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Description
Caterpillar
hydraulic mini-excavators
Customer-inspired** hydraulic mini-excavators
The compact Cat® 305 CR hydraulic mini-excavator delivers maximum power and performance for a wide range of applications.
Benefits
4 Market-leading features
Cat exclusives in a hydraulic mini-excavator
Up to 10% Lower Total Cost of Ownership
with extended service intervals, lower repair costs and easy service access
Up to 20% More Performance
in terms of lifting, excavating and multi-function capability
Specifications
| Engine Model | Cat® C2.4 |
| Net power | 30 kW |
| Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 | 30 kW |
| Operating Weight | 5185 kg |
| Weight - Canopy, Standard Stick | 4975 kg |
| Bore | 87 mm |
| Displacement | 2.4 l |
| Stroke | 102.4 mm |
| Maximum Traction Force - High Speed | 24.1 kN |
| Maximum Traction Force - Low Speed | 45.2 kN |
| Travel Speed - High | 4.4 km/h |
| Travel Speed - Low | 2.8 km/h |
| Auxiliary Circuit - Primary (186 bar/2,734 psi) | 80 l/min |
| Auxiliary Circuit - Secondary (174 bar/2,524 psi) | 25 l/min |
| Digging Force - Stick - Long | 21.3 kN |
| Digging Force - Stick - Standard | 24.7 kN |
| Operating Pressure - Equipment | 245 bar |
| Operating Pressure - Swing | 216 bar |
| Operating Pressure - Travel | 245 bar |
| Pump Flow at 2,400 rpm | 150 l/min |
| Machine Swing Speed | 10 r/min |
| Boom Swing - Left - With Stop* | 60° |
| Boom Swing - Left - Without Stop* | 80° |
| Boom Swing - Right | 50° |
| Width | 1980 mm |
| Height | 375 mm |
| Dig Depth | 555 mm |
| Lift Height | 405 mm |
| Cooling System | 10.5 l |
| Engine Oil | 9.5 l |
| Hydraulic Tank | 68.3 l |
| Fuel Tank | 63 l |
| Air Conditioning | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.4 metric tonnes. |
| Dynamic Operator Sound Pressure Level (ISO 6396:2008) | 81 dB(A) |
| Exterior Sound Power Level - ISO 6395:2008* | 96 dB(A) |
| Note | *European Union Directive “2000/14/EC” |
| Roll Over Protective Structure (ROPS) | ISO 12117-2 |
| Tip Over Protective Structure (TOPS) | ISO 12117 |
| Top Guard | ISO 10262 (Level I) |
| Boom Height - Shipping Position | 2150 mm |
| Boom In Reach | 2530 mm |
| Boom Swing - Left | 695 mm |
| Boom Swing - Right | 785 mm |
| Dig Depth | 3670 mm |
| Maximum Blade Depth | 555 mm |
| Maximum Blade Height | 405 mm |
| Maximum Dig Height | 5440 mm |
| Maximum Dump Clearance | 3920 mm |
| Maximum Reach | 5960 mm |
| Maximum Reach - Ground Level | 5810 mm |
| O/A Shipping Height | 2550 mm |
| O/A Shipping Length | 5290 mm |
| O/A Track Width | 1980 mm |
| O/A Undercarriage Length | 2580 mm |
| Swing Bearing - Height | 615 mm |
| Tail Swing | 1100 mm |
| Track Belt/Shoe Width | 400 mm |
| Vertical Wall | 2630 mm |
| Boom Height - Shipping Position | 1750 mm |
| Boom In Reach | 2350 mm |
| Boom Swing - Left | 695 mm |
| Boom Swing - Right | 785 mm |
| Dig Depth | 3280 mm |
| Maximum Blade Depth | 555 mm |
| Maximum Blade Height | 405 mm |
| Maximum Dig Height | 5250 mm |
| Maximum Dump Clearance | 3720 mm |
| Maximum Reach - Ground Level | 5330 mm |
| O/A Shipping Height | 2550 mm |
| O/A Shipping Length | 5180 mm |
| O/A Track Width | 1980 mm |
| O/A Undercarriage Length | 2580 mm |
| Swing Bearing - Height | 615 mm |
| Tail Swing | 1100 mm |
| Track Belt/Shoe Width | 400 mm |
| Vertical Wall | 2320 mm |
| Emissions | Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards. |
| Gross Power - ISO 14396 | 31.2 kW |
| Digging Force - Bucket | 44.7 kN |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Blade Down - Front | 2340 kg |
| Blade Down - Side | 1200 kg |
| Blade Up - Front | 1450 kg |
| Blade Up - Side | 1070 kg |
| Blade Down - Front | 1260 kg |
| Blade Down - Side | 640 kg |
| Blade Up - Front | 760 kg |
| Blade Up - Side | 570 kg |
| Stick Length - Long | 1750 mm |
| Stick Length - Standard | 1350 mm |
| Note | *Automatic swing brake, spring applied, hydraulic release. |
| Gradeability - Maximum | 30° |
| Ground Pressure - Cab | 30.5 kPa |
| Ground Pressure - Canopy | 29.5 kPa |
| Number of Carrier Rollers | 1 |
| Number of Track Rollers | 4 |
| Track Roller Type | Center Flange |
| Note | *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines. |
| Weight - Cab, Long Stick | 5185 kg |
| Weight - Cab, Standard Stick | 5140 kg |
| Weight - Canopy, Long Stick | 5020 kg |