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Medium Excavators(Non Current)

Caterpillar serves all regions of the world so we build many different configurations of hydraulic excavators. Your Cat® dealer has exact machine specifications available in your area to help you choose what will best meet your needs.

330D2 L Hydraulic Excavator

The 330D2 L comes with a number of new developments and features to help you make the best use of your machine including, isochronous engine speed control, a new fuel filtration system, a built-in economy mode to reduce fuel consumption. A variable speed fan with viscous clutch makes this machine productive, efficient, and safe.

  • Specification Summary

  • Engine Model Cat® C7.1 ACERT™
  • Net Flywheel Power 157 kW
  • Bore 105 mm
  • Stroke 135 mm
  • Product Brochure


Product Details


Engine Model Cat® C7.1 ACERT™
Net Flywheel Power 157 kW
Bore 105 mm
Stroke 135 mm
Displacement 7.01 l
Maximum Altitude - With Derate 5000 m
Engine Power - ISO 14396 159 kW
Maximum Altitude - Without Derate 3000 m
Rated Speed - Engine 1800 r/min
Low Idle Speed 950 r/min
Net Power - SAE J1349/ISO 9249 157 kW
Type Direct Injection
High Idle Speed 1700 r/min
Maximum Torque - Torque Peak - At 1,400 rpm 900 N·m
Emissions The C7.1 ACERT engine meets U.S. EPA Tier 2, EU Stage II equivalent emission standards.


Operating Weight 30305 kg
Minimum Operating Weight 28955 kg
Maximum Operating Weight 30305 kg

Service Refill Capacities

Fuel Tank Capacity 520 l
Cooling System 31 l
Engine Oil 22 l
Swing Drive 10 l
Final Drive - Each 6 l
Hydraulic System - Including Tank 310 l
Hydraulic Tank 257 l

Swing Mechanism

Swing Speed 9.6 r/min
Swing Torque 82.2 kN·m


Maximum Drawbar Pull 248 kN
Maximum Travel Speed 5.3 km/h

Hydraulic System

Maximum Pressure - Equipment 35 MPa
DB Bucket Cylinder - Bore 150 mm
Stick Cylinder - Bore 150 mm
Maximum Pressure - Travel 35 MPa
DB Bucket Cylinder - Stroke 1151 mm
CB2 Bucket Cylinder - Stroke 1156 mm
Pilot System - Maximum Pressure 3920 kPa
CB2 Bucket Cylinder - Bore 135 mm
Pilot System - Maximum Flow 23.1 l/min
Boom Cylinder - Stroke 1407 mm
Boom Cylinder - Bore 140 mm
Main System - Maximum Flow at Travel H/L (1,800 rpm) 254 × 2 (508 total) L/min [67.1 × 2 (134.2 total) gal/min]
Maximum Pressure - Swing 27.5 MPa
Stick Cylinder - Stroke 1646 mm
Main System - Maximum Flow at Operation (1,700 rpm) - Each 240 × 2 (480 total) L/min [63.4 × 2 (126.8 total) gal/min]
Swing System - Maximum Flow 240 l/min
Main System - Maximum Flow at Travel L/L (1,750 rpm) 247 × 2 (494 total) L/min [65.2 × 2 (130.4 total) gal/min]

Key Features

World class design combines excellent performance with low fuel consumption and top reliability


  • Improves fuel efficiency by managing pump and isochronous engine speed control
  • Electrical Fuel Priming Pump (EPP) replaces hand priming pump
  • Pressure sensor added to measure Negative Flow Control, improving hydraulic efficiency

Ease of Operation

  • Ergonomically designed cab with easy to operate controls
  • Multiple seat and joystick adjustment options enhance comfort
  • Excellent work site visibility from cab enhances productivity
  • Optimized low effort joystick controls reduce operator fatigue
  • Monitor with larger viewing screen, higher resolution and 42 language options available


  • Strong and durable carbody designed to work in the toughest operating conditions
  • All electrical wires are colored, numbered and protected with thick braiding for ease of identification and durability
  • Modified X-frame structure provides long life and durability
  • Heavy duty booms and sticks are standard
  • Grease and Lubricated Tracks (GLT) provide longer life
  • New fuel injection system improves reliability

Reduced Costs

  • Improved filtration efficiency and machine robustness
  • 500 hour service intervals
  • Two power modes are available: High Horse Power (HHP) and ECO Mode.


  • Integrated Cat technology solutions increase production and minimize operating costs
  • Product Link™ reports key information from the machine to any location


Remain powerful, reliable, durable in your applications

Isochronous Control

The Isochronous engine speed control improves fuel efficiency and reduces fuel consumption and noise levels by managing pump and engine speed.

Reliable Cat C7.1 ACERT Engine

The Cat C7.1 ACERT engine has been designed to meet U.S. EPA Tier 2, EU Stage II equivalent emission standards. The C7.1 ACERT engine incorporates proven, robust components and precision manufacturing you can count on for reliable and efficient operation. This engine is less sensitive to low quality fuel and also delivers reduced fuel consumption.

Automatic Engine Speed Control

Automatic engine speed control is activated during no-load or light-load conditions which reduces engine speed minimizing fuel consumption.

Air Cleaner and Air Precleaner

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. Air precleaner reduces the amount of dust and debris that enter the air intake system which can help maximize engine performance by extending air filter life.

Electric Priming Pump

Eliminate the need for manual priming of fuel after filter changes. This pump reduces the risk of fuel contamination by preventing unfiltered fuel from being backfilled during filter changes as was possible with a manual hand priming pump.

Variable Speed Fan

Variable speed fan controlled by ECM reduces fuel consumption and noise.

Filtration System

The C7.1 ACERT engine features an improved filtration system to ensure good reliability to fuel injection system components. Intervals have been extended and the number of filters has been increased to 3. The primary filter and the secondary twin filters improve filtration efficiency and machine robustness.

Operator Station

Comfort and convenience to keep you productive all day long


The monitor is a full-color Liquid Crystal Display (LCD) that has the capability of displaying information in 42 languages to meet today’s diverse workforce.

The LCD monitor is equipped with a warning lamp and buzzer for critical engine oil pressure, coolant temperature and oil temperature. The monitor clearly displays critical information needed to operate efficiently and effectively.

Filters and fluid change intervals are available in the main menu which also projects the image from the optional rearview camera, further enhancing your job site safety and productivity.


The mechanical or air suspension seats provide a variety of adjustments to accommodate a wide range of operators. All seats include a reclining back, upper and lower seat slide adjustments, and height and tilt adjustments.


Operators can adjust the right and left joysticks for individual preferences, helping them become more comfortable, more productive, and more alert. Low-effort, pilot-operated joystick controls are designed to match your natural wrist and arm position for maximum comfort and minimum fatigue.

Climate Control

The 330D2 L offers positive filtered ventilation with a pressurized cab. Fresh air or recirculated air can be selected, which makes working in the heat and cold much more pleasant.

Cab Structure and Mounts

The cab shell is attached to the frame with viscous rubber cab mounts which dampen vibrations and sound levels while enhancing operator comfort. Thick steel tubing along the bottom perimeter of the cab improves resistance to fatigue and vibration.


Precise power and control to move more material

Hydraulic System

Hydraulic system pressure from the two-hydraulic pump system delivers terrific digging performance and productivity.

Pilot System

An independent pilot pump enables smooth, precise control for the front linkage, swing, and travel operations.

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, reducing friction loss and pressure drops.

Auxiliary Hydraulic Valve

Control circuits are available as attachments to improve versatility. They allow operation of high- and medium-pressure tools such as shears, grapples, hammers, pulverizers, multi-processors, and vibratory plate compactors.

Boom and Stick Regeneration Circuit

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

Undercarriage and Structures

Designed to work in your tough, heavy-duty applications

Robotic Welding

Up to 95% 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 Frames

X-shaped, box-section carbody provides excellent resistance to torsional bending. Robot-welded track roller frames are press-formed, pentagonal units which deliver exceptional strength and service life.

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


The 330D2 L track links are assembled and sealed with grease to decrease internal bushing wear, reduce travel noise and extend service life lowering operating costs.


The 5.9 mt (6.5 t) standard weight makes a better choice for heavy lifting with long undercarriage. Counterweights are bolted directly to the main frame for extra rigidity.

Front Linkage

Booms and sticks are stress-relieved for added durability

Heavy-Duty Reach Boom Front Linkage

The 6.15 m (10'2") heavy-duty (HD) reach boom is reinforced to be used in the severest applications for maximum digging capability. The boom is made of high-tensile-strength steel using a large box-section design with interior baffle plates and an additional bottom guard for long life and durability. Booms and sticks are stress-relieved for added durability.

The HD reach boom has two stick options available to meet all your application requirements.
  • R3.2 (10'6") CB2 HD stick
  • R2.65 (8'8") CB2 HD stick

Mass Boom Front Linkage

The mass excavation (ME) front linkage is designed to maximize machine performance through superior digging forces and a larger bucket capacity. The 5.55 m (18'3") mass excavation boom is reinforced with a large cross section and internal baffle plates for long life and durability.
  • M2.5DB (8'2") stick

Service and Maintenance

Designed to make your maintenance quick and easy

Ground-Level Service

The design and layout of the 330D2 L was made with the service technician in mind. Most service locations are easily accessible at ground level to allow service and maintenance to get completed quickly and efficiently.

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.

Pump Compartment

A service door on the right side of the upper structure allows ground-level access to the pump, pilot filter, and water separator with primary fuel filter.

Radiator Compartment

The left rear service door allows easy access to the engine radiator, oil cooler, air-to-air-aftercooler, water separator, second and third fuel filters, and fuel cooler. A reserve tank and drain cock are attached to the radiator for simplified maintenance.

Greasing Points

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

Fan Guard

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

Anti-Skid Plate

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

Diagnostics and Monitoring

The 330D2 L is equipped with S?O?SSM sampling ports and hydraulic test ports for the hydraulic system, engine oil, and for coolant.

Work Tools

Do more jobs with one machine

Each Cat work tool attachment is designed to optimize the versatility and performance of your machine. An extensive range of buckets, compactors, grapples, multi-processors, rippers, crushers, pulverizers, hammers, and shears are available for your 330D2 L. Contact your local Cat dealer for more information on the attachments available in your region.


Cat buckets and Cat Ground Engaging Tools (GET) are designed and matched to the machine to ensure optimal performance and fuel efficiency.

General Duty Buckets (GD)

These buckets are designed for digging in low-impact, moderately abrasive materials such as dirt, loam, gravel, and clay.

Heavy Duty Buckets (HD)

HD buckets are a good starting point when application conditions vary, especially when conditions include mixed dirt, clay, sand, and gravel.

Severe Duty Buckets (SD)

These buckets are best suited to highly abrasive applications such as shot rock, sand stone, and granite.

Extreme Duty Buckets (XD)

These buckets are for very high abrasion conditions including high quartzite granite. Example: Digging conditions where tip life is less than or equal to 200 hours with Extra Duty tips.


Quick 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 Pin Grabber Couplers

The Cat Pin Grabber Coupler is easy to activate, easy to engage, easy to disengage. Operating procedures are simple and easy to learn. It’s the easiest way to improve productivity on every job site.

One excavator can share buckets and a variety of attachments with similar size excavators. Managing your assets just got easier.

E Series Hammers

E Series hammers bring together customer expectations of performance, quality, and serviceability along with Caterpillar manufacturing and logistics experience.

E Series hammers are quiet, and noise suppression is valuable in urban and restricted work areas.

Pin On Rippers, Rip and Load Package

Constructed from high-strength steels and built to last, Cat rippers endure in the toughest conditions. The box-section structure is reinforced for maximum rigidity, transmitting the full machine power to the material being ripped. Rippers feature a replaceable wear tip, and most models also come equipped with a replaceable shank protector.


Cat grapples replace the bucket on Cat excavators, converting them to the ideal machine for handling loose material, sorting trash, and demolition site cleanup. An array of styles and sizes are available to match excavators to the task at hand.


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.


Cat shears are designed for Cat machines – taking full advantage of the hydraulic flows and pressures to enhance productivity without compromising safety or causing premature wear of the shear and carrier.


The excavator mounted mechanical pulverizer is a cost-effective tool for recycling demolished concrete debris. The bucket cylinder on the excavator powers the mechanical pulverizer. This eliminates the need for a dedicated cylinder and associated hydraulics and additional installation cost.

Vibratory Plate Compactor

Compactors enhance the versatility of your excavator and makes compacting faster, more efficient, and cost-effective. Cat compactors are the superior choice for any job site’s compaction tasks.


The hydraulic concrete crusher has taken modern demolition technology a step further. It is well suited for concrete demolition in residential areas. The hydraulic concrete crusher combines several concrete demolition operations in one piece of equipment:
  • breaking out concrete from fixed structures
  • pulverizing concrete
  • cutting reinforcement rods and small steel profiles

Integrated Technologies

Monitor, manage, and enhance job site operations

Cat Connect makes smart use of technology and services to improve your job site efficiency. Using the data from technology-equipped machines, you’ll get more information and insight into your equipment and operations than ever before.

Cat Connect technologies offer improvements in these key areas: Equipment Management – increase uptime and reduce operating costs. Productivity – monitor production and manage job site efficiency. Safety – enhance job site awareness to keep your people and equipment safe.

Cat Connect LINK Technologies

LINK technologies wirelessly connect you to your equipment giving you access to essential information you need to know to run your business. Link data can give you valuable insight into how your machine or fleet is performing so you can make timely, fact-based decisions that can boost job site efficiency and productivity.

Product Link/VisionLink®

Product Link is deeply integrated into your machine, helping to take the guesswork out of equipment management. Easy access to timely information like machine location, hours, fuel usage, idle time and event codes via the online VisionLink user interface can help you effectively manage your fleet and lower operating costs.

Cat Connect DETECT Technologies

DETECT technologies combine safety features, functionalities and alerts to enhance your job site awareness and keep your people and assets safe.

Rearview Camera

Rear vision cameras greatly enhance visibility behind the machine, helping the operator work more safely and productively. The camera view is automatically displayed on the integrated in-cab monitor increasing awareness of the working area around the machine giving the operator the confidence to work more safely and efficiently, at maximum potential.


Make you safer

  • Anti-skid plating with countersunk bolts reduces the potential for slippage and trip hazards, providing a safe platform for all routine service and maintenance needs.
  • The standard hydraulic lockout lever isolates all hydraulic and travel functions in the lowered position. It is specifically designed to not allow the operator to leave the cab without first lowering it.
  • Three circuit breakers protect critical electrical components to increase machine uptime.
  • A battery disconnect switch helps to deter theft by isolating the battery and enhances safety when servicing the machine.
  • A full length firewall separates the engine from the hydraulic pump and offers protection in the event of an incident.
  • Ground level shut-off switch stops all fuel to the engine when activated and shuts down the machine.

Complete Customer Support

Unmatched support makes the difference

Product Support

You can maximize your machines’ uptime with the Cat worldwide dealer network. You can also decrease your repair costs by utilizing Cat remanufactured components while contributing to sustainable development.

Machine Selection

What are the job requirements and machine attachments? What production do you need? Your Cat dealer can provide recommendations to help you make the right machine configuration.


You can ensure lower owning and operating costs by utilizing unique Cat dealer services and financing options.

Customer Support Agreements

Cat dealers offer a variety of customer support agreements and work with you to develop a plan to meet your specific needs. These plans can cover the entire machine, including attachments, to help protect your investment.


You can boost your profits by improving your operators’ techniques. Your Cat dealer has videos, literature, and other ideas to help increase productivity. Caterpillar also offers simulators and certified operator training to help maximize the return on your investment.


Repair, rebuild, or replace? Your Cat dealer can help you evaluate the cost involved so you can make the best choice for your business.
    •  C7.1 ACERT electronic control engine
    •  Meets U.S. EPA Tier 2, EU Stage II equivalent emission standards
    •  3000 m (9,842 ft) altitude capability without derating (Maximum 5000 m [16,404 ft] with derate from 3000 m [9,842 ft])
    •  Radial seal air filters (primary and secondary filter)
    •  Glow plugs
    •  Automatic engine speed control with one touch low idle
    •  High ambient cooling package 52° C (126° F)
    •  Water separator with water level indicator sensor
    •  Radiator and oil cooler side by side with enough space for cleaning
    •  Two speed travel
    •  Electric (priming) pump
    •  Power modes (Eco and High Power)
    •  Variable fan with viscous clutch
    •  Fuel filtration system (primary ×1, twin main ×2)
    •  Up to B20 biodiesel fuel capability
    •  Air-to-air-aftercooler
    •  Regeneration circuits for boom and stick
    •  Auxiliary hydraulic valve
    •  Reverse swing damping valve
    •  Automatic swing parking brake
    •  Boom drift reducing valve
    •  Stick drift reducing valve
    •  High performance hydraulic return filters
    •  Hydraulic main pump
    •  Universal seal used in cylinders
    •  Capability of installing additional valves, pumps, circuits
    •  Cat bio-oil capability
    •  Heavy lift mode
  • CAB
    •  Pressurized cab
    •  Air suspension seat
    •  Positive filtered ventilation
    •  Adjustable armrest
    •  Seat belt, retractable (51 mm [2 in])
    •  70/30 split front windshield
    •  Laminated upper front windshield and tempered other windows
    •  Sliding upper door window
    •  Openable front windshield with assist device
    •  Openable roof hatch
    •  Removable lower windshield, within cab storage bracket
    •  Pillar mounted upper windshield wiper and washer
    •  Bi-level air conditioner (automatic) with defroster (pressurized function)
    •  Full color and full graphic LCD display with warning, filter/fluid change, and working hour information
    •  Control lever joysticks, seat integrated
    •  Neutral lever (lock out) for all controls
    •  Travel control pedals with removable hand levers
    •  Two stereo speakers
    •  Radio mounting
    •  Beverage holder
    •  Coat hook
    •  Interior lighting
    •  Ashtray and lighter
    •  Rear window, emergency exit
    •  Capability to install two additional pedals
    •  Bolt-on FOGS (Falling Objects Guarding System) capability
    •  Sun screen
    •  Long undercarriage
    •  Idler and track guiding guards
    •  Towing eyes on base frame
    •  Grease lubricated track GLT2, resin
    •  Batteries (2 – 900 CCA)
    •  Capability to connect a beacon
    •  Working light, storage box mounted
    •  Interior lighting
    •  Cab mounted working lights
    •  Right mounted boom light for reach boom
  • Working light, storage box mounted
    • Interior lighting
      • Cab mounted working lights
        • Right mounted boom light for reach boom
            •  Cat one key security system
            •  Door and compartment locks
            •  Signaling/warning horn
            •  Rearview mirrors
            •  Rearview camera ready
            •  Fire wall between engine and pump compartment
            •  Emergency engine shutoff switch
            •  Battery disconnect switch
            •  Cap locks on fuel and hydraulic tanks
            •  Lockable tool box
            •  5860 kg (12,920 lb) counterweight
          • 5860 kg (12,920 lb) counterweight
            • ENGINE
              •  Starting kit, cold weather, <–32° C (–26° F)
            • Starting kit, cold weather, <–32° C (–26° F)
              • HYDRAULIC SYSTEM
                •  Boom and stick high pressure lines
                •  Boom and stick QC lines
                •  Tool control system
                •  Hammer circuit, foot pedal operated
              • Boom and stick high pressure lines
                • Boom and stick QC lines
                  • Tool control system
                    • Hammer circuit, foot pedal operated
                      • CAB
                        •  12V-10A power supply
                        •  12V Radio Ready
                        •  Travel alarm
                        •  Falling Objects Guarding System (FOGS)
                        •  Rearview camera and mirrors
                        •  Control pattern quick-changer
                      • UNDERCARRIAGE AND GUARDS
                        •  600 mm (24 in) double grouser shoes
                        •  600 mm (24 in) triple grouser shoes
                        •  700 mm (28 in) triple grouser shoes
                        •  800 mm (31 in) triple grouser shoes
                        •  Segmented track guiding guard (three pieces)
                        •  Full length track guiding guard
                        •  HD guard package: – (HD) bottom – (HD) travel motor – Swivel guard
                      • FRONT LINKAGE
                        •  Heavy Duty 6.15 m (20'2") reach boom with left side light: – R3.2CB2 (10'6") HD stick – R2.65CB2 (8'8") HD stick
                        •  Mass boom 5.55 m (18'2") with left side light: – M2.5 DB (8'2") stick – Bucket linkage with lifting eye
                      • TECHNOLOGY
                        •  Product link
                      • Product link

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