320F L (2017)

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The Cat® 320F L is built for those who need strong, reliable performance at a low cost per hour. The machine features an efficient C4.4 ACERT™ engine that's light on fuel. It also has a proven hydraulic system that will help you take on a variety of tasks. Unlike other brands in its size class, the machine comes equipped with more unique attributes: Robust structures, strong and stable undercarriage, a quiet and comfortable roll-over protective structure (ROPS) cab, and easy-to-reach service points are just a few. Bottom line: If you are looking for a reliable, durable, low-cost-per-hour excavator to get your work done – backed by unmatched support from a brand you can trust – look no further than the 320F L. It simply makes a great deal of business sense.


Engine Model C4.4 ACERT C4.4 ACERT Less
Net Flywheel Power 161.0 HP 120.0 kW Less
Bore 4.13 in 105.0 mm Less
Stroke 5.0 in 127.0 mm Less
Displacement 269.0 in³ 4.4 l Less
Gross Power - SAE J1995 164.0 HP 122.0 kW Less
Net Power - SAE J1349 161.0 HP 120.0 kW Less
Engine RPM 1800.0 r/min 1800.0 r/min Less


Operating Weight 49200.0 lb 22300.0 kg Less

Machine Weight

Operating Weight 49200.0 lb 22300.0 kg Less
Note Long Undercarriage, Reach Boom, R2.9 (9'6") Stick, GD 1.19 m3 (1.56 yd3) Bucket and 790 mm (31") Triple Grouser Shoes. Long Undercarriage, Reach Boom, R2.9 (9'6") Stick, GD 1.19 m3 (1.56 yd3) Bucket and 790 mm (31") Triple Grouser Shoes. Less

Dimensions* - Reach Boom - 5.7 m (18'8"); R2.9 (9'6") Stick

Shipping Height 10.25 ft 3130.0 mm Less
Shipping Length 31.33 ft 9540.0 mm Less
Tail Swing Radius 9.25 ft 2830.0 mm Less
Counterweight Clearance 3.33 ft 1020.0 mm Less
Ground Clearance 1.5 ft 450.0 mm Less
Handrail Height 9.92 ft 3010.0 mm Less
Length - Center of Rollers 12.0 ft 3650.0 mm Less
Note *With 1.19 m3 (1.56 yd3) HD Bucket *With 1.19 m3 (1.56 yd3) HD Bucket Less
Track Gauge 7.83 ft 2380.0 mm Less
Track Length 14.67 ft 4460.0 mm Less
Transport Width - 790 mm (31 in) Shoes 10.42 ft 3170.0 mm Less


Swing Speed 11.2 r/min 11.2 r/min Less
Swing Torque 45581.0 ft·lbf 61.8 kN·m Less


Maximum Drawbar Pull 46086.0 lbf 205.0 kN Less
Maximum Travel Speed 3.5 mile/h 5.6 km/h Less

Hydraulic System

Main System - Maximum Flow - Total 113.0 gal/min 428.0 l/min Less
Maximum Pressure - Equipment - Heavy Lift 5511.0 psi 38000.0 kPa Less
Maximum Pressure - Equipment - Normal 5076.0 psi 35000.0 kPa Less
Maximum Pressure - Swing 3626.0 psi 25000.0 kPa Less
Maximum Pressure - Travel 5076.0 psi 35000.0 kPa Less
Pilot System - Maximum Flow 6.4 gal/min 24.3 l/min Less
Pilot System - Maximum Pressure 569.0 psi 3920.0 kPa Less

Service Refill Capacities

Fuel Tank Capacity 108.0 gal (US) 410.0 l Less
Cooling System 7.9 gal (US) 30.0 l Less
Engine Oil 6.6 gal (US) 25.0 l Less
Swing Drive 2.1 gal (US) 8.0 l Less
Final Drive - Each 2.1 gal (US) 8.0 l Less
Hydraulic System - Including Tank 68.7 gal (US) 260.0 l Less
Hydraulic Tank 42.0 gal (US) 159.0 l Less
DEF Tank Capacity 5.5 gal (US) 21.0 l Less

Sound Performance

ISO 6395 - Spectator Noise 99.0 dB(A) 99.0 dB(A) Less
ISO 6396 - Operator Noise (Closed) 68.0 dB(A) 68.0 dB(A) Less

Working Ranges* - Reach Boom - 5.7 m (18'8"); R2.9 (9'6") Stick

Maximum Cutting Height 30.75 ft 9370.0 mm Less
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 21.5 ft 6550.0 mm Less
Maximum Digging Depth 22.08 ft 6720.0 mm Less
Maximum Loading Height 21.33 ft 6490.0 mm Less
Maximum Reach - Ground Line 32.33 ft 9860.0 mm Less
Maximum Vertical Wall Digging Depth 16.58 ft 5060.0 mm Less
Minimum Loading Height 7.08 ft 2170.0 mm Less
Note *With 1.19 m3 (1.56 yd3) HD Bucket *With 1.19 m3 (1.56 yd3) HD Bucket Less


  • Cat C4.4 ACERT U.S. EPA Tier 4 Final/EU Stage IV engine burns up to 8.5% less fuel than the Tier 4 Interim/Stage IIIB 320 with similar lift and stability.
  • Constant engine speed control manages pump and engine rpm for improved fuel efficiency.
  • Heavy Lift function makes for smooth, controlled lifting without time limitation.
  • Maximum bucket breakout force is available 100% of the time without time limitation.


  • Demolition work is easy with a Cat hammer, grapple, shear, or multi-processor.
  • Utility and finishing work is fast and flawless with a Cat compactor, thumb, finishing bucket or tilt bucket.
  • See the whole money-making attachment line for your machine at www.cat.com/attachments.


  • The full-size roll-over protective structure (ROPS) certified cab is quiet and comfortable.
  • Automatic climate control helps maintain consistent cab temperature.
  • Joystick consoles and armrests are adjustable.
  • Seats are adjustable and feature air suspension and heated and cooled options.
  • The LCD monitor is easy to navigate and programmable in 42 languages.


  • Most service points like grease points and fluid taps are reachable at ground level.
  • Wide service doors and one-piece hood make for easy access.
  • Easy-to-reach pressure taps and S·O·SSM ports help maximize uptime.
  • An electric fuel priming pump speeds up starts and fuel system maintenance.


  • Boom and sticks are built for long service.
  • Greased track link between pins and bushings increase undercarriage life.
  • The high-pressure fuel system with high-pressure pump and injectors are made for long-term durability and reliability.
  • The large swing bearing is secured with elongated bolts to help handle the most swing-intensive work.


  • The hydraulic activation lever locks out all hydraulic functions.
  • Handrail, anti-skid plating, and countersunk bolts reduce slipping and tripping.
  • The full-length firewall separates the pump and engine compartments.
  • The standard rearview camera and mirrors enhance visibility.


  • Cat Connect technology increases job site efficiency.
  • Product Link™/VisionLink® connects owners to equipment and critical information like machine location, fuel consumption, idle time, events, and diagnostic codes.

Excavator Attachments

From hammers to pulverizers, our attachments help you take on more jobs with your Cat Excavator.

Learn More