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    301.7 CR Mini Hydraulic Excavator
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    M320 Wheeled Excavator
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    Engine
    Net Power 21 HP - -
    Engine Model C1.1 C4.4 -
    Displacement 69 in³ 268.5 in³ -
    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. - -
    Note (1) Advertised power is tested per the specified standard in effect at the time of manufacture. Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, CEM exhaust gas aftertreatment, alternator, and cooling fan with engine speed at 2,200 rpm. Advertised power is tested per the specified standar -
    Engine Power 21.6 HP - -
    Emissions Meets U.S. EPA Tier 4 Final and EU Stage V emission standards. Meets U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 emission standards. -
    Bore 3 in 4 in -
    Stroke 3.2 in 5.3 in -
    Engine Power - ISO 14396 - 174 HP -
    Engine Power - ISO 14396 (DIN) - 176 hp (metric) -
    Net Power - ISO 9249 - 171 HP -
    Net Power - ISO 9249 (DIN) - 174 hp (metric) -
    Biodiesel Capability - Up to B20¹ -
    Note (2) - ¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO -

    Weights
    Operating Weight 4222 lb - -
    Note (2) **Maximum Weight is based on steel tracks, operator, expandable undercarriage and full fuel tank. - -
    Note (1) *Minimum Weight is based on rubber tracks, operator, expandable undercarriage and full fuel tank. - -
    Minimum Operating Weight with Canopy* 3946 lb - -
    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 Canopy** 4222 lb - -
    EU: CE Plate Weight*** 4167 lb - -

    Dimensions - Long Stick
    Dig Depth 100 in - -
    Tail Swing 25.6 in - -
    O/A Shipping Height 90.6 in - -
    Maximum Blade Height 10.6 in - -
    Minimum Ground Clearance Below Undercarriage 5.5 in - -
    Boom Height - Shipping Position 40.9 in - -
    Maximum Dump Clearance 98.8 in - -
    Track Belt/Shoe Width 9.1 in - -
    Track Width - Expanded 51.18 in - -
    Maximum Reach - Ground Level 159.8 in - -
    Stick Length 45.7 in - -
    Vertical Wall 74.4 in - -
    Track Width - Retracted 39 in - -
    Boom Swing - Right 50 ° - -
    Maximum Reach 162.6 in - -
    Boom In Reach 63.8 in - -
    Overall Shipping Length* 141.3 in - -
    Maximum Blade Depth 10.4 in - -
    O/A Undercarriage Length 62.6 in - -
    Maximum Dig Height 137.4 in - -
    Swing Bearing - Height 17.4 in - -
    Boom Swing - Left 65 ° - -
    Note *Overall Shipping Length depends on blade position during shipment. - -

    Blade
    Height 8.9 in - -
    Width* 39 in - -
    Note *Expanded – 1300 mm (51 in) - -

    Travel System
    Gradeability - Maximum 30 degrees - -
    Ground Pressure - Minimum Weight 4 psi - -
    Maximum Traction Force - High Speed 2675.2 lbf - -
    Travel Speed - High 2.7 mile/h - -
    Ground Pressure - Maximum Weight 4.4 psi - -
    Travel Speed - Low 1.8 mile/h - -
    Maximum Traction Force - Low Speed 4136.5 lbf - -

    Service Refill Capacities
    Hydraulic System 6.9 gal (US) - -
    Fuel Tank 5.8 gal (US) 124.2 gal (US) -
    Engine Oil 1.2 gal (US) - -
    Hydraulic Tank 4.8 gal (US) 40.9 gal (US) -
    Cooling System 1 gal (US) 8.4 gal (US) -
    Diesel Exhaust Fluid (DEF) - 7.9 gal (US) -
    Hydraulic System - Including Tank - 71.3 gal (US) -
    Final Drive - 0.7 gal (US) -

    Sound
    Note European Union Directive “2000/14/EC” - -
    Average Exterior Sound Pressure (ISO 6395:2008) 93 dB(A) - -

    Dimensions - Standard Stick
    Note *Overall Shipping Length depends on blade position during shipment. - -
    Track Belt/Shoe Width 9.1 in - -
    Track Width - Expanded 51.18 in - -
    O/A Undercarriage Length 62.6 in - -
    Maximum Reach - Ground Level 153.5 in - -
    Boom Height - Shipping Position 42.9 in - -
    Maximum Reach 156.3 in - -
    Dig Depth 92.5 in - -
    Maximum Dump Clearance 96.5 in - -
    Maximum Blade Height 10.6 in - -
    Tail Swing 25.6 in - -
    Boom In Reach 64.2 in - -
    Minimum Ground Clearance Below Undercarriage 5.5 in - -
    O/A Shipping Height 90.6 in - -
    Swing Bearing - Height 17.4 in - -
    Stick Length 37.8 in - -
    Vertical Wall 70.9 in - -
    Boom Swing - Right 50 ° - -
    Track Width - Retracted 39 in - -
    Maximum Dig Height 135 in - -
    Overall Shipping Length* 142.5 in - -
    Boom Swing - Left 65 ° - -
    Maximum Blade Depth 10.4 in - -

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

    Weight Increase from Minimum Configuration
    Expandable Undercarriage Standard - -
    Steel Tracks 110 lb - -
    Long Stick 22 lb - -
    Heavy Counterweight 148 lb - -

    Hydraulic System
    Auxiliary Circuit - Primary - Pressure 3553.4 psi - -
    Auxiliary Circuit - Secondary - Pressure 3553.4 psi - -
    Auxiliary Circuit - Secondary - Flow 3.7 gal/min - -
    Auxiliary Circuit - Primary - Flow 8.7 gal/min - -
    Digging Force - Stick - Long 1865.9 lbf - -
    Operating Pressure - Equipment 3553.4 psi - -
    Operating Pressure - Swing 2132.1 psi - -
    Digging Force - Stick - Standard 2135.7 lbf - -
    Pump Flow at 2,400 rpm 17.4 gal/min - -
    Digging Force - Bucket 3641.9 lbf - -
    Operating Pressure - Travel 3553.4 psi - -
    Type Load Sensing Hydraulics with Variable Displacement Piston Pump - -
    Main System - Maximum Flow - Implement - 81 gal/min -
    Maximum Pressure - Equipment - 5366 psi -
    Maximum Pressure - Swing - 5729 gal/min -
    Maximum Pressure - Travel - 5076 gal/min -

    Sustainability
    Recyclability 95% - -

    Swing System
    Machine Swing Speed 9.8 r/min - -

    Machine Weight
    Operating Weight Maximum - 46740 lb -
    Operating Weight Minimum - 41450 lb -

    Transmission
    Maximum Travel Speed - 21.7 mile/h -

    Dimensions
    Boom - 5260 mm (17'3") -
    Bucket - 0.98 m³ GD (1.28 yd³) -
    Stick - 2.5 m (8' 2") -
    Shipping Height - Top of Cab - 11 ft -
    Shipping Length - 29.3 ft -
    Counterweight Clearance - 4.3 ft -
    Ground Clearance - 1.4 ft -
    Support Point - 11.8 ft -
    Tail Swing Radius - 8.5 ft -
    Wheel Base - 8.9 ft -

    Working Ranges and Forces
    Boom Type - VA Boom -
    Bucket - 0.98 m³ GD (1.28 yd³) -
    Stick - 2.5 m (8' 2") -
    Reach at Ground Level - 30.5 ft -
    Vertical Wall Digging Depth - 13.9 ft -
    Cutting Height - 32.6 ft -
    Bucket Forces (ISO) - 30799 lbf -
    Stick Forces (ISO) - 20682 lbf -
    Note (1) - Range values are with dual pneumatic tires (10.00-20). Range values are calculated with a GD bucket (CW) and CW-30 quick coupler with a tip radius of 1535 mm (5'0"). -

    Swing Mechanism
    Swing Speed - 9.2 r/min -
    Maximum Swing Torque - 37000 ft·lbf -

    Air Conditioning System
    Note - The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.85 kg of refrigerant which has a CO2 equivalent of 1.216 metric tonnes. -
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