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    310 Mini Hydraulic Excavator
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    340 UHD Ultra High Demolition Hydraulic Excavator
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    352 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 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 5 in
    Displacement 203 in³ 568 in³ 763 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 Cat C13
    Net Power - ISO 9249 - 346 HP 424 HP
    Engine Power - ISO 14396 (DIN) - 351 hp (metric) 431 hp (metric)
    Engine Power - ISO 14396 - 347 HP 425 HP
    Net Power - ISO 9249 (DIN) - 352 hp (metric) 430 hp (metric)
    Biodiesel Capability - 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.
    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
    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

    Weights
    Operating Weight 22451 lb 122600 lb 143300 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. 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
    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

    Dimensions
    Dig Depth 205.2 in - -
    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
    Cab Height - With OPG - 11.8 ft 11.8 ft
    Shipping Length - 49.9 ft 61.8 ft
    Tail Swing Radius - 11.6 ft 12.3 ft
    Counterweight Clearance - 4.6 ft 4.7 ft
    Ground Clearance - 1.7 ft 1.7 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

    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) 779 l/min (206 gal/min)
    Maximum Pressure - Equipment - 5076 psi 5076 psi
    Maximum Pressure - Equipment - Lift Mode - 5511 psi 5511 psi
    Maximum Pressure - Travel - 5076 psi 5076 psi
    Maximum Pressure - Swing - 4264 psi 3771 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). 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.

    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) 57.3 gal (US)
    Cooling System 2.6 gal (US) 11 gal (US) 13.7 gal (US)
    Engine Oil 3 gal (US) 9 gal (US) 10.6 gal (US)
    Fuel Tank 38 gal (US) - -
    Hydraulic System 37 gal (US) - -
    Fuel Tank Capacity - 159 gal (US) 188.9 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)
    DEF Tank - 21 gal (US) 12.2 gal (US)
    Swing Drive - Each - - 2.8 gal (US)

    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

    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
    Maximum Swing Torque - 105000 ft·lbf 139000 ft·lbf

    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
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