CaterpillarCaterpillar
305.5E CR
Mini Excavator
4 specifications
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Specifications
71 data points
Engine
| Engine Model | Cat C2.4 Turbo |
|---|---|
| Displacement | 148 in³ |
| Net Power | 55.9 hp |
| Stroke | 4 in |
| Bore | 3 in |
Weights
| Operating Weight | 18,152 lb |
|---|
Hydraulic System
| Operating Pressure - Equipment | 4,134 psi |
|---|---|
| Operating Pressure - Swing | 3,626 psi |
| Operating Pressure - Travel | 4,134 psi |
| Digging Force - Bucket | 12,272 lb |
| Digging Force - Stick - Standard | 8,504 lb |
| Digging Force - Stick - Long | 7,579 lb |
| Hydraulic System Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Pump Flow at 2,400 rpm | 44.0 gal/min |
| Auxiliary Circuit - Secondary - Flow | 9.0 gal/min |
| Auxiliary Circuit - Secondary - Pressure | 4,134 psi |
| Auxiliary Circuit - Primary - Flow | 35.0 gal/min |
| Auxiliary Circuit - Primary - Pressure | 4,134 psi |
General Specifications
| Net Power | 54.80 hp (40.87 kw) Starting 2023 Model Year |
|---|---|
| Operating Weight lbs (kg) | 18,152 (8,233.6) Starting 2025 Model Year |
| Operating Weight | 17,905.00 lbs (8,121.58 kg) Starting 2023 Model Year |
| Max Digging Depth | 182.8 in ft (55.72 m) Starting 2023 Model Year |
| Digging Depth ft (m) | 15.3 (4.7) Starting 2025 Model Year |
| Engine hp (kW) | 55.9 (41.7) Starting 2025 Model Year |
| Digging Reach ft. (m) | 22.3 (6.8) Starting 2025 Model Year |
| Engine | C2.4 Starting 2023 Model Year |
Service Refill Capacities
| Engine Oil | 2.5 gal |
|---|---|
| Hydraulic Tank | 14.0 gal |
| Fuel Tank | 38.0 gal |
| Hydraulic System | 27.0 gal |
| Cooling System | 2.6 gal |
Blades
| Blade Width | 90 in |
|---|---|
| Blade Height | 17 in |
Swing System
| Machine Swing Speed | 10 rpm |
|---|
Travel System
| Travel Speed - High | 3.1 mph |
|---|---|
| Travel Speed - Low | 1.9 mph |
| Maximum Traction Force - High Speed | 5,856 lb |
| Maximum Traction Force - Low Speed | 14,035 lb |
| Gradeability - Maximum | 30 ° |
| Ground Pressure - Maximum Weight | 5 psi |
| Ground Pressure - Minimum Weight | 5 psi |
Dimensions - Long Stick
| Boom In Reach | 89 in |
|---|---|
| Dig Depth | 183 in |
| Maximum Blade Depth | 16 in |
| Maximum Blade Height | 14 in |
| Maximum Dig Height | 305 in |
| Maximum Dump Clearance | 225 in |
| Maximum Reach | 268 in |
| Maximum Reach - Ground Level | 263 in |
| O/A Undercarriage Length | 113 in |
| Swing Bearing - Height | 29 in |
| Track Belt/Shoe Width | 18 in |
| Vertical Wall | 162 in |
| O/A Shipping Length | 246 in |
| O/A Track Width | 87 in |
| Stick Length | 87 in |
Dimensions - Standard Stick
| Boom In Reach | 66 in |
|---|---|
| Dig Depth | 162 in |
| Maximum Blade Depth | 16 in |
| Maximum Blade Height | 14 in |
| Maximum Dig Height | 289 in |
| Maximum Dump Clearance | 208 in |
| Maximum Reach | 248 in |
| Maximum Reach - Ground Level | 242 in |
| O/A Undercarriage Length | 113 in |
| Swing Bearing - Height | 29 in |
| Track Belt/Shoe Width | 18 in |
| Vertical Wall | 142 in |
| O/A Shipping Length | 242 in |
| O/A Track Width | 87 in |
| Stick Length | 66 in |
Comparable machines
Other mini excavators in a similar weight class.
