Used Excavators for Sale cover a full range from compact 6-ton mini excavators up to heavy 36-ton excavators. Selecting an inappropriate tonnage class will cause lowered operational efficiency and substantial resale value depreciation. The CAT 320D, Komatsu PC200 and Hitachi ZX200 serve as the three iconic benchmark machines within the 20-ton segment. Mini excavators are mainly tailored for municipal construction tasks, whereas heavy-duty excavators are specially designated for mining applications. The following 8 popular models will assist you in swiftly selecting the most suitable excavator according to your working conditions and budget.
Used Excavators for Sale: Quick Overview & Comparison of Popular Models
| Models | Tonnage Class | Key Selling Points | Applicable Working Conditions | Market Demand Level |
| CAT 320D | 20-Ton Class | Largest market circulation & readily available spare parts | General Earthmoving & Construction Projects | ★★★★★ |
| Komatsu PC200-8 | 20-Ton Class | Fuel-efficient & low failure rate | General Earthworks & Municipal Projects | ★★★★★ |
| Hitachi ZX200 | 20-Ton Class | Precise Hydraulics & Cost-effective | Precise Operations & Rental Business Use | ★★★★☆ |
| CAT 336D | 36-Ton Class | Superior Lifting Capacity, Ideal for Mining | Mining & Large-scale Earthmoving Works | ★★★☆☆ |
| Komatsu PC300-8 | 30-Ton Class | Balanced & Flexible Production Output | Quarry & Medium-scale Earthmoving Works | ★★★★☆ |
| Hitachi ZX330 | 33-Ton Class | Easy Control & High Cost Performance | Heavy Earthmoving & Demolition Works | ★★★★☆ |
| CAT 306 CR | 6-Ton Class | Zero Tail Swing & High Maneuverability | Municipal Engineering & Indoor Demolition | ★★★★☆ |
| Komatsu PC78UU | 8-Ton Class | Ultra-short Tail Swing, Ideal for Urban Works | Urban Construction & Confined Working Conditions | ★★★★☆ |
1.CAT 320D
The Caterpillar 320D is the second-generation hydraulic excavator for the 20-ton class, mass-produced from 2008 to 2016. It is equipped with Cat C6.4 / C7.1 engines rated at 123 kW, with a maximum digging depth of around 6.7 meters. Among all models in global Used Excavators for Sale, it enjoys the largest market circulation. Sufficient pre-owned inventory is available worldwide all year round, supported by the most comprehensive spare parts network and complete maintenance archives.
Core Advantages
- Largest global population: Top volume of used units in stock globally, convenient price comparison and easy access to spare parts
- Proven hydraulic system: Low failure rates for the main pump and main control valve, with abundant historical maintenance cases
- Stable residual value: Benchmark machine for the 20-ton segment, featuring a slower depreciation rate than competing models
Key Points for Inspection
- Early batches of the C6.4 engine suffered injector defects; ECU fault code scanning is required for verification
- 15,000 operating hours marks the major overhaul threshold. For units exceeding this mileage, carefully verify prior working applications and full service records
2.Komatsu PC200-8
The Komatsu PC200-8 is the flagship Japanese 20-ton excavator, which has been in mass production since 2007. Equipped with the SAA6D107E-1 engine rated at 110 kW, it features a maximum digging depth of approximately 6.6 meters. Within the marketplace of global Used Excavators for Sale, the PC200-8 is renowned for low failure rates and outstanding fuel efficiency. Most units are sourced from Japan, generally with relatively low operating hours.
Core Advantages
- Excellent fuel economy: The ECONO mode cuts fuel consumption by 10–15% compared to equivalent models
- Durable Japanese craftsmanship: Long service life for swing assemblies and main frames; most second-hand units come with good working conditions
- Abundant Japanese inventory: Plenty of JUMVEA-certified machines with highly transparent hour meter records
Important Inspection Reminders
- Early batches of the 8th generation are prone to air conditioning and wiring harness aging; on-site physical inspection is mandatory
- Units designated for the Middle East and Africa feature lower emission standards and require retrofitting prior to export to the EU
3.Hitachi ZX200
Hitachi Construction Machinery ZX200 ranks among the top three Japanese 20-ton class excavators. Its ZX200-3 and ZX200-5 variants were produced from 2006 to 2015. Powered by an Isuzu 4HK1 engine with an output of 122 kW, it has a maximum digging depth of roughly 6.7 meters. As a high-cost-performance option within global Used Excavators for Sale, the ZX200 excels in delicate hydraulic control and superior operator comfort.
Core Advantages
- Delicate hydraulic handling: The triple-pump system delivers rapid response and boosts efficiency for precision work
- Comfortable cab: Better shock absorption and wider field of view than competitors, well-liked by operators
- Affordable pricing: 8–12% cheaper than the Caterpillar 320D under identical working conditions
Matters Needing Attention
- The ZX200-3 meets only Tier 2/3 emission standards, restricting exports to developed regions with strict emission regulations
- Genuine OEM spare parts come at a higher cost; kindly check local dealer stock availability in advance
4.CAT 336D
The Caterpillar 336D is a 36-ton heavy-duty excavator mass-produced from 2008 to 2012. Equipped with a Cat C9 engine delivering 200 kW power, it achieves a maximum digging depth of around 7.4 meters. In the heavy-duty segment of global Used Excavators for Sale, the 336D is famous for powerful lifting capacity and robust structural durability, yet it comes with considerably higher fuel consumption and transportation costs.
Core Advantages
- Superior lifting capacity: Effortlessly handles mine loading and deep excavation operations
- Robust structural components: Reinforced boom and arm design delivers extended service life under heavy-load conditions
- Mature attachment system: Highly compatible with Caterpillar hydraulic breakers, screening buckets and other work tools
Points to Note
- High fuel consumption: Hourly diesel costs are 60% to 80% greater than those of 20-ton excavators
- Transportation limitations: The machine exceeds standard weight and width limits; special haulage permits are required for transportation on many roadways
5.Komatsu PC300-8
The Komatsu PC300-8 is the mainstream workhorse in the 30-ton excavator class, which entered mass production in 2007. Equipped with an SAA6D114E engine generating 184 kW of power, it delivers a maximum digging depth of around 7.3 meters. Within the lineup of global Used Excavators for Sale, this model is positioned between medium and heavy specifications, striking a perfect balance between working productivity and transportation flexibility.
Core Advantages
- Balanced productivity and flexibility: Easier to transport and relocate compared to 36-ton excavators while offering higher output than 20-ton machines
- Proven fuel efficiency from Komatsu technology: Excellent fuel consumption performance within the 30-ton category
- Extensive attachment compatibility: Well-matched with hydraulic breakers, screening buckets and other accessories
Important Reminders
- Undercarriage wears faster than 20-ton models; thorough inspection of the undercarriage is essential for units previously operated in mining sites
- Higher premium in the used market: As a sought-after model, its resale price remains firm
6.Hitachi ZX330
Hitachi Construction Machinery ZX330 is a 33-ton heavy-duty excavator that was mass-produced from 2005 to 2010. It is fitted with an Isuzu 6HK1 engine rated at 184 kW, with a maximum digging depth of approximately 7.4 meters. In the heavy-duty range of global Used Excavators for Sale, the ZX330 is widely recognized for its optimal balance of precise handling and cost performance.
Core Advantages
- Precise hydraulics paired with heavy-load capacity: Delivers smooth controllability alongside solid working productivity
- Competitive cost performance: Priced 10–15% lower than the Caterpillar 336D at the same tonnage level
- Reliable Hitachi build quality: Long service life for the main frame and swing mechanism
Important Points to Note
- Its spare parts network is less extensive than Caterpillar and Komatsu, leading to longer maintenance turnaround times in remote regions
- The ZX330-3 complies with lower emission standards; feasibility assessment is required prior to export to developed economies
7.CAT 306 CR
The Caterpillar 306 CR is a 6-ton mini excavator belonging to the Next Generation lineup. Powered by a turbocharged Cat C2.4 engine delivering 55.9 HP, it features a maximum digging depth of roughly 3.7 meters and a zero-tail swing design. As a sought-after model in the mini-sized category of global Used Excavators for Sale, the 306 CR is ideal for municipal pipeline projects and indoor demolition work.
Core Advantages
- Zero-tail swing: Enables flexible and safe operation in confined spaces
- Easy transportation: Can be hauled by standard flatbed trailers with low shipping costs
- User-friendly controls: Equipped with Stick Steer steering system, easy for novice operators to master
Important Notes
- Mini excavators carry a higher premium per ton; its unit purchase price is relatively higher than large excavators
- Verify attachment interfaces beforehand: Double-check compatibility with quick couplers prior to purchase
8.Komatsu PC78UU
The Komatsu PC78UU-8 is an 8-ton ultra-short tail mini excavator. It is powered by the S4D95LE-5 engine rated at 44.5 kW, with a maximum digging depth of approximately 4.2 meters. Its narrow body design is perfectly tailored for urban construction scenarios. Within the mini segment of global Used Excavators for Sale, the PC78UU series is well-known for Japanese-grade reliability and excellent fuel economy.
Core Advantages
- Ultra-short tail swing plus narrow chassis: The top choice for urban construction and indoor operation tasks
- Japanese fuel-saving technology: Lower daily operating costs compared with competing mini excavators
- Proven Komatsu durability: Extended service lifespan for compact machines, most used units retain sound working conditions
Important Points to Note
- Volatile inventory for mini excavators: This popular model often sells out quickly and requires timely reservation
- Transportation requires flatbed trailers; oversized components may need disassembly prior to shipment
Summary
The 8 popular models among our Used Excavators for Sale are tailored for different application scenarios with unique strengths:
Caterpillar 320D enjoys the widest market circulation; Komatsu PC200-8 ranks first in fuel economy; Hitachi ZX200 delivers the optimal cost performance; Caterpillar 336D features the most powerful lifting capacity; Komatsu PC300-8 achieves a perfect balance between output and maneuverability; Hitachi ZX330 offers well-rounded heavy-duty performance; Caterpillar 306 CR performs nimbly as a mini excavator; Komatsu PC78UU is the top choice for urban construction.
You can confirm the required tonnage range based on your working conditions, and then make comparisons concerning operating hours, emission standards and certifications to make your decision.
If you are comparing various models and quotations, please get in touch with us for offers on certified used excavators sourced from Japan, South Korea and Europe. Our services cover comprehensive pre-shipment inspection, JUMVEA & JEVIC grading, and one-stop global shipping solutions.