/ Equipment / Excavators /Mini Excavators

305.5E2 CR

305.5E2 CR with Swing Boom - 2015, Tier 4 Final

Overview

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.

Specifications

Net Power 44.1 HP
Engine Model Cat® C2.4
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 44.1 HP
Net Power 32.9 kW
Engine Model Cat® C2.4
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 32.9 kW
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Benefits & Features

QUALITY

The durable hoods and frame and the compact radius design of the 305.5E2 let you work comfortably and confidently in confined areas. The operator environment includes a high quality suspension seat, easy to adjust armrests and 100% pilot controls which offer consistent and long-lasting controllability.

EFFICIENCY

High Definition Hydraulic System provides a load sensing and flow sharing capability leading to operational precision, efficient performance and greater controllability. Power on Demand provides optimal efficiency and performance the moment you need it. This automatic system ensures fuel efficiency through appropriate engine rating to meet all operational needs as required.

VERSATILITY

Broad range of Cat Work Tools make the Cat Mini Excavator a versatile machine able to meet the requirements of any job site. Over 200 degrees of bucket rotation provides greater material retention during truck loading and easier flat wall digging without having to reposition the machine.

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305.5E2 CR Mini Hydraulic Excavator with Swing Boom
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305.5E2 CR Mini Hydraulic Excavator with Swing Boom
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305.5E2 CR Mini Hydraulic Excavator with Swing Boom

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Specifications

Net Power 44.1 HP
Engine Model Cat® C2.4
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 44.1 HP
Operating Weight 11958 lb
Weight - Canopy, Standard Stick 11503 lb
Bore 3.4 in
Stroke 4 in
Displacement 146 in³
Travel Speed - High 2.8 mile/h
Maximum Traction Force - High Speed 6025 lb
Travel Speed - Low 1.7 mile/h
Maximum Traction Force - Low Speed 10746 lb
Operating Pressure - Travel 3553 psi
Digging Force - Stick - Long 5575 lb
Operating Pressure - Swing 3132 psi
Operating Pressure - Equipment 3553 psi
Digging Force - Stick - Standard 6500 lb
Pump Flow at 2,400 rpm 39.6 gal/min
Maximum Auxiliary Circuit - Primary - Pressure 3553 psi
Maximum Auxiliary Circuit - Secondary - Pressure 3553 psi
Maximum Auxiliary Circuit - Secondary - Flow 6.6 gal/min
Maximum Auxiliary Circuit - Primary - Flow 21.1 gal/min
Machine Swing Speed 10 r/min
Boom Swing - Right 50°
Boom Swing - Left - Without Stop* 80°
Boom Swing - Left - With Stop* 60°
Width 78 in
Height 14.8 in
Dig Depth 21.9 in
Lift Height 15.9 in
Hydraulic Tank 18 gal (US)
Cooling System 2.8 gal (US)
Fuel Tank 16.6 gal (US)
Engine Oil 2.5 gal (US)
Hydraulic System 20.6 gal (US)
Dig Depth 152 in
Stick Length - Long 70 in
Boom In Reach 94 in
Weight - Cab, Long Stick 11958 lb
O/A Shipping Height 100 in
Ground Pressure - Canopy 4.5 psi
Number of Carrier Rollers 1
Blade Up - Front 3417 lb
Blade Down - Front 3042 lb
Blade Up - Side 2535 lb
Boom Swing - Right 31 in
O/A Shipping Length 215 in
Track Roller Type Center Flange
Vertical Wall 107 in
O/A Shipping Height 100 in
Note *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Counterweight 364.4 lb
Maximum Blade Depth 22 in
Dig Depth 137 in
Maximum Blade Depth 22 in
Track Belt/Shoe Width 16 in
O/A Undercarriage Length 102 in
Maximum Blade Height 16 in
O/A Shipping Length 210 in
Maximum Reach - Ground Level 222 in
Stick Length - Standard 55 in
Maximum Dump Clearance 161 in
Blade Up - Side 1367 lb
Maximum Reach - Ground Level 237 in
Blade Up - Front 1808 lb
Blade Down - Side 2844 lb
Weight - Cab, Standard Stick 11863 lb
Boom Swing - Right 31 in
Maximum Blade Height 16 in
Tail Swing 44 in
Swing Bearing - Height 24 in
Blade Down - Side 1521 lb
Maximum Dig Height 210 in
Maximum Dig Height 220 in
Boom Swing - Left 27 in
Vertical Wall 92 in
Tip Over Protective Structure (TOPS) ISO 12117
Dynamic Operator Sound Pressure Level (ISO 6396:2008) 81 dB(A)
Track Belt/Shoe Width 16 in
Ground Pressure - Cab 4.6 psi
Tail Swing 44 in
Weight - Canopy, Long Stick 11596 lb
Maximum Reach 243 in
Boom Height - Shipping Position 69 in
Boom Swing - Left 27 in
O/A Track Width 78 in
Maximum Dump Clearance 150 in
Gradeability - Maximum 30°
Top Guard ISO 10262 (Level I)
O/A Track Width 78 in
Swing Bearing - Height 24 in
Boom In Reach 100 in
Maximum Reach 228 in
Gross Power - ISO 14396 45.7 HP
Note *European Union Directive “2000/14/EC”
Exterior Sound Power Level - ISO 6395:2008* 97 dB(A)
O/A Undercarriage Length 102 in
Note *Automatic swing brake, spring applied, hydraulic release.
Emissions Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
Boom Height - Shipping Position 85 in
Blade Down - Front 5710 lb
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.
Digging Force - Bucket 11445 lb
Roll Over Protective Structure (ROPS) ISO 12117-2
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Number of Track Rollers 4
Net Power 32.9 kW
Engine Model Cat® C2.4
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 32.9 kW
Operating Weight 5423 kg
Weight - Canopy, Standard Stick 5217 kg
Bore 87 mm
Stroke 102.4 mm
Displacement 2.4 l
Travel Speed - High 4.5 km/h
Maximum Traction Force - High Speed 26.8 kN
Travel Speed - Low 2.8 km/h
Maximum Traction Force - Low Speed 47.8 kN
Operating Pressure - Travel 245 bar
Digging Force - Stick - Long 24.8 kN
Operating Pressure - Swing 216 bar
Operating Pressure - Equipment 245 bar
Digging Force - Stick - Standard 28.9 kN
Pump Flow at 2,400 rpm 150 l/min
Maximum Auxiliary Circuit - Primary - Pressure 24500 kPa
Maximum Auxiliary Circuit - Secondary - Pressure 24500 kPa
Maximum Auxiliary Circuit - Secondary - Flow 25 l/min
Maximum Auxiliary Circuit - Primary - Flow 80 l/min
Machine Swing Speed 10 r/min
Boom Swing - Right 50°
Boom Swing - Left - Without Stop* 80°
Boom Swing - Left - With Stop* 60°
Width 1980 mm
Height 375 mm
Dig Depth 555 mm
Lift Height 405 mm
Hydraulic Tank 68.3 l
Cooling System 10.5 l
Fuel Tank 63 l
Engine Oil 9.5 l
Hydraulic System 78 l
Dig Depth 3870 mm
Stick Length - Long 1820 mm
Boom In Reach 2400 mm
Weight - Cab, Long Stick 5423 kg
O/A Shipping Height 2550 mm
Ground Pressure - Canopy 31 kPa
Number of Carrier Rollers 1
Blade Up - Front 1550 kg
Blade Down - Front 1380 kg
Blade Up - Side 1150 kg
Boom Swing - Right 785 mm
O/A Shipping Length 5460 mm
Track Roller Type Center Flange
Vertical Wall 2730 mm
O/A Shipping Height 2550 mm
Note *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Counterweight 165.3 kg
Maximum Blade Depth 555 mm
Dig Depth 3470 mm
Maximum Blade Depth 555 mm
Track Belt/Shoe Width 400 mm
O/A Undercarriage Length 2580 mm
Maximum Blade Height 405 mm
O/A Shipping Length 5330 mm
Maximum Reach - Ground Level 5630 mm
Stick Length - Standard 1420 mm
Maximum Dump Clearance 4080 mm
Blade Up - Side 620 kg
Maximum Reach - Ground Level 6020 mm
Blade Up - Front 820 kg
Blade Down - Side 1290 kg
Weight - Cab, Standard Stick 5380 kg
Boom Swing - Right 785 mm
Maximum Blade Height 405 mm
Tail Swing 1130 mm
Swing Bearing - Height 615 mm
Blade Down - Side 690 kg
Maximum Dig Height 5330 mm
Maximum Dig Height 5590 mm
Boom Swing - Left 695 mm
Vertical Wall 2330 mm
Tip Over Protective Structure (TOPS) ISO 12117
Dynamic Operator Sound Pressure Level (ISO 6396:2008) 81 dB(A)
Track Belt/Shoe Width 400 mm
Ground Pressure - Cab 31.9 kPa
Tail Swing 1130 mm
Weight - Canopy, Long Stick 5259 kg
Maximum Reach 6170 mm
Boom Height - Shipping Position 1740 mm
Boom Swing - Left 695 mm
O/A Track Width 1980 mm
Maximum Dump Clearance 3820 mm
Gradeability - Maximum 30°
Top Guard ISO 10262 (Level I)
O/A Track Width 1980 mm
Swing Bearing - Height 615 mm
Boom In Reach 2530 mm
Maximum Reach 5790 mm
Gross Power - ISO 14396 34.1 kW
Note *European Union Directive “2000/14/EC”
Exterior Sound Power Level - ISO 6395:2008* 97 dB(A)
O/A Undercarriage Length 2580 mm
Note *Automatic swing brake, spring applied, hydraulic release.
Emissions Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
Boom Height - Shipping Position 2150 mm
Blade Down - Front 2590 kg
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.
Digging Force - Bucket 50.9 kN
Roll Over Protective Structure (ROPS) ISO 12117-2
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Number of Track Rollers 4

Benefits & Features

QUALITY

The durable hoods and frame and the compact radius design of the 305.5E2 let you work comfortably and confidently in confined areas. The operator environment includes a high quality suspension seat, easy to adjust armrests and 100% pilot controls which offer consistent and long-lasting controllability.

EFFICIENCY

High Definition Hydraulic System provides a load sensing and flow sharing capability leading to operational precision, efficient performance and greater controllability. Power on Demand provides optimal efficiency and performance the moment you need it. This automatic system ensures fuel efficiency through appropriate engine rating to meet all operational needs as required.

VERSATILITY

Broad range of Cat Work Tools make the Cat Mini Excavator a versatile machine able to meet the requirements of any job site. Over 200 degrees of bucket rotation provides greater material retention during truck loading and easier flat wall digging without having to reposition the machine.

PERFORMANCE

Front shovel bucket orientation provides the operator with more ways to get the job done faster. COMPASS Control Panel is a standard feature that allows the operator to easily adjust auxiliary flows to achieve the optimal work tool performance, activate auto idle for improved fuel efficiency and utilize the security system to ensure protection of valuable assets with the simple touch of a button. The Site Reference System included in the COMPASS monitor provides output from pitch and roll sensors to aid in grading and level trenching. This impacts accuracy and productivity for job site finishing.

SERVICEABILITY

Convenient service and maintenance requirements include ease of access to daily check points, 500 hour engine oil and filter change period, 500 hour grease interval on front implement, S·O·SSM oil sampling valve and overall long term durability.

SAFETY

All Cat Mini Excavators from 3.5 metric tons to 8 metric tons are ROPS, TOPS and Top Guard Level 1 certified and include the Cat Interlock (hydraulic lockout) System, a certified accumulator which allows for auxiliary pressure to be released, making connecting and disconnecting work tools safer and easier, and a travel alarm. All of these safety features are standard on the E2 model lineup (travel alarm optional in Europe).

Standard 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<ul><li>Multiple languages</li></ul>
    • 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™

Optional Equipment

  • ENGINE
    • Engine block heater
  • HYDRAULIC SYSTEM
    • Quick coupler lines
    • Boom lowering check valve
    • Stick lowering check valve
    • Secondary auxiliary hydraulic lines
  • OPERATOR ENVIRONMENT
    • Cab:<ul><li>Air conditioning</li><li>Heat</li><li>High back suspension seat</li><li>Interior light</li><li>Interlocking front window system</li><li>Radio</li><li>Windshield wiper</li></ul>
  • 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<ul><li>Auger, hammer, ripper</li></ul>
  • 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

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