Excavators
305.5E2 CR Mini Hydraulic Excavator
-
Engine ModelCat® C2.4
-
Net Power44.1 HP
-
Net Power44.1 hp
-
Engine ModelCat® C2.4
Engine
- Engine Model
- Cat® C2.4
- Net Power
- 44.1 HP
- Net Power
- 44.1 hp
- Engine Model
- Cat® C2.4
- Rated Net Power
- 44.1 hp
- Net Power
- 44.1 HP
- Bore
- 3.4 in
- Stroke
- 4 in
- Displacement
- 146 in3
- Bore
- 3.4 in
- Displacement
- 146 in³
- Stroke
- 4 in
- Gross Power
- 45.7 hp
- 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
- 45.7 HP
Weights*
- Operating Weight
- 11958 lb
- Weight
- 11503 lb
- Weight
- 11503 lb
- Weight
- 11596 lb
- Weight
- 11863 lb
- Weight
- 11958 lb
- 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
- 11958 lb
- Weight
- 11863 lb
- Weight
- 11596 lb
Travel System
- Travel Speed
- 2.8 mph
- Travel Speed
- 1.7 mph
- Maximum Traction Force
- 6025 lb
- Maximum Traction Force
- 10746 lb
- Travel Speed
- 2.36 mile/h
- Travel Speed
- 2.05 mile/h
- Ground Pressure
- 4.5 psi
- Ground Pressure
- 4.6 psi
- Gradeability
- 30°
- Gradeability
- 30°
- Ground Pressure
- 4.6 psi
- Ground Pressure
- 4.5 psi
Hydraulic System
- Pump Flow at 2
- 39.6 gal/min
- Auxiliary Circuit
- 21.1 gal/min
- Auxiliary Circuit
- 6.6 gal/min
- Operating Pressure
- 3553 psi
- Operating Pressure
- 3553 psi
- Operating Pressure
- 3132 psi
- Digging Force
- 6500 lb
- Digging Force
- 5575 lb
- Auxiliary Circuit
- 21.1 gal/min
- Auxiliary Circuit
- 6.6 gal/min
- Pump Flow at 2
- 39.6 gal/min
- Maximum Auxiliary Circuit
- 3553 psi
- Maximum Auxiliary Circuit
- 3553 psi
- Maximum Auxiliary Circuit
- 6.6 gal/min
- Maximum Auxiliary Circuit
- 21.1 gal/min
- Digging Force
- 11445 lb
- Type
- Load Sensing Hydraulics with Variable Displacement Piston Pump
- Digging Force
- 11445 lb
- Type
- Load Sensing Hydraulics with Variable Displacement Piston Pump
Swing System
- Machine Swing Speed
- 10 rpm
- Machine Swing Speed
- 10 r/min
- Boom Swing
- 80°
- Boom Swing
- 60°
- Boom Swing
- 50°
- Boom Swing
- 60°
- Boom Swing
- 80°
- Boom Swing
- 50°
- Note
- *Automatic swing brake, spring applied, hydraulic release.
- Note
- *Automatic swing brake, spring applied, hydraulic release.
Blade
- Width
- 78.0 in
- Width
- 78 in
- Height
- 14.8 in
- Dig Depth
- 21.9 in
- Lift Height
- 15.9 in
Service Refill Capacities
- Cooling System
- 2.8 gal
- Engine Oil
- 2.5 gal
- Hydraulic Tank
- 18 gal
- Fuel Tank
- 16.6 gal
- Hydraulic System
- 20.6 gal
- Cooling System
- 2.8 gal (US)
- Engine Oil
- 2.5 gal (US)
- Fuel Tank
- 16.6 gal (US)
- Hydraulic System
- 20.6 gal (US)
- Hydraulic Tank
- 18 gal (US)
Dimensions - Long Stick
- Dig Depth
- 152 in
- Boom Height
- 85 in
- Boom In Reach
- 100 in
- Boom Swing
- 27 in
- Boom Swing
- 31 in
- Maximum Blade Depth
- 22 in
- Maximum Blade Height
- 16 in
- Maximum Dig Height
- 220 in
- Maximum Dump Clearance
- 161 in
- Maximum Reach
- 243 in
- Maximum Reach
- 237 in
- O
- 100 in
- O
- 215 in
- O
- 78 in
- O
- 102 in
- Swing Bearing
- 24 in
- Tail Swing
- 44 in
- Track Belt
- 16 in
- Vertical Wall
- 107 in
Operating Specifications
- Stick Length
- 55 in
- Stick Length
- 70 in
- Counterweight
- 364.4 lb
- Counterweight
- 364.4 lb
- Stick Length
- 70 in
- Stick Length
- 55 in
Cab
- Dynamic Operator Sound Pressure Level
- 81 dB(A)
- Exterior Sound Power Level
- 97 dB(A)
- Note
- *European Union Directive “2000/14/EC”
- Dynamic Operator Sound Pressure Level
- 81 dB(A)
- Exterior Sound Power Level
- 97 dB(A)
- Note
- *European Union Directive “2000/14/EC”
Certification – Cab and Canopy
- Roll Over Protective Structure
- ISO 12117-2
- Tip Over Protective Structure
- ISO 12117
- Top Guard
- ISO 10262 (Level I)
Undercarriage
- Number of Carrier Rollers
- 3
- Number of Track Rollers
- 3
- Track Roller Type
- Triple Flange
- Number of Carrier Rollers
- 1
- Number of Track Rollers
- 4
- Track Roller Type
- Center Flange
Lift Capacities at Ground Level – Lift Point Radius: 3000 mm (9’8”)
- Blade Down
- 5710 lb
- Blade Up
- 3417 lb
- Blade Down
- 2844 lb
- Blade Up
- 2535 lb
Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (14'9”)
- Blade Down
- 3042 lb
- Blade Up
- 1808 lb
- Blade Down
- 1521 lb
- Blade Up
- 1367 lb
Dimensions – Standard Stick
- Dig Depth
- 137 in
- Vertical Wall
- 92 in
- Maximum Reach at Ground Level
- 222 in
- Maximum Reach
- 228 in
- Maximum Dig Height
- 210 in
- Maximum Dump Clearance
- 150 in
- Boom In Reach
- 94 in
- Tail Swing
- 44 in
- Maximum Blade Height
- 16 in
- Maximum Blade Depth
- 22 in
- Boom Height in Shipping Position
- 69 in
- O
- 100 in
- Swing Bearing Height
- 24 in
- O
- 102 in
- O
- 210 in
- Boom Swing Right
- 31 in
- Boom Swing Left
- 27 in
- Track Belt
- 16 in
- O
- 78 in
Dimensions – Long Stick
- Dig Depth
- 152 in
- Vertical Wall
- 107 in
- Maximum Reach at Ground Level
- 237 in
- Maximum Reach
- 243 in
- Maximum Dig Height
- 220 in
- Maximum Dump Clearance
- 161 in
- Boom In Reach
- 100 in
- Tail Swing
- 44 in
- Maximum Blade Height
- 16 in
- Maximum Blade Depth
- 22 in
- Boom Height in Shipping Position
- 85 in
- O
- 100 in
- Swing Bearing Height
- 24 in
- O
- 102 in
- O
- 215 in
- Boom Swing Right
- 31 in
- Boom Swing Left
- 27 in
- Track Belt
- 16 in
- O
- 78 in
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.
Certification - Cab and Canopy
- Roll Over Protective Structure
- ISO 12117-2
- Tip Over Protective Structure
- ISO 12117
- Top Guard
- ISO 10262 (Level I)
Dimensions - Standard Stick
- Boom Height
- 69 in
- Boom In Reach
- 94 in
- Boom Swing
- 27 in
- Boom Swing
- 31 in
- Dig Depth
- 137 in
- Maximum Blade Depth
- 22 in
- Maximum Blade Height
- 16 in
- Maximum Dig Height
- 210 in
- Maximum Dump Clearance
- 150 in
- Maximum Reach
- 228 in
- Maximum Reach
- 222 in
- O
- 100 in
- O
- 210 in
- O
- 78 in
- O
- 102 in
- Swing Bearing
- 24 in
- Tail Swing
- 44 in
- Track Belt
- 16 in
- Vertical Wall
- 92 in
Lift Capacities at Ground Level - Lift Point Radius: 3000 mm (9'8”)
- Blade Down
- 5710 lb
- Blade Down
- 2844 lb
- Blade Up
- 3417 lb
- Blade Up
- 2535 lb
-
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
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OTHER ATTACHMENTS
- Counterweight, extra
-
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