303 CR

Net Power
23.6 HP / 17.6 kW
Operating Weight
7817 lb / 3545 kg
Dig Depth
116.1 in / 2950 mm

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

Engine
Net Power 23.6 HP / 17.6 kW
Engine Model C1.1 Turbo
Bore 3 in / 77 mm
Note (2) Net power advertised is the power available at the flywheel when the engine is at rated speed and rated power when the engine is installed with the factory configured fan, air intake system, exhaust system, and alternator with a minimum alternator load.
Gross Power - SAE J1995:2014 24.7 HP / 18.4 kW
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC 23.6 HP / 17.6 kW
Emissions Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Stroke 3.2 in / 81 mm
Note Net power is tested per ISO 9249 and 80/1269/EEC.
Displacement 69 in³ / 1.1 l
Weights
Operating Weight 7817 lb / 3545 kg
Note (1) *Minimum Weight is based on fixed rubber tracks, operator, full fuel tank, standard stick, blade, bucket and no extra counterweight.
EU: CE Plate Weight with Canopy*** 6791 lb / 3080 kg
Minimum Operating Weight with Canopy* 6670 lb / 3025 kg
Minimum Operating Weight with Cab* 6924 lb / 3140 kg
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.
Maximum Operating Weight with Canopy** 7552 lb / 3425 kg
EU: CE Plate Weight with Cab*** 7012 lb / 3180 kg
Maximum Operating Weight with Cab** 7817 lb / 3545 kg
Note (2) **Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, blade, bucket and extra counterweight.
Dimensions - Long Stick
Dig Depth 116.1 in / 2950 mm
Boom Height - Shipping Position 75.6 in / 1920 mm
Tail Swing with Counterweight 35 in / 890 mm
Track Belt/Shoe Width 11.8 in / 300 mm
Maximum Reach 206.3 in / 5240 mm
Boom In Reach 74.2 in / 1910 mm
Boom Swing - Right 34.3 in / 870 mm
Tail Swing 33.3 in / 845 mm
Maximum Dump Clearance 130.3 in / 3310 mm
Ground Clearance 12.2 in / 310 mm
O/A Undercarriage Length 81.5 in / 2070 mm
O/A Shipping Height 97.6 in / 2480 mm
Track Width - Expanded 61 in / 1550 mm
Maximum Blade Depth 21.1 in / 535 mm
Maximum Reach - Ground Level 201.2 in / 5110 mm
Stick Length 61.4 in / 1560 mm
Overall Shipping Length* 179.5 in / 4560 mm
Maximum Dig Height 183.1 in / 4650 mm
Swing Bearing - Height 22.4 in / 570 mm
Note *Overall Shipping Length depends on blade position during shipment.
Tail Swing without Counterweight 30.5 in / 775 mm
Maximum Blade Height 15.2 in / 385 mm
Boom Swing - Left 25.2 in / 640 mm
Vertical Wall 81.5 in / 2070 mm
Blade
Height 13.8 in / 350 mm
Width 61 in / 1550 mm
Dimensions - Standard Stick
Maximum Blade Depth 21.1 in / 535 mm
Tail Swing without Counterweight 30.5 in / 775 mm
Maximum Dig Height 177.6 in / 4510 mm
O/A Undercarriage Length 81.5 in / 2070 mm
Boom Height - Shipping Position 63 in / 1600 mm
Vertical Wall 71.7 in / 1820 mm
Overall Shipping Length* 177.6 in / 4510 mm
Boom Swing - Left 25.2 in / 640 mm
O/A Shipping Height 97.6 in / 2480 mm
Track Shoe Width 61 in / 1550 mm
Boom Swing - Right 34.3 in / 870 mm
Tail Swing with Extra Counterweight 35 in / 890 mm
Swing Bearing - Height 22.4 in / 570 mm
Tail Swing 33.3 in / 845 mm
Maximum Blade Height 15.2 in / 385 mm
Dig Depth 104.3 in / 2650 mm
Maximum Dump Clearance 124.8 in / 3170 mm
Maximum Reach - Ground Level 190.2 in / 4830 mm
Maximum Reach 196.1 in / 4980 mm
Ground Clearance 12.2 in / 310 mm
Track Belt/Shoe Width 11.8 in / 300 mm
Boom In Reach 68.9 in / 1750 mm
Stick Length 49.6 in / 1260 mm
Note *Overall Shipping Length depends on blade position during shipment.
Swing System
Boom Swing - Right 50 °
Machine Swing Speed 9 r/min
Boom Swing - Left 75 °
Sound
Average Exterior Sound Pressure (ISO 6395:2008) 94 dB(A)
Operator Sound Pressure (ISO 6396:2008) 78 dB(A)
Note European Union Directive “2000/14/EC”
Hydraulic System
Auxiliary Circuit - Primary - Flow 17 gal/min / 65 l/min
Auxiliary Circuit - Secondary - Pressure 3553 psi / 245 bar
Operating Pressure - Swing 2553 psi / 176 bar
Pump Flow at 2,400 rpm 26 gal/min / 100 l/min
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Digging Force - Stick - Standard 3732 lbf / 16.6 kN
Operating Pressure - Travel 3553 psi / 245 bar
Digging Force - Bucket 6385 lbf / 28.4 kN
Operating Pressure - Equipment 3553 psi / 245 bar
Auxiliary Circuit - Primary - Pressure 3553 psi / 245 bar
Auxiliary Circuit - Secondary - Flow 7 gal/min / 25 l/min
Digging Force - Stick - Long 3327 lbf / 14.8 kN
Note * Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Travel System
Gradeability - Maximum 30 degrees
Ground Pressure - Maximum Weight 4.7 psi / 32.3 kPa
Ground Pressure - Minimum Weight 4 psi / 27.6 kPa
Travel Speed - High 2.8 mile/h / 4.5 km/h
Maximum Traction Force - Low Speed 7059 lbf / 31.4 kN
Travel Speed - Low 1.6 mile/h / 2.6 km/h
Maximum Traction Force - High Speed 3305 lbf / 14.7 kN
Service Refill Capacities
Cooling System 1.1 gal (US) / 4 l
Hydraulic Tank 4.8 gal (US) / 18 l
Engine Oil 1.1 gal (US) / 4 l
Fuel Tank 11.9 gal (US) / 45 l
Hydraulic System 9.2 gal (US) / 35 l
Weight Increase from Minimum Configuration
Counterweight 221 lb / 100 kg
Cab 254 lb / 115 kg
Steel Tracks 276 lb / 125 kg
Long Stick 55 lb / 25 kg
Extra Counterweight 551 lb / 250 kg
Certification - Cab and Canopy
Roll Over Protective Structure (ROPS) ISO 12117-2:2008
Top Guard ISO 10262:1998 (Level I)
Tip Over Protective Structure (TOPS) ISO 12117:1997
Sustainability
Recyclability 95%

Standard Equipment

  • 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
  • OPERATOR ENVIRONMENT
    • Tilt-up Canopy or Tilt-Up Cab
    • Top Guard ISO 10262:1998 Level I
    • 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

Optional Equipment

  • 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)
  • 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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