305.5E2 CR Mini Hydraulic Excavator

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

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

Dimensions - Standard Stick

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

Dimensions - Long Stick

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

Certification - Cab and Canopy

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

Cab

Note
*European Union Directive “2000/14/EC”
Exterior Sound Power Level - ISO 6395:2008*
97dB(A)
Dynamic Operator Sound Pressure Level (ISO 6396:2008)
81dB(A)

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)

Hydraulic System

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

Travel System

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

Weights*

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

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

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

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

Blade Down - Front
5710lb
Blade Down - Side
2844lb
Blade Up - Front
3417lb
Blade Up - Side
2535lb

Operating Specifications

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

Undercarriage

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

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:

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