Buying guide7 min read
Cat 305 Attachments and Hydraulics, Transport and Maintenance
Comparing the 305 CR, 305C CR, and 305D CR specs with guidance on attachments, hydraulics, transport planning, and PM costs for the Cat 305.
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SPECS / MINI EXCAVATORS
Caterpillar 305C CR Specs
Caterpillar 305C CR mini excavator specifications: excavator type Mini Excavator, weight 5318 kg, horsepower 35 kW, digging depth 351 cm.
Manufacturer specifications
| Specification | Metric | Imperial |
|---|---|---|
| Excavator Type | Mini Excavator | |
| Weight | 5318 kg | 11725 lbs |
| Horsepower | 35 kW | 47 HP |
| Digging Depth | 351 cm | 138 in. |
| Max Digging Depth | 351 cm | 138 in. |
| Max Loading Height | 381.0 cm | 150.0 in. |
| Max Reach Along Ground | 566.9 cm | 223.2 in. |
| Max Vertical Wall Digging Depth | 253.0 cm | 99.6 in. |
| Overall Length | 533.4 cm | 210.0 in. |
| Ground Clearance | 36.6 cm | 14.4 in. |
| Tail Swing Radius | 100.6 cm | 39.6 in. |
| Overall Width | 198.1 cm | 78.0 in. |
| Engine Make | Mitsubishi | |
| Engine Model | S4Q2-T | |
| Net Power | 35 kW | 47 HP |
| Gross Power | 36 kw | 48.5 hp |
| Rated Power | 2400 RPM | |
| Hydraulic Pump Flow Capacity | 129 LPM | 34.3 GPM |
| Hydraulic System Capacity | 78.0 l | 20.6 gal |
| Relief Valve Pressure | 245 Bar | 3553 psi |
| Operating Weight | 5318 kg | 11725 lbs |
| Max Travel Speed | 4.5 km | 2.8 mph |
| Swing Speed | 9 RPM | |
| Cab Height | 253.0 cm | 99.6 in. |
| Cooling Capacity | 11.0 l | 2.9 gal |
| Fuel Capacity | 71.9 l | 19.0 gal |
| Engine Oil Capacity | 7.2 l | 1.9 gal |
| Operating Voltage | Operating Voltage 12 V | |
| Stroke | 10.4 cm | 4.1 in |
| Bore | 8.9 cm | 3.5 in |
| Displacement | 2507.2 cc | 153 cu. in. |
| Shoe Size | 40.6 cm | 16.0 in. |
| No of Cylinders | 4 | |
| Max Cutting Height | 536.4 cm | 211.2 in. |
| Alternator | 50 A | |
| Track Gauge | 158.5 cm | 62.4 in. |
| Removal Counterweight Clearance | 61.0 cm | 24.0 in. |
Source: heavyequipments.net archive (imported 2026-10). Values may vary by variant and production year; seller claims are shown separately on the listing page.
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