311F L RR Hydraulic Excavator
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.
- Technical Specs
- Engine Model
- Cat® C3.4B
- Flywheel Power
- 70 hp
- Bore
- 3.90 in
- Stroke
- 4.33 in
- Displacement
- 207 in3
- Gross Power – SAE J1995
- 74 hp
- Net Power – SAE J1349
- 70 hp
- 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.
- Operating Weight
- 28660 lb
- Operating Weight*
- 28660 lb
- Note
- *4.3 m (14'1") reach boom, 2.8 m (9'2") stick, 700 mm (28") track shoes, without blade.
- Swing Torque
- 22791 lbf-ft
- Swing Speed
- 10 rpm
- Maximum Drawbar Pull
- 25696 lb
- Maximum Travel Speed – High
- 3.4 mph
- Maximum Travel Speed – Low
- 2.2 mph
- Maximum Pressure – Travel
- 5076 psi
- Maximum Pressure – Swing
- 3336 psi
- Pilot System – Maximum Flow
- 5.8 gal/min
- Pilot System – Maximum Pressure
- 598 psi
- Main System – Maximum Flow (Total)
- 125 × 2 L/min (33 × 2 gal/min)
- Maximum Pressure – Equipment
- 4424 psi
- Boom Cylinder – Bore
- 4 in
- Boom Cylinder – Stroke
- 39 in
- Stick Cylinder – Bore
- 4 in
- Stick Cylinder – Stroke
- 47 in
- Bucket Cylinder – Bore
- 4 in
- Bucket Cylinder – Stroke
- 37 in
- Cooling System
- 2.4 gal
- Swing Drive (each)
- 0.63 gal
- Final Drive (each)
- 0.79 gal
- Hydraulic System (including tank)
- 42.3 gal
- Hydraulic Tank
- 25.1 gal
- Engine Oil (with filter)
- 2.1 gal
- Fuel Tank Capacity
- 55.48 gal
- ISO 6396 – Operator Noise (Closed)
- 72 dB(A)
- ISO 6395 – Spectator Noise
- 99 dB(A)
- Shipping Height
- 9.25 ft
- Shipping Height at Boom Top
- 9.08 ft
- Handrail Height
- 9.25 ft
- Shipping Length – Long Undercarriage
- 22.67 ft
- Shipping Length – Long Undercarriage with Blade
- 24.67 ft
- Tail Swing Radius
- 5.75 ft
- Length to Center of Rollers
- 9.08 ft
- Track Length
- 11.42 ft
- Ground Clearance
- 1.42 ft
- Track Gauge
- 6.50 ft
- Transport Width – 700 mm (28") Shoes
- 8.75 ft
- Cab Height
- 9.08 ft
- Cab Height with Top Guard
- 9.50 ft
- Counterweight Clearance
- 3.00 ft
- Maximum Digging Depth
- 18.33 ft
- 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 Depth Cut for 2440 mm (8'0") Level Bottom
- 16.33 ft
- Maximum Vertical Wall Digging Depth
- 16.00 ft
- Number of Shoes (each side)
- 43 pieces
- Number of Track Rollers (each side)
- 6 pieces
- Number of Carrier Rollers (each side)
- 1 piece