Used Excavators For Urban and Utilities
Urban and utilities projects demand excavators that work cleanly in tight, sensitive spaces, close to traffic, buildings, and live underground infrastructure. Whether you are laying gas and water lines, trenching for fiber and electrical conduit, or repairing sidewalks and service connections, the right machine balances reach, breakout force, and a compact footprint. The used excavators below are matched to urban and utilities applications such as oil and gas pipeline trenching, road service work, and confined municipal sites. Each listing shows operating weight, engine power, max dig depth, bucket capacity, and transport dimensions so you can size a machine to your job and your trailer. Use the Compare button to line up candidates side by side before you request a quote.| Used Excavator Image | Excavator Title | Excavator Brand | Excavator Class | Operating Weight | Engine Model & Net Power | Max Dig Depth | Bucket Capacity | Transport Dimensions: Length, Width, Height | Applications | Working Hours | Production Year | Price | Compare |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Used 2025 Kubota KX163 Mini Excavator Low Hours | Kubota | Mini | 5.4 T | Kubota V2607 47.6 HP | 4.1 m | 0.22 m³ | 5.4 x 1.9 x 2.5 m | Utilities – Backflow Prevention & Cross-Connection | 370 H | 2025 | Consult | |
 | Used KUBOTA KX163 Compact Excavator | Kubota | Mini | 5.4 T | Kubota V2607 47.6 HP | 4.1 m | 0.22 m³ | 5.4 x 1.9 x 2.5 m | Utilities – Backflow Prevention & Cross-Connection | 256 H | 2025 | Consult | |
 | Used CAT 305.5 Mini Excavator Made in Japan | Caterpillar | Mini | 5.5 T | Diesel Engine 41 HP | 3.9 m | 0.25 m³ | 6.0 x 2.2 x 2.6 m | Utilities – Backflow Prevention & Cross-Connection | 102 H | 2024 | Consult | |
 | Used Caterpillar CAT 336 Excavator Made in Japan | Caterpillar | Large | 36 T | CAT C9 268 HP | 7.5 m | 1.5 m³ | 11.1 x 3.2 x 3.3 m | Utilities – Oil & Gas Pipeline Trenching | 950 H | 2024 | Consult | |
 | Used Kubota KX 155 Excavator | Kubota | Mini | 5 T | Diesel Engine 47 HP | 4.1 m | 0.28 m³ | 6.0 x 2.2 x 2.6 m | Utilities – Backflow Prevention & Cross-Connection | 1500 H | 2018 | $19,200 | |
 | Used Kubota KX55 Excavator | Kubota | Mini | 5.5 T | Diesel Engine 41 HP | 3.9 m | 0.25 m³ | 6.0 x 2.2 x 2.6 m | Utilities – Backflow Prevention & Cross-Connection | 1500 H | 2019 | $24,000 | |
 | Used Hitachi ZX55 Excavator | Hitachi | Mini | 5.5 T | Diesel Engine 413 HP | 8.5 m | 2.48 m³ | 11.8 x 3.4 x 3.6 m | Utilities – Backflow Prevention & Cross-Connection | 890 H | 2019 | $16,000 | |
 | Used Komatsu PC400-7 Excavator | Komatsu | Large | 40 T | Komatsu SAA6D125E 330 HP | 7.8 m | 1.9 m³ | 11.9 x 3.3 x 3.6 m | Utilities – Oil & Gas Pipeline Trenching | 2818 H | 2019 | $65,000 | |
 | Used Komatsu PC360 Excavator | Komatsu | Large | 36 T | Diesel Engine 270 HP | 8.5 m | 1.62 m³ | 11.8 x 3.4 x 3.6 m | Utilities – Oil & Gas Pipeline Trenching | 1800 H | 2020 | $55,000 | |
 | Used CAT340D Excavator | Caterpillar | Large | 40 T | CAT C9.3 311 HP | 7.4 m | 1.9 m³ | 11.2 x 3.3 x 3.5 m | Utilities – Oil & Gas Pipeline Trenching | 2300 H | 2019 | $80,000 | |
 | Used CAT336D Excavator | Caterpillar | Large | 36 T | CAT C9 268 HP | 7.5 m | 1.5 m³ | 11.1 x 3.2 x 3.3 m | Utilities – Oil & Gas Pipeline Trenching | 1900 H | 2020 | $75,000 | |
 | Used CAT315D Excavator | Caterpillar | Medium | 15 T | Diesel Engine 113 HP | 6.1 m | 0.68 m³ | 7.5 x 2.5 x 2.8 m | Utilities – Main Water Lines & Fire Main | 2200 H | 2019 | $29,000 | |
 | Used CAT313C Excavator | Caterpillar | Medium | 13 T | Diesel Engine 98 HP | 5.7 m | 0.59 m³ | 7.5 x 2.5 x 2.8 m | Utilities – Trench Digging & Side Sewe | 2200 H | 2019 | $25,000 | |
 | Used CAT306c Excavator | Caterpillar | Mini | 5.5 T | CAT C2.4 55 HP | 3.9 m | 0.15 m³ | 5.3 x 1.9 x 2.5 m | Utilities – Backflow Prevention & Cross-Connection | 2800 H | 2018 | $15,000 | |
 | Used Volvo EC140D Excavator | Volvo | Medium | 14 T | Diesel Engine 105 HP | 5.9 m | 0.63 m³ | 7.5 x 2.5 x 2.8 m | Utilities – Trench Digging & Side Sewe | 1200 H | 2020 | $28,000 | |
 | Used Volvo EC360B Excavator | Volvo | Large | 36 T | Volvo D12D 256 HP | 7.4 m | 1.6 m³ | 11.2 x 3.2 x 3.3 m | Utilities – Oil & Gas Pipeline Trenching | 3000 H | 2018 | $55,000 | |
 | Used Sany SY365H-9 Excavator | Sany | Large | 37 T | Diesel Engine 274 HP | 8.5 m | 1.64 m³ | 11.8 x 3.4 x 3.6 m | Utilities – Oil & Gas Pipeline Trenching | 800 H | 2021 | $60,000 | |
 | Used Sany SY135C-8 Excavator | Sany | Medium | 13.5 T | Diesel Engine 101 HP | 5.8 m | 0.61 m³ | 7.5 x 2.5 x 2.8 m | Utilities – Trench Digging & Side Sewe | 2800 H | 2018 | $20,000 | |
 | Used Sany SY155C Excavator | Sany | Medium | 15.5 T | Diesel Engine 116 HP | 6.2 m | 0.7 m³ | 7.5 x 2.5 x 2.8 m | Utilities – Main Water Lines & Fire Main | 800 H | 2021 | $32,000 | |
 | Used Sany SY135C Excavator | Sany | Medium | 13.5 T | Diesel Engine 101 HP | 5.8 m | 0.61 m³ | 7.5 x 2.5 x 2.8 m | Utilities – Trench Digging & Side Sewe | 1000 H | 2021 | $30,000 | |
 | Used Sany SY125-9C Excavator | Sany | Medium | 12.5 T | Diesel Engine 94 HP | 5.6 m | 0.56 m³ | 7.5 x 2.5 x 2.8 m | Utilities – Septic Tank Decommissioning | 1100 H | 2021 | $25,000 | |
 | Used Kobelco SK140 Excavator | Kobelco | Medium | 14 T | Diesel Engine 105 HP | 5.9 m | 0.63 m³ | 7.5 x 2.5 x 2.8 m | Utilities – Trench Digging & Side Sewe | 2200 H | 2020 | $28,000 | |
 | Used Kobelco SK130 Excavator | Kobelco | Medium | 13 T | Diesel Engine 98 HP | 5.7 m | 0.59 m³ | 7.5 x 2.5 x 2.8 m | Utilities – Trench Digging & Side Sewe | 2100 H | 2020 | $27,000 | |
 | Used Kobelco SK125SR Excavator | Kobelco | Medium | 12.5 T | Diesel Engine 94 HP | 5.6 m | 0.56 m³ | 7.5 x 2.5 x 2.8 m | Utilities – Septic Tank Decommissioning | 2300 H | 2019 | $26,000 | |
 | Used Hyundai 110LVS Excavator | Hyundai | Medium | 11 T | Diesel Engine 150 HP | 6.9 m | 0.9 m³ | 9.5 x 2.8 x 3.0 m | Utilities – Septic Tank Decommissioning | 2100 H | 2019 | $27,000 | |
 | Used Hyundai 385LC-9T Excavator | Hyundai | Large | 38.5 T | Diesel Engine 150 HP | 6.9 m | 0.9 m³ | 9.5 x 2.8 x 3.0 m | Utilities – Oil & Gas Pipeline Trenching | 2800 H | 2018 | $63,000 | |
 | Used Hyundai 150-9 Excavator | Hyundai | Medium | 15 T | Diesel Engine 150 HP | 6.9 m | 0.9 m³ | 9.5 x 2.8 x 3.0 m | Utilities – Main Water Lines & Fire Main | 2300 H | 2019 | $20,000 | |
 | Used Hitachi ZX160LC Excavators | Hitachi | Medium | 16 T | Diesel Engine 120 HP | 6.3 m | 0.72 m³ | 7.5 x 2.5 x 2.8 m | Utilities – Main Water Lines & Fire Main | 2600 H | 2019 | $28,000 | |
 | Used Hitachi ZX120-6 Excavators | Hitachi | Medium | 12 T | Diesel Engine 90 HP | 5.5 m | 0.54 m³ | 7.5 x 2.5 x 2.8 m | Utilities – Septic Tank Decommissioning | 2600 H | 2019 | $25,000 | |
 | Used Hitachi ZX50U Excavators | Hitachi | Mini | 5 T | Diesel Engine 375 HP | 8.5 m | 2.25 m³ | 11.8 x 3.4 x 3.6 m | Utilities – Backflow Prevention & Cross-Connection | 800 H | 2021 | $16,500 | |
 | Used Doosan DH370LC-9 Excavator | Doosan | Large | 37 T | Diesel Engine 278 HP | 8.5 m | 1.67 m³ | 11.8 x 3.4 x 3.6 m | Utilities – Oil & Gas Pipeline Trenching | 2100 H | 2020 | $53,000 | |
 | Used Doosan DH150LC-7 Excavator | Doosan | Medium | 15 T | Diesel Engine 113 HP | 6.1 m | 0.68 m³ | 7.5 x 2.5 x 2.8 m | Utilities – Main Water Lines & Fire Main | 1800 H | 2020 | $20,000 | |
 | Used Hitachi EX120-5 Excavator | Hitachi | Medium | 12 T | Diesel Engine 150 HP | 6.9 m | 0.9 m³ | 9.5 x 2.8 x 3.0 m | Utilities – Septic Tank Decommissioning | 3000 H | 2018 | $24,000 | |
 | Used Doosan DH55 Excavator | Doosan | Mini | 5.5 T | Diesel Engine 413 HP | 8.5 m | 2.48 m³ | 11.8 x 3.4 x 3.6 m | Utilities – Backflow Prevention & Cross-Connection | 1500 H | 2020 | $12,000 | |
 | Used CAT305.5E Excavator | Caterpillar | Mini | 5.5 T | Diesel Engine 41 HP | 3.9 m | 0.25 m³ | 6.0 x 2.2 x 2.6 m | Utilities – Backflow Prevention & Cross-Connection | 350 H | 2021 | $18,000 | |
 | Used Komatsu PC138US Excavator | Komatsu | Medium | 13.8 T | Diesel Engine 104 HP | 5.9 m | 0.62 m³ | 7.5 x 2.5 x 2.8 m | Utilities – Trench Digging & Side Sewe | 2700 H | 2019 | $26,000 | |
 | Used Komatsu PC160-7 Excavator | Komatsu | Medium | 16 T | Diesel Engine 120 HP | 6.3 m | 0.72 m³ | 7.5 x 2.5 x 2.8 m | Utilities – Main Water Lines & Fire Main | 1800 H | 2020 | $28,000 | |
 | Used Komatsu PC130 Excavator | Komatsu | Medium | 13 T | Komatsu SAA4D95LE 90 HP | 5.5 m | 0.5 m³ | 7.5 x 2.4 x 2.8 m | Utilities – Trench Digging & Side Sewe | 652 H | 2022 | $29,000 | |
 | Used Komatsu PC128US Excavator | Komatsu | Medium | 12.8 T | Diesel Engine 96 HP | 5.7 m | 0.58 m³ | 7.5 x 2.5 x 2.8 m | Utilities – Septic Tank Decommissioning | 2200 H | 2020 | $28,000 | |
 | Used Komatsu PC120-6 Excavator | Komatsu | Medium | 12 T | Komatsu SAA4D95LE 90 HP | 5.5 m | 0.5 m³ | 7.5 x 2.4 x 2.8 m | Utilities – Septic Tank Decommissioning | 3500 H | 2017 | $25,000 | |
 | Used Komatsu PC56 Excavator | Komatsu | Mini | 5.6 T | Diesel Engine 420 HP | 8.5 m | 2.52 m³ | 11.8 x 3.4 x 3.6 m | Utilities – Grinding Pumps Installation | 2300 H | 2020 | $17,000 | |
 | Used Komatsu 55MR Excavator | Komatsu | Mini | 5.5 T | Diesel Engine 150 HP | 6.9 m | 0.9 m³ | 9.5 x 2.8 x 3.0 m | Utilities – Backflow Prevention & Cross-Connection | 1800 H | 2020 | $16,000 |
Why excavator selection matters for urban and utility work
City and utility sites have constraints you rarely face on open ground: narrow corridors, overhead lines, restricted swing room, noise limits, and the constant risk of striking buried services. Machine size drives almost every decision here. Too large and you cannot maneuver or stay inside lane closures. Too small and you lack the dig depth or reach for deeper mains.
The most common urban and utilities tasks fall into a few groups:
- Gas and water pipeline trenching
- Fiber, telecom, and electrical conduit installation
- Sewer and stormwater service connections
- Sidewalk, curb, and road repair
- Backfilling and site cleanup in confined areas
Match the machine class to the job
The table below is a quick guide to which excavator size suits common urban and utility tasks. Use it alongside the live specs grid above.
| Task | Typical class | Operating weight | Why it fits |
|---|---|---|---|
| Tight sidewalk / service repairs | Mini | 3–8 T | Fits behind walls, low ground pressure, easy transport |
| Fiber & shallow conduit trenching | Mini / Compact | 5–10 T | Narrow trenches, fast cycle times, low disruption |
| Water & gas mains | Mid-size | 12–25 T | Deeper reach, stronger breakout for harder ground |
| Deep utility mains / large bore | Large | 25–35 T | Maximum dig depth and lift for heavy pipe |
Specs that matter most for utilities
When you scan the grid above, prioritize these four numbers:
| Spec | What to check | Why it matters in urban work |
|---|---|---|
| Operating weight | Trailer rating + site access | Determines if you can transport and maneuver legally |
| Max dig depth | Required trench depth + clearance | Mains often sit 1.2–3 m down; undersizing stalls the job |
| Transport dimensions | Length, width, height | Decides trailer fit and whether you need permits |
| Bucket capacity | Trench width and soil volume | Right size keeps cycle times efficient without over-digging |
Mini vs mid-size for urban utilities
| Factor | Mini (3–8 T) | Mid-size (12–25 T) |
|---|---|---|
| Access in tight streets | Excellent | Limited |
| Trench depth | Shallow to moderate | Moderate to deep |
| Transport | Often single trailer, no permit | Usually needs permits |
| Productivity on mains | Lower | Higher |
| Best use | Service lines, repairs, fiber | Water/gas mains, deeper runs |
A practical rule: if the work is mostly shallow service lines and repairs inside the city core, a mini in the 5–8 T range covers most of it. Once you are installing mains at 2 m or deeper, step up to a 20 T-class machine for the reach and breakout force.
Buying checklist for used utility excavators
Before you commit, confirm:
- Working hours align with the price and remaining service life
- Hydraulics support the attachments you need (thumb, compactor, breaker)
- Undercarriage and tracks are in usable condition
- Engine model and emissions tier suit your local regulations
- Transport dimensions fit your trailer and route
Frequently asked questions
What size excavator is best for utility trenching? For most urban utility trenching, a 5–10 T mini or compact excavator offers the best balance of reach, trench control, and easy transport. Deeper mains call for a 20 T-class machine.
How deep can these excavators dig for pipelines? Dig depth varies by model. Mini machines typically reach shallow service depths, while mid and large classes in the grid above reach the depths needed for water and gas mains. Always check the Max Dig Depth column for each listing.
Can I compare several machines before buying? Yes. Use the Compare button on any listing in the grid above to view operating weight, engine power, dig depth, bucket capacity, and price side by side.