Mini Excavators 305E2 CR

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Key Specs

Net Power
40.2 HP
30 kW
Operating Weight
11443 lb
5185 kg
Dig Depth
144 in
3670 mm

Overview

Big Performance in a Mini Excavator

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.

Product Specifications for 305E2 CR

Net Power 40.2 HP 30 kW
Engine Model Cat C2.4 Cat C2.4
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 40.2 HP 30 kW
Note The Cat C2.4 meets U.S. EPA Tier 4 Final emission standards for North America, EU Stage V emission standards for Europe and Tier 4 Interim emission standards for all other regions. The Cat C2.4 meets U.S. EPA Tier 4 Final emission standards for North America, EU Stage V emission standards for Europe and Tier 4 Interim emission standards for all other regions.
Displacement 146 in³ 2.4 l
Stroke 4 in 102.4 mm
Bore 3.4 in 87 mm
Gross Power - ISO 14396 41.8 HP 31.2 kW
Operating Weight 11443 lb 5185 kg
Weight - Canopy, Standard Stick 10970 lb 4975 kg
Weight - Cab, Long Stick 11443 lb 5185 kg
Weight - Canopy, Long Stick 11069 lb 5020 kg
Weight - Cab, Standard Stick 11334 lb 5140 kg
Maximum Traction Force - Low Speed 10161 lb 45.2 kN
Maximum Traction Force - High Speed 5418 lb 24.1 kN
Travel Speed - High 2.7 mile/h 4.4 km/h
Travel Speed - Low 1.7 mile/h 2.8 km/h
Ground Pressure - Cab 4.4 psi 30.5 kPa
Ground Pressure - Canopy 4.3 psi 29.5 kPa
Digging Force - Stick - Standard 5550 lb 24.7 kN
Operating Pressure - Equipment 3553 psi 245 bar
Operating Pressure - Swing 3132 psi 216 bar
Operating Pressure - Travel 3553 psi 245 bar
Note Flow and pressure are not combinable. Under load, as flow rises pressure goes down. Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Pump Flow at 2,400 rpm 39.6 gal/min 150 l/min
Digging Force - Stick - Long 4788 lb 21.3 kN
Maximum Auxiliary Circuit - Secondary - Flow at Pump 6.6 gal/min 25 l/min
Maximum Auxiliary Circuit - Primary - Flow at Pump 21.1 gal/min 80 l/min
Maximum Auxiliary Circuit - Secondary - Pressure at Pump 3553 psi 24500 kPa
Maximum Auxiliary Circuit - Primary - Pressure at Pump 3553 psi 24500 kPa
Digging Force - Bucket 10050 lb 44.7 kN
Machine Swing Speed 10 r/min 10 r/min
Width 78 in 1980 mm
Height 14.8 in 375 mm
Dig Depth 21.9 in 555 mm
Lift Height 15.9 in 405 mm
Cooling System 2.8 gal (US) 10.5 l
Engine Oil 2.5 gal (US) 9.5 l
Hydraulic Tank 18 gal (US) 68.3 l
Fuel Tank 16.6 gal (US) 63 l
Hydraulic System 20.6 gal (US) 78 l
Dig Depth 144 in 3670 mm
Boom Height - Shipping Position 85 in 2150 mm
Maximum Dump Clearance 154 in 3920 mm
Tail Swing 43 in 1100 mm
Maximum Reach - Ground Level 229 in 5810 mm
O/A Shipping Length 208 in 5290 mm
O/A Track Width 78 in 1980 mm
Boom Swing - Left 27 in 695 mm
Maximum Reach 235 in 5960 mm
Maximum Blade Height 16 in 405 mm
Swing Bearing - Height 24 in 615 mm
O/A Undercarriage Length 102 in 2580 mm
O/A Shipping Height 100 in 2550 mm
Maximum Blade Depth 22 in 555 mm
Track Belt/Shoe Width 16 in 400 mm
Vertical Wall 104 in 2630 mm
Maximum Dig Height 214 in 5440 mm
Boom Swing - Right 31 in 785 mm
Boom In Reach 100 in 2530 mm
Stick Length - Long 67 in 1750 mm
Stick Length - Standard 52 in 1350 mm
Tail Swing 43 in 1100 mm
Boom Swing - Left 27 in 695 mm
Maximum Blade Depth 22 in 555 mm
Boom Swing - Right 31 in 785 mm
O/A Track Width 78 in 1980 mm
Maximum Blade Height 16 in 405 mm
Track Belt/Shoe Width 16 in 400 mm
O/A Undercarriage Length 102 in 2580 mm
Maximum Reach 220 in 5600 mm
O/A Shipping Length 204 in 5180 mm
Swing Bearing - Height 24 in 615 mm
Dig Depth 129 in 3280 mm
Maximum Dump Clearance 129 in 3720 mm
Maximum Reach - Ground Level 210 in 5330 mm
Boom In Reach 93 in 2350 mm
O/A Shipping Height 100 in 2550 mm
Vertical Wall 91 in 2320 mm
Boom Height - Shipping Position 69 in 1750 mm
Maximum Dig Height 207 in 5250 mm
Blade Down - Side 1411 lb 640 kg
Blade Down - Front 2778 lb 1260 kg
Blade Up - Side 1257 lb 570 kg
Blade Up - Front 1676 lb 760 kg
Blade Up - Side 2359 in 1070 kg
Blade Down - Side 2646 in 1200 kg
Blade Down - Front 5159 lb 2340 kg
Blade Up - Front 3197 lb 1450 kg
Exterior Sound Power Level - ISO 6395:2008* 96 dB(A) 96 dB(A)
Dynamic Operator Sound Pressure Level (ISO 6396:2008) 81 dB(A) 81 dB(A)

305E2 CR Standard Equipment

ENGINE

  • Cat C2.4 diesel engine (meets U.S. EPA Tier 4 Final emission standards for North America, EU Stage V emission standards for Europe and 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

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