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304E2 CR – ESCAVADORAS

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Descrição

A Miniescavadeira Hidráulica Cat® 304E2 CR oferece desempenho, durabilidade e versatilidade eficientes num design compacto para ajudá-lo a trabalhar nas mais variadas aplicações.

Informações Tećnicas

  • Gross Power – ISO 14396: 31.2 kW
  • Operating Weight: 4080 kg

Mais informações

Engine

  • Engine Model: Cat® C2.4
  • Net Power: 30 kW / 40.2 HP
  • Rated Net Power – 2,200 rpm – ISO 9249/EEC 80/1269: 30 kW / 40.2 HP
  • Bore: 87 mm / 3.4 in
  • Displacement: 2.4 l / 146 in³
  • Stroke: 102.4 mm / 4 in
  • Emissions: *Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
  • Gross Power – ISO 14396: 31.2 kW / 41.8 HP

Weights*

  • Operating Weight: 4080 kg / 8996 lb
  • Weight – Canopy, Standard Stick: 3925 kg / 8655 lb
  • Note: *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
  • Weight – Cab, Long Stick: 4080 kg / 8996 lb
  • Weight – Cab, Standard Stick: 4050 kg / 8930 lb
  • Weight – Canopy, Long Stick: 3955 kg / 8721 lb

Travel System

  • Maximum Traction Force – High Speed: 16.9 kN / 3799 lb
  • Maximum Traction Force – Low Speed: 31 kN / 6969 lb
  • Travel Speed – High: 5.2 km/h / 3.2 mile/h
  • Travel Speed – Low: 3.3 km/h / 2.1 mile/h
  • Gradeability – Maximum: 30°
  • Ground Pressure – Cab: 29.5 kPa / 4.3 psi
  • Ground Pressure – Canopy: 28.1 kPa / 4.1 psi

Hydraulic System

  • Auxiliary Circuit – Primary (186 bar/2,734 psi): 70 l/min / 18.5 gal/min
  • Auxiliary Circuit – Secondary (174 bar/2,524 psi): 25 l/min / 6.6 gal/min
  • Digging Force – Stick – Long: 19.5 kN / 4384 lb
  • Digging Force – Stick – Standard: 21.6 kN / 4856 lb
  • Operating Pressure – Equipment: 245 bar / 3553 psi
  • Operating Pressure – Swing: 216 bar / 3132 psi
  • Operating Pressure – Travel: 245 bar / 3553 psi
  • Pump Flow at 2,200 rpm: 100 l/min / 26.4 gal/min
  • Digging Force – Bucket: 37.8 kN / 8498 lb
  • Type: Load Sensing Hydraulics with Variable Displacement Piston Pump

Swing System

  • Machine Swing Speed: 10 r/min / 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.

Blade

  • Width: 1950 mm / 76.8 in
  • Height: 325 mm / 12.8 in
  • Dig Depth: 470 mm / 18.5 in
  • Lift Height: 400 mm / 15.7 in

Service Refill Capacities

  • Cooling System: 5.5 l / 1.5 gal (US)
  • Engine Oil: 9.5 l / 2.5 gal (US)
  • Hydraulic Tank: 42.3 l / 11.2 gal (US)
  • Fuel Tank: 46 l / 12.2 gal (US)
  • Hydraulic System: 65 l / 17.2 gal (US)

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.

Cab

  • Dynamic Operator Sound Pressure Level (ISO 6396:2008): 81 dB(A) / 81 dB(A)
  • Exterior Sound Power Level – ISO 6395:2008*: 96 dB(A) / 96 dB(A)
  • Note: *European Union Directive “2000/14/EC”

Certification – Cab and Canopy

  • Roll Over Protective Structure (ROPS): ISO 12117-2
  • Tip Over Protective Structure (TOPS): ISO 12117
  • Top Guard: ISO 10262 (Level I)

Dimensions – Long Stick

  • Boom Height – Shipping Position: 1770 mm / 70 in
  • Boom In Reach: 2220 mm / 87 in
  • Boom Swing – Left: 670 mm / 26 in
  • Boom Swing – Right: 735 mm / 29 in
  • Dig Depth: 3430 mm / 135 in
  • Maximum Blade Depth: 470 mm / 19 in
  • Maximum Blade Height: 400 mm / 16 in
  • Maximum Dig Height: 5070 mm / 200 in
  • Maximum Dump Clearance: 3690 mm / 145 in
  • Maximum Reach: 5590 mm / 220 in
  • Maximum Reach – Ground Level: 5470 mm / 215 in
  • O/A Shipping Height: 2500 mm / 98 in
  • O/A Shipping Length: 4930 mm / 194 in
  • O/A Track Width: 1950 mm / 77 in
  • O/A Undercarriage Length: 2220 mm / 87 in
  • Swing Bearing – Height: 565 mm / 22 in
  • Tail Swing: 975 mm / 38 in
  • Track Belt/Shoe Width: 350 mm / 14 in
  • Vertical Wall: 2560 mm / 101 in

Dimensions – Standard Stick

  • Boom Height – Shipping Position: 1480 mm / 58 in
  • Boom In Reach: 2110 mm / 83 in
  • Boom Swing – Left: 670 mm / 26 in
  • Boom Swing – Right: 735 mm / 29 in
  • Dig Depth: 3130 mm / 123 in
  • Maximum Blade Depth: 470 mm / 19 in
  • Maximum Blade Height: 400 mm / 16 in
  • Maximum Dig Height: 4980 mm / 196 in
  • Maximum Dump Clearance: 3590 mm / 141 in
  • Maximum Reach: 5350 mm / 211 in
  • Maximum Reach – Ground Level: 5220 mm / 206 in
  • O/A Shipping Height: 2500 mm / 98 in
  • O/A Shipping Length: 4820 mm / 190 in
  • O/A Track Width: 1950 mm / 77 in
  • O/A Undercarriage Length: 2220 mm / 87 in
  • Swing Bearing – Height: 565 mm / 22 in
  • Tail Swing: 975 mm / 38 in
  • Track Belt/Shoe Width: 350 mm / 14 in
  • Vertical Wall: 2420 mm / 95 in

Lift Capacities at Ground Level – Lift Point Radius: 3000 mm (118 in)

  • Blade Down – Front: 1570 kg / 3462 lb
  • Blade Down – Side: 910 kg / 2007 lb
  • Blade Up – Front: 820 kg / 1808 lb
  • Blade Up – Side: 820 kg / 1808 lb

Lift Capacities at Ground Level – Lift Point Radius: 4500 mm (177 in)

  • Blade Down – Front: 860 kg / 1896 lb
  • Blade Down – Side: 480 kg / 1058 lb
  • Blade Up – Front: 430 kg / 948 lb
  • Blade Up – Side: 430 kg / 948 lb

Operating Specifications

  • Machine Overhang: 0 mm / 0 in
  • Stick Length – Long: 1615 mm / 64 in
  • Stick Length – Standard: 1315 mm / 52 in

Undercarriage

  • Number of Carrier Rollers: 1
  • Number of Track Rollers: 4
  • Track Roller Type: Center Flange

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