Cat Excavators:
305.5E2 CR Mini Hydraulic Excavator
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- Engine Model
- Cat® C2.4
- Net Power
- 44.1 hp
- Weight – Canopy, Standard Stick
- 11503 lb
- Rated Net Power @ 2,200 rpm – ISO 9249/EEC 80/1269
- 44.1 hp
The Cat® 305.5E2 CR Mini Hydraulic Excavator delivers high performance, durability and versatility in a compact design to help you work in a variety of applications.
Product Specs
-
Engine
- Engine Model
- Cat® C2.4
- Net Power
- 44.1hp
- Rated Net Power @ 2,200 rpm – ISO 9249/EEC 80/1269
- 44.1hp
- Bore
- 3.4in
- Stroke
- 4in
- Displacement
- 146in3
- Engine Model
- Cat® C2.4
- Net Power
- 44.1HP
- Net Power - 2,200 rpm - ISO 9249/EEC 80/1269
- 44.1HP
- Bore
- 3.4in
- Displacement
- 146in³
- Stroke
- 4in
- Gross Power – ISO 14396
- 45.7hp
- Emissions
- Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
- Emissions
- Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
- Gross Power - ISO 14396
- 45.7HP
-
Weights*
- Weight – Canopy, Standard Stick
- 11503lb
- Weight - Canopy, Standard Stick
- 11503lb
- Operating Weight
- 11958lb
- Weight – Canopy, Long Stick
- 11596lb
- Weight – Cab, Standard Stick
- 11863lb
- Weight – Cab, Long Stick
- 11958lb
- Note
- *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
- Note
- *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
- Weight - Cab, Long Stick
- 11958lb
- Weight - Cab, Standard Stick
- 11863lb
- Weight - Canopy, Long Stick
- 11596lb
- Note
- 11596lb
-
Hydraulic System
- Pump Flow at 2,400 rpm
- 39.6gal/min
- Auxiliary Circuit – Primary (186 bar/2,734 psi)
- 21.1gal/min
- Auxiliary Circuit – Secondary (174 bar/2,524 psi)
- 6.6gal/min
- Maximum Auxiliary Circuit - Primary - Flow
- 21.1gal/min
- Auxiliary Circuit - Primary (186 bar/2,734 psi)
- 21.1gal/min
- Auxiliary Circuit - Secondary (174 bar/2,524 psi)
- 6.6gal/min
- Pump Flow at 2,400 rpm
- 39.6gal/min
- Operating Pressure - Equipment
- 3553psi
- Operating Pressure - Travel
- 3553psi
- Operating Pressure - Swing
- 3132psi
- Digging Force - Stick - Standard
- 6500lb
- Digging Force - Stick - Long
- 5575lb
- Digging Force - Bucket
- 11445lb
- Type
- Load Sensing Hydraulics with Variable Displacement Piston Pump
- Digging Force – Bucket
- 11445lb
- Type
- Load Sensing Hydraulics with Variable Displacement Piston Pump
-
Swing System
- Machine Swing Speed
- 10rpm
- Boom Swing – Left* (without stop)
- 80°
- Boom Swing – Left* (with stop)
- 60°
- Boom Swing – Right
- 50°
- Machine Swing Speed
- 10r/min
- Boom Swing - Left - With Stop*
- 60°
- Boom Swing - Left - Without Stop*
- 80°
- Boom Swing - Right
- 50°
- Note
- *Automatic swing brake, spring applied, hydraulic release.
- Note
- *Automatic swing brake, spring applied, hydraulic release.
-
Blade
- Width
- 78.0in
- Width
- 78in
- Height
- 14.8in
- Dig Depth
- 21.9in
- Lift Height
- 15.9in
-
Service Refill Capacities
- Cooling System
- 2.8gal
- Engine Oil
- 2.5gal
- Hydraulic Tank
- 18gal
- Fuel Tank
- 16.6gal
- Hydraulic System
- 20.6gal
- Cooling System
- 2.8gal (US)
- Engine Oil
- 2.5gal (US)
- Fuel Tank
- 16.6gal (US)
- Hydraulic System
- 20.6gal (US)
- Hydraulic Tank
- 18gal (US)
-
Travel System
- Travel Speed – High
- 2.8mph
- Travel Speed – Low
- 1.7mph
- Travel Speed - High
- 2.8mile/h
- Travel Speed - Low
- 1.7mile/h
- Maximum Traction Force - High Speed
- 6025lb
- Maximum Traction Force - Low Speed
- 10746lb
- Ground Pressure – Canopy
- 4.5psi
- Ground Pressure – Cab
- 4.6psi
- Gradeability (maximum)
- 30°
- Gradeability - Maximum
- 30°
- Ground Pressure - Cab
- 4.6psi
- Ground Pressure - Canopy
- 4.5psi
-
Cab
- Dynamic Operator Sound Pressure Level (ISO 6396:2008)
- 81dB(A)
- Exterior Sound Power Level - ISO 6395:2008*
- 97dB(A)
- Note
- *European Union Directive “2000/14/EC”
- Dynamic Operator Sound Pressure Level (ISO 6396:2008)
- 81dB(A)
- Exterior Sound Power Level (ISO 6395:2008)*
- 97dB(A)
- Note
- *European Union Directive “2000/14/EC”
-
Certification - Cab and Canopy
- Roll Over Protective Structure (ROPS)
- ISO 12117-2
- Tip Over Protective Structure (TOPS)
- ISO 12117
- Top Guard
- ISO 10262 (Level I)
-
Dimensions - Long Stick
- Boom Height - Shipping Position
- 85in
- Boom In Reach
- 100in
- Boom Swing - Left
- 27in
- Boom Swing - Right
- 31in
- Dig Depth
- 152in
- Maximum Blade Depth
- 22in
- Maximum Blade Height
- 16in
- Maximum Dig Height
- 220in
- Maximum Dump Clearance
- 161in
- Maximum Reach
- 243in
- Maximum Reach - Ground Level
- 237in
- O/A Shipping Height
- 100in
- O/A Shipping Length
- 215in
- O/A Track Width
- 78in
- O/A Undercarriage Length
- 102in
- Swing Bearing - Height
- 24in
- Tail Swing
- 44in
- Track Belt/Shoe Width
- 16in
- Vertical Wall
- 107in
-
Dimensions - Standard Stick
- Boom Height - Shipping Position
- 69in
- Boom In Reach
- 94in
- Boom Swing - Left
- 27in
- Boom Swing - Right
- 31in
- Dig Depth
- 137in
- Maximum Blade Depth
- 22in
- Maximum Blade Height
- 16in
- Maximum Dig Height
- 210in
- Maximum Dump Clearance
- 150in
- Maximum Reach
- 228in
- Maximum Reach - Ground Level
- 222in
- O/A Shipping Height
- 100in
- O/A Shipping Length
- 210in
- O/A Track Width
- 78in
- O/A Undercarriage Length
- 102in
- Swing Bearing - Height
- 24in
- Tail Swing
- 44in
- Track Belt/Shoe Width
- 16in
- Vertical Wall
- 92in
-
Operating Specifications
- Stick Length – Standard
- 55in
- Counterweight
- 364.4lb
- Stick Length - Long
- 70in
- Stick Length - Standard
- 55in
- Stick Length – Long
- 70in
- Counterweight
- 364.4lb
-
Lift Capacities at Ground Level - Lift Point Radius: 3000 mm (9'8”)
- Blade Down - Front
- 5710lb
- Blade Down - Side
- 2844lb
- Blade Up - Front
- 3417lb
- Blade Up - Side
- 2535lb
-
Certification – Cab and Canopy
- Roll Over Protective Structure (ROPS)
- ISO 12117-2
- Tip Over Protective Structure (TOPS)
- ISO 12117
- Top Guard
- ISO 10262 (Level I)
-
Undercarriage
- Number of Carrier Rollers
- 1
- Number of Track Rollers
- 4
- Track Roller Type
- Center Flange
- Number of Carrier Rollers
- 3
- Number of Track Rollers
- 3
- Track Roller Type
- Triple Flange
-
Lift Capacities at Ground Level – Lift Point Radius: 3000 mm (9’8”)
- Blade Down – Front
- 5710lb
- Blade Up – Front
- 3417lb
- Blade Down – Side
- 2844lb
- Blade Up – Side
- 2535lb
-
Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (14'9”)
- Blade Down - Front
- 3042lb
- Blade Up - Front
- 1808lb
- Blade Down - Side
- 1521lb
- Blade Up - Side
- 1367lb
-
Dimensions – Standard Stick
- Dig Depth
- 137in
- Vertical Wall
- 92in
- Maximum Reach at Ground Level
- 222in
- Maximum Reach
- 228in
- Maximum Dig Height
- 210in
- Maximum Dump Clearance
- 150in
- Boom In Reach
- 94in
- Tail Swing
- 44in
- Maximum Blade Height
- 16in
- Maximum Blade Depth
- 22in
- Boom Height in Shipping Position
- 69in
- O/A Shipping Height
- 100in
- Swing Bearing Height
- 24in
- O/A Undercarriage Length
- 102in
- O/A Shipping Length
- 210in
- Boom Swing Right
- 31in
- Boom Swing Left
- 27in
- Track Belt/Shoe Width
- 16in
- O/A Track Width
- 78in
-
Air Conditioning System
- Air Conditioning
- The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.4 metric tonnes.
-
Dimensions – Long Stick
- Dig Depth
- 152in
- Vertical Wall
- 107in
- Maximum Reach at Ground Level
- 237in
- Maximum Reach
- 243in
- Maximum Dig Height
- 220in
- Maximum Dump Clearance
- 161in
- Boom In Reach
- 100in
- Tail Swing
- 44in
- Maximum Blade Height
- 16in
- Maximum Blade Depth
- 22in
- Boom Height in Shipping Position
- 85in
- O/A Shipping Height
- 100in
- Swing Bearing Height
- 24in
- O/A Undercarriage Length
- 102in
- O/A Shipping Length
- 215in
- Boom Swing Right
- 31in
- Boom Swing Left
- 27in
- Track Belt/Shoe Width
- 16in
- O/A Track Width
- 78in
Equipment
-
- Engine
-
- Cat C2.4 diesel engine (meets U.S. EPA Tier 4 Final emission standards for North America and EU Stage IIIA/Tier 4 Interim emission standards for all other regions)
- Automatic engine idle
- Automatic engine shut-off
- Automatic two speed travel
- Diesel Particulate Filter (North America only)
- Diesel Oxidation Catalyst (North America only)
- Fuel and water separator
- Power on demand
-
- Hydraulic System
-
- 1-way and 2-way (combined function)
- Accumulator
- Automatic swing parking brake
- Auxiliary hydraulic lines
- Adjustable auxiliary relief
- Auxiliary line quick disconnects
- Cat interlock system: hydraulic lockout
- Continuous auxiliary flow
- Ecology drain
- Hydraulic oil cooler
- High definition hydraulics
- Load sensing/flow sharing
-
- Operator Environment
-
- 100% pilot control ergonomic joysticks
- Adjustable armrests
- COMPASS: complete, operation, maintenance, performance and security system
- Multiple languages
- Cup holder
- Hydraulic neutral lockout bar
- Literature holder
- Pattern changer (optional in Europe)
- Site reference system: leveling
- Tool storage area
- Travel control pedals with hand levers
- Washable floor mat
-
- Undercarriage
-
- Dozer blade with float function
- Track, rubber belt, 400 mm (16 in) width
- Tie down eyes on track frame
- Towing eye on base frame
-
- Front Linkage
-
- 200 degree bucket rotation
- Certified lifting eye on bucket linkage (optional in Europe)
- Front shovel capable
- Thumb ready stick
-
- Electrical
-
- 12 volt electrical system
- 60 ampere alternator
- 650 CCA maintenance free battery
- Fuse box
- Ignition key start/stop switch
- Slow blow fuse
- Warning horn
-
- Lights And Mirrors
-
- Boom light with time delay capability
-
- Safety And Security
-
- Anti-theft system (COMPASS)
- Caterpillar Corporate “One Key” System
- Door locks
- Lockable fuel cap
- Retractable seat belt
- Roll Over Protective Structure (ROPS) (ISO 12117-2)
- Tip Over Protective Structure (TOPS) (ISO 12117)
- Top guard – ISO 10262 (Level 1)
- Travel alarm (optional in Europe)
-
- Technology
-
- Product Link™
-
- Engine
-
- Engine block heater
-
- Hydraulic System
-
- Quick coupler lines
- Boom lowering check valve
- Stick lowering check valve
- Secondary auxiliary hydraulic lines
-
- Operator Environment
-
- Cab:
- Air conditioning
- Heat
- High back suspension seat
- Interior light
- Interlocking front window system
- Radio
- Windshield wiper
- Cab:
-
- Undercarriage
-
- Power angle blade
- Track, double grouser (steel), 400 mm (16 in)
- Track, double grouser (steel) with rubber pad, 400 mm (16 in)
-
- Front Linkage
-
- Quick coupler: manual or hydraulic
- Thumb
- Buckets
- Full range of performance matched work tools
- Auger, hammer, ripper
-
- Lights And Mirrors
-
- Light, cab with time delay capability
- Mirror, canopy right
- Mirror, canopy left
- Mirror, cab rear
-
- Safety And Security
-
- Battery disconnect
- Beacon socket
- Front wire mesh guard
- Rearview camera
- Vandal guard
-
- Other Attachments
-
- Counterweight, extra