406

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.

  • Specifications

  • Standard/Optional Equipment

  • 360° Tours

  • Catalog

Engine

Net Power

23.6hp

Engine Model

C1.1 Turbo

Bore

3in

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

23.6hp

Emissions

Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.

Stroke

3.2in

Note

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

Displacement

69in³

Gross Power - 2,400 rpm - SAE J1995:2014

24.7hp

Weights

Operating Weight

7817lb

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***

6791lb

Minimum Operating Weight with Canopy*

6670lb

Minimum Operating Weight with Cab*

6924lb

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**

7552lb

EU: CE Plate Weight with Cab***

7012lb

Maximum Operating Weight with Cab**

7817lb

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

116.1in

Boom Height - Shipping Position

75.6in

Tail Swing with Counterweight

35in

Track Belt/Shoe Width

11.8in

Maximum Reach

206.3in

Boom In Reach

74.2in

Boom Swing - Right

34.3in

Tail Swing

33.3in

Maximum Dump Clearance

130.3in

Ground Clearance

12.2in

O/A Undercarriage Length

81.5in

O/A Shipping Height

97.6in

Track Width - Expanded

61in

Maximum Blade Depth

21.1in

Maximum Reach - Ground Level

201.2in

Stick Length

61.4in

Overall Shipping Length*

179.5in

Maximum Dig Height

183.1in

Swing Bearing - Height

22.4in

Note

*Overall Shipping Length depends on blade position during shipment.

Tail Swing without Counterweight

30.5in

Maximum Blade Height

15.2in

Boom Swing - Left

25.2in

Vertical Wall

81.5in

Blade

Height

13.8in

Width

61in

Dimensions - Standard Stick

Maximum Blade Depth

21.1in

Tail Swing without Counterweight

30.5in

Maximum Dig Height

177.6in

O/A Undercarriage Length

81.5in

Boom Height - Shipping Position

63in

Vertical Wall

71.7in

Overall Shipping Length*

177.6in

Boom Swing - Left

25.2in

O/A Shipping Height

97.6in

Track Shoe Width

61in

Boom Swing - Right

34.3in

Tail Swing with Extra Counterweight

35in

Swing Bearing - Height

22.4in

Tail Swing

33.3in

Maximum Blade Height

15.2in

Dig Depth

104.3in

Maximum Dump Clearance

124.8in

Maximum Reach - Ground Level

190.2in

Maximum Reach

196.1in

Ground Clearance

12.2in

Track Belt/Shoe Width

11.8in

Boom In Reach

68.9in

Stick Length

49.6in

Note

*Overall Shipping Length depends on blade position during shipment.

Swing System

Boom Swing - Right

50°

Machine Swing Speed

9r/min

Boom Swing - Left

75°

Sound

Average Exterior Sound Pressure (ISO 6395:2008)

94dB(A)

Operator Sound Pressure (ISO 6396:2008)

78dB(A)

Note

European Union Directive “2000/14/EC”

Hydraulic System

Auxiliary Circuit - Primary - Flow

17gal/min

Auxiliary Circuit - Secondary - Pressure

3553psi

Operating Pressure - Swing

2553psi

Pump Flow at 2,400 rpm

26gal/min

Type

Load Sensing Hydraulics with Variable Displacement Piston Pump

Digging Force - Stick - Standard

3732lbf

Operating Pressure - Travel

3553psi

Digging Force - Bucket

6385lbf

Operating Pressure - Equipment

3553psi

Auxiliary Circuit - Primary - Pressure

3553psi

Auxiliary Circuit - Secondary - Flow

7gal/min

Digging Force - Stick - Long

3327lbf

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

4.7psi

Ground Pressure - Minimum Weight

4psi

Travel Speed - High

2.8mile/h

Maximum Traction Force - Low Speed

7059lbf

Travel Speed - Low

1.6mile/h

Maximum Traction Force - High Speed

3305lbf

Service Refill Capacities

Cooling System

1.1gal (US)

Hydraulic Tank

4.8gal (US)

Engine Oil

1.1gal (US)

Fuel Tank

11.9gal (US)

Hydraulic System

9.2gal (US)

Weight Increase from Minimum Configuration

Counterweight

221lb

Cab

254lb

Steel Tracks

276lb

Long Stick

55lb

Extra Counterweight

551lb

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%

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

GUARDING

Top Guard ISO 10262:1998 Level I

OPERATOR ENVIRONMENT

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)

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

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

GUARDING

Top Guard ISO 10262:1998 Level I

OPERATOR ENVIRONMENT

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)

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

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

GUARDING

Top Guard ISO 10262:1998 Level I

OPERATOR ENVIRONMENT

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)

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

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

GUARDING

Top Guard ISO 10262:1998 Level I

OPERATOR ENVIRONMENT

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)

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

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

GUARDING

Top Guard ISO 10262:1998 Level I

OPERATOR ENVIRONMENT

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)

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

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

GUARDING

Top Guard ISO 10262:1998 Level I

OPERATOR ENVIRONMENT

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)

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

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

GUARDING

Top Guard ISO 10262:1998 Level I

OPERATOR ENVIRONMENT

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)

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

OTHER

Bio Oil Capable

Eco Drain

Water Jacket Heater

OTHER

Bio Oil Capable

Eco Drain

Water Jacket Heater

OTHER

Bio Oil Capable

Eco Drain

Water Jacket Heater

OTHER

Bio Oil Capable

Eco Drain

Water Jacket Heater

OTHER

Bio Oil Capable

Eco Drain

Water Jacket Heater

OTHER

Bio Oil Capable

Eco Drain

Water Jacket Heater

360° Exterior Tour

360° Interior Tour

    Send an Enquiry