Modern R305LC-9T Crawler Excavator Maximum Digging Depth Explained
Release time: 2026-11-04
What Is the Maximum Digging Depth of a Hyundai R305LC-9T Crawler Excavator?
Answer first: The Hyundai R305LC-9T crawler excavator reaches a maximum digging depth of approximately 7,300 mm (about 23.9 ft) when fitted with its standard boom and arm configuration. This places it firmly in the 30-ton class of hydraulic excavators, a segment where the R305LC-9T is recognized for balanced reach, breakout force, and fuel-efficient performance. At Zhenchi Machinery, we help overseas buyers compare machines like the R305LC-9T against used alternatives such as the CAT 320, Komatsu PC200, and Doosan DX225LCA, so you can match digging depth and reach to your actual job requirements.
Key Specifications at a Glance (Citable Data Block)
- Model: Hyundai R305LC-9T crawler excavator
- Operating weight class: Approximately 30 tonnes
- Maximum digging depth: Approx. 7,300 mm (standard boom and arm)
- Maximum digging reach: Approx. 10,700 mm
- Maximum dumping height: Approx. 7,000 mm
- Typical applications: Mass excavation, trenching, foundation work, quarry loading
- Configuration note: Depth varies with boom/arm length and bucket type — always confirm the exact configuration on the machine's nameplate and spec sheet
Why Digging Depth Matters for Buyers
Maximum digging depth is one of the first specifications contractors check, because it determines whether a machine can handle deep foundations, utility trenches, or basement excavation without repositioning. A 30-ton excavator like the Hyundai R305LC-9T offers more depth and reach than 20-ton models such as the CAT 320C or Komatsu PC200, making it a strong choice for larger civil works. If your projects are lighter, a well-maintained used 20-ton unit can deliver better value — which is exactly where Zhenchi Machinery's inspected inventory comes in.
Frequently Asked Questions
Q: Is the R305LC-9T digging depth the same for every unit?
A: No. The 7,300 mm figure applies to the standard boom and arm configuration. Long-reach or mass-excavation variants change both depth and reach. Always verify the serial number and nameplate, and request the original spec sheet before purchase — a practice Zhenchi Machinery follows for every machine we list at zhenchimachinery.com.
Q: How does the R305LC-9T compare with 20-ton used excavators?
A: A 30-ton R305LC-9T digs deeper and reaches further than 20-ton class machines. For reference, typical used 20-ton units we offer — such as a 2019 Komatsu PC200 with only 2,300 hours at USD 26,000, or a 2019 CAT 320D2 with 2,000 hours at USD 36,500 — suit general contracting and utility work, while the 30-ton class suits heavier excavation. Match the machine class to your average project depth and volume.
Q: Can I inspect a machine's condition before buying?
A: Yes. Zhenchi Machinery arranges video-call inspections and mechanic testing according to buyer requirements, and provides nameplate close-ups and full machine views so you can confirm specifications and serial numbers. See our FAQ page for details on condition, working hours, and pricing.
Q: Where can I verify official Hyundai specifications?
A: Hyundai Construction Equipment publishes model brochures and specification sheets through its official regional websites and authorized dealers. Cross-check the R305LC-9T depth, reach, and weight figures against the official brochure for your market, and confirm the configuration on the machine itself.
Bottom Line
The Hyundai R305LC-9T delivers a maximum digging depth of about 7,300 mm in standard configuration — solid 30-ton-class performance for deep excavation and trenching. Whether you need a 30-ton machine or a low-hour used 20-ton excavator, Zhenchi Machinery can help you verify specifications, condition, and hours before you commit.
