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Large Excavators

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.

336D2/D2 L Hydraulic Excavator

The 336D2 incorporates innovations to improve your job site efficiency through low owning and operating costs, excellent performance, and high versatility.

  • Specification Summary

  • Engine ModelCat® C9 ACERT™
  • Net Flywheel Power208 kW
  • Bore112 mm
  • Stroke149 mm
  • Displacement8.8 L
  • Product Brochure

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Product Details

Engine

Engine Model Cat® C9 ACERT™
Net Flywheel Power 208 kW
Bore 112 mm
Stroke 149 mm
Displacement 8.8 L
Engine Power (ISO 14396) 209 kW
Net Power (SAE J1349/ISO 9249) 208 kW

Weights

Operating Weight 37100 kg
Operating Weight - Long Undercarriage 37100 kg
Operating Weight - Standard Undercarriage 34600 kg

Drive

Maximum Travel Speed 4.6 km/h
Maximum Drawbar Pull 300 kN

Hydraulic System

Swing System - Maximum Flow 265 L/min
Maximum Pressure - Travel 35000 kPa
Maximum Pressure - Swing 28000 kPa
Pilot System - Maximum Flow 40 L/min
Pilot System - Maximum Pressure 4000 kPa
Boom Cylinder - Bore 150 mm
Boom Cylinder - Stroke 1440 mm
Stick Cylinder - Bore 170 mm
Stick Cylinder - Stroke 1738 mm
Bucket Cylinder - Bore 150 mm
Bucket Cylinder - Stroke 1151 mm
Main System - Maximum Flow (each) 281 L/min
Maximum Pressure - Equipment 35000 kPa

Service Refill Capacities

Fuel Tank Capacity 620 L
Cooling System 40 L
Engine Oil 41 L
Final Drive (each) 8 L
Hydraulic System (including tank) 410 L
Hydraulic Tank 175 L
Swing Drive 19 L

Swing Mechanism

Swing Speed 8.3 RPM
Swing Torque 109 kN·m

Operator Station

Comfort and convenience to keep people productive

Cab Structure and Mounts

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

Seat

The suspension seat provides a variety of adjustments to accommodate a wide range of operators. The seat includes a reclining back, upper and lower seat slide adjustments, and height and tilt adjustments to meet your needs for comfort and productivity.

Joystick Control and Console

Low-effort, pilot-operated joystick controls are designed to match your natural wrist and arm position for maximum comfort and minimum fatigue. The right and left joystick console can be adjusted to meet your individual preferences, improving overall comfort and productivity during the course of a long work day.

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 left console.

Windows and Wipers

All glass is affixed directly to the cab to maximize 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. Pillar-mounted wipers increase your viewing area and offer continuous and intermittent modes.

Monitor

The new monitor features a 40 percent larger screen with four times increased resolution display.

The LCD monitor is equipped with a warning lamp and buzzer for critical engine oil pressure, coolant temperature and oil temperature. Programmable in up to 42 languages to meet today’s diverse workforce, 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.

Engine

Powerful, reliable, and fuel efficient to deliver more to your bottom line

Emission Standards

The Cat C9 ACERT engine has been designed to meet Tier 3, Stage IIIA and China Stage III Nonroad equivalent emission standards. The engine incorporates proven robust components and precision manufacturing you can count on for reliable and efficient operation.

Isochronous Control

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

Filtration System

The engine features an improved filtration system to ensure reliability even with low quality fuel.

Automatic Engine Speed Control

Automatic engine speed control is activated during no-load or light-load conditions to reduce engine speed – all to help minimize fuel consumption.

Low Sound and Vibration

The Cat C9 ACERT engine is built to run quietly with limited vibration, improving your comfort.

Electric Fuel Priming Pump

Electric priming pump eliminates the need for manual priming and reduces the risk of fuel contamination by preventing unfiltered fuel from being backfilled during filter changes.

Hydraulics

Power to move more dirt, rock, and debris with speed and precision

Hydraulic System

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

Pilot System

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

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, multiprocessors, 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.

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.

Structures and Undercarriage

Built to work in rugged environments

Main Frame

The rugged main frame is built to perform in the toughest applications. The X-shaped, box-section carbody provides excellent resistance to torsional bending, and press-formed, robot-welded track roller frames provide exceptional strength and durability.

Undercarriage

Durable Cat undercarriage absorbs stress and provides excellent stability. The 336D2 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.

Rollers and Idlers

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

Standard Undercarriage

Standard undercarriage is well suited for applications that require frequent machine repositioning; it’s also a good choice for restricted work spaces or uneven rocky terrain.

Long Undercarriage

Wide and sturdy long undercarriage offers an excellent platform for applications that require maximum stability and lift capacity.

Counterweight

A 6.0 mt (6.6 t) weight works well in applications that require heavy lifting. It’s bolted directly to the main frame for extra rigidity.

Front Linkage

Made for high stress and long service life

Heavy-Duty Reach Front Linkage

The heavy-duty (HD) reach (R) front linkage is built to work in a variety of tough, demanding applications like loading rock or hammering concrete. The 6.50 m (21'4") heavy duty reach 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.

Three stick options are available to meet all your application requirements:
  • The 3.9 m (12'10") stick is a great choice when you need additional working range like truck loading and deep trenching.
  • The 3.2 m (10'6") stick is a versatile option that will meet the needs for most of your construction applications.
  • The 2.8 m (9'2") stick is best used when you are working primarily in truck loading applications to maximize your breakout force and increase your bucket fill factor.

Mass Excavation Front Linkage

The mass excavation (ME) front linkage is designed to maximize machine performance through superior digging forces and a larger bucket capacity. The 6.18 m (20'3") mass excavation boom is reinforced with a large cross section and internal baffle plates for long life and durability.

The ME reach boom has two stick options to meet your demanding applications:
  • The 2.55 m (8'4") stick is designed for large, high-volume earthmoving work.
  • The 2.15 m (7'1") stick is best when you primarily use high-capacity buckets in truck loading applications to maximize your breakout force and increase your bucket fill factor.

Service and Maintenance

Fast, easy and safe access built in

Ground-Level Service

The design and layout of the 336D2 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 filter plugs, a warning is displayed on the cab monitor. Maintenance-free batteries are standard along with a battery disconnect switch.

Greasing Points

A concentrated remote greasing block on the boom allows greasing of hard-to-reach locations on the boom and stick.

Fan Guard

The engine radiator fan is enclosed by a steel guard that provides maximum protection when carrying out routine service and maintenance.

Wiring Harness and Routing

Industrial-grade electrical wiring (SXL type) resists dust, water, and vibration during the entire life of the machine. The wires are color coded and numbered to facilitate troubleshooting in case of an issue. The navy-type electrical braiding over the wiring is flame resistant and properly secured by bolts, adding extra protection to the electrical system.

Diagnostics and Monitoring

Standard hydraulic test ports enable a service technician to evaluate the hydraulic system, engine oil, and coolant quickly and easily for more efficient maintenance.

Pump Compartment

A service door on the right side of the upper structure allows ground-level access to the hydraulic pumps, hydraulic filters, engine oil filter, and fuel filters.

Radiator Compartment

The left rear service door allows easy access to the engine radiator, hydraulic oil cooler, air-to-air aftercooler, and AC condenser. A reserve tank and drain cock are attached to the radiator for ground-level maintenance.

Complete Customer Support

Service you can count on

Product Support

Cat dealers utilize a worldwide computer network to find in-stock parts to minimize machine downtime. You can also save money with our line of remanufactured components.

Machine Selection

Your Cat dealers can provide specific recommendations with detailed comparisons of the Cat machines you are considering before you buy. This ensures you get the right size machine and appropriate work tools to meet all of your application needs.

Maintenance Services

Repair option programs guarantee the cost of repairs up front. Condition monitoring services and diagnostic programs such as scheduled oil sampling, coolant sampling, and technical analysis help you avoid unscheduled repairs.

Customer Support Agreements

Cat dealers offer a variety of product support agreements that can be tailored to meet your specific needs. These plans can cover the entire machine – including attachments – to help protect your investment.

Replacement

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

Work Tools

Dig, hammer, rip, and cut with confidence

Versatility and Performance

Each Cat work tool 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 is available for your 336D2/D2 L.

Buckets and GET

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)

GD buckets are 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)

SD buckets are best suited to highly abrasive materials like shot rock, sand stone, and granite.

Extreme-Duty Buckets (XD)

XD buckets are for extremely abrasive materials like high-quartzite granite.

Couplers

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.

Center-Lock™ Coupler

Center-Lock is a 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.

E Series Hammers

E Series hammers bring together customer expectations for performance, quality, and serviceability along with Caterpillar manufacturing expertise. They are also quiet – a significant benefit in urban and noise-restricted work areas.

Rippers

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.

Grapples

Cat grapples make Cat excavators the ideal machine for handling loose material, sorting trash, and demolition site cleanup. An array of styles and sizes is available to match excavators to the task at hand.

Multi-Processors

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 tasks such as cutting steel rebar and tanks.

Shears

Cat shears are designed to take full advantage of the hydraulic flows and pressures produced by Cat excavators – all to enhance productivity without compromising safety or causing premature wear of the shear or carrier.

Pulverizers

Mechanical pulverizers are cost-effective tools for recycling demolished concrete debris. The bucket cylinder on the excavator powers the pulverizer, eliminating the need for a dedicated cylinder, associated hydraulics, and additional installation cost.

Compactors

Cat compactors make job site compaction quick, efficient, and cost effective.

Crushers

The hydraulic concrete crusher is well suited for demolition in residential areas. The tool combines several demolition operations in one piece of equipment:
  • Breaking out concrete from fixed structures
  • Pulverizing concrete
  • Cutting reinforcement rods and small steel profiles

Safety

Features to help protect you day in and day out

Caterpillar builds safety into every machine, allowing operators and service technicians to get home safely everyday.

Built with similar safety features like our standard machine, the 336D2 accumulator high-pressure oil is discharged after key-off to minimize risk during servicing.

Clear View

Optional rearview camera systems improve rearward and right-hand-side visibility, giving a clear view to the back side of the machine.

This not only improves job site safety, but also enhances productivity and helps to maintain the asset value of your machine.

Hydraulic Lockout Lever

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.

Safe Platform

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.

Firewall

A full length firewall separates the engine from the hydraulic pump and offers protection in the event of an incident.

Three Circuit Breakers and Battery Disconnect Switch

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.

Shut-off Switch

Ground level shut-off switch stops all fuel to the engine when activated and shuts down the machine.
  • ENGINE
    •  Diesel C9 ACERT engine
    •  2300 m (7,546 ft) altitude capability
    •  65 amp alternator
    •  Air intake heater
    •  High power version with Power Management Mode
    •  Radial seal air filters (primary and secondary filter)
    •  Automatic engine speed control
    •  Water separator with water level indicator sensor
    •  Waved fin radiator with space for cleaning
    •  Two-speed travel
    •  Two (2) micron fuel filters
    •  Electric priming pump
  • HYDRAULIC SYSTEM
    •  Capability of installing additional valves and circuits
    •  Regeneration circuits for boom and stick
    •  Reverse swing damping valve
    •  Automatic swing parking brake
  • CAB
    •  Retractable seat belt (51 mm [2 in]; 76 mm [3 in] width)
    •  70/30 split front windshield
    •  Laminated upper front windshield and tempered other windows
    •  Sliding upper door window
    •  Bi-level air conditioner (automatic) with defroster (pressurized cab)
    •  Color LCD display with warning, filter/fluid change, and working hour information
    •  Neutral lever (lock out) for all controls
    •  Travel control pedals with removable hand levers
    •  Radio mounting (DIN size)
    •  12V – 2× maximum 10A power supply
    •  Two stereo speakers
    •  Beverage holder
    •  Coat hook, ashtray, literature holder
    •  Openable roof hatch
    •  Washable floor mat
  • UNDERCARRIAGE
    •  Idler and center section track guiding guards
    •  Towing eye on base frame
    •  Grease lubricated track GLT2, resin seal
  • ELECTRICAL
    •  Circuit breaker
    •  Light, boom mounted, left and right
    •  Light, storage box mounted
  • SAFETY AND SECURITY
    •  Cat one key security system
    •  Door and compartment locks
    •  Signaling/warning horn
    •  Rearview mirrors
    •  Emergency engine shutoff switch
    •  Emergency exit rear window
    •  Capability to connect a beacon
  • Cat one key security system
    • Door and compartment locks
      • Signaling/warning horn
        • Rearview mirrors
          • Emergency engine shutoff switch
            • Emergency exit rear window
              • Capability to connect a beacon
                • COUNTERWEIGHT
                  •  6.0 mt (6.6 t) counterweight
                • 6.0 mt (6.6 t) counterweight
                  • FRONT PARTS
                    •  Heavy duty Reach boom: – R3.9DB stick – R3.2DB stick – R2.8DB stick
                    •  Mass Excavation boom: – M2.55TB stick – M2.15TB stick
                    •  Bucket linkage: – DB Bucket linkage (with/without lifting eye) – TB Bucket linkage (with/without lifting eye)
                  • Heavy duty Reach boom: – R3.9DB stick – R3.2DB stick – R2.8DB stick
                    • Mass Excavation boom: – M2.55TB stick – M2.15TB stick
                      • Bucket linkage: – DB Bucket linkage (with/without lifting eye) – TB Bucket linkage (with/without lifting eye)
                        • UNDERCARRIAGE
                          •  Heavy duty bottom guard
                          •  Standard/HD Swivel guard
                          •  HD Travel motor guard
                          •  Full length track guiding guards
                          •  FOGS (bolt-on)
                          •  600 mm, 700 mm, 800 mm (24 in) Triple Grouser tracks
                        • HYDRAULICS
                          •  Boom and Stick High pressure lines
                          •  Boom and Stick Medium pressure lines
                          •  Boom, Stick and Bucket Quick coupler lines
                          •  Boom/Stick lowering control device
                          •  Quick coupler circuit
                          •  Fine swing control
                          •  Bio-oil capability
                        • CAB
                          •  Roll Over Protective Structure (ROPS) cab
                          •  Mechanical suspension seat, with head rest
                          •  Air suspension seat, with head rest and seat heater
                          •  12V-10A power supply with two (2) cigar lighter type sockets
                          •  Rain protector for front windshield
                          •  AM/FM radio
                          •  Control pattern quick-changer
                          •  Third pedal for straight travel
                        • OTHER OPTIONAL EQUIPMENT
                          •  Travel alarm
                          •  Starting kit, cold weather
                          •  Electric refueling pump with auto shut off
                        • INTEGRATED TECHNOLOGIES
                          •  Rearview camera
                          •  AccuGrade™ ready attachment
                          •  Cat Product Link™
                        • Rearview camera
                          • AccuGrade™ ready attachment
                            • Cat Product Link™

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