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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.

Engine

Net Power

40.2HP

Engine Model

Cat C2.4

Net Power - 2,200 rpm - ISO 9249/EEC 80/1269

40.2HP

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

146in³

Stroke

4in

Bore

3.4in

Gross Power - ISO 14396

41.8HP

Weights*

Operating Weight

11443lb

Weight - Canopy, Standard Stick

10970lb

Weight - Cab, Long Stick

11443lb

Weight - Canopy, Long Stick

11069lb

Weight - Cab, Standard Stick

11334lb

Dimensions - Long Stick

Dig Depth

144in

Boom Height - Shipping Position

85in

Maximum Dump Clearance

154in

Tail Swing

43in

Maximum Reach - Ground Level

229in

O/A Shipping Length

208in

O/A Track Width

78in

Boom Swing - Left

27in

Maximum Reach

235in

Maximum Blade Height

16in

Swing Bearing - Height

24in

O/A Undercarriage Length

102in

O/A Shipping Height

100in

Maximum Blade Depth

22in

Track Belt/Shoe Width

16in

Vertical Wall

104in

Maximum Dig Height

214in

Boom Swing - Right

31in

Boom In Reach

100in

Swing System

Machine Swing Speed

10r/min

Blade

Width

78in

Height

14.8in

Dig Depth

21.9in

Lift Height

15.9in

Service Refill Capacities

Cooling System

2.8gal (US)

Engine Oil

2.5gal (US)

Hydraulic Tank

18gal (US)

Fuel Tank

16.6gal (US)

Hydraulic System

20.6gal (US)

Travel System

Maximum Traction Force - Low Speed

10161lb

Maximum Traction Force - High Speed

5418lb

Travel Speed - High

2.7mile/h

Travel Speed - Low

1.7mile/h

Ground Pressure - Cab

4.4psi

Ground Pressure - Canopy

4.3psi

Hydraulic System

Digging Force - Stick - Standard

5550lb

Operating Pressure - Equipment

3553psi

Operating Pressure - Swing

3132psi

Operating Pressure - Travel

3553psi

Note

Flow and pressure are not combinable. Under load, as flow rises pressure goes down.

Pump Flow at 2,400 rpm

39.6gal/min

Digging Force - Stick - Long

4788lb

Maximum Auxiliary Circuit - Secondary - Flow at Pump

6.6gal/min

Maximum Auxiliary Circuit - Primary - Flow at Pump

21.1gal/min

Maximum Auxiliary Circuit - Secondary - Pressure at Pump

3553psi

Maximum Auxiliary Circuit - Primary - Pressure at Pump

3553psi

Digging Force - Bucket

10050lb

Operating Specifications

Stick Length - Long

67in

Stick Length - Standard

52in

Dimensions - Standard Stick

Tail Swing

43in

Boom Swing - Left

27in

Maximum Blade Depth

22in

Boom Swing - Right

31in

O/A Track Width

78in

Maximum Blade Height

16in

Track Belt/Shoe Width

16in

O/A Undercarriage Length

102in

Maximum Reach

220in

O/A Shipping Length

204in

Swing Bearing - Height

24in

Dig Depth

129in

Maximum Dump Clearance

129in

Maximum Reach - Ground Level

210in

Boom In Reach

93in

O/A Shipping Height

100in

Vertical Wall

91in

Boom Height - Shipping Position

69in

Maximum Dig Height

207in

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

Blade Down - Side

1411lb

Blade Down - Front

2778lb

Blade Up - Side

1257lb

Blade Up - Front

1676lb

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

Blade Up - Side

2359in

Blade Down - Side

2646in

Blade Down - Front

5159lb

Blade Up - Front

3197lb

Cab

Exterior Sound Power Level - ISO 6395:2008*

96dB(A)

Dynamic Operator Sound Pressure Level (ISO 6396:2008)

81dB(A)

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

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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