Miniexcavatoare Cat® 304E2 CR

304E2 CR Mini Hydraulic Excavator

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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 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.

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

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 front implement, S·O·SSM oil sampling valve and overall long term durability.

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 certified accumulator which allows for auxiliary pressure to be released, making connecting and disconnecting work tools safer and easier, and a travel alarm. All of these safety features are standard on the E2 model lineup (travel alarm optional in Europe).

EFFICIENCY

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.

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

Specificatii tehnice

SPECIFICATII TEHNICE

Engine
Net Power 30 kW
Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 30 kW
Weights*
Operating Weight 4080 kg
Weight - Canopy, Standard Stick 3925 kg
Engine
Displacement 2.4 l
Stroke 102.4 mm
Bore 87 mm
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
Hydraulic System
Digging Force - Stick - Long 19.5 kN
Digging Force - Stick - Standard 21.6 kN
Auxiliary Circuit - Primary (186 bar/2,734 psi) 70 l/min
Operating Pressure - Travel 245 bar
Operating Pressure - Equipment 245 bar
Operating Pressure - Swing 216 bar
Auxiliary Circuit - Secondary (174 bar/2,524 psi) 25 l/min
Pump Flow at 2,200 rpm 100 l/min
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
Dimensions - Standard Stick
Maximum Dig Height 4980 mm
Swing Bearing - Height 565 mm
Operating Specifications
Stick Length - Long 1615 mm
Dimensions - Long Stick
Maximum Dig Height 5070 mm
Hydraulic System
Digging Force - Bucket 37.8 kN
Dimensions - Long Stick
Maximum Reach 5590 mm
Dimensions - Standard Stick
Maximum Dump Clearance 3590 mm
Weights*
Weight - Canopy, Long Stick 3955 kg
Lift Capacities at Ground Level - Lift Point Radius: 3000 mm (118 in)
Blade Up - Side 820 kg
Blade Down - Side 910 kg
Cab
Dynamic Operator Sound Pressure Level (ISO 6396:2008) 81 dB(A)
Dimensions - Long Stick
Vertical Wall 2560 mm
O/A Shipping Height 2500 mm
Lift Capacities at Ground Level - Lift Point Radius: 3000 mm (118 in)
Blade Up - Front 820 kg
Dimensions - Standard Stick
Boom Swing - Left 670 mm
Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (177 in)
Blade Up - Front 430 kg
Dimensions - Standard Stick
Boom In Reach 2110 mm
Cab
Exterior Sound Power Level - ISO 6395:2008* 96 dB(A)
Dimensions - Standard Stick
Maximum Blade Depth 470 mm
Operating Specifications
Machine Overhang mm
Dimensions - Long Stick
Boom Swing - Right 735 mm
Travel System
Ground Pressure - Canopy 28.1 kPa
Weights*
Weight - Cab, Long Stick 4080 kg
Dimensions - Long Stick
Maximum Blade Depth 470 mm
O/A Track Width 1950 mm
Dimensions - Standard Stick
O/A Shipping Height 2500 mm
Weights*
Weight - Cab, Standard Stick 4050 kg
Engine
Gross Power - ISO 14396 31.2 kW
Dimensions - Long Stick
Maximum Dump Clearance 3690 mm
Dimensions - Standard Stick
Maximum Reach 5350 mm
Vertical Wall 2420 mm
Maximum Reach - Ground Level 5220 mm
Dimensions - Long Stick
Swing Bearing - Height 565 mm
Boom Height - Shipping Position 1770 mm
Lift Capacities at Ground Level - Lift Point Radius: 3000 mm (118 in)
Blade Down - Front 1570 kg
Dimensions - Long Stick
Track Belt/Shoe Width 350 mm
O/A Shipping Length 4930 mm
Maximum Reach - Ground Level 5470 mm
O/A Undercarriage Length 2220 mm
Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (177 in)
Blade Down - Side 480 kg
Dimensions - Long Stick
Maximum Blade Height 400 mm
Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (177 in)
Blade Down - Front 860 kg
Dimensions - Long Stick
Tail Swing 975 mm
Dimensions - Standard Stick
Track Belt/Shoe Width 350 mm
Dimensions - Long Stick
Boom Swing - Left 670 mm
Dimensions - Standard Stick
Maximum Blade Height 400 mm
Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (177 in)
Blade Up - Side 430 kg
Operating Specifications
Stick Length - Standard 1315 mm
Dimensions - Standard Stick
O/A Track Width 1950 mm
Dimensions - Long Stick
Boom In Reach 2220 mm
Travel System
Ground Pressure - Cab 29.5 kPa
Dimensions - Standard Stick
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
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