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Home New Excavators 303.5 CR Mini Hydraulic Excavator

303.5 CR Mini Hydraulic Excavator

The Cat® 303.5 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.

Available to rent Buy Used

Engine

Net Power 23.6hp
Engine Model C1.7
Net Power @ 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 23.6hp
Net Power - ISO 9249 24.7hp
Bore 3.3in
Stroke 3.9in
Displacement 104in³
Emissions Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Note Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (1) Net power advertised is the power available at the flywheel when the engine is at the rated speed of 2,200 rpm and the engine is installed with the factory configured fan, air intake system, exhaust system and alternator with a minimum alternator load.

Weights

Operating Weight 9239lb
Minimum Operating Weight with Canopy* 7673lb
Maximum Operating Weight with Canopy** 8930lb
Minimum Operating Weight with Cab* 7982lb
Maximum Operating Weight with Cab** 9239lb
EU: CE Plate Weight with Canopy*** 7784lb
EU: CE Plate Weight with Cab*** 8004lb
Note (1) *Minimum Weight is based on fixed rubber tracks, operator, full fuel tank, standard stick, blade, no bucket and extra counterweight.
Note (2) **Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, blade, no 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.

Dimensions - Long Stick

Dig Depth 122.4in
Vertical Wall 94.1in
Maximum Reach - Ground Level 211.8in
Maximum Reach 216.9in
Maximum Dig Height 197.6in
Maximum Dump Clearance 141.7in
Boom In Reach 73.2in
Tail Swing without Counterweight 35in
Tail Swing - with Extra Counterweight 39.6in
Maximum Blade Depth 21.1in
Maximum Blade Height 15.2in
Boom Height - Shipping Position 68.9in
O/A Shipping Height 97.6in
Swing Bearing - Height 22.2in
O/A Undercarriage Length 87.4in
Overall Shipping Length* 190.9in
Boom Swing - Right 34.3°
Boom Swing - Left 640mm
Track Belt/Shoe Width 11.8in
Track Width 70.1in
Minimum Ground Clearance Below Undercarriage 12.2in
Stick Length 61.4in
Note *Overall Shipping Length depends on blade position during shipment.

Sustainability

Recyclability 95%

Travel System

Travel Speed - High 2.8mile/h
Travel Speed - Low 1.6mile/h
Maximum Traction Force - High Speed 3799lbf
Maximum Traction Force - Low Speed 6969lbf
Ground Pressure - Minimum Weight 4.3psi
Ground Pressure - Maximum Weight 5.2psi
Gradeability - Maximum 30 degrees

Air Conditioning System

Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf (Europe) (Global Warming Potential = 1430). See label or instruction manual for gas refrigerant identification. The system contains 0.75 kg (1

Sound

Operator Sound Pressure (ISO 6396:2008) 78dB(A)
Average Exterior Sound Pressure (ISO 6395:2008) 94dB(A)
Note European Union Directive ‚ "2000/14/EC"

Hydraulic System

Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Pump Flow at 2,400 rpm 26gpm
Operating Pressure - Equipment 3553psi
Operating Pressure - Travel 3553psi
Operating Pressure - Swing 2625psi
Auxiliary Circuit - Primary - Flow 18gpm
Auxiliary Circuit - Primary - Pressure 3553psi
Auxiliary Circuit - Secondary - Flow 7gpm
Auxiliary Circuit - Secondary - Pressure 3553psi
Digging Force - Stick - Standard 4249lbf
Digging Force - Stick - Long 3799lbf
Digging Force - Bucket 7419lbf
Note *Flow and pressure are not combinable. Under load, as flow rises pressure goes down.

Swing System

Machine Swing Speed 9r/min
Boom Swing - Left 75°
Boom Swing - Right 50°

Dimensions - Standard Stick

Dig Depth 110.6in
Vertical Wall 88.6in
Maximum Reach - Ground Level 202in
Maximum Reach 207.5in
Maximum Dig Height 193.7in
Maximum Dump Clearance 137.4in
Boom In Reach 69.3in
Tail Swing without Counterweight 35in
Tail Swing with Extra Counterweight 39.6in
Maximum Blade Depth 21.1in
Maximum Blade Height 15.2in
Boom Height - Shipping Position 59.8in
O/A Shipping Height 97.6in
Swing Bearing - Height 22.2in
O/A Undercarriage Length 87.4in
Overall Shipping Length* 189in
Boom Swing - Right 34.3°
Boom Swing - Left 25.2°
Track Belt/Shoe Width 11.8in
Minimum Ground Clearance Below Undercarriage 12.2in
Stick Length 49.6in
Note *Overall Shipping Length depends on blade position during shipment.

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)

Service Refill Capacities

Cooling System 1.8gal (US)
Engine Oil 1.6gal (US)
Fuel Tank 11.9gal (US)
Hydraulic Tank 5.3gal (US)
Hydraulic System 11.9gal (US)

Blade

Width 70.1in
Height 13.8in

Weight Increase from Minimum Configuration

Cab 309lb
Counterweight 221lb
Extra Counterweight 551lb
Long Stick 44lb
Steel Tracks 287lb
Angle Blade 353lb

Standard Equipment

  • Engine
    • Cat C1.7 NA Engine (U.S. EPA Tier 4 Final/EU Stage V)
    • Cat C1.7 NA Engine (U.S. EPA Tier 4 Final/EU Stage V)
    • Automatic Engine Idle
    • Automatic Engine Idle
    • Automatic Engine Shutdown
    • Automatic Engine Shutdown
    • Automatic Two Speed Travel
    • Automatic Two Speed Travel
    • Fuel Water Separator
    • Fuel Water Separator
    • Power on Demand (not available in all regions)
    • Power on Demand (not available in all regions)
    • Variable Displacement Piston Pump
    • Variable Displacement Piston Pump
    • Load Sensing/Flow Sharing Hydraulics
    • Load Sensing/Flow Sharing Hydraulics
  • Hydraulics
    • Smart Tech Electronic Pump
    • Accumulator
    • Smart Tech Electronic Pump
    • Automatic Swing Brake
    • Accumulator
    • Auxiliary Line Quick Disconnects
    • Automatic Swing Brake
    • One and Two Way Auxiliary Flow
    • Auxiliary Hydraulic Lines
    • Continuous Auxiliary Flow
    • One and Two Way Auxiliary Flow
    • Auxiliary Hydraulic Lines
    • Continuous Auxiliary Flow
    • Auxiliary Line Quick Disconnects
  • Operator Environment
    • Tilt-up Canopy or Tilt-Up Cab
    • Stick Steer Mode
    • Tilt-up Canopy or Tilt-Up Cab
    • Travel Cruise Control
    • Top Guard ISO 10262:1998 Level I
    • Control Pattern Changer (optional in some regions)
    • ROPS – ISO 12117-2:2008
    • Adjustable Wrist Rests
    • TOPS – ISO 12117:1997
    • Washable Floor Mat
    • Travel Pedals and Hand Levers
    • Stick Steer Mode
    • Machine Security
    • Travel Cruise Control
    • Machine Security – Standard Key with Pass Code
    • Control Pattern Changer (optional in some regions)
    • Fabric Suspension Seat (Cab only)
    • Adjustable Wrist Rests
    • Vinyl Suspension Seat (Canopy only)
    • Washable Floor Mat
    • Hydraulic Lockout – All Controls
    • Travel Pedals and Hand Levers
    • Retractable High Visibility Seat Belt (75 mm/3 in)
    • Machine Security
    • Coat Hook
    • Machine Security – Standard Key with Pass Code
    • Cup Holder
    • Fabric Suspension Seat (Cab only)
    • Storage Pocket
    • Vinyl Suspension Seat (Canopy only)
    • Skylight
    • Hydraulic Lockout – All Controls
    • Mounting Bosses for Front
    • Retractable High Visibility Seat Belt (75 mm/3 in)
    • Signaling/Warning Horn
    • Coat Hook
    • Interior Light (Cab only)
    • Cup Holder
    • Boom Light, Halogen (not available in all regions)
    • Storage Pocket
    • Utility Space for Mobile Phone
    • Skylight
    • 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)
    • 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)

      Next Generation Advanced Monitor (Optional)
      – 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
  • Undercarriage
    • Rubber Belt (300 mm/11.8 in wide)
    • Dozer Blade
    • Dozer Blade Float
    • Tie Downs on Track Frame
    • Rubber Belt (300 mm/11.8 in wide)
    • Dozer Blade
    • Dozer Blade Float
    • Angle Blade
    • Tie Downs on Track Frame
  • Boom, Stick And Linkages
    • One Piece Boom (2400 mm/94.5 in)
    • Standard Stick (1260 mm/49.6 in)
    • Front Shovel Capable
    • Front Shovel Capable – Pin-On
    • Thumb Ready (not available in all regions)
    • Certified Lifting Eye (optional in some regions)
    • One Piece Boom (2400 mm/94.5 in)
    • Standard Stick (1260 mm/49.6 in)
    • Front Shovel Capable – Pin-On
    • Thumb Ready (not available in all regions)
    • Certified Lifting Eye (optional in some regions)
  • Guarding
    • ROPS – ISO 12117-2:2008
    • TOPS – ISO 12117:1997
    • Top Guard ISO 10262:1998 (Level I)
  • Electrical
    • 12 Volt Battery
    • Software (machine and monitor)
    • Maintenance Free Battery
    • Lock Out/Tag Out Battery Disconnect
    • Signaling/Warning Horn
    • 12 Volt Power Socket
    • 12 Volt Battery
    • Software (machine and monitor)
    • Maintenance Free Battery
    • Signaling/Warning Horn
    • 12 Volt Power Socket

Optional Equipment

  • Operator Environment
    • Cab with Air Conditioning
    • Cab with Air Conditioning
    • Cab with Heater
    • Cab with Heater
    • Control Pattern Changer (optional in some regions)
    • Control Pattern Changer (optional in some regions)
    • No Travel Pedals and Hand Levers
    • No Travel Pedals and Hand Levers
    • Machine Security – Push to Start with Key Fob/Pass Code
    • Machine Security – Push to Start with Key Fob/Pass Code
    • Vinyl Non-Suspension Seat (Canopy only)
    • Vinyl Non-Suspension Seat (Canopy only)
    • Seat Belt Reminder System
    • LED Front Lights
    • LED Front Lights
    • LED Front and Rear Lights
    • LED Front and Rear Lights
    • LED Boom Light
    • LED Boom Light
    • Mirrors Left and Right
    • Mirrors Left and Right
    • Radio – Bluetooth®, Auxiliary, Microphone, USB (charging only) (Cab only)
    • Radio – Bluetooth®, Auxiliary, Microphone, USB (charging only) (Cab only)
    • Next Generation Advanced Monitor
      – Touch Screen
      – Site Reference System
      – High Definition Camera Capable (IP68 and IP69K)
      – Numeric Security Code
  • Undercarriage
    • Steel Track (300 mm/11.8 in wide)
    • Steel Track (300 mm/11.8 in wide)
    • Angle Blade
  • Boom, Stick And Linkages
    • Long Stick (1560 mm/61.4 in)
    • Long Stick (1560 mm/61.4 in)
    • Front Shovel Capable – Dual Lock Manual Coupler
    • Front Shovel Capable – Dual Lock Manual Coupler
    • Attachments including Couplers, Thumbs, Buckets, Augers and Hammers
    • Front Shovel Capable – Hydraulic Coupler
    • 2nd Auxiliary Hydraulic Lines
    • 2nd Auxiliary Hydraulic Lines
    • Boom Lowering Check Valve
    • Attachments including Couplers, Thumbs, Buckets, Augers and Hammers
    • Stick Lowering Check Valve
    • Boom Lowering Check Valve (Standard in Europe)
    • Hydraulic Quick Coupler Lines (not available in all regions)
    • Stick Lowering Check Valve (Standard in Europe)
    • Hydraulic Quick Coupler Lines (not available in all regions)
    • Front Shovel Capable – Hydraulic Coupler
  • Electrical
    • Battery Disconnect
    • Product Link PL243 (regulations apply)
    • Product Link PL243 (regulations apply)
    • Product Link PLE643 (regulations apply)
    • Product Link PLE643 (regulations apply)
    • Travel Alarm (standard in some regions)
    • Travel Alarm (standard in some regions)
  • Guarding
    • Polycarbonate Half Height Front Guard (Canopy only)
    • Polycarbonate Front Guard (ISO 10262:1998 Level I and EN356 P5A)
    • Guard, Canopy
    • Guard, Mesh
  • Other
    • Bio Oil Capable
    • Eco Drain
    • Water Jacket Heater
    • Bio Oil Capable
    • Light Counterweight (100 kg/221 lb)
    • Eco Drain
    • Extra Counterweight (250 kg/551 lb)
    • Water Jacket Heater