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305.5E2 CR

Mini Excavators

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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Net Power 32.9 kW
Engine Model Cat® C2.4
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 32.9 kW
Operating Weight 5423 kg
Availability Contact Dealer
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305.5E2 CR
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OVERVIEW

Big Performance in a Mini Excavator

FEATURES & BENEFITS

QUALITY

The durable hoods and frame and the compact radius design of the 305.5E2 let you work comfortably and confidently in confined areas. The operator environment includes a h... Read more

EFFICIENCY

High Definition Hydraulic System provides a load sensing and flow sharing capability leading to operational precision, efficient performance and greater controllability.... Read more

VERSATILITY

Broad range of Cat Work Tools make the Cat Mini Excavator a versatile machine able to meet the requirements of any job site. Over 200 degrees of bucket rotation provides... Read more

PERFORMANCE

Front shovel bucket orientation provides the operator with more ways to get the job done faster. COMPASS Control Panel is a standard feature that allows the operator to e... Read more

SERVICEABILITY

Convenient service and maintenance requirements include ease of access to daily check points, 500 hour engine oil and filter change period, 500 hour grease interval on fr... Read more

SAFETY

All Cat Mini Excavators from 3.5 metric tons to 8 metric tons are ROPS, TOPS and Top Guard Level 1 certified and include the Cat Interlock (hydraulic lockout) System, a c... Read more

SPECIFICATIONS FOR 305.5E2 CR

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Engine
Net Power 32.9 kW
Engine Model Cat® C2.4
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 32.9 kW
Bore 87 mm
Stroke 102.4 mm²
Displacement 2.4 l
Gross Power - ISO 14396 34.1 kW
Emissions Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
Weights*
Operating Weight 5423 kg
Weight - Canopy, Standard Stick 5217 kg
Weight - Cab, Long Stick 5423 kg
Note *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Weight - Cab, Standard Stick 5380 kg
Weight - Canopy, Long Stick 5259 kg
Travel System
Travel Speed - High 4.5 km/h
Maximum Traction Force - High Speed 26.8 kN
Travel Speed - Low 3.3 km/h
Maximum Traction Force - Low Speed 47.8 kN
Ground Pressure - Canopy 31 kPa
Ground Pressure - Cab 31.9 kPa
Gradeability - Maximum 30°
Hydraulic System
Operating Pressure - Travel 245 bar
Digging Force - Stick - Long 24.8 kN
Operating Pressure - Swing 216 bar
Operating Pressure - Equipment 245 bar
Digging Force - Stick - Standard 28.9 kN
Pump Flow at 2,400 rpm 150 l/min
Maximum Auxiliary Circuit - Primary - Pressure 24500 kPa
Maximum Auxiliary Circuit - Secondary - Pressure 24500 kPa
Maximum Auxiliary Circuit - Secondary - Flow 25 l/min
Maximum Auxiliary Circuit - Primary - Flow 80 l/min
Digging Force - Bucket 50.9 kN
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Swing System
Machine Swing Speed 10 r/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 1980 mm
Height 375 mm
Dig Depth 555 mm
Lift Height 405 mm
Service Refill Capacities
Hydraulic Tank 68.3 l
Cooling System 10.5 l
Fuel Tank 63 l
Engine Oil 9.5 l
Hydraulic System 78 l
Dimensions - Long Stick
Dig Depth 3870 mm
Boom Swing - Right 785 mm
O/A Shipping Length 5460 mm
Vertical Wall 2730 mm
O/A Shipping Height 2550 mm
Maximum Blade Depth 555 mm
Maximum Dump Clearance 4080 mm
Maximum Reach - Ground Level 6020 mm
Maximum Blade Height 405 mm
Tail Swing 1130 mm
Swing Bearing - Height 615 mm
Maximum Dig Height 5590 mm
Boom Swing - Left 695 mm
Track Belt/Shoe Width 400 mm
Maximum Reach 6170 mm
O/A Track Width 1980 mm
Boom In Reach 2530 mm
O/A Undercarriage Length 2580 mm
Boom Height - Shipping Position 2150 mm
Operating Specifications
Stick Length - Long 1820 mm
Counterweight 165.3 kg
Stick Length - Standard 1420 mm
Dimensions - Standard Stick
Boom In Reach 2400 mm
O/A Shipping Height 2550 mm
Dig Depth 3470 mm
Maximum Blade Depth 555 mm
Track Belt/Shoe Width 400 mm
O/A Undercarriage Length 2580 mm
Maximum Blade Height 405 mm
O/A Shipping Length 5330 mm
Maximum Reach - Ground Level 5630 mm
Boom Swing - Right 785 mm
Maximum Dig Height 5330 mm
Vertical Wall 2330 mm
Tail Swing 1130 mm
Boom Height - Shipping Position 1740 mm
Boom Swing - Left 695 mm
O/A Track Width 1980 mm
Maximum Dump Clearance 3820 mm
Swing Bearing - Height 615 mm
Maximum Reach 5790 mm
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 1550 kg
Blade Up - Side 1150 kg
Blade Down - Side 1290 kg
Blade Down - Front 2590 kg
Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (14'9”)
Blade Down - Front 1380 kg
Blade Up - Side 620 kg
Blade Up - Front 820 kg
Blade Down - Side 690 kg
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
Cab
Dynamic Operator Sound Pressure Level (ISO 6396:2008) 81 dB(A)
Note *European Union Directive “2000/14/EC”
Exterior Sound Power Level - ISO 6395:2008* 97 dB(A)
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.
Sistem Hidraulik
Sirkuit Bantu - Primer (186 bar/2734 psi) l/min

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Engine Model Cat C2.4 Turbo
Net Power 34.9 kW
Operating Weight 8113 kg
Height 431 mm
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305 CR

Net Power 27.2 kW
Operating Weight 5695 kg
Dig Depth 3670 mm
Engine Model C1.7 Turbo
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306E2

Engine Model Cat® C2.4 (DI Turbo)
Net Power 34.7 kW
Gross Power - 2,200 rpm 36.5 kW
Bore 87 mm
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305.5E2

Engine Model Cat C2.4 DI
Net Power 31.1 kW
Stroke 102.4 mm
Gross Power - 2,400 rpm - SAE J1995 34.1 kW
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305E2 CR

Net Power 30 kW
Engine Model Cat C2.4
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 30 kW
Note The Cat C2.4 meets U.S. EPA Tier 4 Final emission standards for North America, EU Stage V emission standards for Europe and Tier 4 Interim emission standards for all other regions.
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304E2 CR

Net Power 30 kW
Engine Model Cat C2.4
Note The Cat C2.4 meets U.S. EPA Tier 4 Final emission standards for North America, EU Stage V emission standards for Europe and Tier 4 Interim emission standards for all other regions.
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 30 kW
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