305E2 CR Mini Hydraulic 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.

Get a Quote
Net Power 40.2 HP
Engine Model Cat C2.4
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 40.2 HP
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.
Displacement 146 in³
Stroke 4 in
Bore 3.4 in
Gross Power - ISO 14396 41.8 HP
Operating Weight 11443 lb
Weight - Canopy, Standard Stick 10970 lb
Weight - Cab, Long Stick 11443 lb
Weight - Canopy, Long Stick 11069 lb
Weight - Cab, Standard Stick 11334 lb
Maximum Traction Force - Low Speed 10161 lb
Maximum Traction Force - High Speed 5418 lb
Travel Speed - High 2.7 mile/h
Travel Speed - Low 1.7 mile/h
Ground Pressure - Cab 4.4 psi
Ground Pressure - Canopy 4.3 psi
Digging Force - Stick - Standard 5550 lb
Operating Pressure - Equipment 3553 psi
Operating Pressure - Swing 3132 psi
Operating Pressure - Travel 3553 psi
Note Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Pump Flow at 2,400 rpm 39.6 gal/min
Digging Force - Stick - Long 4788 lb
Maximum Auxiliary Circuit - Secondary - Flow at Pump 6.6 gal/min
Maximum Auxiliary Circuit - Primary - Flow at Pump 21.1 gal/min
Maximum Auxiliary Circuit - Secondary - Pressure at Pump 3553 psi
Maximum Auxiliary Circuit - Primary - Pressure at Pump 3553 psi
Digging Force - Bucket 10050 lb
Machine Swing Speed 10 r/min
Width 78 in
Height 14.8 in
Dig Depth 21.9 in
Lift Height 15.9 in
Cooling System 2.8 gal (US)
Engine Oil 2.5 gal (US)
Hydraulic Tank 18 gal (US)
Fuel Tank 16.6 gal (US)
Hydraulic System 20.6 gal (US)
Dig Depth 144 in
Boom Height - Shipping Position 85 in
Maximum Dump Clearance 154 in
Tail Swing 43 in
Maximum Reach - Ground Level 229 in
O/A Shipping Length 208 in
O/A Track Width 78 in
Boom Swing - Left 27 in
Maximum Reach 235 in
Maximum Blade Height 16 in
Swing Bearing - Height 24 in
O/A Undercarriage Length 102 in
O/A Shipping Height 100 in
Maximum Blade Depth 22 in
Track Belt/Shoe Width 16 in
Vertical Wall 104 in
Maximum Dig Height 214 in
Boom Swing - Right 31 in
Boom In Reach 100 in
Stick Length - Long 67 in
Stick Length - Standard 52 in
Tail Swing 43 in
Boom Swing - Left 27 in
Maximum Blade Depth 22 in
Boom Swing - Right 31 in
O/A Track Width 78 in
Maximum Blade Height 16 in
Track Belt/Shoe Width 16 in
O/A Undercarriage Length 102 in
Maximum Reach 220 in
O/A Shipping Length 204 in
Swing Bearing - Height 24 in
Dig Depth 129 in
Maximum Dump Clearance 129 in
Maximum Reach - Ground Level 210 in
Boom In Reach 93 in
O/A Shipping Height 100 in
Vertical Wall 91 in
Boom Height - Shipping Position 69 in
Maximum Dig Height 207 in
Blade Down - Side 1411 lb
Blade Down - Front 2778 lb
Blade Up - Side 1257 lb
Blade Up - Front 1676 lb
Blade Up - Side 2359 in
Blade Down - Side 2646 in
Blade Down - Front 5159 lb
Blade Up - Front 3197 lb
Exterior Sound Power Level - ISO 6395:2008* 96 dB(A)
Dynamic Operator Sound Pressure Level (ISO 6396:2008) 81 dB(A)
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™
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