303 CR Mini Hydraulic Excavator

303 CR Mini Hydraulic Excavator

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

  • Net Power 23.6 hp

  • Operating Weight 7817 lb

  • Dig Depth 116.1 in

  • Engine Model C1.1 Turbo

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Product Specifications

Specifications

Engine

  • Bore 3in

  • Displacement 69in³

  • 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 24.7hp

  • Net Power 23.6hp

  • Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC 23.6hp

  • Note Advertised power is tested per the specified standard in effect at the time of manufacture.

  • Stroke 3.2in

Weights

  • EU: CE Plate Weight with Cab*** 7012lb

  • EU: CE Plate Weight with Canopy*** 6791lb

  • Maximum Operating Weight with Cab** 7817lb

  • Maximum Operating Weight with Canopy** 7552lb

  • Minimum Operating Weight with Cab* 6924lb

  • Minimum Operating Weight with Canopy* 6670lb

  • 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 7817lb

Dimensions - Long Stick

  • Boom Height - Shipping Position 75.6in

  • Boom In Reach 74.2in

  • Boom Swing - Left 25.2in

  • Boom Swing - Right 34.3in

  • Dig Depth 116.1in

  • Ground Clearance 12.2in

  • Maximum Blade Depth 21.1in

  • Maximum Blade Height 15.2in

  • Maximum Dig Height 183.1in

  • Maximum Dump Clearance 130.3in

  • Maximum Reach 206.3in

  • Maximum Reach - Ground Level 201.2in

  • Note *Overall Shipping Length depends on blade position during shipment.

  • O/A Shipping Height 97.6in

  • O/A Undercarriage Length 81.5in

  • Overall Shipping Length* 179.5in

  • Stick Length 61.4in

  • Swing Bearing - Height 22.4in

  • Tail Swing 33.3in

  • Tail Swing with Counterweight 35in

  • Tail Swing without Counterweight 30.5in

  • Track Belt/Shoe Width 11.8in

  • Track Width - Expanded 61in

  • Vertical Wall 81.5in

Blade

  • Height 13.8in

  • Width 61in

Service Refill Capacities

  • Cooling System 1.1gal (US)

  • Engine Oil 1.1gal (US)

  • Fuel Tank 11.9gal (US)

  • Hydraulic System 9.2gal (US)

  • Hydraulic Tank 4.8gal (US)

Dimensions - Standard Stick

  • Boom Height - Shipping Position 63in

  • Boom In Reach 68.9in

  • Boom Swing - Left 25.2in

  • Boom Swing - Right 34.3in

  • Dig Depth 104.3in

  • Ground Clearance 12.2in

  • Maximum Blade Depth 21.1in

  • Maximum Blade Height 15.2in

  • Maximum Dig Height 177.6in

  • Maximum Dump Clearance 124.8in

  • Maximum Reach 196.1in

  • Maximum Reach - Ground Level 190.2in

  • Note *Overall Shipping Length depends on blade position during shipment.

  • O/A Shipping Height 97.6in

  • O/A Undercarriage Length 81.5in

  • Overall Shipping Length* 177.6in

  • Stick Length 49.6in

  • Swing Bearing - Height 22.4in

  • Tail Swing 33.3in

  • Tail Swing with Extra Counterweight 35in

  • Tail Swing without Counterweight 30.5in

  • Track Belt/Shoe Width 11.8in

  • Track Shoe Width 61in

  • Vertical Wall 71.7in

Swing System

  • Boom Swing - Left 75°

  • Boom Swing - Right 50°

  • Machine Swing Speed 9r/min

Sound

  • Average Exterior Sound Pressure (ISO 6395:2008) 94dB(A)

  • Note European Union Directive “2000/14/EC”

  • Operator Sound Pressure (ISO 6396:2008) 78dB(A)

Hydraulic System

  • Auxiliary Circuit - Primary - Flow 17gal/min

  • Auxiliary Circuit - Primary - Pressure 3553psi

  • Auxiliary Circuit - Secondary - Flow 7gal/min

  • Auxiliary Circuit - Secondary - Pressure 3553psi

  • Digging Force - Bucket 6385lbf

  • Digging Force - Stick - Long 3327lbf

  • Digging Force - Stick - Standard 3732lbf

  • Note * Flow and pressure are not combinable. Under load, as flow rises pressure goes down.

  • Operating Pressure - Equipment 3553psi

  • Operating Pressure - Swing 2553psi

  • Operating Pressure - Travel 3553psi

  • Pump Flow at 2,400 rpm 26gal/min

  • Type Load Sensing Hydraulics with Variable Displacement Piston Pump

Travel System

  • Gradeability - Maximum 30 degrees

  • Ground Pressure - Maximum Weight 4.7psi

  • Ground Pressure - Minimum Weight 4psi

  • Maximum Traction Force - High Speed 3305lbf

  • Maximum Traction Force - Low Speed 7059lbf

  • Travel Speed - High 2.8mile/h

  • Travel Speed - Low 1.6mile/h

Sustainability

  • Recyclability 95%

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)

Weight Increase from Minimum Configuration

  • Cab 254lb

  • Counterweight 221lb

  • Extra Counterweight 551lb

  • Long Stick 55lb

  • Steel Tracks 276lb

Features

Equipment

Standard Equipment

  • 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

  • Smart Tech Electronic Pump

  • Accumulator

  • Automatic Swing Brake

  • Auxiliary Hydraulic Lines

  • One and Two Way Auxiliary Flow

  • Continuous Auxiliary Flow

  • Auxiliary Line Quick Disconnects

  • Top Guard ISO 10262:1998 Level I

  • 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)

  • Rubber Belt (300 mm/11.8 in wide)

  • Dozer Blade

  • Dozer Blade Float

  • Tie Downs on Track Frame

  • 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)

  • 12 Volt Battery

  • Software (machine and monitor)

  • Maintenance Free Battery

  • Signaling/Warning Horn

  • 12 Volt Power Socket

Optional Equipment

  • 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

  • Steel Track (300 mm/11.8 in wide)

  • 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)

  • Battery Disconnect

  • Product Link PL243 (regulations apply)

  • Product Link PLE643 (regulations apply)

  • Travel Alarm (standard in some regions)

  • Polycarbonate Front Guard (ISO 10262:1998 Level I and EN356 P5A)

  • Polycarbonate Half Height Front Guard (Canopy only)

  • Bio Oil Capable

  • Eco Drain

  • Water Jacket Heater