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    320 Hydraulic Excavator
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    Engine
    Net Power - ISO 9249 172 HP 171 HP 134 HP 542 HP
    Net Power - ISO 9249 (DIN) 175 hp (metric) 174 hp (metric) 129 hp (metric) 550 hp (metric)
    Engine Model Cat C4.4 C 7.1 Cat C3.6 Cat C18
    Engine Power - ISO 14396 174 HP 174 HP 134 HP 543 HP
    Engine Power - ISO 14396 (DIN) 176 hp (metric) 176 hp (metric) 136 hp (metric) 551 hp (metric)
    Bore 4 in 4.1 in 3.9 in 6 in
    Stroke 5 in 5.3 in 5 in 7 in
    Displacement 269 in³ 427.8 in² 221 in³ 1105 in³
    Biodiesel Capability Up to B20¹ Up to B20¹ Up to B20¹ 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, Japan 2014 emission standards. Meets U.S. EPA Tier 4 Final, EU Stage V, Korea 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 2,200 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 cleaner, CEM exhaust gas aftertreatment, alternator, and cooling fan with engine speed at 2,000 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 1,700 rpm. Advertised power is tested per the specified standard in effect at time of m
    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 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 49800 lb - - 207400 lb
    Note Reach boom, R2.9 (9'6") stick, Heavy Duty (HD) 1.19 m ³ (1.56 yd³) bucket 790 mm (31") triple grouser shoes, 4200 kg (10,400 lb) counterweight. - - -
    Note (1) - - - Long Variable Gauge undercarriage, GP boom, R4.4HB2 (14'5") stick, SD 5.2 m³ (6.8 yd³) bucket, 900 mm (35") double grouser shoes and counterweight with removal device.

    Working Ranges & Forces
    Maximum Digging Depth 22 ft - - 31.9 ft
    Boom Reach 5.7 m (18'8") - - GP 8.4m (25'7")
    Stick Reach 2.9 m (9'6") - - R4.4m (14'5")
    Bucket 1.19 m ³ (1.56 yd³) - - SD 5.2m³ (6.8 yd³)
    Maximum Reach at Ground Level 32.3 ft - - 48.3 ft
    Maximum Cutting Height 30.7 ft - - 44.5 ft
    Maximum Loading Height 21.3 ft - - 30.4 ft
    Minimum Loading Height 7.1 ft - - 9.11 ft
    Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 21.5 ft - - 31.4 ft
    Maximum Vertical Wall Digging Depth 17 ft - - 22.3 ft
    Bucket Digging Force - ISO 38811 lbf - - 86100 ft·lbf
    Stick Digging Force - ISO 23911 lbf - - 68540 ft·lbf

    Hydraulic System
    Main System - Maximum Flow 429 l/min (113 gal/min) - - -
    Maximum Pressure - Equipment 5075 psi - 5076 psi 5366 psi
    Maximum Pressure - Travel 4974 psi - 5076 psi 5076 psi
    Maximum Pressure - Swing 3988 psi - 5149 psi 4496 psi
    Main System - Maximum Flow - Implement - 95 gal/min 71 gal/min 281 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 - -

    Swing Mechanism
    Maximum Swing Torque 60300 ft·lbf - 28860 ft·lbf 267333 ft·lbf
    Swing Torque - 44250 lb/ft - -
    Swing Speed - - 9.1 r/min 6.26 r/min

    Service Refill Capacities
    Fuel Tank Capacity 86.6 gal (US) - - 322 gal (US)
    Cooling System 6.6 gal (US) 10.6 gal (US) 6.3 gal (US) 19 gal (US)
    Engine Oil 4 gal (US) 3.4 gal (US) - 18 gal (US)
    Swing Drive - Each 1.6 gal (US) - - -
    Final Drive - Each 1.1 gal (US) - - 5 gal (US)
    Hydraulic System - Including Tank 61.8 gal (US) 71.3 gal (US) 58.1 gal (US) 196 gal (US)
    Hydraulic Tank 30.4 gal (US) 52.8 gal (US) 23.8 gal (US) 98 gal (US)
    DEF Tank 10.3 gal (US) - - 21 gal (US)
    Fuel Tank - 124.2 gal (US) 77.9 gal (US) -
    Diesel Exhaust Fluid (DEF) - 7.9 gal (US) 5.3 gal (US) -
    Final Drive - - 0.6 gal (US) -
    Swing Drive - - - 6 gal (US)

    Dimensions
    Boom Reach 5.7 m (18'8") VA 5.4m (17'10") 5m (16' 6") GP 8.4m (25'7")
    Stick Reach 2.9 m (9'6") 2.9m (9'2") 2.2m (7' 3") R4.4m (14'5")
    Bucket 1.19 m ³ (1.56 yd³) - 0.76m3 (.78 yd3) SD 5.2m³ (6.8 yd³)
    Shipping Height - Top of Cab 9.7 ft - 3315 ft 12 ft
    Handrail Height 9.7 ft - - 12.4 ft
    Shipping Length 31.3 ft 31.1 ft 26.9 ft 49.6 ft
    Tail Swing Radius 9.3 ft 9.2 ft 7.1 ft 15.11 ft
    Counterweight Clearance 3.4 ft 4.3 ft 4.1 ft 5.5 ft
    Ground Clearance 1.5 ft 1.25 ft 1.1 ft 2.9 ft
    Track Length 14.6 ft - - 20.1 ft
    Length to Center of Rollers 11.7 ft - - -
    Track Gauge 7.8 ft - - 11.6 ft
    Transport Width 9.8 ft - - 12.9 ft
    Shipping Height with Falling Object Guard - 11 ft - -
    Support Point - 11.3 ft - -
    Wheel Base - 9 ft 8.2 ft -
    Undercarriage Length - - 16.1 ft -
    Track Length to Center of Rollers - - - 16.1 ft
    Note - - - Track gauge undercarriage extended with 900 mm (35") shoes; transport width undercarriage retracted with 900 mm (35") shoes and no steps

    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 1.00 kg (2.2lb) 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 1.0 kg of refrigerant which has a CO2 equivalent of 1.43 metric tonnes. 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. -

    Sustainability
    Recyclability 97% - 91% 98%

    Machine Weight
    Operating Weight Maximum - 52911 lb 39683 lb -
    Operating Weight Minimum - 44750 lb 33069 lb -
    Note (1) - - Typical configurations include medium stick, 2600 kg (5,732 lb) counterweight, full fuel tank, operator, quick coupler (210 kg/463 lb), bucket (500 kg/1,102 lb) and dual pneumatic tires. -

    Transmission
    Forward/Reverse - 2nd Gear - 18.6 mile/h - -
    Forward/Reverse - 1st Gear - 5.6 mile/h - -
    Creeper Speed - 1st Gear - 3.4 mile/h - -
    Creeper Speed - 2nd Gear - 9.3 mile/h - -
    Drawbar Pull - 28551 lbf - -
    Maximum Gradeability - 70% - -

    Working Ranges and Forces
    Boom Type - VA 5.4m (17'10") VA Boom -
    Stick - 2.9m (9'2") R2.2CB (7' 3") -
    Bucket - GD 1.2 m³ (1.7 yd³) 0.76m3 (0.99 y3) GD -
    Maximum Loading Height - 24.7 ft - -
    Maximum Digging Depth - 21.8 ft - -
    Reach at Ground Level - 33.4 ft 28.4 ft -
    Vertical Wall Digging Depth - 17.3 ft 13.9 ft -
    Bucket Forces (ISO) - 33946 lbf - -
    Stick Forces (ISO) - 23605 lbf - -
    Maximum Depth Cut for 2440 mm (8 ft) Level Bottom - 21.6 ft - -
    Digging Height - - 17.4 ft -
    Dump Height - - 23 ft -
    Note (1) - - Range values are calculated with a tip radius of 1387 mm (4' 6"). CW-type bucket (358-8665, GD, 1000 mm/3' 3", 0.6 m³/0.78 yd³, with Advansys 70 tips) and CW-20S-D.4.N quick coupler. Breakout force values are calculated with a tip radius of 1224 mm (4') a -

    working Ranges and Forces
    Cutting Height - 35.8 ft - -

    Drive
    Maximum Travel Speed - - 23 mile/h -
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