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305E2 CR

305E2 CR 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
    • 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™

305E2 CR 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:
    • Air conditioning
    • Heat
    • High back suspension seat
    • Interior light
    • Interlocking front window system
    • Radio
    • Windshield wiper

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

Select Units

Overview

The Cat® 305E2 CR Mini Hydraulic Excavator delivers high performance, durability and versatility in a compact design to help you work in a variety of applications.

Engine

  • Engine Model Cat® C2.4 Cat® C2.4
  • Net Power 40.2 HP 30.0 kW
  • Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 40.2 HP 30.0 kW
  • Bore 3.4 in 87.0 mm
  • Displacement 146.0 in³ 2.4 l
  • Stroke 4.0 in 102.4 mm
  • Emissions Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards. Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
  • Gross Power - ISO 14396 41.8 HP 31.2 kW

Weights*

  • Operating Weight 11443.0 lb 5185.0 kg
  • Weight - Canopy, Standard Stick 10970.0 lb 4975.0 kg
  • Note *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines. *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
  • Weight - Cab, Long Stick 11443.0 lb 5185.0 kg
  • Weight - Cab, Standard Stick 11334.0 lb 5140.0 kg
  • Weight - Canopy, Long Stick 11069.0 lb 5020.0 kg

Travel System

  • Maximum Traction Force - High Speed 5418.0 lb 24.1 kN
  • Maximum Traction Force - Low Speed 10161.0 lb 45.2 kN
  • Travel Speed - High 2.7 mile/h 4.4 km/h
  • Travel Speed - Low 1.7 mile/h 2.8 km/h
  • Gradeability - Maximum 30° 30°
  • Ground Pressure - Cab 4.4 psi 30.5 kPa
  • Ground Pressure - Canopy 4.3 psi 29.5 kPa

Hydraulic System

  • Auxiliary Circuit - Primary (186 bar/2,734 psi) 21.1 gal/min 80.0 l/min
  • Auxiliary Circuit - Secondary (174 bar/2,524 psi) 6.6 gal/min 25.0 l/min
  • Digging Force - Stick - Long 4788.0 lb 21.3 kN
  • Digging Force - Stick - Standard 5550.0 lb 24.7 kN
  • Operating Pressure - Equipment 3553.0 psi 245.0 bar
  • Operating Pressure - Swing 3132.0 psi 216.0 bar
  • Operating Pressure - Travel 3553.0 psi 245.0 bar
  • Pump Flow at 2,400 rpm 39.6 gal/min 150.0 l/min
  • Digging Force - Bucket 10050.0 lb 44.7 kN
  • Type Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump

Swing System

  • Machine Swing Speed 10.0 r/min 10.0 r/min
  • Boom Swing - Left - With Stop* 60° 60°
  • Boom Swing - Left - Without Stop* 80° 80°
  • Boom Swing - Right 50° 50°
  • Note *Automatic swing brake, spring applied, hydraulic release. *Automatic swing brake, spring applied, hydraulic release.

Blade

  • Width 78.0 in 1980.0 mm
  • Height 14.8 in 375.0 mm
  • Dig Depth 21.9 in 555.0 mm
  • Lift Height 15.9 in 405.0 mm

Service Refill Capacities

  • Cooling System 2.8 gal (US) 10.5 l
  • Engine Oil 2.5 gal (US) 9.5 l
  • Hydraulic Tank 18.0 gal (US) 68.3 l
  • Fuel Tank 16.6 gal (US) 63.0 l
  • Hydraulic System 20.6 gal (US) 78.0 l

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. 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.

Cab

  • Dynamic Operator Sound Pressure Level (ISO 6396:2008) 81.0 dB(A) 81.0 dB(A)
  • Exterior Sound Power Level - ISO 6395:2008* 96.0 dB(A) 96.0 dB(A)
  • Note *European Union Directive “2000/14/EC” *European Union Directive “2000/14/EC”

Certification - Cab and Canopy

  • Roll Over Protective Structure (ROPS) ISO 12117-2 ISO 12117-2
  • Tip Over Protective Structure (TOPS) ISO 12117 ISO 12117
  • Top Guard ISO 10262 (Level I) ISO 10262 (Level I)

Dimensions - Long Stick

  • Boom Height - Shipping Position 85.0 in 2150.0 mm
  • Boom In Reach 100.0 in 2530.0 mm
  • Boom Swing - Left 27.0 in 695.0 mm
  • Boom Swing - Right 31.0 in 785.0 mm
  • Dig Depth 144.0 in 3670.0 mm
  • Maximum Blade Depth 22.0 in 555.0 mm
  • Maximum Blade Height 16.0 in 405.0 mm
  • Maximum Dig Height 214.0 in 5440.0 mm
  • Maximum Dump Clearance 154.0 in 3920.0 mm
  • Maximum Reach 235.0 in 5960.0 mm
  • Maximum Reach - Ground Level 229.0 in 5810.0 mm
  • O/A Shipping Height 100.0 in 2550.0 mm
  • O/A Shipping Length 208.0 in 5290.0 mm
  • O/A Track Width 78.0 in 1980.0 mm
  • O/A Undercarriage Length 102.0 in 2580.0 mm
  • Swing Bearing - Height 24.0 in 615.0 mm
  • Tail Swing 43.0 in 1100.0 mm
  • Track Belt/Shoe Width 16.0 in 400.0 mm
  • Vertical Wall 104.0 in 2630.0 mm

Dimensions - Standard Stick

  • Boom Height - Shipping Position 69.0 in 1750.0 mm
  • Boom In Reach 93.0 in 2350.0 mm
  • Boom Swing - Left 27.0 in 695.0 mm
  • Boom Swing - Right 31.0 in 785.0 mm
  • Dig Depth 129.0 in 3280.0 mm
  • Maximum Blade Depth 22.0 in 555.0 mm
  • Maximum Blade Height 16.0 in 405.0 mm
  • Maximum Dig Height 207.0 in 5250.0 mm
  • Maximum Dump Clearance 129.0 in 3720.0 mm
  • Maximum Reach 220.0 in 5600.0 mm
  • Maximum Reach - Ground Level 210.0 in 5330.0 mm
  • O/A Shipping Height 100.0 in 2550.0 mm
  • O/A Shipping Length 204.0 in 5180.0 mm
  • O/A Track Width 78.0 in 1980.0 mm
  • O/A Undercarriage Length 102.0 in 2580.0 mm
  • Swing Bearing - Height 24.0 in 615.0 mm
  • Tail Swing 43.0 in 1100.0 mm
  • Track Belt/Shoe Width 16.0 in 400.0 mm
  • Vertical Wall 91.0 in 2320.0 mm

Lift Capacities at Ground Level - Lift Point Radius: 3000 mm (9'8”)

  • Blade Down - Front 5159.0 lb 2340.0 kg
  • Blade Down - Side 2646.0 in 1200.0 kg
  • Blade Up - Front 3197.0 lb 1450.0 kg
  • Blade Up - Side 2359.0 in 1070.0 kg

Lift Capacities at Ground Level - Lift Point Radius: 4000 mm (13'1”)

  • Blade Down - Front 2778.0 lb 1260.0 kg
  • Blade Down - Side 1411.0 lb 640.0 kg
  • Blade Up - Front 1676.0 lb 760.0 kg
  • Blade Up - Side 1257.0 lb 570.0 kg

Operating Specifications

  • Stick Length - Long 67.0 in 1750.0 mm
  • Stick Length - Standard 52.0 in 1350.0 mm

Undercarriage

  • Number of Carrier Rollers 1 1
  • Number of Track Rollers 4 4
  • Track Roller Type Center Flange Center Flange

QUALITY

The durable hoods and frame and the compact radius design of the 305E2 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).

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