Caterpillar Equipment

Construction Equipment Products

C10386269

The Cat® 303E CR Mini Hydraulic Excavator delivers high performance, durability and versatility in a compact design to help you work in a variety of applications.

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  • Features
  • Specifications
  • Standard & Optional Equipment
  • Superior Operating Experience

    Safety and comfort all day.

    ROPS/TOPS/TOP GUARD certification ensures the machine is prepared to protect you.

    Spacious and Ergonomic Working Environment

    Your safety and comfort is incorporated into the design of every Cat machine.

    *Cab unit includes sliding door and openable front window/removable lower window.

    An easy to use pattern control selector and informative gauge panel ensure optimal operation.

    Cat Interlock System aids in job site safety. When the hydraulic lockout lever is in the up position no operational function is possible – including travel.

    Travel alarm as standard safety offering. An audible alarm alerts job site operators of machine travel (optional in Europe).

    The adjustable suspension seat, retractable seat belt and adjustable wrist rests allow you to customize the operating station to meet your needs. Ergonomically designed joystick control and travel levers reduce fatigue and improve productivity.

    Simple Service and Maintenance Access

    Low cost of ownership.

    Easy Maintenance Access and Extended Service Intervals

    Ease of access to daily maintenance check points ensures your machine is in prime condition to complete any task.

    Engine and hydraulic hoods are simple to open and offer outstanding visibility and convenience to check points.

    500 hour engine oil and filter change period reduces operating costs and machine downtime.

    Easy access to the engine oil check and fill, vertically mounted engine oil filter, starter motor and alternator, as well as the radiator and oil cooler all result in simplified cleaning and reduced maintenance times.

    Solid Performance in a Small Package

    Compact and efficient design provides superior power.

    Compact Radius

    The 303E allows you to easily reposition within a confined space and increase your overall productivity. Proficient movement is enhanced as a result of the limited tailswing and swing boom design.

    Transport

    With an operating weight of 3200 kg (7,055 lb) and width of 1550 mm (60 in) the 303E is simple to load and position on a trailer with tie down points – getting you to the job site quicker.

    Fuel Economy

    Powered by the C1.3 engine, the 303E offers the performance and power required for your job with minimal fuel consumption.

    Productivity and Durability

    Designed for reliability.

    Auxiliary Hydraulics

    The 303E is ready to work. Hammer and two way lines with quick disconnect fittings are standard on every machine.

    Thumb Ready Stick

    The machine is configured with brackets and relief valves for simple and cost effective mounting of a hydraulic thumb.

    Dozer Blade

    The durable blade and dozer float function provide the required design and capability to increase overall efficiency. Ground leveling and finishing applications are fast and easy with a single lever controlling all blade operation – up, down and float.

    The quick disconnects are located close to the tool to reduce hose length and decrease owning and operating costs associated with hose replacement.

    Hose routings provide superior protection and cylinder guards decrease opportunity for machine damage.

    Unmatched Support and Solutions

    Equipment, service and attachments to meet your needs.

    Customized Solutions for Any Application

    A range of tools is available to take advantage of the machine’s versatility. All tools are matched to the machine to optimize performance and deliver excellent value through high productivity and long life.

    Customer Support You Can Count On

    Your Cat dealer is ready to assist you with your purchase decision and everything after.

    Financing packages are flexible to meet your needs.

    Superior parts availability keeps you working.

  • Engine Model Cat C1.3
    Net Power 23.5 hp
    Gross Power 24.8 hp
    Operating Weight 7297 lb
    Operating Weight with Cab 7782 lb
    Bore 3.1 in
    Stroke 3.5 in
    Displacement 77 in3
    Max traction force - high speed 2.8 lb
    Max traction force - low speed 1.5 lb
    Travel Speed - High 3417 mph
    Travel Speed - Low 6946 mph
    Operating Pressure - Equipment 23.1 psi
    Digging Forces - Stick (standard) 3553 lb
    Digging Force - Stick (long) 3553 lb
    Digging Force - Bucket 2625 lb
    Operating Pressure - Travel 15.9 psi
    Operating Pressure - Swing 7.1 psi
    Auxiliary circuit - primary 3731 gal/min
    Auxiliary circuit - secondary 6384 gal/min
    Machine Swing Speed 9 RPM
    Boom swing - left (without stop) 80°
    Boom swing - left (with stop) *Automatic swing brake, spring applied, hydraulic release.
    Boom Swing - Right 50°
    Width 60 in
    Height 13 in
    Dig Depth 19 in
    Lift Height 16 in
    Cooling System 1.2 gal
    Engine Oil 1.5 gal
    Hydraulic Tank 12.4 gal
    Fuel Tank 11.8 gal
    Hydraulic System 17.2 gal
  • Standard Equipment

    • 1-way and 2-way (combined function) auxiliary hydraulic lines
    • Adjustable armrests
    • Alternator
    • Automatic swing park brake
    • Automatic two speed travel
    • Auxiliary line quick disconnects
    • Boom cylinder guard
    • Cab mounted work light
    • Canopy with Top Guard ISO 10262 (Level 1), ROPS ISO 12117-2 and TOPS ISO 12117
    • Coat hook
    • Cup holder
    • Control pattern changer
    • Dozer blade with float function
    • Foot travel pedals
    • Gauges or indicators for fuel level engine coolant temperature, hour meter, engine oil pressure, air cleaner, alternator and glow plugs, service interval
    • Horn
    • Hydraulic oil cooler
    • Lifting eye on bucket linkage (standard equipment for all regions except Europe)
    • Lockable storage box
    • Low maintenance linkage pin joints
    • Maintenance free battery
    • Rubber track
    • Retractable seatbelt
    • Standard stick
    • Suspension seat, vinyl covered
    • “Thumb ready” sticks
    • Travel alarm (optional in Europe)

    Optional Equipment

    • Beacon socket for canopy machines
    • Boom mounted light
    • Cab, Top Guard ISO 10262 (Level 1), ROPS ISO 12117-2 and TOPS ISO 12117
    • High back suspension seat, fabric covered
    • Mechanical quick coupler
    • Mirrors for cab and canopy
    • Steel track









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