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    310 Mini Hydraulic Excavator
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    340 UHD Ultra High Demolition Hydraulic Excavator
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    Engine
    Net Power 69.5 HP - -
    Note 1 Advertised power is tested per the specified standard in effect at the time of manufacture. - -
    Stroke 4.7 in 6 in -
    Note Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan. - -
    Bore 3.7 in 5 in -
    Displacement 203 in³ 568 in³ -
    Gross Power - SAE J1995:2014 74.3 HP - -
    Engine Model - U.S. EPA Tier 4 Final/EU Stage V Cat® C3.3B - -
    Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC 69.5 HP - -
    Engine Model - Cat C9.3B -
    Net Power - ISO 9249 - 346 HP -
    Engine Power - ISO 14396 (DIN) - 351 hp (metric) -
    Engine Power - ISO 14396 - 347 HP -
    Net Power - ISO 9249 (DIN) - 352 hp (metric) -
    Biodiesel Capability - Up to B20¹ -
    Emissions - 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 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 -

    Weights
    Operating Weight 22451 lb 122600 lb -
    Minimum Operating Weight with Cab* 21170 lb - -
    Maximum Operating Weight with Cab** 22451 lb - -
    Note (2) **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket. 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. -
    Note (1) *Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, long stick, blade and no bucket. 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 -
    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 -

    Dimensions
    Dig Depth 205.2 in - -
    Note (1) - 22 m (72'2") UHD Front -
    Shipping Height - Top of Cab - 11.1 ft -
    Cab Height - With OPG - 11.8 ft -
    Shipping Length - 49.9 ft -
    Tail Swing Radius - 11.6 ft -
    Counterweight Clearance - 4.6 ft -
    Ground Clearance - 1.7 ft -
    Track Length - 18.9 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 -

    Blade
    Height 17 in - -
    Width - Standard 97.2 in - -
    Width - Wide 103.9 in - -

    Hydraulic System
    Maximum Auxiliary Circuit - Primary - Pressure at Pump 4134 psi - -
    Maximum Auxiliary Circuit - Secondary - Pressure at Pump 4134 psi - -
    Maximum Auxiliary Circuit - Primary - Flow at Pump 35 gal/min - -
    Operating Pressure - Swing 3336 psi - -
    Digging Force - Bucket 17459 lb - -
    Operating Pressure - Travel 4134 psi - -
    Operating Pressure - Equipment 4134 psi - -
    Note Flow and pressure are not combinable. Under load, as flow rises pressure goes down. - -
    Digging Force - Stick 11060 lb - -
    Type Load Sensing Hydraulics with Variable Displacement Piston Pump - -
    Pump Flow at 2,400 rpm 62 gal/min - -
    Maximum Auxiliary Circuit - Secondary - Flow at Pump 9 gal/min - -
    Main System - Maximum Flow - 560 l/min (148 gal/min) -
    Maximum Pressure - Equipment - 5076 psi -
    Maximum Pressure - Equipment - Lift Mode - 5511 psi -
    Maximum Pressure - Travel - 5076 psi -
    Maximum Pressure - Swing - 4264 psi -

    Swing System
    Machine Swing Speed 10.6 r/min - -

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

    Sound
    Note European Union Directive "2000/14/EC" - -
    Average Exterior Sound Pressure (ISO 6395:2008) 99 dB(A) - -
    Operator Sound Pressure (ISO 6396:2008) 72 dB(A) - -

    Dimensions - Standard Stick
    Tail Swing without Counterweight 70.9 in - -
    Stick Length 98.4 in - -
    Boom In Reach 83.3 in - -
    Maximum Reach 303 in - -
    Dig Depth 205.2 in - -
    Ground Clearance - Frame 14 in - -
    O/A Track Width 97.2 in - -
    Cab Height 100 in - -
    Track Belt/Shoe Width 17.7 in - -
    Maximum Blade Depth 18.8 in - -
    Maximum Dump Clearance 229.5 in - -
    Maximum Dig Height 313.8 in - -
    Maximum Blade Height 16.6 in - -
    Tail Swing - Standard Counterweight 76.1 in - -
    O/A Undercarriage Length 126 in - -
    Vertical Wall 172.6 in - -
    Swing Bearing - Height 28.9 in - -
    Maximum Reach - Ground Level 298 in - -
    Overall Shipping Length - with Counterweight 274.9 in - -
    Note (2) **Boom Height when stick is pinned in working position with attachments. - -
    Note (1) *Boom Height when stick is pinned in transport position (if available) with no attachments. - -
    Overall Shipping Length - without Counterweight 269.7 in - -
    Height - Boom Transport - No Tools* 100.4 in - -
    Height - Boom Working - With Tools** 106.3 in - -

    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 of refrigerant which has a CO2 equivalent of 1.430 metric tonnes. 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). -

    Sustainability
    Recyclability 96% - -

    Weight Increase from Minimum Configuration
    Counterweight 552 lb - -
    Steel Tracks with Pads 728 lb - -

    Travel System
    Maximum Traction Force - Low Speed 19064 lb - -
    Maximum Traction Force - High Speed 6497 lb - -
    Travel Speed - High 3.1 mile/h - -
    Travel Speed - Low 1.6 mile/h - -
    Ground Pressure - Maximum Weight 6.4 psi - -
    Ground Pressure - Minimum Weight 6 psi - -
    Gradeability - Maximum 30 degrees - -

    Service Refill Capacities
    Hydraulic Tank 14 gal (US) 43 gal (US) -
    Cooling System 2.6 gal (US) 11 gal (US) -
    Engine Oil 3 gal (US) 9 gal (US) -
    Fuel Tank 38 gal (US) - -
    Hydraulic System 37 gal (US) - -
    Fuel Tank Capacity - 159 gal (US) -
    Swing Drive - 5 gal (US) -
    Final Drive - Each - 2 gal (US) -
    Hydraulic System - Including Tank - 145 gal (US) -
    DEF Tank - 21 gal (US) -

    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) -

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

    Swing Mechanism
    Swing Speed - 8 r/min -
    Maximum Swing Torque - 105000 ft·lbf -

    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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