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306 CR Mini Hydraulic Excavator

306 CR Mini Hydraulic Excavator

At a Glance

Engine Model
Cat C2.4 Turbo
Net Power
55.9 HP
Operating Weight
15766 lb
Stick Length
62 in
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Overview

Engine

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Engine Model Cat C2.4 Turbo
Net Power 55.9HP
Net Power @ 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 55.9HP
Stroke 4in
Bore 3.4in
Displacement 148in³
Gross Power - ISO 14396 57.9HP

Weights

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Operating Weight 15766lb
Maximum Operating Weight with Canopy** 15633lb
Minimum Operating Weight with Canopy* 14134lb
Note (1) *Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, fixed blade and no bucket.
Minimum Operating Weight with Cab* 14266lb
Maximum Operating Weight with Cab** 15766lb
Note (2) **Maximum Weight is based on steel tracks with pads, extra counterweight, operator, full fuel tank, long stick, fixed blade and no bucket.

Dimensions - Standard Stick

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Stick Length 62in
Maximum Reach 248in
Track Belt/Shoe Width 16in
Vertical Wall 107in
Swing Bearing - Height 27in
Maximum Reach - Ground Level 241in
Maximum Blade Height 16in
Ground Clearance 12in
Boom In Reach 98in
Boom Swing - Right 36in
Transport Height 69in
Tail Swing with Counterweight 58in
Cab Height 100in
Width over Upper House 77in
Maximum Dump Clearance 170in
Tail Swing without Counterweight 53in
Boom Swing - Left 29in
O/A Undercarriage Length 102in
Maximum Dig Height 230in
Maximum Blade Depth 24in
O/A Track Width 78in
Dig Depth 146in
O/A Shipping Length 235in

Sound

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Note European Union Directive “2000/14/EC”
Average Exterior Sound Pressure (ISO 6395:2008) 99dB(A)
Operator Sound Pressure (ISO 6396:2008) 72dB(A)

Certification - Cab

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Tip Over Protective Structure (TOPS) ISO 12117:1997
Roll Over Protective Structure (ROPS) ISO 12117-2:2008
Top Guard ISO 10262:1998 (Level II)

Travel System

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Maximum Traction Force - High Speed 6969lbf
Gradeability - Maximum 30 degrees
Ground Pressure - Maximum Weight 5.7psi
Ground Pressure - Minimum Weight 5.1psi
Maximum Traction Force - Low Speed 12589lbf
Travel Speed - High 3.1mile/h
Travel Speed - Low 1.7mile/h

Weight Increase from Minimum Configuration

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Angle Blade 225lb
XTC Carriage (no tool) 141lb
Steel Tracks with Pads 827lb
Long Stick 97lb
Counterweight 551lb

Blade

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Straight Blade Height 15.4in
Angle Blade Height 15.7in
Angle Blade Width 78in
Straight Blade Width 78in

Swing System

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Machine Swing Speed 11r/min
Boom Swing - Left 60 degrees
Boom Swing - Right 65 degrees

Hydraulic System

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Pump Flow at 2,400 rpm 40gal/min
Digging Force - Stick - Long 5957lbf
Operating Pressure - Swing 3263psi
Digging Force - Stick - Standard 6632lbf
Operating Pressure - Equipment 3553psi
Auxiliary Circuit - Secondary - Pressure 3553psi
Auxiliary Circuit - Secondary - Flow 9gal/min
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Auxiliary Circuit - Primary - Pressure 3553psi
Digging Force - Bucket 11578lbf
Auxiliary Circuit - Primary - Flow 24gal/min
Operating Pressure - Travel 3553psi

Service Refill Capacities

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Fuel Tank 34.3gal (US)
Engine Oil 2.1gal (US)
Hydraulic Tank 14gal (US)
Hydraulic System 27.5gal (US)
Cooling System 2.6gal (US)

Dimensions - Long Stick

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Dig Depth 162in
Maximum Blade Height 16in
O/A Track Width 78in
Track Belt/Shoe Width 16in
Tail Swing with Counterweight 58in
Vertical Wall 125in
Boom In Reach 117in
Maximum Blade Depth 24in
Maximum Dig Height 241in
Transport Height 95in
Stick Length 78in
Ground Clearance 12in
Swing Bearing - Height 27in
Width over Upper House 77in
O/A Undercarriage Length 102in
O/A Shipping Length 234in
Cab Height 100in
Maximum Reach 263in
Boom Swing - Left 29in
Tail Swing without Counterweight 53in
Boom Swing - Right 36in
Maximum Dump Clearance 182in
Maximum Reach - Ground Level 257in

Air Conditioning System

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Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1287). The system contains 0.9 kg of refrigerant which has a CO2 equivalent of 1.287 metric tonnes.