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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.
| Net Power - ISO 9249 | 71 HP |
| Engine Model | C3.4B |
| Engine Power - ISO 14396 | 74 HP |
| Bore | 3.9 in |
| Stroke | 4.33 in |
| Displacement | 207 in³ |
| Main System - Maximum Flow | 125 × 2 L/min (33 × 2 gal/min) |
| Maximum Pressure - Equipment | 4424 psi |
| Maximum Pressure - Swing | 3336 psi |
| Maximum Pressure - Travel | 5076 psi |
| Swing Speed | 10 r/min |
| Maximum Swing Torque | 22791 ft·lbf |
| Operating Weight | 28660 lb |
| Fuel Tank Capacity | 55.48 gal (US) |
| Cooling System | 2.4 gal (US) |
| Engine Oil | 2.1 gal (US) |
| Swing Drive | 0.63 gal (US) |
| Final Drive - Each | 0.79 gal (US) |
| Hydraulic System - Including Tank | 42.3 gal (US) |
| Hydraulic Tank | 25.1 gal (US) |
| Boom | 4.3 m (14'1" ft) |
| Stick | R2.8 m (9'2") |
| Bucket | GD 0.53 m3 (0.69 yd3) |
| Shipping Height - Top of Cab | 9.08 ft |
| Handrail Height | 9.25 ft |
| Shipping Length | 22.67 ft |
| Shipping Length - with Blade | 24.67 ft |
| Tail Swing Radius | 5.75 ft |
| Counterweight Clearance | 3 ft |
| Ground Clearance | 1.42 ft |
| Track Length | 11.42 ft |
| Length to Center of Rollers | 9.08 ft |
| Track Gauge | 6.5 ft |
| Transport Width | 8.75 ft |
| Maximum Digging Depth | 18.33 ft |
| Boom | 4.3 m (14'1" ft) |
| Stick | R2.8 m (9'2") |
| Bucket | GD 0.53 m3 (0.69 yd3) |
| Maximum Reach at Ground Level | 26.58 ft |
| Maximum Cutting Height | 26.67 ft |
| Maximum Loading Height | 18.92 ft |
| Minimum Loading Height | 4.33 ft |
| Maximum Vertical Wall Digging Depth | 16 ft |
| Bucket Digging Force (ISO) | 20007 lbf |
| Stick Digging Force (ISO) | 11690 lbf |
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