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304E2 CR Mini Hydraulic Excavator

304E2 CR Mini Hydraulic Excavator

At a Glance

Net Power
40.2 HP
Operating Weight
8996 lb
Dig Depth
135 in
Engine Model
Cat C2.4
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Overview

Engine

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Net Power 40.2HP
Engine Model Cat C2.4
Stroke 4in
Displacement 146in³
Bore 3.4in
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 40.2HP
Gross Power - ISO 14396 41.8HP
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.

Weights*

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Operating Weight 8996lb
Weight - Cab, Long Stick 8996lb
Weight - Canopy, Long Stick 8721lb
Weight - Canopy, Standard Stick 8655lb
Weight - Cab, Standard Stick 8930lb

Dimensions - Long Stick

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Dig Depth 135in
Boom Swing - Right 29in
Boom Swing - Left 26in
Boom In Reach 87in
Boom Height - Shipping Position 70in
Swing Bearing - Height 22in
O/A Undercarriage Length 87in
O/A Track Width 77in
O/A Shipping Length 194in
O/A Shipping Height 98in
Maximum Reach - Ground Level 215in
Maximum Reach 220in
Maximum Dump Clearance 145in
Maximum Dig Height 200in
Maximum Blade Height 16in
Maximum Blade Depth 19in
Vertical Wall 101in
Track Belt/Shoe Width 14in
Tail Swing 38in

Swing System

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Machine Swing Speed 10r/min

Blade

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Width 76.8in
Height 12.8in
Dig Depth 18.5in
Lift Height 15.7in

Service Refill Capacities

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Cooling System 1.5gal (US)
Engine Oil 2.5gal (US)
Hydraulic Tank 11.2gal (US)
Fuel Tank 12.2gal (US)
Hydraulic System 17.2gal (US)

Hydraulic System

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Pump Flow at 2,200 rpm 26.4gal/min
Operating Pressure - Swing 3132psi
Operating Pressure - Travel 3553psi
Operating Pressure - Equipment 3553psi
Digging Force - Stick - Standard 4856lb
Digging Force - Bucket 8498lb
Digging Force - Stick - Long 4384lb
Note Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Maximum Auxiliary Circuit - Secondary - Flow at Pump 6.6gal/min
Maximum Auxiliary Circuit - Primary - Flow at Pump 17.2gal/min
Maximum Auxiliary Circuit - Primary - Pressure at Pump 3553psi
Maximum Auxiliary Circuit - Secondary - Pressure at Pump 3553psi

Dimensions - Standard Stick

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Maximum Reach 211in
Maximum Dump Clearance 141in
Maximum Dig Height 196in
Maximum Blade Height 16in
Maximum Blade Depth 19in
Dig Depth 123in
Boom In Reach 83in
Boom Swing - Left 26in
Boom Swing - Right 29in
Vertical Wall 95in
Track Belt/Shoe Width 14in
Swing Bearing - Height 22in
Tail Swing 38in
O/A Undercarriage Length 87in
O/A Track Width 77in
O/A Shipping Length 190in
O/A Shipping Height 98in
Maximum Reach - Ground Level 206in
Boom Height - Shipping Position 58in

Travel System

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Ground Pressure - Canopy 4.1psi
Ground Pressure - Cab 4.3psi
Travel Speed - Low 2.1mile/h
Travel Speed - High 3.2mile/h
Maximum Traction Force - Low Speed 6969lb
Maximum Traction Force - High Speed 3799lb

Operating Specifications

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Stick Length - Standard 52in
Stick Length - Long 64in
Machine Overhang 0in

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

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Blade Up - Side 948lb
Blade Up - Front 948lb
Blade Down - Front 1896lb
Blade Down - Side 1058lb

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

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Blade Up - Side 1808lb
Blade Up - Front 1808lb
Blade Down - Side 2007lb
Blade Down - Front 3462lb

Cab

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Exterior Sound Power Level - ISO 6395:2008* 96dB(A)
Dynamic Operator Sound Pressure Level (ISO 6396:2008) 81dB(A)