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303.5 CR Mini Hydraulic Excavator

303.5 CR Mini Hydraulic Excavator

At a Glance

Net Power
23.6 HP
Operating Weight
9239 lb
Dig Depth
122.4 in
Engine Model
C1.7
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Overview

Engine

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Net Power 23.6HP
Engine Model C1.7
Bore 3.3in
Net Power @ 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 23.6HP
Displacement 104in³
Note Net power is tested per ISO 9249 and 80/1269/EEC.
Emissions Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Note (2) 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.
Stroke 3.9in

Weights

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Operating Weight 9239lb
Minimum Operating Weight with Canopy* 7673lb
EU: CE Plate Weight with Cab*** 8004lb
Note (3) ***CE Plate Weight is based on the most common EU configuration. Includes 75 kg (165 lb) operator and full fuel tank and excludes bucket.
Maximum Operating Weight with Cab** 9239lb
Maximum Operating Weight with Canopy** 8930lb
EU: CE Plate Weight with Canopy*** 7784lb
Minimum Operating Weight with Cab* 7982lb
Note (1) * Minimum Weight is based on fixed rubber tracks, operator, full fuel tank, standard stick, blade, bucket and no extra counterweight.
Note (2) **Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, blade, bucket and extra counterweight.

Dimensions - Long Stick

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Dig Depth 122.4in
Track Belt/Shoe Width 11.8in
Maximum Reach 216.9in
O/A Track Width 70.1in
Maximum Blade Depth 21.1in
Tail Swing without Counterweight 35in
Stick Length 61.4in
Swing Bearing - Height 22.2in
Boom Swing - Left 640°
Overall Shipping Length* 190.9in
Maximum Reach - Ground Level 211.8in
Maximum Dump Clearance 141.7in
O/A Shipping Height 97.6in
Note *Overall Shipping Length depends on blade position during shipment.
Boom In Reach 73.2in
Maximum Dig Height 197.6in
Vertical Wall 94.1in
Boom Height - Shipping Position 68.9in
Maximum Blade Height 15.2in
O/A Undercarriage Length 87.4in
Boom Swing - Right 34.3°

Blade

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Height 13.8in
Width 70.1in

Dimensions - Standard Stick

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Boom Swing - Right 34.3°
Stick Length 49.6in
Maximum Reach - Ground Level 202in
Boom Swing - Left 25.2°
Maximum Reach 207.5in
Track Belt/Shoe Width 11.8in
Maximum Dump Clearance 137.4in
Swing Bearing - Height 22.2in
Boom Height - Shipping Position 59.8in
O/A Shipping Height 97.6in
Overall Shipping Length* 189in
Boom In Reach 69.3in
Note *Overall Shipping Length depends on blade position during shipment.
Maximum Dig Height 193.7in
Vertical Wall 88.6in
Dig Depth 110.6in
O/A Undercarriage Length 87.4in
Tail Swing without Counterweight 35in
Maximum Blade Depth 21.1in
Maximum Blade Height 15.2in

Service Refill Capacities

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Fuel Tank 11.9gal (US)
Hydraulic Tank 5.3gal (US)
Cooling System 1.8gal (US)
Engine Oil 1.6gal (US)
Hydraulic System 11.9gal (US)

Travel System

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Ground Pressure - Minimum Weight 4.3psi
Maximum Traction Force - High Speed 3799lbf
Maximum Traction Force - Low Speed 6969lbf
Travel Speed - High 2.8mile/h
Gradeability - Maximum 30 degrees
Travel Speed - Low 1.6mile/h
Ground Pressure - Maximum Weight 5.2psi

Hydraulic System

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Pump Flow at 2,400 rpm 26gal/min
Auxiliary Circuit - Primary - Flow 18gal/min
Operating Pressure - Swing 2625psi
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Auxiliary Circuit - Secondary - Pressure 3553psi
Digging Force - Stick - Long 3799lbf
Auxiliary Circuit - Secondary - Flow 7gal/min
Digging Force - Bucket 7419lbf
Operating Pressure - Travel 3553psi
Operating Pressure - Equipment 3553psi
Auxiliary Circuit - Primary - Pressure 3553psi
Digging Force - Stick - Standard 4249lbf
Note *Flow and pressure are not combinable. Under load, as flow rises pressure goes down.

Sound

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Note European Union Directive ‚ "2000/14/EC"
Operator Sound Pressure (ISO 6396:2008) 78dB(A)
Average Exterior Sound Pressure (ISO 6395:2008) 94dB(A)

Weight Increase from Minimum Configuration

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Steel Tracks 287lb
Long Stick 44lb
Angle Blade 353lb

Swing System

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Machine Swing Speed 9r/min
Boom Swing - Right 50°

Certification - Cab and Canopy

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

Sustainability

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Recyclability 95%