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304 Mini Excavator

304 Mini Excavator

At a Glance

Net Power
45 hp
Operating Weight
9867 lb
Dig Depth
138.2 in
Engine Model
C1.7 Turbo
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Overview

Engine

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Net Power 45hp
Engine Model C1.7 Turbo
Gross Power - 2,400 rpm - SAE J1995:2014 48.4hp
Bore 3.3in
Emissions Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Stroke 3.9in
Displacement 101in³
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC 45hp
Note Net power advertised is the power available at the flywheel when the engine is at rated speed and rated power when the engine is installed with the factory configured fan, air intake system, exhaust system, and alternator with a minimum alternator load.

Weights

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Operating Weight 9867lb
Minimum Operating Weight with Canopy* 8655lb
Maximum Operating Weight with Canopy** 9647lb
Note (2) **Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, straight blade, extra counterweight and no bucket.
Note (1) *Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade, no bucket and no extra counterweight.
Maximum Operating Weight with Cab** 9867lb
Minimum Operating Weight with Cab* 8875lb

Dimensions - Long Stick

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Dig Depth 138.2in
Maximum Blade Depth 18.7in
O/A Shipping Height 100in
Maximum Dump Clearance 147.2in
Stick Length 66.7in
Maximum Dig Height 201.8in
Maximum Reach - Ground Level 214.4in
Track Width 66.9in
Tail Swing with Counterweight 51.2in
Swing Bearing - Height 21.9in
Boom Height - Shipping Position 75.2in
Boom Swing - Left 20.9in
Maximum Reach 219.3in
Boom In Reach 92.1in
Boom Swing - Right 28.7in
Track Belt/Shoe Width 13.8in
Vertical Wall 99.8in
Maximum Blade Height 16.5in
Note *Overall Shipping Length depends on blade position during shipment.
Overall Shipping Length* 194.9in
Ground Clearance 12in
O/A Undercarriage Length 87in
Tail Swing without Counterweight 47.4in

Weight Increase from Minimum Configuration

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Steel Tracks 430lb
Counterweight 496lb
Angle Blade 243lb
Long Stick 66lb

Travel System

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Ground Pressure - Minimum Weight 4.2psi
Maximum Traction Force - Low Speed 7329lbf
Travel Speed - Low 2.2mile/h
Ground Pressure - Maximum Weight 4.9psi
Travel Speed - High 3.2mile/h
Maximum Traction Force - High Speed 4271lbf
Gradeability - Maximum 30 degrees

Service Refill Capacities

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Cooling System 2.9gal (US)
Engine Oil 1.6gal (US)
Hydraulic System 17gal (US)
Fuel Tank 17gal (US)
Hydraulic Tank 14gal (US)

Hydraulic System

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Operating Pressure - Travel 3553psi
Auxiliary Circuit - Secondary - Pressure 3553psi
Digging Force - Stick - Long 4316lbf
Auxiliary Circuit - Secondary - Flow 7gal/min
Pump Flow at 2,400 rpm 25gal/min
Operating Pressure - Swing 2611psi
Auxiliary Circuit - Primary - Flow 21gal/min
Auxiliary Circuit - Primary - Pressure 3553psi
Note Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Digging Force - Stick - Standard 4721lbf
Digging Force - Bucket 8588lbf
Operating Pressure - Equipment 3553psi

Swing System

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Boom Swing - Right 50 Degrees
Machine Swing Speed 9r/min
Boom Swing - Left 78 Degrees

Blade

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Angle Blade Height 14.2in
Straight Blade Height 14.2in
Straight Blade Width 66.9in
Angle Blade Width 66.9in
Angle Blade - Right 25 Degrees
Angle Blade - Left 25 Degrees

Certification - Cab and Canopy

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

Sound

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Average Exterior Sound Pressure (ISO 6395:2008) 97dB(A)
Operator Sound Pressure (ISO 6396:2008) 76dB(A)
Note European Union Directive “2000/14/EC”

Dimensions - Standard Stick

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Maximum Reach - Ground Level 204.7in
Vertical Wall 94.3in
Note *Overall Shipping Length depends on blade position during shipment.
Tail Swing with Counterweight 51.2in
Boom In Reach 88.8in
Dig Depth 126.4in
Maximum Dig Height 198.4in
Maximum Blade Height 16.5in
Swing Bearing - Height 21.9in
Boom Swing - Left 20.9in
Stick Length 54.9in
O/A Undercarriage Length 87in
Track Belt/Shoe Width 13.8in
Boom Height - Shipping Position 63.8in
Boom Swing - Right 28.7in
Maximum Dump Clearance 143.5in
Ground Clearance 12in
Maximum Reach 209.8in
O/A Shipping Height 100in
Tail Swing without Counterweight 47.4in
Maximum Blade Depth 18.7in
Overall Shipping Length* 194.9in

Sustainability

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Recyclability 96%