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    M322
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    Cat® 352 UHD Ultra High Demolition Hydraulic Excavator
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    Cat® 374 Hydraulic Excavator
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    M318 Wheeled Excavator
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    Engine
    Engine Power - ISO 14396:2002 174 hp 425 hp 485 hp 174 hp
    Engine Power - ISO 14396 (DIN) 176 hp (metric) 431 hp (metric) 492 hp (metric) 176 hp (metric)
    Engine Model C 7.1 Cat C13 Cat C15 C4.4
    Net Power - ISO 9249 171 hp 424 hp 484 hp 171 hp
    Net Power - ISO 9249 (DIN) 174 hp (metric) 430 hp (metric) 491 hp (metric) 174 hp (metric)
    Bore 4.1 in 5 in 5.4 in 4 in
    Displacement 427.8 in² 763 in³ 928 in³ 285.5 in³
    Stroke 5.3 in 6 in 6.7 in 5 in
    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, 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, Korea 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 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 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 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 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

    Machine Weight
    Operating Weight Maximum 52911 lb - - 43980 lb
    Operating Weight Minimum 44750 lb - - 38580 lb
    Note (1) - - - Operating weight includes full fuel tank, operator, bucket 610 kg (1,340 lb), and dual pneumatic tires. Weight varies depending on configuration.
    Note (2) - - - Typical configurations include 2500 mm (8'2") medium stick and 3700 kg (8,157 lb) counterweight.

    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% - - -

    Hydraulic System
    Main System - Maximum Flow - Implement 95 gal/min - 237 gal/min 67 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 - - -
    Main System - Maximum Flow - 779 l/min (206 gal/min) - -
    Maximum Pressure - Equipment - 5076 psi 5366 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 - 3771 psi 5076 psi 5149 gal/min

    Swing Mechanism
    Swing Torque 44250 lb/ft - - -
    Swing Speed - 8.44 r/min 6.34 r/min 9.4 r/min
    Maximum Swing Torque - 139000 ft·lbf 220000 ft·lbf -
    Maximum Swing Speed - - - 32560 ft·lbf

    Service Refill Capacities
    Fuel Tank 124.2 gal (US) - - 92.5 gal (US)
    Diesel Exhaust Fluid (DEF) 7.9 gal (US) - - 5.3 gal (US)
    Cooling System 10.6 gal (US) 13.7 gal (US) 19 gal (US) 8.5 gal (US)
    Engine Oil 3.4 gal (US) 10.6 gal (US) 16 gal (US) -
    Hydraulic Tank 52.8 gal (US) 57.3 gal (US) 86 gal (US) 31.7 gal (US)
    Hydraulic System - Including Tank 71.3 gal (US) 145.3 gal (US) 164 gal (US) 68.7 gal (US)
    Fuel Tank Capacity - 188.9 gal (US) 243 gal (US) -
    Swing Drive - Each - 2.8 gal (US) - -
    Final Drive - Each - 2.5 gal (US) 9 gal (US) -
    DEF Tank - 12.2 gal (US) 21 gal (US) -
    Swing Drive - - 5 gal (US) -
    Final Drive - - - 0.7 gal (US)

    Dimensions
    Boom VA 5.4m (17'10") - Reach 7.8m (25'7") 5205 mm (17'1")
    Stick 2.9m (9'2") - R3.6m (11'10") 2.5 m (8' 2")
    Shipping Height with Falling Object Guard 11 ft - - -
    Support Point 11.3 ft - - 11.5 ft
    Shipping Length 31.1 ft 61.8 ft 44.9 ft 27.8 ft
    Tail Swing Radius 9.2 ft 12.3 ft 13.8 ft 7.7 ft
    Counterweight Clearance 4.3 ft 4.7 ft 4.1 ft 4.3 ft
    Ground Clearance 1.25 ft 1.7 ft 2.6 ft 1.1 ft
    Wheel Base 9 ft - - 8.9 ft
    Note (1) - 28 m (91'10") UHD Front - -
    Shipping Height - Top of Cab - 11.1 ft 11.8 ft 11 ft
    Cab Height - With OPG - 11.8 ft - -
    Track Length - 18.9 ft 19.3 ft -
    Track Length to Center of Rollers - 15.6 ft 15.5 ft -
    Working Gauge - Extended Position - 11.2 ft - -
    Shipping Gauge - Retracted Position - 7.9 ft - -
    Transport Width - 10.7 ft 11.1 ft -
    Machine Length - without Front, with Counterweight - 25.5 ft - -
    Machine Length - without Front and Counterweight - 24.9 ft - -
    Track Width - Extended - 13.1 ft - -
    Track Width - Retracted - 9.8 ft - -
    Note (2) - 600 mm (24") Track Shoes - -
    Bucket - - SD 3.3 m³ (4.32 yd³) 0.91 m³ GD (1.19 yd³)
    Handrail Height - - 13 ft -
    Track Gauge - - 11.2 ft -
    Note - - Track gauge undercarriage extended with 650 mm (26") shoes; transport width undercarriage retracted with 650 mm (26") shoes and no steps -

    Working Ranges and Forces
    Boom Type VA 5.4m (17'10") - - VA Boom
    Stick 2.9m (9'2") - - 2.5 m (8' 2")
    Bucket GD 1.2 m³ (1.7 yd³) - - 0.91 m³ GD (1.19 yd³)
    Maximum Loading Height 24.7 ft - - -
    Maximum Digging Depth 21.8 ft - - -
    Reach at Ground Level 33.4 ft - - 30.2 ft
    Vertical Wall Digging Depth 17.3 ft - - 15.1 ft
    Bucket Forces (ISO) 33946 lbf - - 26752 lbf
    Stick Forces (ISO) 23605 lbf - - 16861 lbf
    Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 21.6 ft - - -
    Maximum Pin Height at Stick Nose - 90.8 ft - -
    Maximum Weight at Stick Nose - 8157 lb - -
    Maximum Working Pin Height at Stick Nose - 1/2 - 75.2 ft - -
    Maximum Working Reach at Stick Nose - 1/2 - 45.4 ft - -
    Maximum Height at Stick Nose in Max Reach Position - 52.9 ft - -
    Maximum Reach at Stick Nose - 51.7 ft - -
    Note (1) - 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 1484 mm (4'10"). Force values are calculated with heavy lift on, a GD bucket (pin-on), and a tip radius o
    Digging Height - - - 19.3 ft
    Cutting Height - - - 33.7 ft

    working Ranges and Forces
    Cutting Height 35.8 ft - - -

    Air Conditioning System
    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.
    Air Conditioning - 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. 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). -

    Weights
    Operating Weight - 143300 lb 162900 lb -
    Note (1) - 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 - 139300 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. - -
    UHD in Cradle - 26000 lb - -
    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 - -
    Note - - Long Variable Gauge undercarriage, Reach boom, R4.67VB (15'4") stick, SD 3.3 m³ (4.32 yd³) bucket, 900 mm (35") HD double grouser shoes and removal type counterweight. -

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

    Working Ranges and Forces - Retrofit Boom - Straight
    Note 1 - Straight - R3.35 m (11'0") Stick (Over-the-Front) - -
    Bucket - GD 3.08 m³ (4.03 yd³) - -
    Maximum Pin Height at Stick Nose - 39.8 ft - -
    Maximum Weight at Stick Nose - 13190 lb - -
    Maximum Height at Stick Nose in Max Reach Position - 7.7 ft - -
    Maximum Reach at Stick Nose - 36.5 ft - -
    Maximum Digging Depth - 17 ft - -
    Maximum Reach - Ground Level - 41.9 ft - -
    Maximum Loading Height - 33.6 ft - -
    Minimum Loading Height - 15 ft - -
    Bucket Digging Force - ISO - 60250 lbf - -
    Stick Digging Force - ISO - 44740 lbf - -

    Working Ranges and Forces - Retrofit Boom - Bent
    Note 1 - Bent - R3.35 m (11'0") Stick - -
    Bucket - GD 3.08 m³ (4.03 yd³) - -
    Maximum Digging Depth - 21.9 ft - -
    Maximum Reach - Ground Level - 39 ft - -
    Maximum Cutting Height - 35.1 ft - -
    Maximum Loading Height - 24.6 ft - -
    Minimum Loading Height - 10 ft - -
    Bucket Digging Force - ISO - 60250 lbf - -
    Stick Digging Force - ISO - 44740 lbf - -

    Working Ranges & Forces
    Maximum Digging Depth - - 28.1 ft -
    Boom - - Reach 7.8m (25'7") -
    Stick - - R3.6m (11'10") -
    Bucket - - SD 3.3 m³ (4.32 yd³) -
    Maximum Reach at Ground Level - - 43.2 ft -
    Maximum Cutting Height - - 41.2 ft -
    Maximum Loading Height - - 27.7 ft -
    Minimum Loading Height - - 10.1 ft -
    Maximum Depth Cut for 2440 mm (8 ft) Level Bottom - - 27.8 ft -
    Maximum Vertical Wall Digging Depth - - 22.8 ft -
    Bucket Digging Force - ISO - - 80550 ft·lbf -
    Stick Digging Force - ISO - - 66390 ft·lbf -

    Drive
    Maximum Travel Speed - - - 21.7 mile/h

    Service Refill
    Engine Oil - - - 2.9 gal (US)

    Sustainability
    Recyclability - - - 92%
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