Caterpillar 320
A medium hydraulic excavator from Caterpillar’s 320 family, shown in one published configuration.
- Specs verified
- 5 of 5
- Last checked
- Oct 12, 2026
Operating weight
47,800 lb
As published: 21 700 kg / 47,800 lb
Engine power
172 hp
As published: 172 hp (128.5 kW)
Maximum digging depth
265 in
As published: 6720 mm (22'1")
Maximum reach at ground level
388 in
As published: 9860 mm (32'4")
Data
Specifications
The value is in our standard US unit. “As published” is the source’s own wording.
| Specification | Value | As published | Status | Source |
|---|---|---|---|---|
| Operating weight Weight of the machine as the manufacturer equips it for work: with operator, fluids and standard equipment. It is not shipping weight. | 47,800 lb | 21 700 kg / 47,800 lb | Verified HD reach boom, HD R2.9 (9’6") stick, 1.19 m³ bucket, 4200 kg counterweight, long undercarriage, 600 mm triple-grouser shoes. Includes 90% fuel and 75 kg operator. |
320 Hydraulic Excavator Technical Specifications (AEXQ3461-02)
Caterpillar (copy distributed by Avesco, Cat dealer) · p. 3
|
| Engine power Engine rating as stated by the manufacturer. The source names the rating standard (net or gross). | 172 hp | 172 hp (128.5 kW) | Verified Net power, ISO 9249. Cat C4.4 engine. |
320 Hydraulic Excavator Technical Specifications (AEXQ3461-02)
Caterpillar (copy distributed by Avesco, Cat dealer) · p. 2
|
| Maximum digging depth Vertical depth the bucket reaches under the manufacturer’s stated test conditions. | 265 in | 6720 mm (22'1") | Verified HD reach boom with HD R2.9 (9’6") stick. |
320 Hydraulic Excavator Technical Specifications (AEXQ3461-02)
Caterpillar (copy distributed by Avesco, Cat dealer) · p. 6
|
| Maximum reach at ground level Horizontal distance from the swing centre to the bucket teeth at ground level. | 388 in | 9860 mm (32'4") | Verified HD reach boom with HD R2.9 (9’6") stick. |
320 Hydraulic Excavator Technical Specifications (AEXQ3461-02)
Caterpillar (copy distributed by Avesco, Cat dealer) · p. 6
|
| Bucket digging force Force the bucket exerts at its digging point, under the ISO or SAE standard the source names. Digging force (ISO) and breakout force (SAE) are not interchangeable. | 33,721 lbf | 150 kN (ISO) | Verified ISO bucket digging force. Not comparable with SAE breakout force. |
320 Hydraulic Excavator Technical Specifications (AEXQ3461-02)
Caterpillar (copy distributed by Avesco, Cat dealer) · p. 6
|
How this page was checked
Values come from the manufacturer’s own documents where we could find them. Each row names the document and the page. A value is marked verified only after someone compared it with that document. If a figure is missing, we leave it out rather than estimate it.
Found an error? Tell us with the document and page, and we will correct it.
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