The Caterpillar 320F L is a hydraulic excavator in Caterpillar's 20-ton class, designed for general earthmoving, trenching, utility work, and site preparation. It is powered by a fuel-efficient Cat diesel engine and uses a hydraulic system optimized for smooth control, digging force, and cycle performance. The 320F L features a long undercarriage for improved stability and ground contact, along with a spacious operator cab, intuitive controls, and service access designed to support routine maintenance. Common attachments include buckets, hydraulic hammers, and thumbs. The model is used in construction, infrastructure, and material handling applications.
Dimensions
Caterpillar 320F L Excavator Dimensions specifications
Height
10.25 ft (3.12 m)
Length
31.33 ft (9.55 m)
Weight
49,200.00 lbs (22,316.77 kg)
Width
10.42 ft (3.18 m)
Drive
Caterpillar 320F L Excavator Drive specifications
Maximum Drawbar Pull
46,086.00 lbs (20,904.28 kg)
Maximum Travel Speed - High
3.50 mph (5.63 kph)
Engine
Caterpillar 320F L Excavator Engine specifications
Bore
4.20 in (10.67 cm)
Displacement
269.00 cu in (4,408.13 cu cm)
Emissions
The 320F meets Tier 4 Final emission standards.
Engine Model
Cat C4.4 ACERT
Engine Power - Iso 14396
164.00 hp (122.30 kw)
Net Flywheel Power
161.00 hp (120.06 kw)
Net Power - Sae J1349
161.00 hp (120.06 kw)
Stroke
5.00 in (12.70 cm)
Hydraulic System
Caterpillar 320F L Excavator Hydraulic System specifications
Boom Cylinder - Bore
5.00 in (12.70 cm)
Boom Cylinder - Stroke
50.00 in (127.00 cm)
Bucket Cylinder - Bore
5.00 in (12.70 cm)
Bucket Cylinder - Stroke
43.00 in (109.22 cm)
Main System - Maximum Flow - Total
113.10 gpm (428.08 lpm)
Maximum Pressure - Equipment - Heavy Lift
5511 psi
Maximum Pressure - Equipment - Normal
5076 psi
Maximum Pressure - Swing
3626 psi
Maximum Pressure - Travel
5076 psi
Pilot System - Maximum Flow - Total
6.40 gpm (24.22 lpm)
Pilot System - Maximum Pressure
569 psi
Stick Cylinder - Bore
6.00 in (15.24 cm)
Stick Cylinder - Stroke
59.00 in (149.86 cm)
Operational
Caterpillar 320F L Excavator Operational specifications
Operating Weight
49,200.00 lbs (22,316.77 kg)
Service Refill Capacities
Caterpillar 320F L Excavator Service Refill Capacities specifications
Cooling System
7.90 gal (29.90 l)
Def Tank Capacity
5.50 gal (20.82 l)
Engine Oil
6.60 gal (24.98 l)
Final Drive
2.10 gal (7.95 l)
Fuel Tank Capacity
108.30 gal (409.92 l)
Hydraulic System - Including Tank
68.70 gal (260.03 l)
Hydraulic Tank
30.40 gal (115.06 l)
Swing Drive
2.10 gal (7.95 l)
Sound Performance
Caterpillar 320F L Excavator Sound Performance specifications
Iso 6395 - Exterior
97 dB(A)
Iso 6396 - Inside Cab
68 dB(A)
Swing Mechanism
Caterpillar 320F L Excavator Swing Mechanism specifications
Swing Speed
11.2 rpm
Swing Torque
45,581.00 lbs ft (61,798.72 nm)
Track
Caterpillar 320F L Excavator Track specifications
Number Of Carrier Rollers - Each Side
2 pieces
Number Of Shoes - Each Side
49 pieces
Number Of Track Rollers - Each Side
8 pieces
Weights
Caterpillar 320F L Excavator Weights specifications
Note
Reach Boom, R2.9 m (9'6") stick, GD 1.19 m3 (1.56 yd3) bucket and 790 mm (31") TG shoes.
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