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Caterpillar 311C Utility Hydraulic Excavator
Caterpillar 311C Utility Hydraulic ExcavatorIncreased horsepower, better controllability, extended service intervals and a redesigned operator station increase your productivity and lower your operating costs. |  |  | |||
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 | Overview & Specifications | |  | Features & Benefits | | | Standard Equipment | | | Optional Equipment | | | Work Tools & Attachments | ||
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| Engine | |
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| Engine Model | CatŪ 3064T |
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| Flywheel Power | 79 hp / 59 kW |
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| Gross Power | 82 hp / 61 kW |
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| ISO 9249 | 79 hp / 59 kW |
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| SAE J1349 | 79 hp / 59 kW |
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| EEC 80/1269 | 79 hp / 59 kW |
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| Bore | 4 in / 102 mm |
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| Stroke | 5.1 in / 130 mm |
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| Displacement | 259 in3 / 4.25 L |
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| Weights | |
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| Operating Weight | 26410 lb / 11980 kg |
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| Operating Weight - Standard Undercarriage | 26410 lb / 11980 kg |
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| Drive | |
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| Maximum Drawbar Pull | 20680 lb / 92 kN |
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| Travel Speed | 3.4 mph / 5.6 km/h |
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| Swing Mechanism | |
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| Swing Torque | 23060 lb ft / 31270 kN·m |
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| Swing Speed | 10.6 RPM / 10.6 RPM |
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| Hydraulic System | |
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| Main Implement System - Maximum Flow (2x) | 28 gal/min / 108 L/min |
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| Maximum Pressure - Implements | 4340 psi / 29900 kPa |
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| Maximum Pressure - Travel | 4980 psi / 34300 kPa |
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| Maximum Pressure - Swing | 3410 psi / 23500 kPa |
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| Pilot System - Maximum Flow | 6.4 gal/min / 24.3 L/min |
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| Pilot System - Maximum Pressure | 600 psi / 4120 kPa |
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| Blade - Maximum Flow | 14.1 gal/min / 53.2 L/min |
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| Blade System - Maximum Pressure | 2990 psi / 20594 kPa |
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| Boom Cylinder - Bore | 4 in / 100 mm |
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| Boom Cylinder - Stroke | 40 in / 1002 mm |
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| Stick Cylinder - Bore | 4.3 in / 110 mm |
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| Stick Cylinder - Stroke | 47 in / 1194 mm |
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| Bucket Cylinder - Bore | 4 in / 100 mm |
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| Bucket Cylinder - Stroke | 37 in / 939 mm |
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| Service Refill Capacities | |
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| Fuel Tank | 51.5 gal / 195 L |
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| Cooling System | 4.6 gal / 17.5 L |
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| Engine Oil | 5.2 gal / 19.5 L |
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| Swing Drive (each) | .8 gal / 3 L |
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| Final Drive (Each) | .8 gal / 3 L |
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| Hydraulic System (Including Tank) | 42.3 gal / 160 L |
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| Hydraulic Tank | 24.3 gal / 92 L |
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| Dimensions | |
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| Transport width | 98.03 in / 2490 mm |
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