303.5 CR Mini Excavator

Mini Excavators 303.5 CR

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Key Specs

Net Power
23.6 hp
17.6 kW
Operating Weight
9239 lb
4190 kg
Dig Depth
122.4 in
3110 mm

Overview

The Performance Upgraded Cat® 303.5 CR Mini Excavator

The upgraded 303.5 CR delivers power and performance in a wide range of applications. Faster transient speeds, coupled with exclusive features like stick steer joystick travel get you moving quickly and comfortably so you can focus on the task at hand.

Benefits

Upgraded Performance

25% higher transient speeds result in 35% more productivity*
*Up to 25% and 35%, are against the previous model and based upon application, conditions andd temperatures.
 

Cat® Exclusive Features

Stick steer joystick travel, cruise control, Sealed and pressurized cab with AC, Tilt-cab service access

Low Owning and Operating Costs

Easy service and repair access and extended service intervals and VisionLink™ Telematics

Product Specifications for 303.5 CR

Net Power 23.6 hp 17.6 kW
Engine Model C1.7 C1.7
Net Power @ 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 23.6 hp 17.6 kW
Net Power - ISO 9249 24.7 hp 18.4 kW
Bore 3.3 in 84 mm
Stroke 3.9 in 100 mm
Displacement 104 in³ 1.7 l
Emissions Meets U.S. EPA Tier 4 Final and EU Stage V emission standards. 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. 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. 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.
Operating Weight 9239 lb 4190 kg
Minimum Operating Weight with Canopy* 7673 lb 3480 kg
Maximum Operating Weight with Canopy** 8930 lb 4050 kg
Minimum Operating Weight with Cab* 7982 lb 3620 kg
Maximum Operating Weight with Cab** 9239 lb 4190 kg
EU: CE Plate Weight with Canopy*** 7784 lb 3530 kg
EU: CE Plate Weight with Cab*** 8004 lb 3630 kg
Note (1) *Minimum Weight is based on fixed rubber tracks, operator, full fuel tank, standard stick, blade, no bucket and extra counterweight. *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. **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. ***CE Plate Weight is based on the most common EU configuration. Includes 75 kg (165 lb) operator and full fuel tank and excludes bucket.
Dig Depth 122.4 in 3110 mm
Vertical Wall 94.1 in 2390 mm
Maximum Reach - Ground Level 211.8 in 5380 mm
Maximum Reach 216.9 in 5510 mm
Maximum Dig Height 197.6 in 5020 mm
Maximum Dump Clearance 141.7 in 3600 mm
Boom In Reach 73.2 in 1860 mm
Tail Swing without Counterweight 35 in 890 mm
Tail Swing - with Extra Counterweight 39.6 in 1005 mm
Maximum Blade Depth 21.1 in 535 mm
Maximum Blade Height 15.2 in 385 mm
Boom Height - Shipping Position 68.9 in 1750 mm
O/A Shipping Height 97.6 in 2480 mm
Swing Bearing - Height 22.2 in 565 mm
O/A Undercarriage Length 87.4 in 2220 mm
Overall Shipping Length* 190.9 in 4850 mm
Boom Swing - Right 34.3 ° 870 mm
Boom Swing - Left 640 mm 25.2 °
Track Belt/Shoe Width 11.8 in 300 mm
Track Width 70.1 in 1780 mm
Minimum Ground Clearance Below Undercarriage 12.2 in 310 mm
Stick Length 61.4 in 1560 mm
Note *Overall Shipping Length depends on blade position during shipment. *Overall Shipping Length depends on blade position during shipment.
Cab 309 lb 140 kg
Counterweight 221 lb 100 kg
Extra Counterweight 551 lb 250 kg
Long Stick 44 lb 20 kg
Steel Tracks 287 lb 130 kg
Angle Blade 353 lb 160 kg
Travel Speed - High 2.8 mile/h 4.5 km/h
Travel Speed - Low 1.6 mile/h 2.6 km/h
Maximum Traction Force - High Speed 3799 lbf 16.9 kN
Maximum Traction Force - Low Speed 6969 lbf 31 kN
Ground Pressure - Minimum Weight 4.3 psi 29.6 kPa
Ground Pressure - Maximum Weight 5.2 psi 35.7 kPa
Gradeability - Maximum 30 degrees 30 degrees
Cooling System 1.8 gal (US) 7 l
Engine Oil 1.6 gal (US) 6 l
Fuel Tank 11.9 gal (US) 45 l
Hydraulic Tank 5.3 gal (US) 20 l
Hydraulic System 11.9 gal (US) 45 l
Type Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump
Pump Flow at 2,400 rpm 26 gpm 100 L/min
Operating Pressure - Equipment 3553 psi 245 bar
Operating Pressure - Travel 3553 psi 245 bar
Operating Pressure - Swing 2625 psi 181 bar
Auxiliary Circuit - Primary - Flow 18 gpm 70 L/min
Auxiliary Circuit - Primary - Pressure 3553 psi 245 bar
Auxiliary Circuit - Secondary - Flow 7 gpm 25 L/min
Auxiliary Circuit - Secondary - Pressure 3553 psi 245 bar
Digging Force - Stick - Standard 4249 lbf 18.9 kN
Digging Force - Stick - Long 3799 lbf 16.9 kN
Digging Force - Bucket 7419 lbf 33 kN
Note *Flow and pressure are not combinable. Under load, as flow rises pressure goes down. *Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Machine Swing Speed 9 r/min 9 r/min
Boom Swing - Left 75 ° 75 °
Boom Swing - Right 50 ° 50 °
Width 70.1 in 1780 mm
Height 13.8 in 350 mm
Roll Over Protective Structure (ROPS) ISO 12117-2:2008 ISO 12117-2:2008
Tip Over Protective Structure (TOPS) ISO 12117:1997 ISO 12117:1997
Top Guard ISO 10262:1998 (Level I) ISO 10262:1998 (Level I)
Dig Depth 110.6 in 2810 mm
Vertical Wall 88.6 in 2250 mm
Maximum Reach - Ground Level 202 in 5130 mm
Maximum Reach 207.5 in 5270 mm
Maximum Dig Height 193.7 in 4920 mm
Maximum Dump Clearance 137.4 in 3490 mm
Boom In Reach 69.3 in 1760 mm
Tail Swing without Counterweight 35 in 890 mm
Tail Swing with Extra Counterweight 39.6 in 1005 mm
Maximum Blade Depth 21.1 in 535 mm
Maximum Blade Height 15.2 in 385 mm
Boom Height - Shipping Position 59.8 in 1520 mm
O/A Shipping Height 97.6 in 2480 mm
Swing Bearing - Height 22.2 in 565 mm
O/A Undercarriage Length 87.4 in 2220 mm
Overall Shipping Length* 189 in 4800 mm
Boom Swing - Right 34.3 ° 870 mm
Boom Swing - Left 25.2 ° 640 mm
Track Belt/Shoe Width 11.8 in 300 mm
Minimum Ground Clearance Below Undercarriage 12.2 in 310 mm
Stick Length 49.6 in 1260 mm
Note *Overall Shipping Length depends on blade position during shipment. *Overall Shipping Length depends on blade position during shipment.
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 (1.65 lb), 0.90 kg (1.98 lb) or 1 kg (2.20 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons) for R134a and 0.001 tonnes (0.001 tons) for R1234yf (Europe). 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 (1.65 lb), 0.90 kg (1.98 lb) or 1 kg (2.20 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons) for R134a and 0.001 tonnes (0.001 tons) for R1234yf (Europe).
Operator Sound Pressure (ISO 6396:2008) 78 dB(A) 78 dB(A)
Average Exterior Sound Pressure (ISO 6395:2008) 94 dB(A) 94 dB(A)
Note European Union Directive ‚ "2000/14/EC" European Union Directive ‚ "2000/14/EC"
Recyclability 95% 95%

303.5 CR 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

303.5 CR 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

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303.5 CR Mini Hydraulic Excavator

303.5 CR Mini Hydraulic Excavator

303.5 CR Mini Hydraulic Excavator

303.5 CR Mini Hydraulic Excavator

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303.5 CR Mini Hydraulic Excavator

303.5 CR Mini Hydraulic Excavator
303.5 CR Mini Hydraulic Excavator
303.5 CR Mini Hydraulic Excavator
303.5 CR Mini Hydraulic Excavator
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303.5 CR Mini Hydraulic Excavator

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Introducing the Next Generation Cat 302.7 CR, 303 CR and 303.5 CR Mini Excavators
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