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    320 GC Hydraulic Excavator
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    M315 Wheeled Excavator
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    340 UHD Ultra High Demolition Hydraulic Excavator
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    Engine
    Net Power - ISO 9249 146 hp 145 hp 346 hp
    Net Power - ISO 9249 (DIN) 148 hp (metric) 147 hp (metric) 352 hp (metric)
    Engine Model Cat C4.4 C4.4 Cat C9.3B
    Engine Power - ISO 14396:2002 148 hp 148 hp 347 hp
    Engine Power - ISO 14396 (DIN) 150 hp (metric) 150 hp (metric) 351 hp (metric)
    Bore 4 in 4.1 in 5 in
    Stroke 5 in 127 mm 6 in
    Displacement 269 in³ 268.5 in³ 568 in³
    Biodiesel Capability Up to B20¹ Up to B20¹ Up to B20¹
    Emissions Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards Meets U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 emission standards. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
    Note (1) Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system, and alternator with engine speed at 2,000 rpm. Advertised power is tested per the specified standard in effect at the time 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 Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system, and alternator with engine speed at 1,900 rpm. Advertised power is tested per the specified standard in effect at the time
    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 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 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 48500 lb - 122600 lb
    Note Long undercarriage, Reach boom, R2.9 (9'6") stick, General Duty (GD) 1.0 m³ (1.31 yd³) bucket, 700 mm (28 in) triple grouser shoes and 4200 kg (9,300 lb) counterweight. - -
    Note (1) - - Hydraulic Variable Gauge undercarriage, 22 m (72'2") UHD front, 600 mm (24") Heavy Duty (HD) triple grouser shoes and 9.0 mt (19,842 lb) counterweight. No work tool.
    Machine Weight - Retrofit Configuration - - 118600 lb
    Note (2) - - Hydraulic Variable Gauge undercarriage, Retrofit boom, R3.2DB (10'6") stick, General Duty (GD) 2.27 m³ (2.97 yd³) bucket, 600 mm (24") HD triple grouser shoes and 9.0 mt (19,842 lb) counterweight.
    UHD in Cradle - - 18700 lb
    Retrofit Boom in Cradle - R3.9 DB Stick - - 13710 lb
    Retrofit Boom in Cradle - R3.2 DB Stick - - 13340 lb
    Retrofit Boom in Cradle - R2.8 DB Stick - - 13120 lb
    2-Piece Retrofit Boom in Cradle - R3.2 DB Stick - - 17440 lb

    Working Ranges & Forces
    Maximum Digging Depth 22 ft - -
    Boom Reach 5.7 m (18.8) - -
    Stick Reach 2.9 m (9'6") - -
    Bucket GD 1.0 m³ (1.31 yd³) - -
    Maximum Reach at Ground Level 32.3 ft - -
    Maximum Cutting Height 31 ft - -
    Maximum Loading Height 21.3 ft - -
    Minimum Loading Height 7.1 ft - -
    Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 21.6 ft - -
    Maximum Vertical Wall Digging Depth 18.7 ft - -
    Bucket Digging Force - ISO 28935 lbf - -
    Stick Digging Force - ISO 22281 lbf - -

    Hydraulic System
    Main System - Maximum Flow 442 l/min (117 gal/min) - 560 l/min (148 gal/min)
    Maximum Pressure - Equipment 5075 psi - 5076 psi
    Maximum Pressure - Travel 4974 psi - 5076 psi
    Maximum Pressure - Swing 3625 psi - 4264 psi
    Main System - Maximum Flow - Implement - 73 gal/min -
    Maximum Pressure - Implement Circuit - Heavy Lift - 5366 psi -
    Maximum Pressure - Implement Circuit - Travel Circuit - 5076 psi -
    Maximum Pressure - Implement Circuit - Normal - 5076 psi -
    Maximum Pressure - Equipment - Lift Mode - - 5511 psi

    Swing Mechanism
    Swing Speed 11.6 r/min 9.1 r/min 8 r/min
    Maximum Swing Torque 54900 ft·lbf 30340 ft·lbf 105000 ft·lbf

    Service Refill Capacities
    Fuel Tank Capacity 86.6 gal (US) - 159 gal (US)
    Cooling System 6.6 gal (US) 24 l 11 gal (US)
    Engine Oil 4 gal (US) - 9 gal (US)
    Swing Drive - Each 3.2 gal (US) - -
    Final Drive - Each 1.1 gal (US) - 2 gal (US)
    Hydraulic System - Including Tank 61.8 gal (US) 58.1 gal (US) 145 gal (US)
    Hydraulic Tank 30.4 gal (US) 23.8 gal (US) 43 gal (US)
    DEF Tank 10.3 gal (US) - 21 gal (US)
    Fuel Tank - 74 gal (US) -
    Diesel Exhaust Fluid (DEF) - 5.3 gal (US) -
    Swing Drive - - 5 gal (US)

    Dimensions
    Boom Reach 5.7 m (18'8") VA 5.2 m (17'1") -
    Stick Reach 2.9 m (9'6") 2.5m (8'2") -
    Bucket GD 1.0 m³ (1.31 yd³) GD 0.76 m³ (0.99 yd³ ) -
    Shipping Height - Top of Cab 9.7 ft 10.9 ft 11.1 ft
    Handrail Height 9.8 ft - -
    Shipping Length 31.3 ft 25.1 ft 49.9 ft
    Tail Swing Radius 9.3 ft 5.9 ft 11.6 ft
    Counterweight Clearance 3.4 ft 4.2 ft 4.6 ft
    Ground Clearance 1.5 ft 1.5 ft 1.7 ft
    Track Length 14.7 ft - 18.9 ft
    Length to Center of Rollers 11.11 ft - -
    Track Gauge 7.9 ft - -
    Transport Width 10.4 ft - 10.7 ft
    Support Point - 10.1 ft -
    Undercarriage Length - 16 ft -
    Wheel Base - 8.4 ft -
    Note (1) - - 22 m (72'2") UHD Front
    Cab Height - With OPG - - 11.8 ft
    Track Length to Center of Rollers - - 15.6 ft
    Working Gauge - Extended Position - - 11.1 ft
    Shipping Gauge - Retracted Position - - 7.8 ft
    Machine Length - without Front, with Counterweight - - 23.3 ft
    Machine Length - without Front and Counterweight - - 22.9 ft
    Track Width - Extended - - 13.1 ft
    Track Width - Retracted - - 9.8 ft
    Note (2) - - 600 mm (24") Track Shoes

    Air Conditioning System
    Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.85 kg (1.9 lb) of refrigerant which has a CO2 equivalent of 1.216 metric tonnes (1.340 tons). - The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg (2.2 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons).
    Note - The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.8 kg of refrigerant which has a CO2 equivalent of 1.144 metric tonnes. -

    Sustainability
    Recyclability 97% - -

    Machine Weight
    Operating Weight Maximum - 39680 lb -
    Operating Weight Minimum - 34610 lb -

    Transmission
    Maximum Travel Speed - 21.7 mile/h -
    Forward/Reverse - 1st Gear - 6.2 mile/h -
    Forward/Reverse - 2nd Gear - 21.7 mile/h -
    Creeper Speed - 1st Gear - 3.4 mile/h -
    Creeper Speed - 2nd Gear - 9.3 mile/h -
    Drawbar Pull - 23380 lbf -

    Working Ranges and Forces
    Boom Type - VA 5.2 m (17'1") -
    Stick - 2.5m (8'2") -
    Bucket - GD 0.76 m³ (0.99 yd³ ) -
    Dump Height - 25.2 ft -
    Cutting Height - 34.2 ft -
    Digging Height - 18.4 ft -
    Reach at Ground Level - 29.6 ft -
    Vertical Wall Digging Depth - 15 ft -
    Stick Forces (ISO) - 15961 lbf -
    Bucket Forces (ISO) - 23830 lbf -
    Maximum Pin Height at Stick Nose - - 72.2 ft
    Maximum Weight at Stick Nose - - 8160 lb
    Maximum Working Pin Height at Stick Nose - 1/2 - - 61 ft
    Maximum Working Reach at Stick Nose - 1/2 - - 38.4 ft
    Maximum Height at Stick Nose in Max Reach Position - - 41.5 ft
    Maximum Reach at Stick Nose - - 44.4 ft
    Note (1) - - 22 m (72' 2") UHD Front (Over-the-Front)

    Swing Mechanism - UHD Fronts
    Swing Speed - - 4.09 r/min

    Working Ranges and Forces - Retrofit Boom - Straight
    Note 1 - - Straight - R3.2 m (10' 6") Stick (Over-the-Front) - HVG Undercarriage
    Bucket - - GD 2.27 m³ (2.97 yd³)
    Maximum Pin Height at Stick Nose - - 39.8 ft
    Maximum Weight at Stick Nose - - 9260 lb
    Maximum Height at Stick Nose in Max Reach Position - - 7.6 ft
    Maximum Reach at Stick Nose - - 34.8 ft
    Maximum Digging Depth - - 16.1 ft
    Maximum Reach - Ground Level - - 39.9 ft
    Maximum Loading Height - - 34 ft
    Minimum Loading Height - - 15.7 ft
    Bucket Digging Force - ISO - - 47160 lbf
    Stick Digging Force - ISO - - 37300 lbf

    Working Ranges and Forces - Retrofit Boom - Bent
    Note 1 - - Bent - R3.2DB (10'6") Stick - HVG Undercarriage
    Bucket - - GD 2.27 m³ (2.97 yd³)
    Maximum Digging Depth - - 21.4 ft
    Maximum Reach - Ground Level - - 36.7 ft
    Maximum Cutting Height - - 35.4 ft
    Maximum Loading Height - - 24.9 ft
    Minimum Loading Height - - 10.4 ft
    Bucket Digging Force - ISO - - 47160 lbf
    Stick Digging Force - ISO - - 37300 lbf
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