305E2 CR Mini Hydraulic Excavator

305E2 CR Mini Hydraulic Excavator with Swing Boom

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.

Product Specs

Engine

Engine Model
Cat® C2.4
Net Power
40.2HP
Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/1269
40.2HP
Emissions
Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
Gross Power - ISO 14396
41.8HP
Displacement
146in³
Stroke
4in
Bore
3.4in

Weights*

Weight - Canopy, Long Stick
11069lb
Note
*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Weight - Cab, Standard Stick
11334lb
Weight - Canopy, Standard Stick
10970lb
Operating Weight
11443lb
Weight - Cab, Long Stick
11443lb

Undercarriage

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

Travel System

Ground Pressure - Cab
4.4psi
Ground Pressure - Canopy
4.3psi
Maximum Traction Force - Low Speed
10161lb
Gradeability - Maximum
30°
Travel Speed - Low
1.7mile/h
Travel Speed - High
2.7mile/h
Maximum Traction Force - High Speed
5418lb

Swing System

Note
*Automatic swing brake, spring applied, hydraulic release.
Machine Swing Speed
10r/min
Boom Swing - Right
50°
Boom Swing - Left - Without Stop*
80°
Boom Swing - Left - With Stop*
60°

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

Blade Up - Front
1676lb
Blade Down - Front
2778lb
Blade Up - Side
1257lb
Blade Down - Side
1411lb

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

Blade Up - Side
2359in
Blade Down - Front
5159lb
Blade Up - Front
3197lb
Blade Down - Side
2646in

Dimensions - Standard Stick

Dig Depth
129in
Boom Swing - Left
27in
Boom In Reach
93in
Maximum Dig Height
207in
Maximum Blade Height
16in
Maximum Blade Depth
22in
Boom Swing - Right
31in
Boom Height - Shipping Position
69in
Maximum Dump Clearance
129in
Maximum Reach
220in
Maximum Reach - Ground Level
210in
O/A Shipping Height
100in
O/A Shipping Length
204in
O/A Track Width
78in
O/A Undercarriage Length
102in
Swing Bearing - Height
24in
Tail Swing
43in
Track Belt/Shoe Width
16in
Vertical Wall
91in

Dimensions - Long Stick

Vertical Wall
104in
Tail Swing
43in
O/A Track Width
78in
O/A Shipping Length
208in
Maximum Reach - Ground Level
229in
Maximum Reach
235in
Maximum Dig Height
214in
Maximum Blade Depth
22in
Boom In Reach
100in
Track Belt/Shoe Width
16in
Swing Bearing - Height
24in
O/A Undercarriage Length
102in
O/A Shipping Height
100in
Maximum Dump Clearance
154in
Boom Swing - Right
31in
Maximum Blade Height
16in
Dig Depth
144in
Boom Swing - Left
27in
Boom Height - Shipping Position
85in

Certification - Cab and Canopy

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

Service Refill Capacities

Engine Oil
2.5gal (US)
Cooling System
2.8gal (US)
Fuel Tank
16.6gal (US)
Hydraulic Tank
18gal (US)
Hydraulic System
20.6gal (US)

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.

Hydraulic System

Pump Flow at 2,400 rpm
39.6gal/min
Digging Force - Stick - Standard
5550lb
Auxiliary Circuit - Primary (186 bar/2,734 psi)
21.1gal/min
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Digging Force - Bucket
10050lb
Operating Pressure - Travel
3553psi
Operating Pressure - Swing
3132psi
Operating Pressure - Equipment
3553psi
Digging Force - Stick - Long
4788lb
Auxiliary Circuit - Secondary (174 bar/2,524 psi)
6.6gal/min

Operating Specifications

Stick Length - Standard
52in
Stick Length - Long
67in

Cab

Note
*European Union Directive “2000/14/EC”
Exterior Sound Power Level - ISO 6395:2008*
96dB(A)
Dynamic Operator Sound Pressure Level (ISO 6396:2008)
81dB(A)

Blade

Lift Height
15.9in
Dig Depth
21.9in
Height
14.8in
Width
78in

Worktool Attachments

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

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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