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.
| Operating Weight | 4475 kg |
|---|---|
| Maximum Operating Weight with Cab** | 4475 kg |
| Maximum Operating Weight with Canopy** | 4375 kg |
| Minimum Operating Weight with Cab* | 4025 kg |
| Minimum Operating Weight with Canopy* | 3925 kg |
| 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. |
| Dig Depth | 3510 mm |
|---|---|
| Boom Height - Shipping Position | 1910 mm |
| Boom In Reach | 2340 mm |
| Boom Swing - Left | 530 mm |
| Boom Swing - Right | 730 mm |
| Ground Clearance | 305 mm |
| Maximum Blade Depth | 475 mm |
| Maximum Blade Height | 420 mm |
| Maximum Dig Height | 5125 mm |
| Maximum Dump Clearance | 3740 mm |
| Maximum Reach | 5570 mm |
| Maximum Reach - Ground Level | 5445 mm |
| Note | *Overall Shipping Length depends on blade position during shipment. |
| O/A Shipping Height | 2540 mm |
| O/A Undercarriage Length | 2210 mm |
| Overall Shipping Length* | 4950 mm |
| Stick Length | 1695 mm |
| Swing Bearing - Height | 557 mm |
| Tail Swing with Counterweight | 1300 mm |
| Tail Swing without Counterweight | 1205 mm |
| Track Belt/Shoe Width | 350 mm |
| Track Width | 1700 mm |
| Vertical Wall | 2535 mm |
| Net Power | 33.6 kW |
|---|---|
| Engine Model | C1.7 Turbo |
| Bore | 84 mm |
| Stroke | 100 mm |
| Displacement | 1.662 l |
| Emissions | Meets U.S. EPA Tier 4 Final and EU Stage V emission standards. |
| Gross Power - 2,400 rpm - SAE J1995:2014 | 36.1 kW |
| Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC | 33.6 kW |
| 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. |
| Fuel Tank | 63 l |
|---|---|
| Cooling System | 11 l |
| Engine Oil | 6 l |
| Hydraulic System | 65 l |
| Hydraulic Tank | 52 l |
| Angle Blade - Left | 25 Degrees |
|---|---|
| Angle Blade - Right | 25 Degrees |
| Angle Blade Height | 360 mm |
| Angle Blade Width | 1700 mm |
| Straight Blade Height | 360 mm |
| Straight Blade Width | 1700 mm |
| Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 |
|---|---|
| Tip Over Protective Structure (TOPS) | ISO 12117:1997 |
| Top Guard | ISO 10262:1998 (Level I) |
| Boom Height - Shipping Position | 1620 mm |
|---|---|
| Boom In Reach | 2255 mm |
| Boom Swing - Left | 530 mm |
| Boom Swing - Right | 730 mm |
| Dig Depth | 3210 mm |
| Ground Clearance | 305 mm |
| Maximum Blade Depth | 475 mm |
| Maximum Blade Height | 420 mm |
| Maximum Dig Height | 5040 mm |
| Maximum Dump Clearance | 3645 mm |
| Maximum Reach | 5330 mm |
| Maximum Reach - Ground Level | 5200 mm |
| Note | *Overall Shipping Length depends on blade position during shipment. |
| O/A Shipping Height | 2540 mm |
| O/A Undercarriage Length | 2210 mm |
| Overall Shipping Length* | 4950 mm |
| Stick Length | 1395 mm |
| Swing Bearing - Height | 557 mm |
| Tail Swing with Counterweight | 1300 mm |
| Tail Swing without Counterweight | 1205 mm |
| Track Belt/Shoe Width | 350 mm |
| Vertical Wall | 2395 mm |
| Auxiliary Circuit - Primary - Flow | 65 l/min |
|---|---|
| Auxiliary Circuit - Primary - Pressure | 245 bar |
| Auxiliary Circuit - Secondary - Flow | 28 l/min |
| Auxiliary Circuit - Secondary - Pressure | 245 bar |
| Digging Force - Bucket | 38.2 kN |
| Digging Force - Stick - Long | 19.2 kN |
| Digging Force - Stick - Standard | 21 kN |
| Note | Flow and pressure are not combinable. Under load, as flow rises pressure goes down. |
| Operating Pressure - Equipment | 245 bar |
| Operating Pressure - Swing | 180 bar |
| Operating Pressure - Travel | 245 bar |
| Pump Flow at 2,400 rpm | 96 l/min |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Average Exterior Sound Pressure (ISO 6395:2008) | 97 dB(A) |
|---|---|
| Note | European Union Directive “2000/14/EC” |
| Operator Sound Pressure (ISO 6396:2008) | 76 dB(A) |
| Boom Swing - Left | 78 Degrees |
|---|---|
| Boom Swing - Right | 50 Degrees |
| Machine Swing Speed | 9 r/min |
| Gradeability - Maximum | 30 degrees |
|---|---|
| Ground Pressure - Maximum Weight | 33.8 kPa |
| Ground Pressure - Minimum Weight | 28.7 kPa |
| Maximum Traction Force - High Speed | 19 kN |
| Maximum Traction Force - Low Speed | 32.6 kN |
| Travel Speed - High | 5.2 km/h |
| Travel Speed - Low | 3.5 km/h |
| Angle Blade | 110 kg |
|---|---|
| Counterweight | 225 kg |
| Long Stick | 30 kg |
| Steel Tracks | 195 kg |
| Recyclability | 96% |
|---|
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