Model specifications & applications
CAT 304 Excavator
Caterpillar Excavator
2021 – Present (current production verified)
Model reference only. Photos, year, hours and condition of an offered machine are shown on its separate unit page.

Key specifications
- Operating weight
- 4475 kg
- Engine
- C1.7 Turbo
- Engine power
- 33.6 kW
- Maximum digging depth
- 3510 mm
- Emissions reference
- Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Applications & selection notes
- Utility and drainage trenching
- Landscaping and farm work
- Confined urban construction
- Light demolition with approved attachments
When evaluating a used Caterpillar 304, verify the complete serial number and configuration before comparing specifications. Inspect a true cold start, smoke and blow-by, hydraulic speed under load, main-pump noise, swing bearing play, boom and stick weld areas, bucket linkage, travel performance and final drives. Compare the hour meter with ECM data or service records when available, and measure undercarriage wear rather than relying on appearance. Request dated photos and one continuous operating video. Confirm repainting, repairs, attachments, actual transport dimensions and destination-port requirements for the individual machine before quotation or payment.
Supply & sourcing options
Choose a condition and request a quote. Reference ranges do not allocate a specific machine.
| Condition / offer | Price range | Next step |
|---|---|---|
| NEW · New Machine | USD 32,000 – 34,000 | View offer & quote → |
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