Get a Quote

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.

Cat Specs
Photos
Downloads

Weights

Operating Weight
28660 lb

Service Refill Capacities

Fuel Tank Capacity
55.48 gal (US)
Final Drive - Each
0.79 gal (US)
Swing Drive - Each
0.63 gal (US)
Cooling System
2.4 gal (US)
Engine Oil - With Filter
2.1 gal (US)
Hydraulic System - Including Tank
42.3 gal (US)
Hydraulic Tank
25.1 gal (US)

Engine

Bore
3.9 in
Stroke
4.33 in
Displacement
207 in³
Net Power - SAE J1349
70 HP
Flywheel Power
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 equiv
Gross Power - SAE J1995
74 HP
Engine Model
Cat® C3.4B

Hydraulic System

Maximum Pressure - Travel
5076 psi
Maximum Pressure - Swing
3336 psi
Pilot System - Maximum Flow
5.8 gal/min
Pilot System - Maximum Pressure
598 psi
Boom Cylinder - Bore
4 in
Boom Cylinder - Stroke
39 in
Stick Cylinder - Bore
4 in
Stick Cylinder - Stroke
47 in
Main System - Maximum Flow - Total
125 × 2 L/min (33 × 2 gal/min)
Maximum Pressure - Equipment
4424 psi
Bucket Cylinder - Bore
4 in
Bucket Cylinder - Stroke
37 in

Drive

Maximum Drawbar Pull
25696 lb
Maximum Travel Speed - Low
2.2 mile/h
Maximum Travel Speed - High
3.4 mile/h

Swing

Swing Torque
22791 ft·lbf
Swing Speed
10 r/min

Sound

ISO 6395 - Spectator Noise
99 dB(A)
ISO 6396 - Operator Noise (Closed)
72 dB(A)

Dimensions - Reach Boom - 4.3 m (14'1"); R2.8 m (9'2") Stick

Shipping Height
9.25 ft
Cab Height - With Top Guard
9.5 ft
Shipping Length - Long Undercarriage with Blade
24.67 ft
Handrail Height
9.25 ft
Track Length
11.42 ft
Shipping Height - Top of Boom
9.08 ft
Counterweight Clearance
3 ft
Tail Swing Radius
5.75 ft
Length - Center of Rollers
9.08 ft
Transport Width - 700 mm (28 in) Shoes
8.75 ft
Cab Height
9.08 ft
Shipping Length - Long Undercarriage
22.67 ft
Ground Clearance
1.42 ft
Track Gauge
6.5 ft

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"); R2.8 m (9'2") Stick

Maximum Vertical Wall Digging Depth
16 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 Reach - Ground Level
26.58 ft
Maximum Digging Depth
18.33 ft

Machine Weight

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.