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    340 UHD Ultra High Demolition Hydraulic Excavator
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    Cat® 352 UHD Ultra High Demolition Hydraulic Excavator
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    M320 Wheeled Excavator
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    M315 Wheeled Excavator
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    Weights
    Operating Weight 122600 lb 143300 lb - -
    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. Hydraulic Variable Gauge undercarriage, 28 m (91'10") UHD front, 600 mm (24") triple grouser shoes and 12.0 mt (26,455 lb) counterweight. No work tool. - -
    Machine Weight - Retrofit Configuration 118600 lb 139300 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 26000 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 - - -
    Note (3) - Hydraulic Variable Gauge undercarriage, Retrofit boom, R3.35TB (11'0") stick, HD 2.41 m³ ( 3.15 yd³) bucket, 600 mm (24") triple grouser shoes and 12.0 mt (26,455 lb) counterweight. - -
    Retrofit Boom in Cradle - R3.9 TB Stick - 16310 lb - -
    Retrofit Boom in Cradle - R3.35 TB Stick - 15950 lb - -
    Retrofit Boom in Cradle - R2.9 TB Stick - 15760 lb - -

    Working Ranges and Forces
    Maximum Pin Height at Stick Nose 72.2 ft 90.8 ft - -
    Maximum Weight at Stick Nose 8160 lb 8157 lb - -
    Maximum Working Pin Height at Stick Nose - 1/2 61 ft 75.2 ft - -
    Maximum Working Reach at Stick Nose - 1/2 38.4 ft 45.4 ft - -
    Maximum Height at Stick Nose in Max Reach Position 41.5 ft 52.9 ft - -
    Maximum Reach at Stick Nose 44.4 ft 51.7 ft - -
    Note (1) 22 m (72' 2") UHD Front (Over-the-Front) 28 m (91' 10") UHD Front Over-the-Front 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"). -
    Boom Type - - VA Boom VA 5.2 m (17'1")
    Bucket - - 0.98 m³ GD (1.28 yd³) GD 0.76 m³ (0.99 yd³ )
    Stick - - 2.5 m (8' 2") 2.5m (8'2")
    Reach at Ground Level - - 30.5 ft 29.6 ft
    Vertical Wall Digging Depth - - 13.9 ft 15 ft
    Cutting Height - - 32.6 ft 34.2 ft
    Bucket Forces (ISO) - - 30799 lbf 23830 lbf
    Stick Forces (ISO) - - 20682 lbf 15961 lbf
    Dump Height - - - 25.2 ft
    Digging Height - - - 18.4 ft

    Engine
    Engine Model Cat C9.3B Cat C13 C4.4 C4.4
    Net Power - ISO 9249 346 hp 424 hp 171 hp 145 hp
    Engine Power - ISO 14396 (DIN) 351 hp (metric) 431 hp (metric) 176 hp (metric) 150 hp (metric)
    Engine Power - ISO 14396:2002 347 hp 425 hp 174 hp 148 hp
    Net Power - ISO 9249 (DIN) 352 hp (metric) 430 hp (metric) 174 hp (metric) 147 hp (metric)
    Bore 5 in 5 in 4 in 4.1 in
    Stroke 6 in 6 in 5.3 in 127 mm
    Displacement 568 in³ 763 in³ 268.5 in³ 268.5 in³
    Biodiesel Capability Up to B20¹ 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. 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 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 intake system, exhaust system, and alternator with engine speed at 1,800 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 2,200 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 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

    Hydraulic System
    Main System - Maximum Flow 560 l/min (148 gal/min) 779 l/min (206 gal/min) - -
    Maximum Pressure - Equipment 5076 psi 5076 psi 5366 psi -
    Maximum Pressure - Equipment - Lift Mode 5511 psi 5511 psi - -
    Maximum Pressure - Travel 5076 psi 5076 psi 5076 gal/min -
    Maximum Pressure - Swing 4264 psi 3771 psi 5729 gal/min -
    Main System - Maximum Flow - Implement - - 81 gal/min 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

    Swing Mechanism - UHD Fronts
    Swing Speed 4.09 r/min 4.22 r/min - -

    Swing Mechanism
    Swing Speed 8 r/min 8.44 r/min 9.2 r/min 9.1 r/min
    Maximum Swing Torque 105000 ft·lbf 139000 ft·lbf 37000 ft·lbf 30340 ft·lbf

    Service Refill Capacities
    Fuel Tank Capacity 159 gal (US) 188.9 gal (US) - -
    Cooling System 11 gal (US) 13.7 gal (US) 8.4 gal (US) 24 l
    Engine Oil 9 gal (US) 10.6 gal (US) - -
    Swing Drive 5 gal (US) - - -
    Final Drive - Each 2 gal (US) 2.5 gal (US) - -
    Hydraulic System - Including Tank 145 gal (US) 145.3 gal (US) 71.3 gal (US) 58.1 gal (US)
    Hydraulic Tank 43 gal (US) 57.3 gal (US) 40.9 gal (US) 23.8 gal (US)
    DEF Tank 21 gal (US) 12.2 gal (US) - -
    Swing Drive - Each - 2.8 gal (US) - -
    Diesel Exhaust Fluid (DEF) - - 7.9 gal (US) 5.3 gal (US)
    Final Drive - - 0.7 gal (US) -
    Fuel Tank - - 124.2 gal (US) 74 gal (US)

    Dimensions
    Note (1) 22 m (72'2") UHD Front 28 m (91'10") UHD Front - -
    Shipping Height - Top of Cab 11.1 ft 11.1 ft 11 ft 10.9 ft
    Cab Height - With OPG 11.8 ft 11.8 ft - -
    Shipping Length 49.9 ft 61.8 ft 29.3 ft 25.1 ft
    Tail Swing Radius 11.6 ft 12.3 ft 8.5 ft 5.9 ft
    Counterweight Clearance 4.6 ft 4.7 ft 4.3 ft 4.2 ft
    Ground Clearance 1.7 ft 1.7 ft 1.4 ft 1.5 ft
    Track Length 18.9 ft 18.9 ft - -
    Track Length to Center of Rollers 15.6 ft 15.6 ft - -
    Working Gauge - Extended Position 11.1 ft 11.2 ft - -
    Shipping Gauge - Retracted Position 7.8 ft 7.9 ft - -
    Transport Width 10.7 ft 10.7 ft - -
    Machine Length - without Front, with Counterweight 23.3 ft 25.5 ft - -
    Machine Length - without Front and Counterweight 22.9 ft 24.9 ft - -
    Track Width - Extended 13.1 ft 13.1 ft - -
    Track Width - Retracted 9.8 ft 9.8 ft - -
    Note (2) 600 mm (24") Track Shoes 600 mm (24") Track Shoes - -
    Boom - - 5260 mm (17'3") VA 5.2 m (17'1")
    Bucket - - 0.98 m³ GD (1.28 yd³) GD 0.76 m³ (0.99 yd³ )
    Stick - - 2.5 m (8' 2") 2.5m (8'2")
    Support Point - - 11.8 ft 10.1 ft
    Wheel Base - - 8.9 ft 8.4 ft
    Undercarriage Length - - - 16 ft

    Working Ranges and Forces - Retrofit Boom - Straight
    Note 1 Straight - R3.2 m (10' 6") Stick (Over-the-Front) - HVG Undercarriage Straight - R3.35 m (11'0") Stick (Over-the-Front) - -
    Bucket GD 2.27 m³ (2.97 yd³) GD 3.08 m³ (4.03 yd³) - -
    Maximum Pin Height at Stick Nose 39.8 ft 39.8 ft - -
    Maximum Weight at Stick Nose 9260 lb 13190 lb - -
    Maximum Height at Stick Nose in Max Reach Position 7.6 ft 7.7 ft - -
    Maximum Reach at Stick Nose 34.8 ft 36.5 ft - -
    Maximum Digging Depth 16.1 ft 17 ft - -
    Maximum Reach - Ground Level 39.9 ft 41.9 ft - -
    Maximum Loading Height 34 ft 33.6 ft - -
    Minimum Loading Height 15.7 ft 15 ft - -
    Bucket Digging Force - ISO 47160 lbf 60250 lbf - -
    Stick Digging Force - ISO 37300 lbf 44740 lbf - -

    Working Ranges and Forces - Retrofit Boom - Bent
    Note 1 Bent - R3.2DB (10'6") Stick - HVG Undercarriage Bent - R3.35 m (11'0") Stick - -
    Bucket GD 2.27 m³ (2.97 yd³) GD 3.08 m³ (4.03 yd³) - -
    Maximum Digging Depth 21.4 ft 21.9 ft - -
    Maximum Reach - Ground Level 36.7 ft 39 ft - -
    Maximum Cutting Height 35.4 ft 35.1 ft - -
    Maximum Loading Height 24.9 ft 24.6 ft - -
    Minimum Loading Height 10.4 ft 10 ft - -
    Bucket Digging Force - ISO 47160 lbf 60250 lbf - -
    Stick Digging Force - ISO 37300 lbf 44740 lbf - -

    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 1.0 kg (2.2 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 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 of refrigerant which has a CO2 equivalent of 1.430 metric tonnes. - -
    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. 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.

    Machine Weight
    Operating Weight Maximum - - 46740 lb 39680 lb
    Operating Weight Minimum - - 41450 lb 34610 lb

    Transmission
    Maximum Travel Speed - - 21.7 mile/h 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
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