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.
Engine
Net Power
Engine Model
Gross Power - 2,400 rpm - SAE J1995:2014
Bore
Emissions
Stroke
Displacement
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC
Note
Weights
Operating Weight
Minimum Operating Weight with Canopy*
Maximum Operating Weight with Canopy**
Note (2)
Note (1)
Maximum Operating Weight with Cab**
Minimum Operating Weight with Cab*
Dimensions - Long Stick
Dig Depth
Maximum Blade Depth
O/A Shipping Height
Maximum Dump Clearance
Stick Length
Maximum Dig Height
Maximum Reach - Ground Level
Track Width
Tail Swing with Counterweight
Swing Bearing - Height
Boom Height - Shipping Position
Boom Swing - Left
Maximum Reach
Boom In Reach
Boom Swing - Right
Track Belt/Shoe Width
Vertical Wall
Maximum Blade Height
Note
Overall Shipping Length*
Ground Clearance
O/A Undercarriage Length
Tail Swing without Counterweight
Blade
Straight Blade Width
Angle Blade Width
Angle Blade - Right
Angle Blade - Left
Angle Blade Height
Straight Blade Height
Certification - Cab and Canopy
Roll Over Protective Structure (ROPS)
Top Guard
Tip Over Protective Structure (TOPS)
Sound
Average Exterior Sound Pressure (ISO 6395:2008)
Operator Sound Pressure (ISO 6396:2008)
Note
Dimensions - Standard Stick
Maximum Reach - Ground Level
Vertical Wall
Note
Tail Swing with Counterweight
Boom In Reach
Dig Depth
Maximum Dig Height
Maximum Blade Height
Swing Bearing - Height
Boom Swing - Left
Stick Length
O/A Undercarriage Length
Track Belt/Shoe Width
Boom Height - Shipping Position
Boom Swing - Right
Maximum Dump Clearance
Ground Clearance
Maximum Reach
O/A Shipping Height
Tail Swing without Counterweight
Maximum Blade Depth
Overall Shipping Length*
Weight Increase from Minimum Configuration
Steel Tracks
Counterweight
Angle Blade
Long Stick
Travel System
Ground Pressure - Minimum Weight
Maximum Traction Force - Low Speed
Travel Speed - Low
Ground Pressure - Maximum Weight
Travel Speed - High
Maximum Traction Force - High Speed
Gradeability - Maximum
Sustainability
Recyclability
Service Refill Capacities
Cooling System
Engine Oil
Hydraulic System
Fuel Tank
Hydraulic Tank
Hydraulic System
Operating Pressure - Travel
Auxiliary Circuit - Secondary - Pressure
Digging Force - Stick - Long
Auxiliary Circuit - Secondary - Flow
Pump Flow at 2,400 rpm
Operating Pressure - Swing
Auxiliary Circuit - Primary - Flow
Auxiliary Circuit - Primary - Pressure
Note
Type
Digging Force - Stick - Standard
Digging Force - Bucket
Operating Pressure - Equipment
Swing System
Boom Swing - Right
Machine Swing Speed
Boom Swing - Left
Standard Equipment:
-
- 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
-
- Counterweight (225 kg/496 lb)
Optional Equipment:
-
- 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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