The Cat® 305.5E2 CR Mini Hydraulic Excavator delivers high performance, durability and versatility in a compact design to help you work in a variety of applications.
Net Power | 44.1 HP |
Engine Model | Cat® C2.4 |
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269 | 44.1 HP |
Bore | 3.4 in |
Stroke | 4 in |
Displacement | 146 in³ |
Gross Power - ISO 14396 | 45.7 HP |
Emissions | Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards. |
Operating Weight | 11958 lb |
Weight - Canopy, Standard Stick | 11503 lb |
Weight - Cab, Long Stick | 11958 lb |
Note | *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines. |
Weight - Cab, Standard Stick | 11863 lb |
Weight - Canopy, Long Stick | 11596 lb |
Travel Speed - High | 2.8 mile/h |
Maximum Traction Force - High Speed | 6025 lb |
Travel Speed - Low | 1.7 mile/h |
Maximum Traction Force - Low Speed | 10746 lb |
Ground Pressure - Canopy | 4.5 psi |
Ground Pressure - Cab | 4.6 psi |
Gradeability - Maximum | 30° |
Operating Pressure - Travel | 3553 psi |
Digging Force - Stick - Long | 5575 lb |
Operating Pressure - Swing | 3132 psi |
Operating Pressure - Equipment | 3553 psi |
Digging Force - Stick - Standard | 6500 lb |
Pump Flow at 2,400 rpm | 39.6 gal/min |
Maximum Auxiliary Circuit - Primary - Pressure | 3553 psi |
Maximum Auxiliary Circuit - Secondary - Pressure | 3553 psi |
Maximum Auxiliary Circuit - Secondary - Flow | 6.6 gal/min |
Maximum Auxiliary Circuit - Primary - Flow | 21.1 gal/min |
Digging Force - Bucket | 11445 lb |
Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
Machine Swing Speed | 10 r/min |
Boom Swing - Right | 50° |
Boom Swing - Left - Without Stop* | 80° |
Boom Swing - Left - With Stop* | 60° |
Note | *Automatic swing brake, spring applied, hydraulic release. |
Width | 78 in |
Height | 14.8 in |
Dig Depth | 21.9 in |
Lift Height | 15.9 in |
Hydraulic Tank | 18 gal (US) |
Cooling System | 2.8 gal (US) |
Fuel Tank | 16.6 gal (US) |
Engine Oil | 2.5 gal (US) |
Hydraulic System | 20.6 gal (US) |
Dig Depth | 152 in |
Boom Swing - Right | 31 in |
O/A Shipping Length | 215 in |
Vertical Wall | 107 in |
O/A Shipping Height | 100 in |
Maximum Blade Depth | 22 in |
Maximum Dump Clearance | 161 in |
Maximum Reach - Ground Level | 237 in |
Maximum Blade Height | 16 in |
Tail Swing | 44 in |
Swing Bearing - Height | 24 in |
Maximum Dig Height | 220 in |
Boom Swing - Left | 27 in |
Track Belt/Shoe Width | 16 in |
Maximum Reach | 243 in |
O/A Track Width | 78 in |
Boom In Reach | 100 in |
O/A Undercarriage Length | 102 in |
Boom Height - Shipping Position | 85 in |
Stick Length - Long | 70 in |
Counterweight | 364.4 lb |
Stick Length - Standard | 55 in |
Boom In Reach | 94 in |
O/A Shipping Height | 100 in |
Dig Depth | 137 in |
Maximum Blade Depth | 22 in |
Track Belt/Shoe Width | 16 in |
O/A Undercarriage Length | 102 in |
Maximum Blade Height | 16 in |
O/A Shipping Length | 210 in |
Maximum Reach - Ground Level | 222 in |
Boom Swing - Right | 31 in |
Maximum Dig Height | 210 in |
Vertical Wall | 92 in |
Tail Swing | 44 in |
Boom Height - Shipping Position | 69 in |
Boom Swing - Left | 27 in |
O/A Track Width | 78 in |
Maximum Dump Clearance | 150 in |
Swing Bearing - Height | 24 in |
Maximum Reach | 228 in |
Number of Carrier Rollers | 1 |
Track Roller Type | Center Flange |
Number of Track Rollers | 4 |
Blade Up - Front | 3417 lb |
Blade Up - Side | 2535 lb |
Blade Down - Side | 2844 lb |
Blade Down - Front | 5710 lb |
Blade Down - Front | 3042 lb |
Blade Up - Side | 1367 lb |
Blade Up - Front | 1808 lb |
Blade Down - Side | 1521 lb |
Tip Over Protective Structure (TOPS) | ISO 12117 |
Top Guard | ISO 10262 (Level I) |
Roll Over Protective Structure (ROPS) | ISO 12117-2 |
Dynamic Operator Sound Pressure Level (ISO 6396:2008) | 81 dB(A) |
Note | *European Union Directive “2000/14/EC” |
Exterior Sound Power Level - ISO 6395:2008* | 97 dB(A) |
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. |