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.

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Engine

Engine Model
Cat® C2.4
Net Power
44.1HP
Gross Power - ISO 14396
45.7HP
Emissions
Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/1269
44.1HP
Bore
3.4in
Displacement
146in³
Stroke
4in

Swing System

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

Blade

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

Dimensions - Long Stick

Maximum Reach - Ground Level
237in
Maximum Blade Depth
22in
Maximum Reach
243in
Maximum Blade Height
16in
Maximum Dig Height
220in
Maximum Dump Clearance
161in
Boom Height - Shipping Position
85in
Boom In Reach
100in
Boom Swing - Left
27in
Vertical Wall
107in
Tail Swing
44in
Track Belt/Shoe Width
16in
O/A Shipping Height
100in
O/A Shipping Length
215in
O/A Track Width
78in
O/A Undercarriage Length
102in
Swing Bearing - Height
24in
Boom Swing - Right
31in
Dig Depth
152in

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”

Certification - Cab and Canopy

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

Dimensions - Standard Stick

Maximum Dump Clearance
150in
Maximum Dig Height
210in
Maximum Blade Height
16in
Maximum Blade Depth
22in
Boom Swing - Right
31in
Track Belt/Shoe Width
16in
Dig Depth
137in
Boom Swing - Left
27in
Boom In Reach
94in
Boom Height - Shipping Position
69in
Tail Swing
44in
Swing Bearing - Height
24in
Maximum Reach - Ground Level
222in
O/A Shipping Height
100in
O/A Shipping Length
210in
O/A Track Width
78in
O/A Undercarriage Length
102in
Vertical Wall
92in
Maximum Reach
228in

Hydraulic System

Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Digging Force - Bucket
11445lb
Auxiliary Circuit - Primary (186 bar/2,734 psi)
21.1gal/min
Pump Flow at 2,400 rpm
39.6gal/min
Operating Pressure - Travel
3553psi
Operating Pressure - Swing
3132psi
Operating Pressure - Equipment
3553psi
Digging Force - Stick - Standard
6500lb
Digging Force - Stick - Long
5575lb
Auxiliary Circuit - Secondary (174 bar/2,524 psi)
6.6gal/min

Operating Specifications

Stick Length - Long
70in
Counterweight
364.4lb
Stick Length - Standard
55in

Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (14'9”)

Blade Up - Side
1367lb
Blade Up - Front
1808lb
Blade Down - Side
1521lb
Blade Down - Front
3042lb

Weights*

Weight - Cab, Standard Stick
11863lb
Weight - Canopy, Long Stick
11596lb
Weight - Cab, Long Stick
11958lb
Note
*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Operating Weight
11958lb
Weight - Canopy, Standard Stick
11503lb

Undercarriage

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

Travel System

Gradeability - Maximum
30°
Ground Pressure - Cab
4.6psi
Ground Pressure - Canopy
4.5psi
Maximum Traction Force - High Speed
6025lb
Maximum Traction Force - Low Speed
10746lb
Travel Speed - High
2.8mile/h
Travel Speed - Low
1.7mile/h

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

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.

Service Refill Capacities

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

Standard Equipment:

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