This model is no longer in production and is unavailable for purchase. It has been replaced by an upgraded version, which you can view here.
View new modelThe Cat® 303E CR Mini Hydraulic Excavator delivers high performance, durability and versatility in a compact design to help you work in a variety of applications.
|
|
|
|
|
|
|
|
Engine
- Net Power
- 23.5hp
- Engine Model
- Cat C1.3
- Gross Power
- 24.8hp
- Gross Power - ISO 14396
- 24.8hp
- Note
- Cat C1.3 engine meets U.S. EPA Tier 4 Final/EU Stage V emission standards.
- Stroke
- 3.5in
- Bore
- 3.1in
- Displacement
- 77in³
- Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269
- 23.5hp
Weights
- Operating Weight - With Cab
- 7204lb
- Operating Weight - With Canopy
- 6721lb
- Note
- Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Dimensions (Approximate) - Long Stick
- Dig Depth
- 117in
- Maximum Reach
- 198in
- Track Belt/Shoe Width
- 12in
- Overall Undercarriage Length
- 82in
- Overall Shipping Height
- 98in
- Maximum Reach - Ground Level
- 193in
- Tail Swing
- 31in
- Vertical Wall
- 69in
- Boom In Reach
- 79in
- Maximum Dig Height
- 167in
- Boom Swing Right
- 32in
- Maximum Blade Depth
- 19in
- Tail Swing with Extra Counterweight
- 35in
- Maximum Blade Height
- 16in
- Overall Track Width
- 61in
- Swing Bearing Height
- 22in
- Boom Height in Shipping Position
- 63in
- Boom Swing Left
- 24in
- Maximum Dump Clearance
- 117in
- Overall Shipping Length
- 198in
Swing System
- Machine Swing Speed
- 9r/min
- Boom Swing - Left*
- 80°
- Boom Swing - Right
- 50°
- Note
- *Automatic swing brake, spring applied, hydraulic release.
Blade
- Width
- 60in
- Height
- 13in
- Dig Depth
- 19in
- Lift Height
- 16in
Travel System
- Maximum Traction Force - Low Speed
- 6947lbf
- Travel Speed - High
- 2.8mile/h
- Travel Speed - Low
- 1.5mile/h
- Maximum Traction Force - High Speed
- 3417lbf
- Ground Pressure - Cab Standard Stick
- 4.7psi
- Ground Pressure - Cab Long Stick
- 4.8psi
- Ground Pressure with Canopy - Long Stick, Optional Counterweight
- 4.9psi
- Ground Pressure - Canopy Standard Stick
- 4.4psi
- Gradeability - Continuous Operation
- 20°
- Ground Pressure - Canopy Long Stick
- 4.5psi
- Ground Pressure with Canopy - Standard Stick, Optional Counterweight
- 4.8psi
- Ground Pressure with Cab - Standard Stick, Optional Counterweight
- 5.1psi
- Gradeability (< 10 minutes Operation)
- 30°
- Ground Pressure with Cab - Long Stick, Optional Counterweight
- 5.2psi
Hydraulic System
- Operating Pressure - Swing
- 2625psi
- Digging Force - Bucket
- 6385lbf
- Pump Flow at 2,400 rpm
- 23.1gal/min
- Operating Pressure - Travel
- 3553psi
- Digging Force - Stick - Standard
- 3732lbf
- Operating Pressure - Equipment
- 3553psi
- Type
- Load Sensing Hydraulics with Variable Displacement Piston Pump
- Auxiliary Circuit - Secondary (174 bar/2,523 psi)
- 7.1gal/min
- Digging Force - Stick - Long
- 3327lbf
- Auxiliary Circuit - Primary (186 bar/2,697 psi)
- 15.9gal/min
Service Refill Capacities
- Engine Oil
- 1.5gal (US)
- Fuel Tank
- 11.9gal (US)
- Hydraulic Tank
- 12.4gal (US)
- Cooling System
- 1.2gal (US)
- Hydraulic System
- 17.2gal (US)
Undercarriage
- Number of Carrier Rollers
- 1
- Track Roller Type
- Center Flange
- Number of Track Rollers
- 4
Certification - Cab and Canopy
- Top Guard
- ISO 10262:1998 (Level I)
- Roll Over Protective Structure (ROPS)
- ISO 12117-2:2008
- Tip Over Protective Structure (TOPS)
- ISO 12117:1997
Lift Capacities at Ground Level* - Lift Point Radius: 3000 mm (9'8")
- Blade Down - Side
- 1191lb
- Blade Down - Front
- 2580lb
- Blade Up - Side
- 1080lb
- Blade Up - Front
- 1433lb
- Note
- *The above loads are in compliance with hydraulic excavator lift capacity rating standard ISO 10567:2007 and they do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. The excavator bucket weight is not included on this chart. Liftin
Operating Specifications
- Machine Overhang with Counterweight
- 5in
- Machine Overhang
- 0in
- Stick Length - Long
- 61in
- Stick Length - Standard
- 50in
Lift Capacities at Ground Level* - Lift Point Radius: 4000 mm (13'1")
- Blade Up - Side
- 662lb
- Blade Down - Front
- 1632lb
- Note
- *The above loads are in compliance with hydraulic excavator lift capacity rating standard ISO 10567:2007 and they do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. The excavator bucket weight is not included on this chart. Liftin
- Blade Down - Side
- 750lb
- Blade Up - Front
- 904lb
Dimensions (Approximate) - Standard Stick
- Tail Swing
- 31in
- Maximum Dump Clearance
- 124in
- Track Belt/Shoe Width
- 12in
- Overall Track Width
- 60in
- Maximum Dig Height
- 178in
- Dig Depth
- 108in
- Overall Undercarriage Length
- 82in
- Boom Swing Left
- 24in
- Boom Swing Right
- 32in
- Tail Swing with Extra Counterweight
- 35in
- Maximum Blade Height
- 16in
- Maximum Blade Depth
- 19in
- Boom Height in Shipping Position
- 63in
- Swing Bearing Height
- 22in
- Maximum Reach
- 195in
- Overall Shipping Height
- 98in
- Vertical Wall
- 77in
- Overall Shipping Length
- 176in
- Maximum Reach - Ground Level
- 189in
- Boom In Reach
- 83in
Weights*
- Operating Weight with Canopy - Long Stick, Optional Counterweight
- 7400lb
- Operating Weight with Canopy - Long Stick
- 6813lb
- Operating Weight with Cab - Standard Stick
- 7204lb
- Operating Weight with Canopy - Standard Stick
- 6721lb
- Operating Weight with Cab - Standard Stick, Optional Counterweight
- 7790lb
- Operating Weight with Cab - Long Stick
- 7296lb
- Note
- *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
- Operating Weight with Canopy - Standard Stick, Optional Counterweight
- 7307lb
- Operating Weight with Cab - Long Stick, Optional Counterweight
- 7883lb
Standard Equipment:
-
- Standard Equipment
-
- 1-way and 2-way (combined function) auxiliary hydraulic lines
- Lockable storage box
- Cab mounted work light
- Travel alarm (optional in Europe)
- Dozer blade with float function
- Suspension seat, vinyl covered
- Automatic two speed travel
- Horn
- Lifting eye on bucket linkage (standard equipment for all regions except Europe)
- Alternator
- Product Link™
- Cup holder
- Control pattern changer
- Coat hook
- Standard stick
- Low maintenance linkage pin joints
- Gauges or indicators for fuel level engine coolant temperature, hour meter, engine oil pressure, air cleaner, alternator and glow plugs, service interval
- Rubber track
- Canopy with Top Guard ISO 10262:1998 (Level 1), ROPS ISO 12117-2:2008 and TOPS ISO 12117:1997
- Hydraulic oil cooler
- Auxiliary line quick disconnects
- Retractable seatbelt
- Boom cylinder guard
- Maintenance free battery
- Adjustable armrests
- “Thumb ready” sticks
- Automatic swing park brake
- Foot travel pedals
Optional Equipment:
-
- Optional Equipment
-
- Mirrors for cab and canopy
- Steel track
- Cab, Top Guard ISO 10262:1998 (Level 1), ROPS ISO 12117-2:2008 and TOPS ISO 12117:1997
- Mechanical quick coupler
- Boom mounted light
- High back suspension seat, fabric covered
- Beacon socket for canopy machines
Specifications
Engine
- Net Power
- 23.5hp
- Engine Model
- Cat C1.3
- Gross Power
- 24.8hp
- Gross Power - ISO 14396
- 24.8hp
- Note
- Cat C1.3 engine meets U.S. EPA Tier 4 Final/EU Stage V emission standards.
- Stroke
- 3.5in
- Bore
- 3.1in
- Displacement
- 77in³
- Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269
- 23.5hp
Weights
- Operating Weight - With Cab
- 7204lb
- Operating Weight - With Canopy
- 6721lb
- Note
- Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Dimensions (Approximate) - Long Stick
- Dig Depth
- 117in
- Maximum Reach
- 198in
- Track Belt/Shoe Width
- 12in
- Overall Undercarriage Length
- 82in
- Overall Shipping Height
- 98in
- Maximum Reach - Ground Level
- 193in
- Tail Swing
- 31in
- Vertical Wall
- 69in
- Boom In Reach
- 79in
- Maximum Dig Height
- 167in
- Boom Swing Right
- 32in
- Maximum Blade Depth
- 19in
- Tail Swing with Extra Counterweight
- 35in
- Maximum Blade Height
- 16in
- Overall Track Width
- 61in
- Swing Bearing Height
- 22in
- Boom Height in Shipping Position
- 63in
- Boom Swing Left
- 24in
- Maximum Dump Clearance
- 117in
- Overall Shipping Length
- 198in
Swing System
- Machine Swing Speed
- 9r/min
- Boom Swing - Left*
- 80°
- Boom Swing - Right
- 50°
- Note
- *Automatic swing brake, spring applied, hydraulic release.
Blade
- Width
- 60in
- Height
- 13in
- Dig Depth
- 19in
- Lift Height
- 16in
Travel System
- Maximum Traction Force - Low Speed
- 6947lbf
- Travel Speed - High
- 2.8mile/h
- Travel Speed - Low
- 1.5mile/h
- Maximum Traction Force - High Speed
- 3417lbf
- Ground Pressure - Cab Standard Stick
- 4.7psi
- Ground Pressure - Cab Long Stick
- 4.8psi
- Ground Pressure with Canopy - Long Stick, Optional Counterweight
- 4.9psi
- Ground Pressure - Canopy Standard Stick
- 4.4psi
- Gradeability - Continuous Operation
- 20°
- Ground Pressure - Canopy Long Stick
- 4.5psi
- Ground Pressure with Canopy - Standard Stick, Optional Counterweight
- 4.8psi
- Ground Pressure with Cab - Standard Stick, Optional Counterweight
- 5.1psi
- Gradeability (< 10 minutes Operation)
- 30°
- Ground Pressure with Cab - Long Stick, Optional Counterweight
- 5.2psi
Hydraulic System
- Operating Pressure - Swing
- 2625psi
- Digging Force - Bucket
- 6385lbf
- Pump Flow at 2,400 rpm
- 23.1gal/min
- Operating Pressure - Travel
- 3553psi
- Digging Force - Stick - Standard
- 3732lbf
- Operating Pressure - Equipment
- 3553psi
- Type
- Load Sensing Hydraulics with Variable Displacement Piston Pump
- Auxiliary Circuit - Secondary (174 bar/2,523 psi)
- 7.1gal/min
- Digging Force - Stick - Long
- 3327lbf
- Auxiliary Circuit - Primary (186 bar/2,697 psi)
- 15.9gal/min
Service Refill Capacities
- Engine Oil
- 1.5gal (US)
- Fuel Tank
- 11.9gal (US)
- Hydraulic Tank
- 12.4gal (US)
- Cooling System
- 1.2gal (US)
- Hydraulic System
- 17.2gal (US)
Undercarriage
- Number of Carrier Rollers
- 1
- Track Roller Type
- Center Flange
- Number of Track Rollers
- 4
Certification - Cab and Canopy
- Top Guard
- ISO 10262:1998 (Level I)
- Roll Over Protective Structure (ROPS)
- ISO 12117-2:2008
- Tip Over Protective Structure (TOPS)
- ISO 12117:1997
Lift Capacities at Ground Level* - Lift Point Radius: 3000 mm (9'8")
- Blade Down - Side
- 1191lb
- Blade Down - Front
- 2580lb
- Blade Up - Side
- 1080lb
- Blade Up - Front
- 1433lb
- Note
- *The above loads are in compliance with hydraulic excavator lift capacity rating standard ISO 10567:2007 and they do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. The excavator bucket weight is not included on this chart. Liftin
Operating Specifications
- Machine Overhang with Counterweight
- 5in
- Machine Overhang
- 0in
- Stick Length - Long
- 61in
- Stick Length - Standard
- 50in
Lift Capacities at Ground Level* - Lift Point Radius: 4000 mm (13'1")
- Blade Up - Side
- 662lb
- Blade Down - Front
- 1632lb
- Note
- *The above loads are in compliance with hydraulic excavator lift capacity rating standard ISO 10567:2007 and they do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. The excavator bucket weight is not included on this chart. Liftin
- Blade Down - Side
- 750lb
- Blade Up - Front
- 904lb
Dimensions (Approximate) - Standard Stick
- Tail Swing
- 31in
- Maximum Dump Clearance
- 124in
- Track Belt/Shoe Width
- 12in
- Overall Track Width
- 60in
- Maximum Dig Height
- 178in
- Dig Depth
- 108in
- Overall Undercarriage Length
- 82in
- Boom Swing Left
- 24in
- Boom Swing Right
- 32in
- Tail Swing with Extra Counterweight
- 35in
- Maximum Blade Height
- 16in
- Maximum Blade Depth
- 19in
- Boom Height in Shipping Position
- 63in
- Swing Bearing Height
- 22in
- Maximum Reach
- 195in
- Overall Shipping Height
- 98in
- Vertical Wall
- 77in
- Overall Shipping Length
- 176in
- Maximum Reach - Ground Level
- 189in
- Boom In Reach
- 83in
Weights*
- Operating Weight with Canopy - Long Stick, Optional Counterweight
- 7400lb
- Operating Weight with Canopy - Long Stick
- 6813lb
- Operating Weight with Cab - Standard Stick
- 7204lb
- Operating Weight with Canopy - Standard Stick
- 6721lb
- Operating Weight with Cab - Standard Stick, Optional Counterweight
- 7790lb
- Operating Weight with Cab - Long Stick
- 7296lb
- Note
- *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
- Operating Weight with Canopy - Standard Stick, Optional Counterweight
- 7307lb
- Operating Weight with Cab - Long Stick, Optional Counterweight
- 7883lb
Standard/Optional Features
Standard Equipment:
-
- Standard Equipment
-
- 1-way and 2-way (combined function) auxiliary hydraulic lines
- Lockable storage box
- Cab mounted work light
- Travel alarm (optional in Europe)
- Dozer blade with float function
- Suspension seat, vinyl covered
- Automatic two speed travel
- Horn
- Lifting eye on bucket linkage (standard equipment for all regions except Europe)
- Alternator
- Product Link™
- Cup holder
- Control pattern changer
- Coat hook
- Standard stick
- Low maintenance linkage pin joints
- Gauges or indicators for fuel level engine coolant temperature, hour meter, engine oil pressure, air cleaner, alternator and glow plugs, service interval
- Rubber track
- Canopy with Top Guard ISO 10262:1998 (Level 1), ROPS ISO 12117-2:2008 and TOPS ISO 12117:1997
- Hydraulic oil cooler
- Auxiliary line quick disconnects
- Retractable seatbelt
- Boom cylinder guard
- Maintenance free battery
- Adjustable armrests
- “Thumb ready” sticks
- Automatic swing park brake
- Foot travel pedals
Optional Equipment:
-
- Optional Equipment
-
- Mirrors for cab and canopy
- Steel track
- Cab, Top Guard ISO 10262:1998 (Level 1), ROPS ISO 12117-2:2008 and TOPS ISO 12117:1997
- Mechanical quick coupler
- Boom mounted light
- High back suspension seat, fabric covered
- Beacon socket for canopy machines