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325D L |
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Hydraulic Excavator |
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Engine
Engine Model |
Cat® C7 with ACERT™ Technology |
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Net Flywheel Power |
152 kW |
204 hp |
Weights |
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Operating Weight – |
29 240 kg |
64,460 lb |
Long Undercarriage |
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•Reach boom, R3.2CB2 (10 ft 5 in) Stick, 1.1 m3 (1.44 yd3) Bucket, 800 mm (32 in) Shoes
325D L Hydraulic Excavator
The D Series incorporates innovations for improved performance and versatility.
C7 with ACERT™ Technology |
Hydraulics |
Operator Comfort |
ACERT™ Technology works at the point of combustion to optimize engine performance and provide low exhaust emissions to meet U.S. EPA Tier 3 emission regulations, with exceptional performance capabilities and proven reliability. pg. 4
Versatility
Caterpillar offers a wide variety of factory-installed attachments that enhance performance and job site management. pg. 11
The hydraulic system has been designed to provide reliability and outstanding controllability. An optional Tool Control System provides enhanced flexibility. pg. 5
Service and Maintenance
Fast, easy service has been designed in with extended service intervals, advanced filtration, convenient filter access and user-friendly electronic diagnostics for increased productivity and reduced maintenance costs. pg. 12
Provides maximum space, wider visibility and easy access to switches. The monitor is a full-color graphical display that allows the operator to understand the machine information easily. Overall, the new cab provides a comfortable environment for the operator. pg. 6
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Structures
Caterpillar® design and manufacturing techniques assure outstanding durability and service life from these important components. Three length of booms and five sticks are available to suit a variety of application conditions. pg. 8
Booms, Sticks and Bucket Attachments |
Work Tools – Attachments |
Designed for maximum flexibility, productivity and high efficiency on all jobs, the 325D offers a wide range of configurations suitable for a variety of applications. pg. 9
A variety of work tools, including buckets, couplers, hammers, and shears are available through Cat Work Tools. pg. 10
Complete Customer Support
Your Cat® dealer offers a wide range of services that can be set up under a customer support agreement when you
purchase your equipment. The dealer will help you choose a plan that can cover everything from machine configuration to eventual replacement. pg. 13
New Feature
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C7 with ACERT™ Technology
Built for power reliability, economy and low emissions.
Cat C7. The 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 engine emission regulations.
Performance. The 325D L, equipped with the C7 engine with ACERT Technology, provides 12% more horsepower as compared to the 3126B ATAAC HEUI in the 325C L.
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.
Electronic Control Module.
The 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 Delivery. The 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 System. The cooling fan is directly driven from the engine. An electrically controlled viscous
clutch fan is available as an attachment to reduce fan noise. The optimum fan speed is calculated based on the target engine speed, coolant temperature, hydraulic oil temperature and actual fan speed. The Cat C7 delivered 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.
Noise Reduction Technologies.
The engine mounts are rubber-isolating mounts matched with the engine package. Further noise reduction has been achieved through design changes to
the isolated top cover, oil pan, multiple injection strategy, insulated timing cover, sculpted crankcase and gear train refinements.
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Hydraulics
Cat® hydraulics deliver power and precise control to keep material moving.
Component Layout. The 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 reduces 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.
Pilot System. The pilot pump is independent from the main pumps and controls the front linkage, swing and travel operations.
Hydraulic Cross Sensing System.
The 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 Circuit.
Boom and stick regeneration circuit saves energy during boom-down
and stick-in operation which increases efficiency, reduces cycle times and pressure loss for higher productivity, lower operating costs and increased fuel efficiency.
Auxiliary Hydraulic Valve.
The auxiliary valve is standard on the 325D. Control Circuits are available as attachments, allowing for operation of high and medium pressure tools such as shears, grapples, hammers, pulverizers, multi-processors and vibratory plate compactors.
Hydraulic Cylinder Snubbers.
Snubbers are located at the rod-end of the boom cylinders and both ends
of the stick cylinders to cushion shocks while reducing sound levels and extending component life.
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Operator Comfort
Designed for comfort, simple and easy operation, the 325D allows the operator to focus on production.
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Operator Station. The workstation is spacious, quiet and comfortable, assuring high productivity during a long work day. 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.
Monitor. The monitor is a full color 400 234 pixels Liquid Crystal Display (LCD) graphic display. The monitor angle can be adjusted to minimize sun glare and has the capability of displaying information in twenty-seven different languages.
Pre-Start Check. Prior to starting the machine, the system will check for low fluid levels for the engine oil, hydraulic oil and engine coolant and warn the operator through the monitor in the event display area.
Gage Display. Three analog gauges, fuel level, hydraulic oil temperature and coolant temperature, are displayed in this area.
Event Display. Machine information is displayed in this area with the icon and language.
Multi-information Display. This area is reserved for displaying various information which is convenient for the operator. The “CAT” mark is displayed when no information
is available to be displayed.
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.
Seat. A new optional air suspension seat is available in the 325D. The standard and optional seats provide 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.
Joystick Control. Joystick controls have low lever effort and are designed to match the operator’s natural wrist and arm position. The operator can operate joystick controls with an arm on the armrest and the horizontal and vertical strokes have been designed to reduce operator fatigue.
Hydraulic Activation Control Lever.
For added safety, this lever must be in the operate position to activate the machine control functions.
Automatic Climate Control.
Fully automatic climate control adjusts temperature and flow, and determines which air outlet is best in each situation with a touch of a button.
Console. 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 Exterior. The exterior design uses thick steel tubing along the bottom 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.
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.
Windows. All glass is affixed directly to the cab for excellent visibility eliminating window frames. The upper front windshield opens, closes and stores on the roof above the operator with a one-touch action release system.
Wipers. Pillar-mounted wipers increase the operator’s viewing area and offer continuous and intermittent modes.
Skylight. An enlarged skylight with sunshade provides excellent visibility and ventilation.
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Structures
325D structural components and undercarriage are the backbone of the machine’s durability.
Robotic Welding. Up to 95% of
the structural welds on a Caterpillar® Excavator are completed by robots. Robotic welds achieve over three times the penetration of manual welds.
Carbody Design and Track Roller Frames. X-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 Frame. Rugged main frame is designed for maximum durability and efficient use of materials.
Undercarriage. Durable Cat® undercarriage absorbs stresses and provides excellent stability.
Swing Bearing. The 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.
Rollers and Idlers. Sealed and lubricated track rollers, carrier rollers, and idlers provide excellent service life, to keep the machine in the field longer.
Long Undercarriage. The long (L) undercarriage maximizes stability and lift capacity. Two additional track links have been added to the 325D L.
This long, wide, and sturdy undercarriage offers a very stable work platform.
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Booms, Sticks and Bucket Attachments
Designed for maximum flexibility, productivity and high efficiency on all jobs,
the 325D offers a wide range of configurations suitable for a variety of applications.
Reach Boom. The reach boom features an optimum design that maximizes digging envelopes with three stick choices:
R3.75CB and R3.2CB Sticks.
The CB-family buckets associated with these sticks have enough capacity for excellent reach and depth in trenching and general construction applications.
R2.65CB Stick. Stick is suited to highcapacity buckets used in 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.
Mass Excavation Boom. The mass excavation boom maximizes productivity. The mass version offers significantly higher digging forces and allows use
of larger buckets.
M3.2CB Stick. This stick gives the largest working envelope with the Mass Boom and CB-Family Buckets.
M2.5DB. The DB Stick uses a D-family bucket and was designed for high volume earth moving, powerful digging force and a large capacity bucket. Combined with a Mass boom, this stick delivers outstanding productivity.
Super Long Reach. This configuration offers reaches to over 8.3 m (60 feet). It is well suited for ditch cleaning applications.
Linkage Pins. The 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 Linkage. The power link improves durability, increases machine-lifting capability in key lifting positions and with the integrated lift-eye it is easier to use than compared to the previous power link.
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Work Tools – Attachments
The 325D has an extensive selection of work tools to optimize machine performance.
Heavy Duty Buckets. Heavy-duty (HD) buckets are used for a wide range of moderately abrasive applications such as mixed dirt, clay and rock. HD buckets have best loading and dumping characteristics and will empty easier
in cohesive material. More robust construction than the GP buckets.
General Purpose Capacity (GP-C) Buckets. General Purpose Capacity Buckets are best for digging in soft to hard ground with low to moderately abrasive materials.
Heavy-Duty Power (HDP) Buckets.
For use in moderately abrasive applications where breakout force
and cycle times are critical. Maximizes tip force and improves cycle times in most materials.
Heavy Duty Rock Buckets. Heavy-duty rock for aggressive bucket loading in highly abrasive application such as shot rock and granite. Features include:
•Thicker wear plates to extend the life of bucket in severe applications
•Side wear plated extend further up the side of the bucket for maximum protection in rocky soils
•Buckets accept sidebar protectors for best sidebar protection, or side cutters for best fill characteristics and bucket wear protection
Ditch Cleaning (DC) Buckets.
These wide shallow buckets are best for bank forming, ditch cleaning, and finishing.
Caterpillar Ground Engaging Tools (GET). All bucket in the CB/DB Family utilize the Caterpillar K Series® GET. This GET system uses a vertical retainer that is easier to remove and install than the Cat J Series pin. The tip shapes
are more aggressive and offer better penetration than the previous generation of tips. There are also a variety of side cutters and sidebar protectors to match operating conditions.
Vibratory Plate Compactor
Caterpillar® Vibratory Plate Compactors provide superior compaction force in
a reliable, low-maintenance package. These units produce high-power impulses at a rate of 2,200 impacts per minute. The forces generated by this vibration drive soil particles close together for solid, stable compactions. Whether in
a trench or on a slope, driving sheeting or posts, Cat Compactors are the superior choice for any job site’s compaction tasks.
Multi-processor
Multi-processors do the work of many types of demolition tools by use of interchangeable jaw sets. Changing jaws allows a single unit to crush, pulverize and perform a variety of specialized cutting tasks, such as cutting steel rebar and tanks.
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