THIS IS MY SELECT

Mini Excavators

304E2 CR Mini Hydraulic Excavator

Net Power

40.2 HP

Operating Weight

8,996 lb

Dig Depth

135 in

THIS IS MY SELECT

backhoe loader

304E2 CR Mini Hydraulic Excavator

Net Power

40.2 HP

Operating Weight

8,996 lb

Dig Depth

135 in

Specifications

The Cat® 304E2 CR Mini Hydraulic Excavator delivers efficient performance, durability and versatility in a compact design to help you work in a variety of applications.

      • Net Power

        40.2 HP

        30 kW

        Engine Model

        93.0 in

        93.0 mm

        Cat C2.4

        Note

        93.0 in

        93.0 mm

        The Cat C2.4 meets U.S. EPA Tier 4 Final emission standards for North America, EU Stage V emission standards for Europe and Tier 4 Interim emission standards for all other regions.

        Net Power - 2,200 rpm - ISO 9249/EEC 80/1269

        40.2 HP

        30 kW

        Displacement

        146 in³

        2.4 l

        Stroke

        4 in

        102.4 mm

        Bore

        3.4 in

        87 mm

        Gross Power - ISO 14396

        41.8 HP

        31.2 kW

      • Width

        76.8 in

        1,950 mm

        Height

        12.8 in

        325 mm

        Dig Depth

        18.5 in

        470 mm

        Lift Height

        15.7 in

        400 mm

      • Cooling System

        1.5 gal (US)

        5.5 l

        Engine Oil

        2.5 gal (US)

        9.5 l

        Hydraulic Tank

        11.2 gal (US)

        42.3 l

        Fuel Tank

        12.2 gal (US)

        46 l

        Hydraulic System

        17.2 gal (US)

        65 l

      • Operating Weight

        8,996 lb

        4,080 kg

        Weight - Canopy, Standard Stick

        8,655 lb

        3,925 kg

        Weight - Cab, Long Stick

        8,996 lb

        4,080 kg

        Weight - Canopy, Long Stick

        8,721 lb

        3,955 kg

        Weight - Cab, Standard Stick

        8,930 lb

        4,050 kg

      • Travel Speed - High

        3.2 mile/h

        5.2 km/h

        Travel Speed - Low

        2.1 mile/h

        3.3 km/h

        Ground Pressure - Canopy

        4.1 psi

        28.1 kPa

        Maximum Traction Force - Low Speed

        6,969 lb

        31 kN

        Ground Pressure - Cab

        4.3 psi

        29.5 kPa

        Maximum Traction Force - High Speed

        3,799 lb

        16.9 kN

      • Pump Flow at 2,200 rpm

        26.4 gal/min

        100 l/min

        Operating Pressure - Swing

        3,132 psi

        216 bar

        Note

        93.0 in

        93.0 mm

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

        Digging Force - Stick - Standard

        4,856 lb

        21.6 kN

        Operating Pressure - Travel

        3,553 psi

        245 bar

        Operating Pressure - Equipment

        3,553 psi

        245 bar

        Digging Force - Stick - Long

        4,384 lb

        19.5 kN

        Maximum Auxiliary Circuit - Secondary - Flow at Pump

        6.6 gal/min

        25 l/min

        Maximum Auxiliary Circuit - Primary - Flow at Pump

        17.2 gal/min

        65 l/min

        Maximum Auxiliary Circuit - Primary - Pressure at Pump

        3,553 psi

        24,500 kPa

        Digging Force - Bucket

        8,498 lb

        37.8 kN

        Maximum Auxiliary Circuit - Secondary - Pressure at Pump

        3,553 psi

        24,500 kPa

      • Machine Swing Speed

        10 r/min

        10 r/min

      • Maximum Reach - Ground Level

        206 in

        5,220 mm

        Tail Swing

        38 in

        975 mm

        O/A Undercarriage Length

        87 in

        2,220 mm

        Boom Height - Shipping Position

        58 in

        1,480 mm

        Boom Swing - Right

        29 in

        735 mm

        O/A Track Width

        77 in

        1,950 mm

        Maximum Blade Height

        16 in

        400 mm

        Maximum Blade Depth

        19 in

        470 mm

        O/A Shipping Length

        190 in

        4,820 mm

        Dig Depth

        123 in

        3,130 mm

        Maximum Dig Height

        196 in

        4,980 mm

        Swing Bearing - Height

        22 in

        565 mm

        Boom In Reach

        83 in

        2,110 mm

        Vertical Wall

        95 in

        2,420 mm

        Boom Swing - Left

        26 in

        670 mm

        Maximum Reach

        211 in

        5,350 mm

        Maximum Dump Clearance

        141 in

        3,590 mm

        Track Belt/Shoe Width

        14 in

        350 mm

        O/A Shipping Height

        98 in

        2,500 mm

      • Exterior Sound Power Level - ISO 6395:2008*

        96 dB(A)

        96 dB(A)

        Dynamic Operator Sound Pressure Level (ISO 6396:2008)

        81 dB(A)

        81 dB(A)

      • Blade Up - Side

        948 lb

        430 kg

        Blade Up - Front

        948 lb

        430 kg

        Blade Down - Front

        1,896 lb

        860 kg

        Blade Down - Side

        1,058 lb

        480 kg

      • Machine Overhang

        0 in

        0 mm

        Stick Length - Standard

        52 in

        1,315 mm

        Stick Length - Long

        64 in

        1,615 mm

      • Dig Depth

        135 in

        3,430 mm

        O/A Shipping Length

        194 in

        4,930 mm

        Track Belt/Shoe Width

        14 in

        350 mm

        Boom Height - Shipping Position

        70 in

        1,770 mm

        Swing Bearing - Height

        22 in

        565 mm

        Maximum Dump Clearance

        145 in

        3,690 mm

        Boom In Reach

        87 in

        2,220 mm

        O/A Undercarriage Length

        87 in

        2,220 mm

        Maximum Blade Height

        16 in

        400 mm

        Maximum Reach - Ground Level

        215 in

        5,470 mm

        O/A Track Width

        77 in

        1,950 mm

        Maximum Blade Depth

        19 in

        470 mm

        Boom Swing - Right

        29 in

        735 mm

        Boom Swing - Left

        26 in

        670 mm

        Tail Swing

        38 in

        975 mm

        Maximum Dig Height

        200 in

        5,070 mm

        Maximum Reach

        220 in

        5,590 mm

        O/A Shipping Height

        98 in

        2,500 mm

        Vertical Wall

        101 in

        2,560 mm

      • Blade Down - Side

        2,007 lb

        910 kg

        Blade Up - Side

        1,808 lb

        820 kg

        Blade Down - Front

        3,462 lb

        1,570 kg

        Blade Up - Front

        1,808 lb

        820 kg

      • ENGINE

        • Cat C2.4 diesel engine (meets U.S. EPA Tier 4 Final emission standards for North America, EU Stage V emission standards for Europe and Tier 4 Interim emission standards for all other regions)

        • Automatic engine idle

        • Automatic engine shut-off

        • Automatic two speed travel

        • Diesel Particulate Filter (North America only)

        • Diesel Oxidation Catalyst (North America only)

        • Fuel and water separator

        • Power on demand

      • HYDRAULIC SYSTEM

        • 1-way and 2-way (combined function)

        • Accumulator

        • Automatic swing parking brake

        • Auxiliary hydraulic lines

        • Adjustable auxiliary relief

        • Auxiliary line quick disconnects

        • Cat interlock system: hydraulic lockout

        • Continuous auxiliary flow

        • Ecology drain

        • Hydraulic oil cooler

        • High definition hydraulics

        • Load sensing/flow sharing

      • OPERATOR ENVIRONMENT

        • 100% pilot control ergonomic joysticks

        • Adjustable armrests

        • COMPASS: complete, operation, maintenance, performance and security system Multiple languages

        • Cup holder

        • Hydraulic neutral lockout bar

        • Literature holder

        • Pattern changer (optional in Europe)

        • Site reference system: leveling

        • Tool storage area

        • Travel control pedals with hand levers

        • Washable floor mat

      • UNDERCARRIAGE

        • Dozer blade with float function

        • Track, rubber belt, 350 mm (14 in) width

        • Tie down eyes on track frame

        • Towing eye on base frame

      • FRONT LINKAGE

        • 200 degree bucket rotation

        • Certified lifting eye on bucket linkage (optional in Europe)

        • Front shovel capable

        • Thumb ready stick

      • ELECTRICAL

        • 12 volt electrical system

        • 60 ampere alternator

        • 650 CCA maintenance free battery

        • Fuse box

        • Ignition key start/stop switch

        • Slow blow fuse

        • Warning horn

      • LIGHTS AND MIRRORS

      • SAFETY AND SECURITY

        • Anti-theft system (COMPASS)

        • Caterpillar Corporate “One Key” System

        • Door locks

        • Lockable fuel cap

        • Retractable seat belt

        • Roll Over Protective Structure (ROPS) (ISO 12117-2)

        • Tip Over Protective Structure (TOPS) (ISO 12117)

        • Top guard – ISO 10262 (Level 1)

        • Travel alarm (optional in Europe)

      • TECHNOLOGY

      • ENGINE

      • HYDRAULIC SYSTEM

        • Quick coupler lines

        • Boom lowering check valve

        • Stick lowering check valve

        • Secondary auxiliary hydraulic lines

      • OPERATOR ENVIRONMENT

      • UNDERCARRIAGE

        • Power angle blade

        • Track, double grouser (steel), 350 mm (14 in)

      • FRONT LINKAGE

        • Quick coupler: manual or hydraulic

        • Thumb

        • Buckets

        • Full range of performance matched work tools Auger, hammer, ripper

      • LIGHTS AND MIRRORS

        • Light, cab with time delay capability

        • Mirror, canopy right

        • Mirror, canopy left

        • Mirror, cab rear

      • SAFETY AND SECURITY

        • Battery disconnect

        • Beacon socket

        • Front wire mesh guard

        • Rearview camera

        • Vandal guard

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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