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304 Mini Excavator
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Learn more about the 304 Mini Excavator
Product Specs
Engine
| Net Power | 45 HP |
| Engine Model | C1.7 Turbo |
| Gross Power - 2,400 rpm - SAE J1995:2014 | 48.4 HP |
| Bore | 3.3 in |
| Emissions | Meets U.S. EPA Tier 4 Final and EU Stage V emission standards. |
| Stroke | 3.9 in |
| Displacement | 101 in³ |
| Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC | 45 HP |
| 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. |
Weights
| Operating Weight | 9867 lb |
| Minimum Operating Weight with Canopy* | 8655 lb |
| Maximum Operating Weight with Canopy** | 9647 lb |
| Note (2) | **Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, straight blade, extra counterweight and no bucket. |
| Note (1) | *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** | 9867 lb |
| Minimum Operating Weight with Cab* | 8875 lb |
Weight Increase from Minimum Configuration
| Steel Tracks | 430 lb |
| Counterweight | 496 lb |
| Angle Blade | 243 lb |
| Long Stick | 66 lb |
Travel System
| Ground Pressure - Minimum Weight | 4.2 psi |
| Maximum Traction Force - Low Speed | 7329 lbf |
| Travel Speed - Low | 2.2 mile/h |
| Ground Pressure - Maximum Weight | 4.9 psi |
| Travel Speed - High | 3.2 mile/h |
| Maximum Traction Force - High Speed | 4271 lbf |
| Gradeability - Maximum | 30 degrees |
Service Refill Capacities
| Cooling System | 2.9 gal (US) |
| Engine Oil | 1.6 gal (US) |
| Hydraulic System | 17 gal (US) |
| Fuel Tank | 17 gal (US) |
| Hydraulic Tank | 14 gal (US) |
Hydraulic System
| Operating Pressure - Travel | 3553 psi |
| Auxiliary Circuit - Secondary - Pressure | 3553 psi |
| Digging Force - Stick - Long | 4316 lbf |
| Auxiliary Circuit - Secondary - Flow | 7 gal/min |
| Pump Flow at 2,400 rpm | 25 gal/min |
| Operating Pressure - Swing | 2611 psi |
| Auxiliary Circuit - Primary - Flow | 21 gal/min |
| Auxiliary Circuit - Primary - Pressure | 3553 psi |
| Note | Flow and pressure are not combinable. Under load, as flow rises pressure goes down. |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Digging Force - Stick - Standard | 4721 lbf |
| Digging Force - Bucket | 8588 lbf |
| Operating Pressure - Equipment | 3553 psi |
Swing System
| Boom Swing - Right | 50 Degrees |
| Machine Swing Speed | 9 r/min |
| Boom Swing - Left | 78 Degrees |
Blade
| Angle Blade Height | 14.2 in |
| Straight Blade Height | 14.2 in |
| Straight Blade Width | 66.9 in |
| Angle Blade Width | 66.9 in |
| Angle Blade - Right | 25 Degrees |
| Angle Blade - Left | 25 Degrees |
Certification - Cab and Canopy
| Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 |
| Top Guard | ISO 10262:1998 (Level I) |
| Tip Over Protective Structure (TOPS) | ISO 12117:1997 |
Sound
| Average Exterior Sound Pressure (ISO 6395:2008) | 97 dB(A) |
| Operator Sound Pressure (ISO 6396:2008) | 76 dB(A) |
| Note | European Union Directive “2000/14/EC” |
Dimensions - Standard Stick
| Maximum Reach - Ground Level | 204.7 in |
| Vertical Wall | 94.3 in |
| Note | *Overall Shipping Length depends on blade position during shipment. |
| Tail Swing with Counterweight | 51.2 in |
| Boom In Reach | 88.8 in |
| Dig Depth | 126.4 in |
| Maximum Dig Height | 198.4 in |
| Maximum Blade Height | 16.5 in |
| Swing Bearing - Height | 21.9 in |
| Boom Swing - Left | 20.9 in |
| Stick Length | 54.9 in |
| O/A Undercarriage Length | 87 in |
| Track Belt/Shoe Width | 13.8 in |
| Boom Height - Shipping Position | 63.8 in |
| Boom Swing - Right | 28.7 in |
| Maximum Dump Clearance | 143.5 in |
| Ground Clearance | 12 in |
| Maximum Reach | 209.8 in |
| O/A Shipping Height | 100 in |
| Tail Swing without Counterweight | 47.4 in |
| Maximum Blade Depth | 18.7 in |
| Overall Shipping Length* | 194.9 in |
Dimensions - Long Stick
| Dig Depth | 138.2 in |
| Maximum Blade Depth | 18.7 in |
| O/A Shipping Height | 100 in |
| Maximum Dump Clearance | 147.2 in |
| Stick Length | 66.7 in |
| Maximum Dig Height | 201.8 in |
| Maximum Reach - Ground Level | 214.4 in |
| Track Width | 66.9 in |
| Tail Swing with Counterweight | 51.2 in |
| Swing Bearing - Height | 21.9 in |
| Boom Height - Shipping Position | 75.2 in |
| Boom Swing - Left | 20.9 in |
| Maximum Reach | 219.3 in |
| Boom In Reach | 92.1 in |
| Boom Swing - Right | 28.7 in |
| Track Belt/Shoe Width | 13.8 in |
| Vertical Wall | 99.8 in |
| Maximum Blade Height | 16.5 in |
| Note | *Overall Shipping Length depends on blade position during shipment. |
| Overall Shipping Length* | 194.9 in |
| Ground Clearance | 12 in |
| O/A Undercarriage Length | 87 in |
| Tail Swing without Counterweight | 47.4 in |
Sustainability
| Recyclability | 96% |