Category : Excavators ➔ Manufacturer : Caterpillar ➔ Model : 311F ➔
The Caterpillar 311F is a hydraulic excavator in Caterpillar's F Series lineup, designed for general excavation, trenching, site preparation, and utility work. It is a compact to mid-size machine used in construction, landscaping, and municipal applications where maneuverability and digging performance are required. The 311F typically features a Caterpillar diesel engine, hydraulic system, enclosed cab options, and compatibility with a range of buckets and attachments. Its operating configuration supports efficient digging, lifting, and material handling in confined jobsite conditions. The Caterpillar 311F is part of the excavator category and is commonly referenced for reliability, serviceability, and versatile jobsite use.
Dimensions
Caterpillar 311F Excavator Dimensions specifications
Height
9.25 ft (2.82 m)
Length
24.67 ft (7.52 m)
Weight
30,600.00 lbs (13,879.94 kg)
Width
9.08 ft (2.77 m)
Drive
Caterpillar 311F Excavator Drive specifications
Maximum Drawbar Pull
25,700.00 lbs (11,657.34 kg)
Maximum Travel Speed
3.40 mph (5.47 kph)
Maximum Travel Speed - High
3.40 mph (5.47 kph)
Maximum Travel Speed - Low
2.20 mph (3.54 kph)
Engine
Caterpillar 311F Excavator Engine specifications
Bore
3.90 in (9.91 cm)
Displacement
207.00 cu in (3,392.13 cu cm)
Engine Model
Cat C3.4B
Flywheel Power
70.00 hp (52.20 kw)
Gross Power - Sae J1995
74.00 hp (55.18 kw)
Net Power - Sae J1349
70.00 hp (52.20 kw)
Stroke
4.40 in (11.18 cm)
Hydraulic System
Caterpillar 311F Excavator Hydraulic System specifications
Boom Cylinder - Bore
4.00 in (10.16 cm)
Boom Cylinder - Stroke
39.00 in (99.06 cm)
Bucket Cylinder - Bore
4.00 in (10.16 cm)
Bucket Cylinder - Stroke
37.00 in (93.98 cm)
Main System - Maximum Flow - Total
125 2 L/min (33 2 gal/min)
Maximum Pressure - Equipment
4424 psi
Maximum Pressure - Swing
3336 psi
Maximum Pressure - Travel
5076 psi
Pilot System - Maximum Flow
21.9 L/min (1,336 in3/min)
Pilot System - Maximum Pressure
598 psi
Stick Cylinder - Bore
4.00 in (10.16 cm)
Stick Cylinder - Stroke
47.00 in (119.38 cm)
Operational
Caterpillar 311F Excavator Operational specifications
Operating Weight
30,600.00 lbs (13,879.94 kg)
Service Refill Capacities
Caterpillar 311F Excavator Service Refill Capacities specifications
Cooling System
4.80 gal (18.17 l)
Engine Oil - With Filter
2.10 gal (7.95 l)
Final Drive - Each
0.80 gal (3.03 l)
Fuel Tank Capacity
55.50 gal (210.07 l)
Hydraulic System - Including Tank
42.30 gal (160.11 l)
Hydraulic Tank
25.10 gal (95.00 l)
Swing Drive - Each
0.80 gal (3.03 l)
Sound
Caterpillar 311F Excavator Sound specifications
Iso 6395 - Spectator Noise
99 dB(A)
Iso 6396 - Operator Noise (Closed)
72 dB(A)
Swing
Caterpillar 311F Excavator Swing specifications
Swing Speed
10 rpm
Swing Torque
22,791.00 lbs ft (30,900.04 nm)
Track
Caterpillar 311F Excavator Track specifications
Number Of Carrier Rollers - Each Side
1 piece
Number Of Shoes - Each Side
43 pieces
Number Of Track Rollers - Each Side
6 pieces
Weights
Caterpillar 311F Excavator Weights specifications
Maximum Operating Weight
30,600.00 lbs (13,879.94 kg)
Minimum Operating Weight
27,300.00 lbs (12,383.09 kg)
