liter (gallon) 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.
Electronic Control ModuleThe Electronic Control Module (ECM) works as the “brain” of the engine’s control system, responding quickly to operating variables to maximize engine efficiency. Fully integrated with sensors in the engine’s fuel, air, coolant, and exhaust systems, the ECM stores and relays information on conditions such as rpm, fuel consumption, and diagnostic information.
Fuel DeliveryThe Cat C7 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 SystemThe 328D LCR side-by-side cooling allows easy access to keep the cooling cores free of debris.
Air CleanerThe radial seal air filter features a double-layered core for more efficient filtration.
Noise Reduction TechnologiesEngine mounts are rubber coated to reduce vibrations. Further noise reduction is achieved through design changes to the isolated top cover, oil pan, sculpted crankcase, and other components.
C7 with ACERT Technology Built for power, reliability, economy and low emissions. » Learn More
Component LayoutThe 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. This allows for shorter tubes and lines between components, reducing 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. Hot air and corresponding engine sound exits on the opposite side away from the operator. This reduces engine compartment heat and sound being transmitted to the operator.
Pilot SystemThe pilot pump is independent from the main pumps and controls the front linkage, swing, and travel operations.
Hydraulic Cross Sensing SystemThe hydraulic cross sensing system utilizes each of two hydraulic pumps to 100 percent of engine power under all operating conditions. This improves productivity with faster implement speeds and quicker, stronger pivot turns.
Boom and Stick Regeneration CircuitBoom and stick regeneration circuit saves energy during boom-down and stick-in operation. This increases operator efficiency and reduces cycle times and pressure loss. Benefits include higher productivity, lower operating costs, and increased fuel efficiency.
Auxiliary Hydraulic ValveThe auxiliary valve is standard on the 328D LCR. Control circuits are available as attachments, allowing for operation of high- and medium-pressure tools. These include shears, grapples, hammers, pulverizers, multi-processors, and vibratory plate compactors.
Hydraulic Cylinder SnubbersSnubbers are located at the rod-end of the boom cylinders and both ends of the stick cylinders. Benefits include reducing sound levels and shocks while extending component life.
Hydraulics Cat hydraulics deliver power and precise control to keep material moving. » Learn More
Operator StationThe workstation is spacious, quiet, and comfortable, assuring high productivity during a long workday. The attachment switches, key switch, and throttle dial are conveniently located on the right-hand wall. The monitor is easy to see and maximizes visibility.
MonitorThe monitor is a full color Liquid Crystal Display (LCD) programmable in up to 27 different languages to meet today’s diverse workforce.
Pre-Start CheckPrior to starting the machine, the system will check for low fluid levels. These include engine oil, hydraulic oil, and engine coolant.
Gauge DisplayFuel level, hydraulic oil temperature, and coolant temperature are displayed.
SeatA new adjustable air suspension seat is available in the 328D LCR. Wide adjustable armrests and a retractable seat belt are also included.
Joystick ControlThe joystick controls are designed for low lever effort and match the operator’s natural wrist and arm position.
Hydraulic Activation Control LeverFor added safety, this lever must be in the operate position to activate the machine control functions.
ROPS Certified Operator StationROPS (Roll Over Protective Structure) compliant cab is standard with improved visibility. Falling Object Guard System (FOGS) or front windshield guard can be bolted directly to the cab at factory or in the field.
Cab MountsThe ROPS cab shell is attached to the frame with viscous rubber cab mounts dampening vibrations and sound to increase operator comfort.
WindowsA 70/30 split front window enhances operator visibility. An enlarged skylight provides excellent visibility and ventilation.
ConsoleRedesigned 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.
Operator Station Designed for comfort, simple and easy operation, the 328D LCR allows the operator to focus on production. » Learn More
Robotic WeldingUp to 95 percent of the structural welds on a Cat excavator are completed by robots. Robotic welds achieve over three times the penetration of manual welds.
Carbody Design and Track Roller FramesX-shaped, box-section carbody provides excellent resistance to torsional bending. Robot-welded track roller frames are press-formed, pentagonal units to deliver exceptional strength and service life.
Main FrameRugged main frame is designed for maximum durability and efficient use of materials.
Swing BearingThe swing bearing utilizes cross roller bearings versus the traditional ball bearing design. The cross roller bearing design allows for more surface contact to absorb the stresses that are a result of the high swing torque that Cat offers. It provides exceptional machine stability and reduces machine pitching during boom down operation.
UndercarriageDurable Cat undercarriage absorbs stresses and provides excellent stability.
Rollers and IdlersSealed and lubricated track rollers, carrier rollers, and idlers provide excellent service life to keep the machine in the field longer.
Long UndercarriageLong (L) undercarriage maximizes stability and lift capacity. Two additional track links have been added to the 328D LCR. This long, wide, and sturdy undercarriage offers a very stable work platform.
Structures 328D LCR structural components and undercarriage are the backbone of the machine’s durability. » Learn More
Reach BoomThe reach boom features an optimum design that maximizes digging envelopes.
R3.2CB2 (10'6") StickThis stick offers excellent reach and depth in trenching and general construction applications.
R2.65CB2 (8'8") StickThis stick is suited to trenching, excavation, and other general construction work. It has been designed with enough reach and depth to match a large-capacity bucket and high digging force.
Linkage PinsThe bucket linkage pins have been enlarged to improve reliability and durability. All the pins in the front linkages have thick chrome plating, giving them high wear and corrosion resistance.
Bucket LinkageThe power link improves durability and increases machine lifting capability in key lifting positions. With the integrated lift eye, it is easier to use than compared to the previous power link.
Booms, Sticks and Bucket Attachments Designed for maximum flexibility, productivity and high efficiency on all jobs, the 328D LCR offers a wide range of configurations suitable for a variety of applications. » Learn More
An extensive range of Cat work tools for the 328D LCR includes buckets, hydraulic hammers, multi-processors, scrap and demolition shears, grapples, rippers, and thumbs. Each is designed to optimize machine versatility and performance. Consult with your local Cat dealer for product availability.
CouplersQuick couplers allow one person to change work tools in seconds for maximum performance and flexibility on a job site. One machine can move rapidly from task to task, and a fleet of similarly equipped machines can share a common work tool inventory.
Cat Center-Lock™ Pin Grabber CouplerCenter-Lock is a pin grabber style quick coupler and features a patent-pending locking system. A highly visible secondary lock clearly shows the operator when the coupler is engaged or disengaged from the bucket or work tool.
BucketsCat buckets are designed as an integral part of the 328D LCR system and feature new geometry for better performance. The base edge has been repositioned, resulting in more efficient filling and better operator control for greatly improved productivity. Wear coverage in the corners and side cutter and sidebar protector coverage are improved; a new lift eye design accepts a wide range of shackle sizes. All benefits are captured in a new bucket line with a new bucket naming convention.
Durability Categories Suitable for Any SituationCaterpillar offers four standard bucket categories for excavators. Each category is based on intended bucket durability when used in recommended applications and material. Each bucket durability type is available as pin-on or can be used with a quick coupler. Red areas on bucket images illustrate additional protection against wear as it increases across each category.
General Duty (GD)GD buckets are for digging in low-impact, low-abrasion material such as dirt, loam, and mixed compositions of dirt and fine gravel.
Heavy Duty (HD)The most popular bucket style, HD buckets, are a good starting point when digging conditions are not well known like a wide range of impact and abrasion conditions that include mixed dirt, clay, and rock.
Severe Duty (SD)SD buckets are for higher abrasion conditions such as well shot granite and caliche.
Extreme Duty (XD)XD buckets are the new standard for high-abrasion conditions, including high quartzite granite.
Specialty BucketsIn addition to standard bucket categories, several specialty bucket styles are available for the 328D LCR, each with a different purpose: - Ditch Cleaning and Tilt Buckets for cleaning ditches, slope grading, and other finish work
- Center-Lock Pin Grabber Performance Buckets for maximum digging performance while keeping the versatility and convenience of a coupler
- Power Buckets for use in abrasive applications where breakout force and cycle times are critical
- Wide Tip Buckets for low-impact material where leaving a smoother floor and minimal spillage are necessary
Hydraulic KitsCaterpillar offers field-installed hydraulic kits that are uniquely designed to integrate Cat work tools with Cat excavators. Hoses and tubes are pre-made, pre-shaped, and pre-painted to make installation quick and easy.
Comprehensive Product SupportAll Cat work tools are backed up by a world-wide network of well-stocked parts depots and highly experienced service and support personnel.
Work Tools You can dig, hammer, rip, and cut with confidence. » Learn More
Tool Control SystemThis system offers the most flexibility and versatility of the auxiliary options offered. The system is available in two configurations, as a stand-alone system or with a medium pressure circuit and third pump. This system handles either single or double function, one or two pump tools. Additionally, the medium-pressure circuit allows use of tools that rotate such as grapples, shears, or multi-processors. Up to 10 different tool settings can be pre-programmed and selected through the monitor.
Auxiliary Hydraulics OptionsThere are four different options that can be factory installed to meet the various demands for hydra-mechanical tools. - Single Function
- Double Function
- Tool Control System
- Medium Pressure
Single-Function Auxiliary HydraulicsThis single-function circuit utilizes one-way flow action with two pumps. The circuit can run tools such as hammers and vibratory plate compactors.
Double-Function Auxiliary HydraulicsThe double-function circuit utilizes two-way flow and one pump. It is capable of running tools such as a thumb, tilt bucket, or non-rotating grapples or shears.
Cat Product Link™This deeply integrated machine monitoring system is designed to help customers improve their overall fleet management effectiveness. Events and diagnostic codes as well as hours, fuel consumption, idle time, machine location, and other detailed information are transmitted to a secure web application called VisionLink™.
Machine SecurityThe optional Cat Machine Security System is available from the factory. Utilization of specific keys prevents unauthorized machine use and is a theft deterrent.
Center-Lock Pin Grabber CouplerThis coupler increases excavator versatility by allowing you to pick up a wide variety of work tools without leaving the cab.
Versatility A wide variety of optional factory-installed attachments will enhance performance and improve job site management. » Learn More
Ground Level ServiceThe design and layout 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.
Air Filter CompartmentThe 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.
Pump CompartmentA service door on the right side of the upper structure allows ground-level access to the pump and pilot filter.
Radiator CompartmentThe left rear service door allows easy access to the engine radiator, oil cooler, and air-to-air-aftercooler. A reserve tank and drain cock are attached to the radiator for simplified maintenance.
Greasing PointsA concentrated remote greasing block on the boom delivers grease to hard-to-reach locations on the front.
Diagnostics and MonitoringThe 328D LCR is equipped with S·O·SSM sampling and hydraulic test ports for the hydraulic system, engine oil, and for coolant. A test connection for the Cat Electronic Technician (Cat ET) service tool is located in the cab.
Extended Service IntervalThe service and maintenance intervals have been increased to extend machine up time.
Service and Maintenance Simplified service and maintenance features save you time and money. » Learn More
Product SupportYou 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. Save money with remanufactured components.
Customer Support AgreementsCat 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.
OperationImproving 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.
Maintenance ServicesRepair 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.
Complete Customer Support Cat dealer services help you operate longer with lower costs. » Learn More
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