304 Mini Excavator

304 Mini Excavator

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

  • Operating Weight 9867 lb

  • Dig Depth 138.2 in

  • Engine Model C1.7 Turbo

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Product Specifications

Specifications

Engine

  • Bore 3.3in

  • Displacement 101in³

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

  • Engine Model C1.7 Turbo

  • Gross Power - 2,400 rpm - SAE J1995:2014 48.4hp

  • Net Power 45hp

  • Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC 45hp

  • Note 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.

  • Stroke 3.9in

Weights

  • Maximum Operating Weight with Cab** 9867lb

  • Maximum Operating Weight with Canopy** 9647lb

  • Minimum Operating Weight with Cab* 8875lb

  • Minimum Operating Weight with Canopy* 8655lb

  • Note (1) *Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade, no bucket and no extra counterweight.

  • Note (2) **Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, straight blade, extra counterweight and no bucket.

  • Operating Weight 9867lb

Dimensions - Long Stick

  • Boom Height - Shipping Position 75.2in

  • Boom In Reach 92.1in

  • Boom Swing - Left 20.9in

  • Boom Swing - Right 28.7in

  • Dig Depth 138.2in

  • Ground Clearance 12in

  • Maximum Blade Depth 18.7in

  • Maximum Blade Height 16.5in

  • Maximum Dig Height 201.8in

  • Maximum Dump Clearance 147.2in

  • Maximum Reach 219.3in

  • Maximum Reach - Ground Level 214.4in

  • Note *Overall Shipping Length depends on blade position during shipment.

  • O/A Shipping Height 100in

  • O/A Undercarriage Length 87in

  • Overall Shipping Length* 194.9in

  • Stick Length 66.7in

  • Swing Bearing - Height 21.9in

  • Tail Swing with Counterweight 51.2in

  • Tail Swing without Counterweight 47.4in

  • Track Belt/Shoe Width 13.8in

  • Track Width 66.9in

  • Vertical Wall 99.8in

Sustainability

  • Recyclability 96%

Weight Increase from Minimum Configuration

  • Angle Blade 243lb

  • Counterweight 496lb

  • Long Stick 66lb

  • Steel Tracks 430lb

Travel System

  • Gradeability - Maximum 30 degrees

  • Ground Pressure - Maximum Weight 4.9psi

  • Ground Pressure - Minimum Weight 4.2psi

  • Maximum Traction Force - High Speed 4271lbf

  • Maximum Traction Force - Low Speed 7329lbf

  • Travel Speed - High 3.2mile/h

  • Travel Speed - Low 2.2mile/h

Service Refill Capacities

  • Cooling System 2.9gal (US)

  • Engine Oil 1.6gal (US)

  • Fuel Tank 17gal (US)

  • Hydraulic System 17gal (US)

  • Hydraulic Tank 14gal (US)

Hydraulic System

  • Auxiliary Circuit - Primary - Flow 21gal/min

  • Auxiliary Circuit - Primary - Pressure 3553psi

  • Auxiliary Circuit - Secondary - Flow 7gal/min

  • Auxiliary Circuit - Secondary - Pressure 3553psi

  • Digging Force - Bucket 8588lbf

  • Digging Force - Stick - Long 4316lbf

  • Digging Force - Stick - Standard 4721lbf

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

  • Operating Pressure - Equipment 3553psi

  • Operating Pressure - Swing 2611psi

  • Operating Pressure - Travel 3553psi

  • Pump Flow at 2,400 rpm 25gal/min

  • Type Load Sensing Hydraulics with Variable Displacement Piston Pump

Swing System

  • Boom Swing - Left 78 Degrees

  • Boom Swing - Right 50 Degrees

  • Machine Swing Speed 9r/min

Blade

  • Angle Blade - Left 25 Degrees

  • Angle Blade - Right 25 Degrees

  • Angle Blade Height 14.2in

  • Angle Blade Width 66.9in

  • Straight Blade Height 14.2in

  • Straight Blade Width 66.9in

Certification - Cab and Canopy

  • Roll Over Protective Structure (ROPS) ISO 12117-2:2008

  • Tip Over Protective Structure (TOPS) ISO 12117:1997

  • Top Guard ISO 10262:1998 (Level I)

Sound

  • Average Exterior Sound Pressure (ISO 6395:2008) 97dB(A)

  • Note European Union Directive “2000/14/EC”

  • Operator Sound Pressure (ISO 6396:2008) 76dB(A)

Dimensions - Standard Stick

  • Boom Height - Shipping Position 63.8in

  • Boom In Reach 88.8in

  • Boom Swing - Left 20.9in

  • Boom Swing - Right 28.7in

  • Dig Depth 126.4in

  • Ground Clearance 12in

  • Maximum Blade Depth 18.7in

  • Maximum Blade Height 16.5in

  • Maximum Dig Height 198.4in

  • Maximum Dump Clearance 143.5in

  • Maximum Reach 209.8in

  • Maximum Reach - Ground Level 204.7in

  • Note *Overall Shipping Length depends on blade position during shipment.

  • O/A Shipping Height 100in

  • O/A Undercarriage Length 87in

  • Overall Shipping Length* 194.9in

  • Stick Length 54.9in

  • Swing Bearing - Height 21.9in

  • Tail Swing with Counterweight 51.2in

  • Tail Swing without Counterweight 47.4in

  • Track Belt/Shoe Width 13.8in

  • Vertical Wall 94.3in

Features

Equipment

Standard Equipment

  • 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

  • Smart Tech Electronic Pump

  • Accumulator

  • Automatic Swing Brake

  • Auxiliary Hydraulic Lines

  • One and Two Way Auxiliary Flow

  • Continuous Auxiliary Flow

  • Auxiliary Line Quick Disconnects

  • 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)

  • Rubber Belt (350 mm/13.8 in)

  • Dozer Straight Blade

  • Dozer Blade Float

  • Tie Downs on Track Frame

  • 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

  • 12 Volt Battery

  • Software (machine and monitor)

  • Maintenance Free Battery

  • Battery Disconnect

  • 12 Volt Power Socket

  • Travel Alarm (optional in some regions)

  • Counterweight (225 kg/496 lb)

Optional Equipment

  • 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

  • Steel Track (350 mm/13.8 in)

  • Steel Track with Rubber Pads

  • Angle Blade

  • 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

  • Product Link PL243 (regulations apply)

  • Product Link PLE643 (regulations apply)

  • 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)

  • Bio Oil Capable

  • Eco Drain

  • Water Jacket Heater