THIS IS MY SELECT

Mini Excavators

304 Mini Excavator

Net Power

45 HP

Operating Weight

9,867 lb

Dig Depth

138.2 in

THIS IS MY SELECT

backhoe loader

304 Mini Excavator

Net Power

45 HP

Operating Weight

9,867 lb

Dig Depth

138.2 in

Specifications

The Cat® 304 Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.

      • Net Power

        45 HP

        33.6 kW

        Engine Model

        93.0 in

        93.0 mm

        C1.7 Turbo

        Gross Power - 2,400 rpm - SAE J1995:2014

        48.4 HP

        36.1 kW

        Bore

        3.3 in

        84 mm

        Emissions

        93.0 in

        93.0 mm

        Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.

        Stroke

        3.9 in

        100 mm

        Displacement

        101 in³

        1.662 l

        Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC

        45 HP

        33.6 kW

        Note

        93.0 in

        93.0 mm

        Net power advertised is the power available at the flywheel when the engine is at rated speed and rated power when the engine is installed with the factory configured fan, air intake system, exhaust system, and alternator with a minimum alternator load.

      • Average Exterior Sound Pressure (ISO 6395:2008)

        97 dB(A)

        97 dB(A)

        Operator Sound Pressure (ISO 6396:2008)

        76 dB(A)

        76 dB(A)

        Note

        93.0 in

        93.0 mm

        European Union Directive “2000/14/EC”

      • Maximum Reach - Ground Level

        204.7 in

        5,200 mm

        Vertical Wall

        94.3 in

        2,395 mm

        Note

        93.0 in

        93.0 mm

        *Overall Shipping Length depends on blade position during shipment.

        Tail Swing with Counterweight

        51.2 in

        1,300 mm

        Boom In Reach

        88.8 in

        2,255 mm

        Dig Depth

        126.4 in

        3,210 mm

        Maximum Dig Height

        198.4 in

        5,040 mm

        Maximum Blade Height

        16.5 in

        420 mm

        Swing Bearing - Height

        21.9 in

        557 mm

        Boom Swing - Left

        20.9 in

        530 mm

        Stick Length

        54.9 in

        1,395 mm

        O/A Undercarriage Length

        87 in

        2,210 mm

        Track Belt/Shoe Width

        13.8 in

        350 mm

        Boom Height - Shipping Position

        63.8 in

        1,620 mm

        Boom Swing - Right

        28.7 in

        730 mm

        Maximum Dump Clearance

        143.5 in

        3,645 mm

        Ground Clearance

        12 in

        305 mm

        Maximum Reach

        209.8 in

        5,330 mm

        O/A Shipping Height

        100 in

        2,540 mm

        Tail Swing without Counterweight

        47.4 in

        1,205 mm

        Maximum Blade Depth

        18.7 in

        475 mm

        Overall Shipping Length*

        194.9 in

        4,950 mm

      • Dig Depth

        138.2 in

        3,510 mm

        Maximum Blade Depth

        18.7 in

        475 mm

        O/A Shipping Height

        100 in

        2,540 mm

        Maximum Dump Clearance

        147.2 in

        3,740 mm

        Stick Length

        66.7 in

        1,695 mm

        Maximum Dig Height

        201.8 in

        5,125 mm

        Maximum Reach - Ground Level

        214.4 in

        5,445 mm

        Track Width

        66.9 in

        1,700 mm

        Tail Swing with Counterweight

        51.2 in

        1,300 mm

        Swing Bearing - Height

        21.9 in

        557 mm

        Boom Height - Shipping Position

        75.2 in

        1,910 mm

        Boom Swing - Left

        20.9 in

        530 mm

        Maximum Reach

        219.3 in

        5,570 mm

        Boom In Reach

        92.1 in

        2,340 mm

        Boom Swing - Right

        28.7 in

        730 mm

        Track Belt/Shoe Width

        13.8 in

        350 mm

        Vertical Wall

        99.8 in

        2,535 mm

        Maximum Blade Height

        16.5 in

        420 mm

        Note

        93.0 in

        93.0 mm

        *Overall Shipping Length depends on blade position during shipment.

        Overall Shipping Length*

        194.9 in

        4,950 mm

        Ground Clearance

        12 in

        305 mm

        O/A Undercarriage Length

        87 in

        2,210 mm

        Tail Swing without Counterweight

        47.4 in

        1,205 mm

      • Operating Weight

        9,867 lb

        4,475 kg

        Minimum Operating Weight with Canopy*

        8,655 lb

        3,925 kg

        Maximum Operating Weight with Canopy**

        9,647 lb

        4,375 kg

        Note (2)

        93.0 in

        93.0 mm

        **Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, straight blade, extra counterweight and no bucket.

        Note (1)

        93.0 in

        93.0 mm

        *Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade, no bucket and no extra counterweight.

        Maximum Operating Weight with Cab**

        9,867 lb

        4,475 kg

        Minimum Operating Weight with Cab*

        8,875 lb

        4,025 kg

      • Steel Tracks

        430 lb

        195 kg

        Counterweight

        496 lb

        225 kg

        Angle Blade

        243 lb

        110 kg

        Long Stick

        66 lb

        30 kg

      • Ground Pressure - Minimum Weight

        4.2 psi

        28.7 kPa

        Maximum Traction Force - Low Speed

        7,329 lbf

        32.6 kN

        Travel Speed - Low

        2.2 mile/h

        3.5 km/h

        Ground Pressure - Maximum Weight

        4.9 psi

        33.8 kPa

        Travel Speed - High

        3.2 mile/h

        5.2 km/h

        Maximum Traction Force - High Speed

        4,271 lbf

        19 kN

        Gradeability - Maximum

        93.0 in

        93.0 mm

        30 degrees

      • Cooling System

        2.9 gal (US)

        11 l

        Engine Oil

        1.6 gal (US)

        6 l

        Hydraulic System

        17 gal (US)

        65 l

        Fuel Tank

        17 gal (US)

        63 l

        Hydraulic Tank

        14 gal (US)

        52 l

      • Operating Pressure - Travel

        3,553 psi

        245 bar

        Auxiliary Circuit - Secondary - Pressure

        3,553 psi

        245 bar

        Digging Force - Stick - Long

        4,316 lbf

        19.2 kN

        Auxiliary Circuit - Secondary - Flow

        7 gal/min

        28 l/min

        Pump Flow at 2,400 rpm

        25 gal/min

        96 l/min

        Operating Pressure - Swing

        2,611 psi

        180 bar

        Auxiliary Circuit - Primary - Flow

        21 gal/min

        65 l/min

        Auxiliary Circuit - Primary - Pressure

        3,553 psi

        245 bar

        Note

        93.0 in

        93.0 mm

        Flow and pressure are not combinable. Under load, as flow rises pressure goes down.

        Type

        93.0 in

        93.0 mm

        Load Sensing Hydraulics with Variable Displacement Piston Pump

        Digging Force - Stick - Standard

        4,721 lbf

        21 kN

        Digging Force - Bucket

        8,588 lbf

        38.2 kN

        Operating Pressure - Equipment

        3,553 psi

        245 bar

      • Boom Swing - Right

        93.0 in

        93.0 mm

        50 Degrees

        Machine Swing Speed

        9 r/min

        9 r/min

        Boom Swing - Left

        93.0 in

        93.0 mm

        78 Degrees

      • Angle Blade Height

        14.2 in

        360 mm

        Straight Blade Height

        14.2 in

        360 mm

        Straight Blade Width

        66.9 in

        1,700 mm

        Angle Blade Width

        66.9 in

        1,700 mm

        Angle Blade - Right

        93.0 in

        93.0 mm

        25 Degrees

        Angle Blade - Left

        93.0 in

        93.0 mm

        25 Degrees

      • Roll Over Protective Structure (ROPS)

        93.0 in

        93.0 mm

        ISO 12117-2:2008

        Top Guard

        93.0 in

        93.0 mm

        ISO 10262:1998 (Level I)

        Tip Over Protective Structure (TOPS)

        93.0 in

        93.0 mm

        ISO 12117:1997

      • ENGINE

        • Cat® C1.7 Turbo Engine (U.S. EPA Tier 4 Final/EU Stage V)

        • Automatic Engine Idle

        • Automatic Engine Shutdown

        • Automatic Two Speed Travel

        • Fuel Water Separator

        • Power on Demand (not available in all regions)

        • Variable Displacement Piston Pump

        • Load Sensing/Flow Sharing Hydraulics

      • HYDRAULICS

        • Smart Tech Electronic Pump

        • Accumulator

        • Automatic Swing Brake

        • Auxiliary Hydraulic Lines

        • One and Two Way Auxiliary Flow

        • Continuous Auxiliary Flow

        • Auxiliary Line Quick Disconnects

      • OPERATOR ENVIRONMENT

        • Canopy or Cab (Canopy not available in some regions)

        • Top Guard ISO 10262:1998 Level I

        • ROPS – ISO 12117-2:2008

        • TOPS – ISO 12117:1997

        • Stick Steer Mode

        • Travel Cruise Control

        • Control Pattern Changer (optional in some regions)

        • Adjustable Wrist Rests

        • Washable Floor Mat

        • Travel Pedals and Hand Levers

        • Machine Security – Standard Key with Pass Code

        • Fabric Suspension Seat (Cab only)

        • Vinyl Suspension Seat (Canopy only)

        • Hydraulic Lockout – All Controls

        • Retractable High Visibility Seat Belt (75 mm/3 in)

        • Coat Hook

        • Cup Holder

        • Storage Pocket

        • Skylight

        • Mounting Bosses for Front

        • Signaling/Warning Horn

        • Interior Light (Cab only)

        • Boom Light, Halogen (not available in all regions)

        • Utility Space for Mobile Phone

        • Next Generation Color LCD Monitor (IP66) – Fuel Level and Coolant Temperature Gauges – Maintenance and Machine Monitoring – Performance and Machine Adjustments – Numeric Security Code – Multiple Languages – Hour Meter with Wake Up Switch – Jog Dial (cab only)

      • UNDERCARRIAGE

        • Rubber Belt (350 mm/13.8 in)

        • Dozer Straight Blade

        • Dozer Blade Float

        • Tie Downs on Track Frame

      • BOOM, STICK AND LINKAGES

        • One Piece Boom (2500 mm/98.4 in)

        • Standard Stick (1395 mm/54.9 in)

        • Front Shovel Capable – Pin-On

        • Thumb Ready

        • Certified Lifting Eye

      • ELECTRICAL

        • 12 Volt Battery

        • Software (machine and monitor)

        • Maintenance Free Battery

        • Battery Disconnect

        • 12 Volt Power Socket

        • Travel Alarm (optional in some regions)

      • OTHER

      • OPERATOR ENVIRONMENT

        • Cab with Air Conditioning

        • Cab with Heater

        • No Travel Pedals and Hand Levers (optional in some regions)

        • Machine Security – Push to Start with Key Fob/Pass Code

        • LED Front Lights

        • LED Front and Rear Lights

        • LED Boom Light

        • Mirrors, Left, Right and Rear

        • Camera

        • Radio – Bluetooth®, Auxiliary, Microphone, USB (charging only) (Cab only)

        • Next Generation Advanced Monitor – Touch Screen – Site Reference System – High Definition Camera Capable (IP68 and IP69K) – Numeric Security Code

      • UNDERCARRIAGE

        • Steel Track (350 mm/13.8 in)

        • Steel Track with Rubber Pads

        • Angle Blade

      • BOOM, STICK AND LINKAGES

        • Long Stick (1695 mm/66.7 in)

        • Front Shovel Capable – Dual Lock Manual Coupler

        • Front Shovel Capable – Hydraulic Coupler

        • Attachments including Couplers, Thumbs, Buckets, Augers and Hammers

        • 2nd Auxiliary Hydraulic Lines

        • Bucket Divert Lines

        • Boom Lowering Check Valve

        • Stick Lowering Check Valve

        • Hydraulic Quick Coupler Lines

      • ELECTRICAL

        • Product Link™ PL243 (regulations apply)

        • Product Link PLE643 (regulations apply)

      • GUARDING

        • Polycarbonate Half Height Front Guard (Canopy only)

        • Polycarbonate Front Guard (ISO 10262:1998 Level I and EN356 P5A)

        • Heavy Duty Front Guard ISO 10262:1998 Level II

        • Heavy Duty Top Guard 10262:1998 Level II (Cab only)

      • OTHER

        • Bio Oil Capable

        • Eco Drain

        • Water Jacket Heater

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      WHY CHOOSE EMPIRE

      • Every purchase backed by a full menu of service and support offerings

      • Flexible financing options designed to fit your budget

      • Commitment to providing expert training to maximize operations

      • Value Agreements to ensure proper maintenance and performance