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304E2 CR

Mini Excavators

The Cat® 304E2 CR Mini Hydraulic Excavator delivers efficient performance, durability and versatility in a compact design to help you work in a variety of applications.

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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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304E2 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 304E2 let you work comfortably and confidently in confined areas. The operator environment includes a hig... 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, 50 hour grease interval on fro... Read more

SAFETY

All Cat Mini Excavators from 3.5 metric tons to 10 metric tons are ROPS, TOPS and Top Guard Level 1 certified and include the Cat Interlock (hydraulic lockout) System, a... Read more

SPECIFICATIONS FOR 304E2 CR

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Engine
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
Displacement 2.4 l
Stroke 102.4 mm
Bore 87 mm
Gross Power - ISO 14396 31.2 kW
Weights*
Operating Weight 4080 kg
Weight - Canopy, Standard Stick 3925 kg
Weight - Canopy, Long Stick 3955 kg
Weight - Cab, Long Stick 4080 kg
Weight - Cab, Standard Stick 4050 kg
Travel System
Maximum Traction Force - High Speed 16.9 kN
Maximum Traction Force - Low Speed 31 kN
Travel Speed - High 5.2 km/h
Travel Speed - Low 3.3 km/h
Ground Pressure - Canopy 28.1 kPa
Ground Pressure - Cab 29.5 kPa
Hydraulic System
Digging Force - Stick - Long 19.5 kN
Note Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Digging Force - Stick - Standard 21.6 kN
Operating Pressure - Travel 245 bar
Operating Pressure - Equipment 245 bar
Operating Pressure - Swing 216 bar
Pump Flow at 2,200 rpm 100 l/min
Maximum Auxiliary Circuit - Secondary - Flow at Pump 25 l/min
Maximum Auxiliary Circuit - Primary - Flow at Pump 65 l/min
Maximum Auxiliary Circuit - Primary - Pressure at Pump 24500 kPa
Maximum Auxiliary Circuit - Secondary - Pressure at Pump 24500 kPa
Digging Force - Bucket 37.8 kN
Swing System
Machine Swing Speed 10 r/min
Blade
Width 1950 mm
Height 325 mm
Dig Depth 470 mm
Lift Height 400 mm
Service Refill Capacities
Cooling System 5.5 l
Engine Oil 9.5 l
Hydraulic Tank 42.3 l
Fuel Tank 46 l
Hydraulic System 65 l
Dimensions - Long Stick
Dig Depth 3430 mm
Maximum Dig Height 5070 mm
Maximum Reach 5590 mm
Vertical Wall 2560 mm
O/A Shipping Height 2500 mm
Boom Swing - Right 735 mm
Maximum Blade Depth 470 mm
O/A Track Width 1950 mm
Maximum Dump Clearance 3690 mm
Swing Bearing - Height 565 mm
Boom Height - Shipping Position 1770 mm
Track Belt/Shoe Width 350 mm
O/A Shipping Length 4930 mm
Maximum Reach - Ground Level 5470 mm
O/A Undercarriage Length 2220 mm
Maximum Blade Height 400 mm
Tail Swing 975 mm
Boom Swing - Left 670 mm
Boom In Reach 2220 mm
Dimensions - Standard Stick
Maximum Dig Height 4980 mm
Swing Bearing - Height 565 mm
Maximum Dump Clearance 3590 mm
Boom Swing - Left 670 mm
Boom In Reach 2110 mm
Maximum Blade Depth 470 mm
O/A Shipping Height 2500 mm
Maximum Reach 5350 mm
Vertical Wall 2420 mm
Maximum Reach - Ground Level 5220 mm
Track Belt/Shoe Width 350 mm
Maximum Blade Height 400 mm
O/A Track Width 1950 mm
Boom Height - Shipping Position 1480 mm
O/A Undercarriage Length 2220 mm
Dig Depth 3130 mm
Tail Swing 975 mm
O/A Shipping Length 4820 mm
Boom Swing - Right 735 mm
Operating Specifications
Stick Length - Long 1615 mm
Machine Overhang mm
Stick Length - Standard 1315 mm
Lift Capacities at Ground Level - Lift Point Radius: 3000 mm (118 in)
Blade Up - Side 820 kg
Blade Down - Side 910 kg
Blade Up - Front 820 kg
Blade Down - Front 1570 kg
Cab
Dynamic Operator Sound Pressure Level (ISO 6396:2008) 81 dB(A)
Exterior Sound Power Level - ISO 6395:2008* 96 dB(A)
Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (177 in)
Blade Up - Front 430 kg
Blade Down - Side 480 kg
Blade Down - Front 860 kg
Blade Up - Side 430 kg
Sistem Hidraulik
Sirkuit Bantu - Sekunder (174 bar/2524 psi) l/min

SELECT MODELS TO COMPARE

Mini Excavators

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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Mini Excavators

307

Engine Model Cat C2.4 DI Turbo
Net Power 34.9 kW
Net Power - 2,400 rpm - ISO 9249/SAE J1349 34.9 kW
Gross Power - SAE J1995 36.5 kW
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Mini Excavators

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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Mini Excavators

307.5

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

305 CR

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

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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