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305E2 CR Mini Hydraulic Excavator

305E2 CR Mini Hydraulic Excavator

At a Glance

Net Power
40.2 HP
Operating Weight
11443 lb
Dig Depth
144 in
Engine Model
Cat C2.4
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The Cat® 305E2 CR Mini Hydraulic Excavator delivers high performance, durability and versatility in a compact design to help you work in a variety of applications.


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Net Power 40.2HP
Engine Model Cat C2.4
Stroke 4in
Displacement 146in³
Bore 3.4in
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 40.2HP
Gross Power - ISO 14396 41.8HP


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Operating Weight 11443lb
Weight - Cab, Standard Stick 11334lb
Weight - Cab, Long Stick 11443lb
Weight - Canopy, Long Stick 11069lb
Weight - Canopy, Standard Stick 10970lb

Dimensions - Long Stick

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Dig Depth 144in
Vertical Wall 104in
Track Belt/Shoe Width 16in
Tail Swing 43in
Swing Bearing - Height 24in
Maximum Reach - Ground Level 229in
Maximum Reach 235in
Maximum Dump Clearance 154in
Maximum Dig Height 214in
Maximum Blade Height 16in
Maximum Blade Depth 22in
Boom Swing - Right 31in
Boom Swing - Left 27in
Boom In Reach 100in
O/A Undercarriage Length 102in
O/A Track Width 78in
O/A Shipping Length 208in
O/A Shipping Height 100in
Boom Height - Shipping Position 85in

Swing System

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Machine Swing Speed 10r/min


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Width 78in
Height 14.8in
Dig Depth 21.9in
Lift Height 15.9in

Service Refill Capacities

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Cooling System 2.8gal (US)
Engine Oil 2.5gal (US)
Hydraulic Tank 18gal (US)
Fuel Tank 16.6gal (US)
Hydraulic System 20.6gal (US)

Hydraulic System

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Digging Force - Bucket 10050lb
Operating Pressure - Equipment 3553psi
Digging Force - Stick - Standard 5550lb
Digging Force - Stick - Long 4788lb
Pump Flow at 2,400 rpm 39.6gal/min
Operating Pressure - Travel 3553psi
Operating Pressure - Swing 3132psi
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 21.1gal/min
Maximum Auxiliary Circuit - Secondary - Pressure at Pump 3553psi
Maximum Auxiliary Circuit - Primary - Pressure at Pump 3553psi

Dimensions - Standard Stick

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Vertical Wall 91in
Track Belt/Shoe Width 16in
O/A Shipping Length 204in
O/A Shipping Height 100in
Maximum Reach - Ground Level 210in
Maximum Reach 220in
Maximum Dump Clearance 129in
Maximum Dig Height 207in
Maximum Blade Height 16in
Boom Swing - Left 27in
Boom In Reach 93in
Boom Height - Shipping Position 69in
Tail Swing 43in
Swing Bearing - Height 24in
O/A Undercarriage Length 102in
Maximum Blade Depth 22in
Dig Depth 129in
Boom Swing - Right 31in
O/A Track Width 78in


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

Travel System

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Travel Speed - Low 1.7mile/h
Travel Speed - High 2.7mile/h
Ground Pressure - Canopy 4.3psi
Ground Pressure - Cab 4.4psi
Maximum Traction Force - Low Speed 10161lb
Maximum Traction Force - High Speed 5418lb

Operating Specifications

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Stick Length - Long 67in
Stick Length - Standard 52in

Lift Capacities at Ground Level - Lift Point Radius: 4000 mm (13'1”)

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Blade Up - Side 1257lb
Blade Up - Front 1676lb
Blade Down - Side 1411lb
Blade Down - Front 2778lb

Lift Capacities at Ground Level - Lift Point Radius: 3000 mm (9'8”)

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Blade Up - Side 2359in
Blade Up - Front 3197lb
Blade Down - Side 2646in
Blade Down - Front 5159lb