If you want a machine with the power to match your jobs but owning and operating costs to fit your business, then the Cat® 311F L RR excavator is your answer. Its reduced radius will get you into some pretty tight spots, and its reasonable price and miserly fuel burn will help you operate on a tight budget.
| Engine | |
|---|---|
| Engine Model | Cat® C3.4B |
| Flywheel Power | 70 HP / 52 kW |
| Bore | 3.9 in / 99 mm |
| Stroke | 4.33 in / 110 mm |
| Displacement | 207 in³ / 3.4 l |
| Gross Power - SAE J1995 | 74 HP / 55 kW |
| Net Power - SAE J1349 | 70 HP / 52 kW |
| Note | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.9 kg of refrigerant which has a CO2 equivalent of 1.287 metric tonnes. |
| Weights | |
|---|---|
| Operating Weight | 28660 lb / 13000 kg |
| Machine Weight | |
|---|---|
| Note | *4.3 m (14'1") reach boom, 2.8 m (9'2") stick, 700 mm (28") track shoes, without blade. |
| Operating Weight* | 28660 lb / 13000 kg |
| Swing | |
|---|---|
| Swing Speed | 10 r/min |
| Swing Torque | 22791 ft·lbf / 30.9 kN·m |
| Drive | |
|---|---|
| Maximum Drawbar Pull | 25696 lb / 114.3 kN |
| Maximum Travel Speed - High | 3.4 mile/h / 5.4 km/h |
| Maximum Travel Speed - Low | 2.2 mile/h / 3.6 km/h |
| Hydraulic System | |
|---|---|
| Main System - Maximum Flow - Total | 125 × 2 L/min (33 × 2 gal/min) |
| Maximum Pressure - Equipment | 4424 psi / 30.5 MPa |
| Maximum Pressure - Swing | 3336 psi / 23 MPa |
| Maximum Pressure - Travel | 5076 psi / 35 MPa |
| Pilot System - Maximum Flow | 5.8 gal/min / 21.9 l/min |
| Pilot System - Maximum Pressure | 598 psi / 4120 kPa |
| Boom Cylinder - Bore | 4 in / 100 mm |
| Boom Cylinder - Stroke | 39 in / 1002 mm |
| Bucket Cylinder - Bore | 4 in / 100 mm |
| Bucket Cylinder - Stroke | 37 in / 939 mm |
| Stick Cylinder - Bore | 4 in / 110 mm |
| Stick Cylinder - Stroke | 47 in / 1194 mm |
| Service Refill Capacities | |
|---|---|
| Cooling System | 2.4 gal (US) / 9 l |
| Swing Drive - Each | 0.63 gal (US) / 2.4 l |
| Final Drive - Each | 0.79 gal (US) / 3 l |
| Hydraulic System - Including Tank | 42.3 gal (US) / 160 l |
| Hydraulic Tank | 25.1 gal (US) / 95 l |
| Engine Oil - With Filter | 2.1 gal (US) / 8 l |
| Fuel Tank Capacity | 55.48 gal (US) / 210 l |
| Sound | |
|---|---|
| ISO 6395 - Spectator Noise | 99 dB(A) |
| ISO 6396 - Operator Noise (Closed) | 72 dB(A) |
| Dimensions - Reach Boom - 4.3 m (14'1 | |
|---|---|
| Cab Height | 9.08 ft / 2760 mm |
| Cab Height - With Top Guard | 9.5 ft / 2920 mm |
| Counterweight Clearance | 3 ft / 915 mm |
| Ground Clearance | 1.42 ft / 440 mm |
| Handrail Height | 9.25 ft / 2820 mm |
| Length - Center of Rollers | 9.08 ft / 2780 mm |
| Shipping Height | 9.25 ft / 2820 mm |
| Shipping Height - Top of Boom | 9.08 ft / 2760 mm |
| Shipping Length - Long Undercarriage | 22.67 ft / 6920 mm |
| Shipping Length - Long Undercarriage with Blade | 24.67 ft / 7540 mm |
| Tail Swing Radius | 5.75 ft / 1750 mm |
| Track Gauge | 6.5 ft / 1990 mm |
| Track Length | 11.42 ft / 3490 mm |
| Transport Width - 700 mm (28 in) Shoes | 8.75 ft / 2690 mm |
| Track | |
|---|---|
| Number of Carrier Rollers - Each Side | 1 piece |
| Number of Shoes - Each Side | 43 pieces |
| Number of Track Rollers - Each Side | 6 pieces |
| Working Ranges - Reach Boom - 4.3 m (14'1 | |
|---|---|
| Maximum Cutting Height | 26.67 ft / 8140 mm |
| Maximum Digging Depth | 18.33 ft / 5590 mm |
| Maximum Loading Height | 18.92 ft / 5770 mm |
| Maximum Reach - Ground Level | 26.58 ft / 8100 mm |
| Maximum Vertical Wall Digging Depth | 16 ft / 4880 mm |
| Minimum Loading Height | 4.33 ft / 1330 mm |
| Product Specifications | |
|---|---|
| Maximum Depth Cut for 2440 mm (8'0") Level Bottom | 16.33 ft / 4990 mm |
| Model | Impact Energy Class | Blows per Minute | |
|---|---|---|---|
| H110E S | 2000 ft·lbf / 2712 J | 450-1000 | |
| H115E S | 3000 ft·lbf / 4067 J | 370-800 |
| Model | Weight | Width - Machine Interface | Lifting Eye Working Load Limit |
|---|---|---|---|
| Pin Grabber Excavator Coupler - 312-Linkage | 414 lb / 188 kg | 15 in / 381 mm | 11 ton (US) / 10 ton (US) |
| Pin Grabber Excavator Coupler - B-Linkage | 837 lb / 380 kg | 20.2 in / 512 mm | 11 ton (US) / 10 ton (US) |
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