305.5E2 CR Mini Hydraulic Excavator

305.5E2 CR Mini Hydraulic Excavator

The Cat® 305.5E2 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
44.1HP
Engine Model
Cat® C2.4
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269
44.1HP
Gross Power - ISO 14396
45.7HP
Emissions
Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
Bore
3.4in
Stroke
4in
Displacement
146in³
Weights*
Operating Weight
11958lb
Note
*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Weight - Canopy, Standard Stick
11503lb
Weight - Cab, Long Stick
11958lb
Weight - Cab, Standard Stick
11863lb
Weight - Canopy, Long Stick
11596lb
Dimensions - Long Stick
Dig Depth
152in
Boom Swing - Right
31in
O/A Shipping Length
215in
Vertical Wall
107in
O/A Shipping Height
100in
Maximum Blade Depth
22in
Maximum Dump Clearance
161in
Maximum Reach - Ground Level
237in
Maximum Blade Height
16in
Tail Swing
44in
Swing Bearing - Height
24in
Maximum Dig Height
220in
Boom Swing - Left
27in
Track Belt/Shoe Width
16in
Maximum Reach
243in
O/A Track Width
78in
Boom In Reach
100in
O/A Undercarriage Length
102in
Boom Height - Shipping Position
85in
Swing System
Machine Swing Speed
10r/min
Boom Swing - Right
50°
Boom Swing - Left - Without Stop*
80°
Boom Swing - Left - With Stop*
60°
Note
*Automatic swing brake, spring applied, hydraulic release.
Blade
Width
78in
Height
14.8in
Dig Depth
21.9in
Lift Height
15.9in
Service Refill Capacities
Hydraulic Tank
18gal (US)
Cooling System
2.8gal (US)
Fuel Tank
16.6gal (US)
Engine Oil
2.5gal (US)
Hydraulic System
20.6gal (US)
Dimensions - Standard Stick
Boom In Reach
94in
O/A Shipping Height
100in
Dig Depth
137in
Maximum Blade Depth
22in
Track Belt/Shoe Width
16in
O/A Undercarriage Length
102in
Maximum Blade Height
16in
O/A Shipping Length
210in
Maximum Reach - Ground Level
222in
Boom Swing - Right
31in
Maximum Dig Height
210in
Vertical Wall
92in
Tail Swing
44in
Boom Height - Shipping Position
69in
Boom Swing - Left
27in
O/A Track Width
78in
Maximum Dump Clearance
150in
Swing Bearing - Height
24in
Maximum Reach
228in
Travel System
Ground Pressure - Canopy
4.5psi
Ground Pressure - Cab
4.6psi
Gradeability - Maximum
30°
Travel Speed - High
2.8mile/h
Maximum Traction Force - High Speed
6025lb
Travel Speed - Low
1.7mile/h
Maximum Traction Force - Low Speed
10746lb
Undercarriage
Number of Carrier Rollers
1
Track Roller Type
Center Flange
Number of Track Rollers
4
Lift Capacities at Ground Level - Lift Point Radius: 3000 mm (9'8”)
Blade Up - Front
3417lb
Blade Up - Side
2535lb
Blade Down - Side
2844lb
Blade Down - Front
5710lb
Operating Specifications
Counterweight
364.4lb
Stick Length - Standard
55in
Stick Length - Long
70in
Hydraulic System
Maximum Auxiliary Circuit - Primary - Pressure
3553psi
Maximum Auxiliary Circuit - Secondary - Pressure
3553psi
Maximum Auxiliary Circuit - Secondary - Flow
6.6gal/min
Maximum Auxiliary Circuit - Primary - Flow
21.1gal/min
Digging Force - Bucket
11445lb
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Travel
3553psi
Digging Force - Stick - Long
5575lb
Operating Pressure - Swing
3132psi
Operating Pressure - Equipment
3553psi
Digging Force - Stick - Standard
6500lb
Pump Flow at 2,400 rpm
39.6gal/min
Certification - Cab and Canopy
Tip Over Protective Structure (TOPS)
ISO 12117
Top Guard
ISO 10262 (Level I)
Roll Over Protective Structure (ROPS)
ISO 12117-2
Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (14'9”)
Blade Down - Front
3042lb
Blade Up - Side
1367lb
Blade Up - Front
1808lb
Blade Down - Side
1521lb
Cab
Dynamic Operator Sound Pressure Level (ISO 6396:2008)
81dB(A)
Exterior Sound Power Level - ISO 6395:2008*
97dB(A)
Note
*European Union Directive “2000/14/EC”
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.

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)
 
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
 
Other Attachments
  • Counterweight, extra
 

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