New CAT Equipment

303 CR Mini Hydraulic Excavator

Mini Excavators Inspired by Our Customers

The Cat® 303 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.

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    Benefits

    4 Industry First Features

    Cat Exclusives in a Mini Excavator

    Up to 5% Lower Total Ownership Costs

    with more common parts, lower repair costs and tilt up cab

    Up to 10% More Performance

    with programmable operator settings and faster cyle times

    Learn more about the 303 CR Mini Hydraulic Excavator

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    • Blade
      Height
      13.8 in
      Width
      61 in
    • Certification - Cab and Canopy
      Roll Over Protective Structure (ROPS)
      ISO 12117-2:2008
      Tip Over Protective Structure (TOPS)
      ISO 12117:1997
      Top Guard
      ISO 10262:1998 (Level I)
    • Dimensions - Long Stick
      Boom Height - Shipping Position
      75.6 in
      Boom In Reach
      74.2 in
      Boom Swing - Left
      25.2 in
      Boom Swing - Right
      34.3 in
      Dig Depth
      116.1 in
      Ground Clearance
      12.2 in
      Maximum Blade Depth
      21.1 in
      Maximum Blade Height
      15.2 in
      Maximum Dig Height
      183.1 in
      Maximum Dump Clearance
      130.3 in
      Maximum Reach
      206.3 in
      Maximum Reach - Ground Level
      201.2 in
      Note
      *Overall Shipping Length depends on blade position during shipment.
      O/A Shipping Height
      97.6 in
      O/A Undercarriage Length
      81.5 in
      Overall Shipping Length*
      179.5 in
      Stick Length
      61.4 in
      Swing Bearing - Height
      22.4 in
      Tail Swing
      33.3 in
      Tail Swing with Counterweight
      35 in
      Tail Swing without Counterweight
      30.5 in
      Track Belt/Shoe Width
      11.8 in
      Track Width - Expanded
      61 in
      Vertical Wall
      81.5 in
    • Dimensions - Standard Stick
      Boom Height - Shipping Position
      63 in
      Boom In Reach
      68.9 in
      Boom Swing - Left
      25.2 in
      Boom Swing - Right
      34.3 in
      Dig Depth
      104.3 in
      Ground Clearance
      12.2 in
      Maximum Blade Depth
      21.1 in
      Maximum Blade Height
      15.2 in
      Maximum Dig Height
      177.6 in
      Maximum Dump Clearance
      124.8 in
      Maximum Reach
      196.1 in
      Maximum Reach - Ground Level
      190.2 in
      Note
      *Overall Shipping Length depends on blade position during shipment.
      O/A Shipping Height
      97.6 in
      O/A Undercarriage Length
      81.5 in
      Overall Shipping Length*
      177.6 in
      Stick Length
      49.6 in
      Swing Bearing - Height
      22.4 in
      Tail Swing
      33.3 in
      Tail Swing with Extra Counterweight
      35 in
      Tail Swing without Counterweight
      30.5 in
      Track Belt/Shoe Width
      11.8 in
      Track Shoe Width
      61 in
      Vertical Wall
      71.7 in
    • Engine
      Bore
      3 in
      Displacement
      69 in³
      Emissions
      Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
      Engine Model
      C1.1 Turbo
      Gross Power - 2,400 rpm - SAE J1995:2014
      24.7 HP
      Net Power
      23.6 HP
      Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC
      23.6 HP
      Note
      Advertised power is tested per the specified standard in effect at the time of manufacture.
      Stroke
      3.2 in
    • Hydraulic System
      Auxiliary Circuit - Primary - Flow
      17 gal/min
      Auxiliary Circuit - Primary - Pressure
      3553 psi
      Auxiliary Circuit - Secondary - Flow
      7 gal/min
      Auxiliary Circuit - Secondary - Pressure
      3553 psi
      Digging Force - Bucket
      6385 lbf
      Digging Force - Stick - Long
      3327 lbf
      Digging Force - Stick - Standard
      3732 lbf
      Note
      * Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
      Operating Pressure - Equipment
      3553 psi
      Operating Pressure - Swing
      2553 psi
      Operating Pressure - Travel
      3553 psi
      Pump Flow at 2,400 rpm
      26 gal/min
      Type
      Load Sensing Hydraulics with Variable Displacement Piston Pump
    • Service Refill Capacities
      Cooling System
      1.1 gal (US)
      Engine Oil
      1.1 gal (US)
      Fuel Tank
      11.9 gal (US)
      Hydraulic System
      9.2 gal (US)
      Hydraulic Tank
      4.8 gal (US)
    • Sound
      Average Exterior Sound Pressure (ISO 6395:2008)
      94 dB(A)
      Note
      European Union Directive “2000/14/EC”
      Operator Sound Pressure (ISO 6396:2008)
      78 dB(A)
    • Sustainability
      Recyclability
      95%
    • Swing System
      Boom Swing - Left
      75 °
      Boom Swing - Right
      50 °
      Machine Swing Speed
      9 r/min
    • Travel System
      Gradeability - Maximum
      30 degrees
      Ground Pressure - Maximum Weight
      4.7 psi
      Ground Pressure - Minimum Weight
      4 psi
      Maximum Traction Force - High Speed
      3305 lbf
      Maximum Traction Force - Low Speed
      7059 lbf
      Travel Speed - High
      2.8 mile/h
      Travel Speed - Low
      1.6 mile/h
    • Weight Increase from Minimum Configuration
      Cab
      254 lb
      Counterweight
      221 lb
      Extra Counterweight
      551 lb
      Long Stick
      55 lb
      Steel Tracks
      276 lb
    • Weights
      EU: CE Plate Weight with Cab***
      7012 lb
      EU: CE Plate Weight with Canopy***
      6791 lb
      Maximum Operating Weight with Cab**
      7817 lb
      Maximum Operating Weight with Canopy**
      7552 lb
      Minimum Operating Weight with Cab*
      6924 lb
      Minimum Operating Weight with Canopy*
      6670 lb
      Note (1)
      *Minimum Weight is based on fixed rubber tracks, operator, full fuel tank, standard stick, blade, bucket and no extra counterweight.
      Note (2)
      **Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, blade, bucket and extra counterweight.
      Note (3)
      ***CE Plate Weight is based on the most common EU configuration. Includes 75 kg (165 lb) operator and full fuel tank and excludes bucket.
      Operating Weight
      7817 lb
    ENGINE
    • Cat C1.1 Turbo Engine (U.S. EPA Tier 4 Final/EU Stage V)
    • Automatic Engine Idle
    • Automatic Engine Shutdown
    • Automatic Two Speed Travel
    • Fuel Water Separator
    • Power on Demand (not available in all regions)
    • Variable Displacement Piston Pump
    • Load Sensing/Flow Sharing Hydraulics
    HYDRAULICS
    • Smart Tech Electronic Pump
    • Accumulator
    • Automatic Swing Brake
    • Auxiliary Hydraulic Lines
    • One and Two Way Auxiliary Flow
    • Continuous Auxiliary Flow
    • Auxiliary Line Quick Disconnects
    GUARDING
    • Top Guard ISO 10262:1998 Level I
    OPERATOR ENVIRONMENT
    • Tilt-up Canopy or Tilt-Up Cab
    • ROPS – ISO 12117-2:2008
    • TOPS – ISO 12117:1997
    • Next Generation Advanced Monitor
      – Touch Screen
      – Site Reference System
      – High Definition Camera Capable (IP68 and IP69K)
      – Numeric Security Code
    • Stick Steer Mode
    • Travel Cruise Control
    • Control Pattern Changer (optional in some regions)
    • Adjustable Wrist Rests
    • Washable Floor Mat
    • Travel Pedals and Hand Levers
    • Machine Security
    • Machine Security – Standard Key with Pass Code
    • Fabric Suspension Seat (Cab only)
    • Vinyl Suspension Seat (Canopy only)
    • Hydraulic Lockout – All Controls
    • Retractable High Visibility Seat Belt (75 mm/3 in)
    • Coat Hook
    • Cup Holder
    • Storage Pocket
    • Skylight
    • Mounting Bosses for Front
    • Signaling/Warning Horn
    • Interior Light (Cab only)
    • Boom Light, Halogen
    • Utility Space for Mobile Phone
    • Next Generation Color LCD Monitor (IP66)
      – Fuel Level and Coolant Temperature Gauges
      – Maintenance and Machine Monitoring
      – Performance and Machine Adjustments
      – Numeric Security Code
      – Multiple Languages
      – Hour Meter with Wake Up Switch
      – Jog Dial (cab only)
    UNDERCARRIAGE
    • Rubber Belt (300 mm/11.8 in wide)
    • Dozer Blade
    • Dozer Blade Float
    • Tie Downs on Track Frame
    BOOM, STICK AND LINKAGES
    • One Piece Boom (2200 mm/86.6 in)
    • Standard Stick (1260 mm/49.6 in)
    • Front Shovel Capable – Hydraulic Coupler
    • Front Shovel Capable – Pin-On
    • Thumb Ready (not available in all regions)
    • Certified Lifting Eye (optional in some regions)
    ELECTRICAL
    • 12 Volt Battery
    • Software (machine and monitor)
    • Maintenance Free Battery
    • Signaling/Warning Horn
    • 12 Volt Power Socket
    OPERATOR ENVIRONMENT
    • Cab with Air Conditioning
    • Cab with Heater
    • Control Pattern Changer (optional in some regions)
    • No Travel Pedals and Hand Levers
    • Machine Security – Push to Start with Key Fob/Pass Code
    • Vinyl Non-Suspension Seat (Canopy only)
    • LED Front Lights
    • LED Front and Rear Lights
    • LED Boom Light
    • Mirrors Left and Right
    • Radio – Bluetooth®, Auxiliary, Microphone, USB (charging only) (Cab only)
    • Seat Belt Reminder System
    UNDERCARRIAGE
    • Steel Track (300 mm/11.8 in wide)
    BOOM, STICK AND LINKAGES
    • Long Stick (1560 mm/61.4 in)
    • Front Shovel Capable – Dual Lock Manual Coupler
    • Attachments including Couplers, Thumbs, Buckets, Augers and Hammers
    • 2nd Auxiliary Hydraulic Lines
    • Boom Lowering Check Valve
    • Stick Lowering Check Valve
    • Hydraulic Quick Coupler Lines (not available in all regions)
    ELECTRICAL
    • Battery Disconnect
    • Product Link PL243 (regulations apply)
    • Product Link PLE643 (regulations apply)
    • Travel Alarm (standard in some regions)
    GUARDING
    • Polycarbonate Front Guard (ISO 10262:1998 Level I and EN356 P5A)
    • Polycarbonate Half Height Front Guard (Canopy only)
    OTHER
    • Bio Oil Capable
    • Eco Drain
    • Water Jacket Heater

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