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    325 Hydraulic Excavator
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    340 UHD Ultra High Demolition Hydraulic Excavator
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    M322
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    Engine
    Net Power - ISO 9249 172 HP 346 HP 171 HP
    Net Power - ISO 9249 (DIN) 175 hp (metric) 352 hp (metric) 174 hp (metric)
    Engine Model Cat C4.4 Cat C9.3B C 7.1
    Engine Power - ISO 14396 174 HP 347 HP 174 HP
    Engine Power - ISO 14396 (DIN) 176 hp (metric) 351 hp (metric) 176 hp (metric)
    Bore 4 in 5 in 4.1 in
    Stroke 5 in 6 in 5.3 in
    Displacement 269 in³ 568 in³ 427.8 in²
    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, and Japan 2014 emission standards. Meets U.S. EPA Tier 4 Final, EU Stage V, 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 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 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
    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 62800 lb 122600 lb -
    Note Long undercarriage, Reach boom, R2.9B1 (9'6") stick, Heavy Duty (HD) 1.19 m³ (1.56 yd³) bucket, 790 mm (31") HD triple grouser shoes and 8300 kg (18,300 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 HD 1.19 m³ (1.56 yd³) - -
    Maximum Reach at Ground Level 32.1 ft - -
    Maximum Cutting Height 36 ft - -
    Maximum Loading Height 25.11 ft - -
    Minimum Loading Height 9.9 ft - -
    Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 21.5 ft - -
    Maximum Vertical Wall Digging Depth 16 ft - -
    Bucket Digging Force - ISO 33720 lbf - -
    Stick Digging Force - ISO 23830 lbf - -

    Hydraulic System
    Main System - Maximum Flow - Implement 429 L/min (113 gal/min) - 95 gal/min
    Maximum Pressure - Equipment - Normal 5075 psi - -
    Maximum Pressure - Equipment - Lift Mode 5510 psi 5511 psi -
    Maximum Pressure - Travel 5075 psi 5076 psi -
    Maximum Pressure - Swing 3988 psi 4264 psi -
    Main System - Maximum Flow - 560 l/min (148 gal/min) -
    Maximum Pressure - Equipment - 5076 psi -
    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
    Swing Speed 11.12 r/min 8 r/min -
    Maximum Swing Torque 60360 ft·lbf 105000 ft·lbf -
    Swing Torque - - 44250 lb/ft

    Service Refill Capacities
    Fuel Tank Capacity 82.7 gal (US) 159 gal (US) -
    Cooling System 3.1 gal (US) 11 gal (US) -
    Engine Oil 4 gal (US) 9 gal (US) 3.4 gal (US)
    Swing Drive 1.5 gal (US) 5 gal (US) -
    Final Drive - Each 1.2 gal (US) 2 gal (US) -
    Hydraulic System - Including Tank 60.8 gal (US) 145 gal (US) 71.3 gal (US)
    Hydraulic Tank 29.4 gal (US) 43 gal (US) -
    DEF Tank 6.9 gal (US) 21 gal (US) -
    Fuel Tank - - 124.2 gal (US)
    Diesel Exhaust Fluid (DEF) - - 7.9 gal (US)

    Dimensions
    Boom Reach 5.7 m (18'8") - VA 5.4m (17'10")
    Stick Reach 2.9 m (9'6") - 2.9m (9'2")
    Bucket HD 1.19 m³ (1.56 yd³) - -
    Shipping Height - Top of Cab 10.1 ft 11.1 ft -
    Handrail Height 10.5 ft - -
    Shipping Length 29.2 ft 49.9 ft 31.1 ft
    Tail Swing Radius 5.11 ft 11.6 ft 9.2 ft
    Counterweight Clearance 3.3 ft 4.6 ft 4.3 ft
    Ground Clearance 1.5 ft 1.7 ft 1.25 ft
    Length to Center of Rollers 12 ft - -
    Track Length 14.7 ft 18.9 ft -
    Track Gauge 7.1 ft - -
    Transport Width - 600 mm (24”) Shoes 9.8 ft - -
    Transport Width - 790 mm (31 in) Shoes 10.4 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 -
    Transport Width - 10.7 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 -
    Shipping Height with Falling Object Guard - - 11 ft
    Support Point - - 11.3 ft
    Wheel Base - - 9 ft

    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 0.8 kg (1.8 lb) of refrigerant which has a CO2 equivalent of 1.144 metric tonnes (1.261 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 1.0 kg of refrigerant which has a CO2 equivalent of 1.43 metric tonnes.

    Sustainability
    Recyclability 98% - -

    Working Ranges and Forces
    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) -
    Boom Type - - VA 5.4m (17'10")
    Stick - - 2.9m (9'2")
    Bucket - - GD 1.2 m³ (1.7 yd³)
    Maximum Loading Height - - 24.7 ft
    Maximum Digging Depth - - 21.8 ft
    Reach at Ground Level - - 33.4 ft
    Vertical Wall Digging Depth - - 17.3 ft
    Bucket Forces (ISO) - - 33946 lbf
    Stick Forces (ISO) - - 23605 lbf
    Maximum Depth Cut for 2440 mm (8 ft) Level Bottom - - 21.6 ft

    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 -

    Machine Weight
    Operating Weight Maximum - - 52911 lb
    Operating Weight Minimum - - 44750 lb

    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
    Cutting Height - - 35.8 ft
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