Cat Mini Excavators 305E2 CR

Cat Mini Excavators 305E2 CR

Overall Weight 5185.0 kg
Engine Power 30.0 kW
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Overview

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.

Engine

Units:

Engine ModelCat® C2.4 | Cat® C2.4
Net Power40.2 HP | 30.0 kW
Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/126940.2 HP | 30.0 kW
Bore3.4 in | 87.0 mm
Displacement146.0 in³ | 2.4 l
Stroke4.0 in | 102.4 mm
EmissionsMeets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards. | Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
Gross Power - ISO 1439641.8 HP | 31.2 kW

Weights*

Operating Weight11443.0 lb | 5185.0 kg
Weight - Canopy, Standard Stick10970.0 lb | 4975.0 kg
Note*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines. | *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Weight - Cab, Long Stick11443.0 lb | 5185.0 kg
Weight - Cab, Standard Stick11334.0 lb | 5140.0 kg
Weight - Canopy, Long Stick11069.0 lb | 5020.0 kg

Travel System

Maximum Traction Force - High Speed5418.0 lb | 24.1 kN
Maximum Traction Force - Low Speed10161.0 lb | 45.2 kN
Travel Speed - High2.7 mile/h | 4.4 km/h
Travel Speed - Low1.7 mile/h | 2.8 km/h
Gradeability - Maximum30° | 30°
Ground Pressure - Cab4.4 psi | 30.5 kPa
Ground Pressure - Canopy4.3 psi | 29.5 kPa

Hydraulic System

Auxiliary Circuit - Primary (186 bar/2,734 psi)21.1 gal/min | 80.0 l/min
Auxiliary Circuit - Secondary (174 bar/2,524 psi)6.6 gal/min | 25.0 l/min
Digging Force - Stick - Long4788.0 lb | 21.3 kN
Digging Force - Stick - Standard5550.0 lb | 24.7 kN
Operating Pressure - Equipment3553.0 psi | 245.0 bar
Operating Pressure - Swing3132.0 psi | 216.0 bar
Operating Pressure - Travel3553.0 psi | 245.0 bar
Pump Flow at 2,400 rpm39.6 gal/min | 150.0 l/min
Digging Force - Bucket10050.0 lb | 44.7 kN
TypeLoad Sensing Hydraulics with Variable Displacement Piston Pump | Load Sensing Hydraulics with Variable Displacement Piston Pump

Swing System

Machine Swing Speed10.0 r/min | 10.0 r/min
Boom Swing - Left - With Stop*60° | 60°
Boom Swing - Left - Without Stop*80° | 80°
Boom Swing - Right50° | 50°
Note*Automatic swing brake, spring applied, hydraulic release. | *Automatic swing brake, spring applied, hydraulic release.

Blade

Width78.0 in | 1980.0 mm
Height14.8 in | 375.0 mm
Dig Depth21.9 in | 555.0 mm
Lift Height15.9 in | 405.0 mm

Service Refill Capacities

Cooling System2.8 gal (US) | 10.5 l
Engine Oil2.5 gal (US) | 9.5 l
Hydraulic Tank18.0 gal (US) | 68.3 l
Fuel Tank16.6 gal (US) | 63.0 l
Hydraulic System20.6 gal (US) | 78.0 l

Cab

Dynamic Operator Sound Pressure Level (ISO 6396:2008)81.0 dB(A) | 81.0 dB(A)
Exterior Sound Power Level - ISO 6395:2008*96.0 dB(A) | 96.0 dB(A)
Note*European Union Directive “2000/14/EC” | *European Union Directive “2000/14/EC”

Certification - Cab and Canopy

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

Dimensions - Long Stick

Boom Height - Shipping Position85.0 in | 2150.0 mm
Boom In Reach100.0 in | 2530.0 mm
Boom Swing - Left27.0 in | 695.0 mm
Boom Swing - Right31.0 in | 785.0 mm
Dig Depth144.0 in | 3670.0 mm
Maximum Blade Depth22.0 in | 555.0 mm
Maximum Blade Height16.0 in | 405.0 mm
Maximum Dig Height214.0 in | 5440.0 mm
Maximum Dump Clearance154.0 in | 3920.0 mm
Maximum Reach235.0 in | 5960.0 mm
Maximum Reach - Ground Level229.0 in | 5810.0 mm
O/A Shipping Height100.0 in | 2550.0 mm
O/A Shipping Length208.0 in | 5290.0 mm
O/A Track Width78.0 in | 1980.0 mm
O/A Undercarriage Length102.0 in | 2580.0 mm
Swing Bearing - Height24.0 in | 615.0 mm
Tail Swing43.0 in | 1100.0 mm
Track Belt/Shoe Width16.0 in | 400.0 mm
Vertical Wall104.0 in | 2630.0 mm

Dimensions - Standard Stick

Boom Height - Shipping Position69.0 in | 1750.0 mm
Boom In Reach93.0 in | 2350.0 mm
Boom Swing - Left27.0 in | 695.0 mm
Boom Swing - Right31.0 in | 785.0 mm
Dig Depth129.0 in | 3280.0 mm
Maximum Blade Depth22.0 in | 555.0 mm
Maximum Blade Height16.0 in | 405.0 mm
Maximum Dig Height207.0 in | 5250.0 mm
Maximum Dump Clearance129.0 in | 3720.0 mm
Maximum Reach220.0 in | 5600.0 mm
Maximum Reach - Ground Level210.0 in | 5330.0 mm
O/A Shipping Height100.0 in | 2550.0 mm
O/A Shipping Length204.0 in | 5180.0 mm
O/A Track Width78.0 in | 1980.0 mm
O/A Undercarriage Length102.0 in | 2580.0 mm
Swing Bearing - Height24.0 in | 615.0 mm
Tail Swing43.0 in | 1100.0 mm
Track Belt/Shoe Width16.0 in | 400.0 mm
Vertical Wall91.0 in | 2320.0 mm

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

Blade Down - Front5159.0 lb | 2340.0 kg
Blade Down - Side2646.0 in | 1200.0 kg
Blade Up - Front3197.0 lb | 1450.0 kg
Blade Up - Side2359.0 in | 1070.0 kg

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

Blade Down - Front2778.0 lb | 1260.0 kg
Blade Down - Side1411.0 lb | 640.0 kg
Blade Up - Front1676.0 lb | 760.0 kg
Blade Up - Side1257.0 lb | 570.0 kg

Operating Specifications

Stick Length - Long67.0 in | 1750.0 mm
Stick Length - Standard52.0 in | 1350.0 mm

Undercarriage

Number of Carrier Rollers3 | 3
Number of Track Rollers3 | 3
Track Roller TypeTriple Flange | Triple Flange

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