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  • Used DOOSAN DX300 Crawler Excavator Engineering Construction Caterpillar Engine Poclain/Kawasaki Hydraulic Bucket Accessories
  • Used DOOSAN DX300 Crawler Excavator Engineering Construction Caterpillar Engine Poclain/Kawasaki Hydraulic Bucket Accessories
  • Used DOOSAN DX300 Crawler Excavator Engineering Construction Caterpillar Engine Poclain/Kawasaki Hydraulic Bucket Accessories
  • Used DOOSAN DX300 Crawler Excavator Engineering Construction Caterpillar Engine Poclain/Kawasaki Hydraulic Bucket Accessories
  • Used DOOSAN DX300 Crawler Excavator Engineering Construction Caterpillar Engine Poclain/Kawasaki Hydraulic Bucket Accessories
  • Used DOOSAN DX300 Crawler Excavator Engineering Construction Caterpillar Engine Poclain/Kawasaki Hydraulic Bucket Accessories
Used DOOSAN DX300 Crawler Excavator Engineering Construction Caterpillar Engine Poclain/Kawasaki Hydraulic Bucket Accessories

Used DOOSAN DX300 Crawler Excavator Engineering Construction Caterpillar Engine Poclain/Kawasaki Hydraulic Bucket Accessories

  • >= 1 Sets
    $4,800

Customization:

Customized logo（Min.Order: 1 pieces）
View product details

Used DOOSAN DX300 Crawler Excavator Engineering Construction Caterpillar Engine Poclain/Kawasaki Hydraulic Bucket Accessories

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Heavy-Duty Excavation & Material Handling: Equipped with a robust Doosan-powered engine and Poclain/Kawasaki hydraulic systems, this 30-ton crawler excavator delivers high torque and precision for digging, lifting, and moving large quantities of soil, rock, and debris.
  • Versatile Attachment Support: Designed to accommodate customizable buckets, breakers, and other specialized tools, enabling multi-tasking across diverse construction needs.

Key features

  • 1. Material Technology

    • With a high-strength steel and aluminum hybrid frame, ensure durability and fuel efficiency while reducing weight compared to all-steel models*.

  • 2. Interactive Design

    • With customizable advanced features like GPS tracking and remote control options, enhance precision and remote management beyond standard excavators*.

  • 3. Performance Parameters

    • Powered by a robust Doosan engine and hydraulic system, achieve 30-ton class lifting capacity for heavy-duty tasks, outperforming lighter excavators in demanding applications*.

  • 4. Scenario Solutions

    • With durable crawler tracks and a spacious operator cab, operate seamlessly on uneven or soft ground and maintain comfort during prolonged commercial use*.

  • 5. Certification Standards

    • Built to Doosan’s rigorous safety and performance standards, ensuring compliance with global heavy machinery regulations for reliable commercial deployment*.

Product details

Used DOOSAN DX300 Crawler Excavator Engineering Construction Caterpillar Engine Poclain/Kawasaki Hydraulic Bucket Accessories

The DEVELON DX300 Crawler Excavator combines robust durability and advanced engineering to deliver exceptional performance in heavy-duty construction tasks. Equipped with a Caterpillar engine and Poclain/Kawasaki hydraulic systems, this 30-ton excavator offers precise control, fuel efficiency, and adaptability for diverse terrains. Its high-strength steel and aluminum construction ensures longevity, while customizable attachments and advanced safety features enhance operational versatility.

Technical specifications

FeatureSpecificationBenefit
EngineCaterpillar diesel engineHigh power output with 20% better fuel efficiency than industry standards
Hydraulic SystemPoclain/Kawasaki with dual pumps35-ton bucket lifting capacity for heavy-duty tasks
Operating Weight30,000 kgBalances stability and mobility on uneven terrain
UndercarriageHeavy-duty tracks with rubber pads40% improved traction on soft ground compared to standard crawler systems
MaterialSteel-aluminum hybrid frame15% lighter than all-steel designs, reducing energy consumption

Customization guide

Adjustable parameters include:

  • Bucket size/shape (from 1.2m³ to 2.0m³) to match material density and project scale.
  • Hydraulic pressure settings (+20% boost option for breaking operations).
  • Cab configuration (add GPS tracking or remote control modules for smart工地 management).

Get inspired

With its 30-ton capacity and Caterpillar-powered efficiency, the DX300 excels in large-scale earthworks. Pair its variable displacement hydraulics with a wide-tooth bucket for rapid soil excavation, or opt for a breaker attachment to tackle rocky terrain. The spacious cab’s 360° visibility ensures safe operation in confined spaces.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Engine Power180 HP+20% (216 HP)+35% (243 HP)*
Lifting Capacity35 tons40 tons45 tons
AttachmentsStandard bucketsBreaker + grappleAll + GPS/remote kit
Fuel Efficiency20% above baseline25%30%

Supplier's note

  1. Three Technical Breakthroughs:

    • Hydraulic Efficiency: The Pro model’s variable displacement system reduces energy loss by 25%, enabling faster cycle times.
    • Material Innovation: The steel-aluminum hybrid frame cuts weight without compromising strength, lowering emissions by 18%.
    • Smart Integration: The GPS/remote package allows real-time job site monitoring, boosting productivity by 30%.

  2. Optimal Version Selection:

    • Base Model: Ideal for SME contractors focusing on cost-effective soil excavation and moderate lifting needs.
    • Advanced Model: Suitable for mid-sized firms requiring breaker capabilities for demolition or quarry work.
    • Pro Model: Best for large-scale operations needing high power, remote control, and extreme durability (e.g., mining or heavy infrastructure projects).

*Pro Model’s HP rating exceeds ISO 3046-1:2019 standards by 15%.

Frequently asked questions

  • Which excavator model is best for heavy-duty construction projects requiring 30-ton capacity?

  • What’s the recommended maintenance schedule for the Caterpillar engine in used Doosan excavators?

  • How does the high-strength steel construction of the Doosan DX300 compare to other materials in excavators?

  • Can the Doosan DX300 be customized with specialized buckets or attachments?

  • Is the Caterpillar engine in the Doosan DX300 compliant with OSHA safety standards?

  • How does the Caterpillar engine enhance performance compared to other excavator engines?

  • What advantages does the 30-ton operating weight provide for construction tasks?

  • Why choose a crawler excavator over a wheeled model for stability on uneven terrain?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material/ConstructionHeavy construction, mining, demolitionHigh-strength steel chassis (ASTM A514) ▲▲▲
Aluminum alloy arm (ISO 16630)		Enhanced durability for extreme loads
Lightweight design improves fuel efficiency		Higher material costs compared to standard steel ▲
Requires specialized maintenance
Engine PerformanceLarge-scale earthworks, quarryingCaterpillar®-inspired 220 HP engine ▲▲
Industry: 200 HP avg.
Advanced: 250 HP ▲▲▲		Superior power-to-weight ratio (14.3 HP/ton)
Lower emissions (EU Stage V)		Higher fuel consumption ▲▲
Complex engine servicing costs
Hydraulic SystemPrecision digging, attachment usePoclain/Kawasaki dual-pump system (38 L/min ▲▲)
Industry: 30 L/min avg.		25% faster cycle times ▲▲
40-ton bucket breakout force ▲▲▲		Higher hydraulic fluid requirements ▲
Noisier operation (78 dBA)
ManeuverabilityUrban construction, tight spacesCrawler tracks (1.2m width ▲)
Swing radius: 3.8m (ISO 6165)		30% better ground pressure distribution ▲▲
90° articulated boom tilt		Limited vertical lift capacity vs wheeled models ▲
CustomizationSpecialized projects (pipelining, etc.)8+ attachment options (Quick-Tech coupler ▲▲)
Advanced: GPS guidance ▲▲▲		50% faster tool changes ▲▲
Real-time job analytics via DEVELON Connect		Higher initial setup costs ▲▲
Requires operator training
DurabilityHarsh environments (dust, moisture)Corrosion-resistant coating (ASTM B117 1000hrs ▲▲)
Industry: 500hrs avg.		40% longer component lifespan ▲▲▲
IP55 cab rating (dust/waterproof)		Heavier weight impacts transport logistics ▲▲

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