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305.5E2 CR Mini Hydraulic Excavator

305.5E2 CR Mini Hydraulic Excavator

At a Glance

Engine Model
Cat® C2.4
Net Power
44.1 HP
Machine Swing Speed
10 r/min
Width
78 in
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Overview

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

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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.
Stroke 4in
Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 44.1HP
Displacement 146in³
Bore 3.4in

Swing System

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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

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

Travel System

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

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

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

Dimensions - Standard Stick

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Vertical Wall 92in
Track Belt/Shoe Width 16in
Tail Swing 44in
Swing Bearing - Height 24in
O/A Undercarriage Length 102in
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
O/A Track Width 78in
O/A Shipping Length 210in
O/A Shipping Height 100in
Maximum Reach - Ground Level 222in
Boom Height - Shipping Position 69in

Dimensions - Long Stick

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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
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
O/A Shipping Length 215in
O/A Shipping Height 100in
Maximum Reach - Ground Level 237in
Boom Height - Shipping Position 85in

Certification - Cab and Canopy

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

Cab

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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

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

Hydraulic System

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

Weights*

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

Undercarriage

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

Operating Specifications

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

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

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

Air Conditioning System

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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.