Cat 320 Medium excavators tech specs
The Cat 320 brings serious power and smart tech into a 22.6 t (49,800 lb) package. It digs deep, hauls heavy, and keeps operators fresh with a comfort-oriented cab and factory-grade assist systems.
172 kW (230 hp) C4.4 power in a 22.6 t frame
1.19 m³ bucket soaks up more material per swing
Cat Grade 2D/Assist and payload onboard
Ground-level maintenance and long filter life
Cat 320 Technical specifications
General
Engine model
Cat C4.4 ACERT
Operating weight
21300 kg
Max digging depth
6210 mm
Max dump height
7340 mm
Max digging reach
9650 mm
Boom length
5.8 m
Bucket width
900 mm
Bucket capacity
1.1 cu m
Max speed forward
5.5 kph
Gradeability
70 º
Engine
Gross power
103.65 kW
Displacement
4400 cu cm
Service refill capacities
Fuel cap
400 liter
Hydraulic fluid cap
170 liter
Engine oil cap
15 liter
Operational specifications
Swing speed
10.9 rpm
Arm crowding force
106 kN
Attachments
Bucket digging force
133 kN
Undercarriage
Drawbar Pull
178 kN
Track width
6 cm
Track length
3.9 m
Dimensions
Height - top of cab
2.89 m
Hydraulic system
Pump flow cap
259 lpm
Relief valve pressure
329.98 bar
Cat 320 expert review
Overview
The Cat 320 is a 22.6 t (49,800 lb) next-gen excavator powered by a 128.5 kW (172 hp) Cat C4.4 engine. It delivers up to 6.72 m (22 ft) digging depth and 1.19 m³ (1.56 yd³) bucket capacity.
Full factory tech (Grade Assist, payload, UI) reduces setup and rework.
Built-in tech requires operator training to get full value.
Performance & Efficiency
Main hydraulics at 429 L/min and up to 5,500 psi pressure deliver high dig force and control. Fuel use is cut by ~25%, and maintenance cost drops up to ~15% versus older models.
In Comparison
Compared to the 320 GC, you gain full tech and more power for not much more weight. Against the 323, it’s lighter, easier to move, and more cost-effective.
Verdict
The Cat 320 hits the utility-productivity-tech sweet spot. Perfect for high-production digging and grading. Skip it if your work is ultra-compact or you want the simplest rig.
Cat 320 owner rating
2017-2025
Overall rating
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