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305E2 CR

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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)

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

TECHNOLOGY
  • Product Link™

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

Units:
Engine Model Cat® C2.4 Cat® C2.4 Less
Net Power 40.2 hp 30.0 kW Less
Rated Net Power @ 2,200 rpm – ISO 9249/EEC 80/1269 40.2 hp 30.0 kW Less
Bore 3.4 in 87.0 mm Less
Stroke 4.0 in 102.4 mm Less
Displacement 146.0 in3 2.4 L Less
Gross Power – ISO 14396 41.8 hp 31.2 kW Less
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. Less

Weights*

Operating Weight 11443.0 lb 5185.0 kg Less
Weight – Canopy, Standard Stick 10970.0 lb 4975.0 kg Less
Weight – Canopy, Long Stick 11069.0 lb 5020.0 kg Less
Weight – Cab, Standard Stick 11334.0 lb 5140.0 kg Less
Weight – Cab, Long Stick 11443.0 lb 5185.0 kg Less
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. Less

Travel System

Travel Speed – High 2.7 mph 4.4 km/h Less
Travel Speed – Low 1.7 mph 2.8 km/h Less
Max Traction Force – High Speed 5418.0 lb 24.1 kN Less
Max Traction Force – Low Speed 10161.0 lb 45.2 kN Less
Ground Pressure – Canopy 4.3 psi 29.5 kPa Less
Ground Pressure – Cab 4.4 psi 30.5 kPa Less
Gradeability (maximum) 30° 30° Less

Hydraulic System

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

Swing System

Machine Swing Speed 10.0 rpm 10.0 rpm Less
Boom Swing – Left* (without stop) 80° 80° Less
Boom Swing – Left* (with stop) 60° 60° Less
Boom Swing – Right 50° 50° Less
Note *Automatic swing brake, spring applied, hydraulic release. *Automatic swing brake, spring applied, hydraulic release. Less

Blade

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

Service Refill Capacities

Cooling System 2.8 gal 10.5 L Less
Engine Oil 2.5 gal 9.5 L Less
Hydraulic Tank 18.0 gal 68.3 L Less
Fuel Tank 16.6 gal 63.0 L Less
Hydraulic System 20.6 gal 78.0 L Less

Operating Specifications

Stick Length – Standard 52.0 in 1350.0 mm Less
Stick Length – Long 67.0 in 1750.0 mm Less

Cab

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

Certification – Cab and Canopy

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

Undercarriage

Number of Carrier Rollers 3 3 Less
Number of Track Rollers 3 3 Less
Track Roller Type Triple Flange Triple Flange Less

Lift Capacities at Ground Level – Lift Point Radius: 3000 mm (9’8”)

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

Lift Capacities at Ground Level – Lift Point Radius: 4000 mm (13’1”)

Blade Down – Front 2778.0 lb 1260.0 kg Less
Blade Up – Front 1676.0 lb 760.0 kg Less
Blade Down – Side 1411.0 lb 640.0 kg Less
Blade Up – Side 1257.0 lb 570.0 kg Less

Dimensions – Standard Stick

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

Dimensions – Long Stick

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

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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