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304E2 CR


  • 304E2 CR - Mini Excavators

304E2 CR

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.

Engine Model
Cat® C2.4
Net Power
30 kW
Operating Weight
4080 kg
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304E2 CR Product Brochure pdf 333.21 KiB

FEATURES & BENEFITS

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 high quality suspension seat, easy to adjust armrests and 100% pilot controls which offer consistent and long-lasting controllability.

High Definition Hydraulic System provides a load sensing and flow sharing capability leading to operational precision, efficient performance and greater controllability. Power on Demand provides optimal efficiency and performance the moment you need it. This automatic system ensures fuel efficiency through appropriate engine rating to meet all operational needs as required.

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 greater material retention during truck loading and easier flat wall digging without having to reposition the machine.

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 easily adjust auxiliary flows to achieve the optimal work tool performance, activate auto idle or economy mode for improved fuel efficiency and utilize the security system to ensure protection of valuable assets with the simple touch of a button. The Site Reference System included in the COMPASS monitor provides output from pitch and roll sensors to aid in grading and level trenching. This impacts accuracy and productivity for job site finishing.

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 easily adjust auxiliary flows to achieve the optimal work tool performance, activate auto idle or economy mode for improved fuel efficiency and utilize the security system to ensure protection of valuable assets with the simple touch of a button. The Site Reference System included in the COMPASS monitor provides output from pitch and roll sensors to aid in grading and level trenching. This impacts accuracy and productivity for job site finishing.

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 easily adjust auxiliary flows to achieve the optimal work tool performance, activate auto idle or economy mode for improved fuel efficiency and utilize the security system to ensure protection of valuable assets with the simple touch of a button. The Site Reference System included in the COMPASS monitor provides output from pitch and roll sensors to aid in grading and level trenching. This impacts accuracy and productivity for job site finishing.

SPECIFICATION

Standard Equipment
Engine Model Cat® C2.4
Net Power 30 kW
Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 30 kW
Bore 87 mm
Displacement 2.4 l
Stroke 102.4 mm
Emissions *Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
Gross Power - ISO 14396 31.2 kW
Standard Equipment
Operating Weight 4080 kg
Weight - Canopy, Standard Stick 3925 kg
Note *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Weight - Cab, Long Stick 4080 kg
Weight - Cab, Standard Stick 4050 kg
Weight - Canopy, Long Stick 3955 kg
Standard Equipment
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
Gradeability - Maximum 30°
Ground Pressure - Cab 29.5 kPa
Ground Pressure - Canopy 28.1 kPa
Standard Equipment
Auxiliary Circuit - Primary (186 bar/2,734 psi) 70 l/min
Auxiliary Circuit - Secondary (174 bar/2,524 psi) 25 l/min
Digging Force - Stick - Long 19.5 kN
Digging Force - Stick - Standard 21.6 kN
Operating Pressure - Equipment 245 bar
Operating Pressure - Swing 216 bar
Operating Pressure - Travel 245 bar
Pump Flow at 2,200 rpm 100 l/min
Digging Force - Bucket 37.8 kN
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Standard Equipment
Machine Swing Speed 10 r/min
Boom Swing - Left - With Stop* 55°
Boom Swing - Left - Without Stop* 70°
Boom Swing - Right 50°
Note *Automatic swing brake, spring applied, hydraulic release.
Standard Equipment
Width 1950 mm
Height 325 mm
Dig Depth 470 mm
Lift Height 400 mm
Standard Equipment
Cooling System 5.5 l
Engine Oil 9.5 l
Hydraulic Tank 42.3 l
Fuel Tank 46 l
Hydraulic System 65 l
Standard Equipment
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
Dynamic Operator Sound Pressure Level (ISO 6396:2008) 81 dB(A)
Exterior Sound Power Level - ISO 6395:2008* 96 dB(A)
Note *European Union Directive “2000/14/EC”