305 SR
The Cat® 305 SR Mini Hydraulic Excavator delivers high performance, durability and versatility in a compact design to help you work in a variety of applications.
| Operating Weight | 9245 kg |
|---|---|
| Maximum Operating Weight with Standard Stick** | 9245 kg |
| Minimum Operating Weight with Standard Stick* | 8655 kg |
| Note (1) | *Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, blade, and no bucket. |
| Note (2) | **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, blade, and no bucket. |
| Dig Depth | 3815 mm |
|---|---|
| Boom in Reach | 3120 mm |
| Boom Swing Left | 605 mm |
| Boom Swing Right | 935 mm |
| Cab Height | 2541 mm |
| Ground Clearance | 350 mm |
| Maximum Blade Depth | 407 mm |
| Maximum Blade Height | 370 mm |
| Maximum Dig Height | 5220 mm |
| Maximum Dump Clearance | 3450 mm |
| Maximum Reach | 6515 mm |
| Maximum Reach at Ground Level | 6300 mm |
| Overall Shipping Length | 6450 mm |
| Overall Track Width | 2300 mm |
| Overall Undercarriage Length | 2880 mm |
| Stick Length | 1820 mm |
| Swing Bearing Height | 756 mm |
| Tail Swing with Counterweight | 1585 mm |
| Tail Swing without Counterweight | 1450 mm |
| Track Belt/Shoe Width | 450 mm |
| Transport Height | 2475 mm |
| Net Power | 51.8 kW |
|---|---|
| Bore | 94 mm |
| Stroke | 120 mm |
| Displacement | 3.33 l |
| Gross Power - SAE J1995 | 55.4 kW |
| Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC | 51.8 kW |
| Height | 431 mm |
|---|---|
| Width - Standard | 2300 mm |
| Width - Wide | 2450 mm |
| Fuel Tank | 147 l |
|---|---|
| Cooling System | 10 l |
| Engine Oil | 11.2 l |
| Hydraulic System | 110 l |
| Hydraulic Tank | 53 l |
| Boom in Reach | 2710 mm |
|---|---|
| Boom Swing Left | 605 mm |
| Boom Swing Right | 935 mm |
| Cab Height | 2541 mm |
| Dig Depth | 3460 mm |
| Ground Clearance | 350 mm |
| Maximum Blade Depth | 407 mm |
| Maximum Blade Height | 370 mm |
| Maximum Dig Height | 8180 mm |
| Maximum Dump Clearance | 6285 mm |
| Maximum Reach | 7885 mm |
| Maximum Reach at Ground Level | 7715 mm |
| Overall Shipping Length | 6450 mm |
| Overall Track Width | 2300 mm |
| Overall Undercarriage Length | 2880 mm |
| Stick Length | 1820 mm |
| Swing Bearing Height | 756 mm |
| Tail Swing with Counterweight | 1585 mm |
| Tail Swing without Counterweight | 1450 mm |
| Track Belt/Shoe Width | 450 mm |
| Transport Height | 2475 mm |
| Vertical Wall | 3725 mm |
| Digging Force - Bucket | 62 kN |
|---|---|
| Digging Force - Stick - Standard | 42.3 kN |
| Maximum Auxiliary Circuit - Primary - Flow at Pump | 131 l/min |
| Maximum Auxiliary Circuit - Primary - Pressure at Pump | 285 bar |
| Maximum Auxiliary Circuit - Secondary - Flow at Pump | 33 l/min |
| Maximum Auxiliary Circuit - Secondary - Pressure at Pump | 285 bar |
| Operating Pressure - Equipment | 285 bar |
| Operating Pressure - Swing | 250 bar |
| Operating Pressure - Travel | 285 bar |
| Pump Flow at 2,400 rpm | 167 l/min |
| Operator Sound Pressure (ISO 6396:2008) | 72 dB(A) |
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| Boom Swing - Left | 60 degrees |
|---|---|
| Boom Swing - Right | 50 degrees |
| Machine Swing Speed | 10.6 r/min |
| Gradeability - Maximum | 30 degrees |
|---|---|
| Ground Pressure - Maximum Weight | 40.6 kPa |
| Ground Pressure - Minimum Weight | 37.9 kPa |
| Maximum Traction Force - High Speed | 27.8 kN |
| Maximum Traction Force - Low Speed | 67.5 kN |
| Travel Speed - High | 5.1 km/h |
| Travel Speed - Low | 3.1 km/h |
| Counterweight | 250 kg |
|---|---|
| Steel Tracks with Pads | 341 kg |
| Recyclability | 96% |
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