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303E CR Mini Hydraulic Excavator

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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SPECIFICATION SUMMARY
  • Engine Model Cat C1.3
  • Net Power 23.5 hp
  • Operating Weight with Canopy 7297 lb
  • Gross Power – ISO 14396 24.8 hp

PRICE (USD)
Call 800-637-5000 for rate information

Engine

  • Engine Model
    Cat C1.3
  • Net Power
    23.5 hp
  • Gross Power – ISO 14396
    24.8 hp
  • Bore
    3.1 in
  • Stroke
    3.5 in
  • Displacement
    77 in3
  • Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269
    23.5 HP
  • Gross Power
    24.8 hp
  • Engine Model
    Cat C1.3
  • Net Power
    23.5 HP
  • Gross Power - ISO 14396
    24.8 HP
  • Bore
    3.1 in
  • Displacement
    77 in³
  • Stroke
    3.5 in
  • Gross Power
    24.8 HP
  • Note
    Cat C1.3 engine meets U.S. EPA Tier 4 Final/EU Stage V emission standards.

Weights

  • Operating Weight with Canopy
    7297 lb
  • Operating Weight - With Cab
    7204 lb
  • Note
    Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
  • Operating Weight - With Canopy
    6721 lb
  • Note
    Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
  • Note
    Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.

Hydraulic System

  • Pump Flow at 2,400 rpm
    23.1 gal/min
  • Auxiliary Circuit – Primary (186 bar/2,734 psi)
    15.9 gal/min
  • Auxiliary Circuit – Secondary (174 bar/2,524 psi)
    7.1 gal/min
  • Type
    Load Sensing Hydraulics with Variable Displacement Piston Pump
  • Operating Pressure - Equipment
    3553 psi
  • Operating Pressure - Travel
    3553 psi
  • Operating Pressure - Swing
    2625 psi
  • Digging Force - Stick - Standard
    3732 lbf
  • Digging Force - Stick - Long
    3327 lbf
  • Auxiliary Circuit - Primary (186 bar/2,734 psi)
    15.9 gal/min
  • Auxiliary Circuit - Secondary (174 bar/2,524 psi)
    7.1 gal/min
  • Digging Force - Bucket
    6385 lbf
  • Pump Flow at 2,400 rpm
    23.1 gal/min

Swing System

  • Machine Swing Speed
    9 rpm
  • Boom Swing – Left*
    80°
  • Note
    *Automatic swing brake, spring applied, hydraulic release.
  • Boom Swing – Right
    50°
  • Machine Swing Speed
    9 r/min
  • Boom Swing - Left*
    80°
  • Boom Swing - Right
    50°
  • Note
    *Automatic swing brake, spring applied, hydraulic release.

Blade

  • Width
    60 in
  • Height
    13 in
  • Dig Depth
    19 in
  • Lift Height
    16 in
  • Width
    60 in

Service Refill Capacities

  • 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
  • Cooling System
    1.2 gal (US)
  • Engine Oil
    1.5 gal (US)
  • Fuel Tank
    11.9 gal (US)
  • Hydraulic System
    17.2 gal (US)
  • Hydraulic Tank
    12.4 gal (US)

Travel System

  • Travel Speed – High
    2.8 mph
  • Travel Speed – Low
    1.5 mph
  • Maximum Traction Force - High Speed
    3417 lbf
  • Maximum Traction Force - Low Speed
    6947 lbf
  • Ground Pressure
    4.6 psi
  • Gradeability (maximum)
    30°
  • Travel Speed - High
    2.8 mile/h
  • Travel Speed - Low
    1.5 mile/h
  • Ground Pressure
    4.6 psi
  • Gradeability - Maximum
    30°
  • Gradeability - Continuous Operation
    20°
  • Ground Pressure - Cab Long Stick
    4.8 psi
  • Ground Pressure - Cab Standard Stick
    4.7 psi
  • Ground Pressure - Canopy Long Stick
    4.5 psi
  • Ground Pressure - Canopy Standard Stick
    4.4 psi

Dimensions (Approximate)

  • Dig Depth
    108 in
  • Vertical Wall
    77 in
  • Maximum Reach - Ground Level
    189 in
  • Maximum Reach
    195 in
  • Maximum Dig Height
    178 in
  • Maximum Dump Clearance
    124 in
  • Boom In Reach
    83 in
  • Tail Swing
    35 in
  • Maximum Blade Height
    16 in
  • Maximum Blade Depth
    19 in
  • Boom Height - Shipping Position
    63 in
  • O/A Shipping Height
    98 in
  • Swing Bearing - Height
    22 in
  • O/A Undercarriage Length
    87 in
  • O/A Shipping Length
    176 in
  • Boom Swing - Right
    32 in
  • Boom Swing - Left
    24 in
  • Track Belt/Shoe Width
    12 in
  • O/A Track Width
    60 in
  • Dig Depth
    108 in
  • Maximum Reach
    195 in

Undercarriage

  • Number of Carrier Rollers
    1
  • Number of Track Rollers
    4
  • Track Roller Type
    Center Flange

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 (Approximate) - Standard Stick

  • Boom In Reach
    83 in
  • Maximum Dig Height
    178 in
  • Maximum Reach - Ground Level
    189 in

Dimensions (Approximate) - Long Stick

  • Maximum Dig Height
    167 in
  • Maximum Reach - Ground Level
    193 in

Lift Capacities at Ground Level* - Lift Point Radius: 3000 mm (9'8")

  • Blade Down - Front
    2580 lb
  • Blade Down - Side
    1191 lb
  • Blade Up - Front
    1433 lb
  • Blade Up - Side
    1080 lb
  • Note
    *The above loads are in compliance with hydraulic excavator lift capacity rating standard ISO 10567:2007 and they do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. The excavator bucket weight is not included on this chart. Liftin

Lift Capacities at Ground Level* - Lift Point Radius: 4000 mm (13'1")

  • Blade Down - Front
    1632 lb
  • Blade Down - Side
    750 lb
  • Blade Up - Front
    904 lb
  • Blade Up - Side
    662 lb
  • Note
    *The above loads are in compliance with hydraulic excavator lift capacity rating standard ISO 10567:2007 and they do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. The excavator bucket weight is not included on this chart. Liftin

Operating Specifications

  • Machine Overhang
    0 in
  • Machine Overhang with Counterweight
    5 in
  • Stick Length - Long
    61 in
  • Stick Length - Standard
    50 in

Weights*

  • Note
    *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.

Solid Performance in a Small Package – Compact and efficient design provides superior power.

Productivity and Durability – Designed for reliability.

Superior Operating Experience – Safety and comfort all day.

Simple Service and Maintenance Access – Low cost of ownership.

Unmatched Support and Solutions – Equipment, service and attachments to meet your needs.

Standard Equipment:

  • Standard Equipment
    • 1-way and 2-way (combined function) auxiliary hydraulic lines
    • Lockable storage box
    • Cab mounted work light
    • Travel alarm (optional in Europe)
    • Dozer blade with float function
    • Suspension seat, vinyl covered
    • Automatic two speed travel
    • Horn
    • Lifting eye on bucket linkage (standard equipment for all regions except Europe)
    • Alternator
    • Product Link
    • Cup holder
    • Control pattern changer
    • Coat hook
    • Standard stick
    • Low maintenance linkage pin joints
    • Gauges or indicators for fuel level engine coolant temperature, hour meter, engine oil pressure, air cleaner, alternator and glow plugs, service interval
    • Rubber track
    • Canopy with Top Guard ISO 10262:1998 (Level 1), ROPS ISO 12117-2:2008 and TOPS ISO 12117:1997
    • Hydraulic oil cooler
    • Auxiliary line quick disconnects
    • Retractable seatbelt
    • Boom cylinder guard
    • Maintenance free battery
    • Adjustable armrests
    • “Thumb ready” sticks
    • Automatic swing park brake
    • Foot travel pedals

Optional Equipment:

  • Optional Equipment
    • Mirrors for cab and canopy
    • Steel track
    • Cab, Top Guard ISO 10262:1998 (Level 1), ROPS ISO 12117-2:2008 and TOPS ISO 12117:1997
    • Mechanical quick coupler
    • Boom mounted light
    • High back suspension seat, fabric covered
    • Beacon socket for canopy machines
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