Doosan DH225-9 Heavy Duty Crawler Excavator

The Doosan DH225-9 excavator adopts optimized load-sensitive hydraulic system to cut down unnecessary fuel loss for long-hour construction work.
This Doosan crawler digger comes with reinforced wear-resistant bucket structure to extend service lifespan on rocky mining sites.
Customized wide-track chassis of DH225-9 improves ground adaptability on muddy, uneven construction terrain efficiently.
Humanized sealed operator cabin of Doosan excavator lowers dust intrusion and reduces long-operation fatigue for drivers.
Intelligent electronic control module monitors core engine data in real time to cut unexpected breakdown frequency of DH225-9 digger.
Global standard Doosan spare parts supply shortens maintenance downtime and lowers later usage cost for end buyers.

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Product Details

Product Detailed Description

General Overview of Doosan DH225-9 Crawler Excavator

Doosan DH225-9 is a robust medium-sized heavy-duty Doosan crawler excavator customized for diversified global construction markets.

As a mature 22-ton grade Doosan excavator, the DH225-9 model is elaborately developed by Doosan’s core R&D team to satisfy contractors, mining operators, road builders and agricultural land reclamation clients worldwide. This DH225-9 hydraulic digger balances powerful digging output and stable fuel economy perfectly, becoming one of the most popular medium crawler excavators among second-hand and new construction machinery buyers. Many overseas buyers select Doosan DH225-9 excavator due to its proven durability in complicated working conditions including highway construction, quarry mining, river dredging and urban demolition projects. Different from ordinary 22-ton diggers, the DH225-9 upgrades hydraulic flow distribution and engine emission calibration to adapt Europe, Southeast Asia, Africa and Middle East local environmental and construction standards, which greatly expands its applicable global market range. After years of field verification, Doosan DH225-9 crawler excavator has gained consistent good feedback from thousands of engineering companies for its low failure rate and easy daily maintenance, making it a cost-effective core equipment choice for medium-scale construction projects.

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Core Technical Parameters of Doosan DH225-9 Excavator

Item	Specific Technical Data
Operating Weight	22000kg (22Ton)
Genuine Doosan Engine Model	DB58TIA Diesel Engine
Rated Power	110kW / 150HP @2000rpm
Main Hydraulic Working Pressure	32.5MPa
Standard Bucket Capacity	1.05~1.2m³
Max Digging Depth	6720mm
Max Digging Reach	9930mm
Max Dumping Height	6920mm
Travel Speed	3.2~5.2km/h
Ground Clearance	470mm
Overall Dimension(L×W×H)	9680×2990×3020mm
Fuel Tank Volume	320L
Hydraulic Oil Tank Volume	190L

Core Features & Unique Performance of Doosan DH225-9 Hydraulic Digger

Optimized Doosan Original Diesel Powertrain

Equipped with authentic Doosan DB58TIA inline six-cylinder diesel engine, this DH225-9 excavator applies turbocharging and intercooling technology to realize strong torque output at low rotating speed, which guarantees stable digging performance under heavy-load mining and rock-breaking work. The engine strictly follows international mainstream emission standards, effectively lowering exhaust pollution while improving fuel combustion efficiency, helping Doosan DH225-9 digger save around 8% daily fuel consumption compared with peer same-tonnage excavator models. Meanwhile, the large-capacity 320L fuel tank supports over 12 hours continuous non-stop operation without frequent refueling, largely boosting site construction progress for contractors using Doosan excavator.

Upgraded Load Sensitive Full Hydraulic System of DH225-9

The core hydraulic system of Doosan DH225-9 crawler excavator adopts load-sensing variable piston pump design, which automatically adjusts hydraulic oil flow according to actual digging load instead of constant oil supply, effectively avoiding hydraulic energy waste and overheating during long-time continuous operation. The built-in large-size hydraulic oil cooling system keeps hydraulic oil temperature within safe range even under high-temperature tropical construction environment, prolonging the whole hydraulic component service life of Doosan digger and reducing regular hydraulic part replacement cost for customers. The standard auxiliary hydraulic pipeline reserved on machine body supports quick installation of breakers, grapples and other auxiliary attachments, greatly improving the multi-function flexibility of DH225-9 excavator on diversified construction jobs.

Reinforced Chassis & Wear-resistant Working Device

Doosan DH225-9 excavator’s crawler chassis uses thickened high-tensile steel track frame and heavy-duty driving sprocket, paired with reinforced steel track shoes to resist abrasion from gravel, rocky and sharp ground. The widened track design increases machine ground contact area, lowering ground specific pressure to ensure smooth driving on soft muddy farmland and wet foundation construction sites. The standard digging arm and bucket use high hardness wear-resistant alloy steel via integral casting craft; bucket edge installs replaceable wear teeth to reduce abrasion damage during rock excavation, significantly cutting later maintenance expense of Doosan DH225-9 crawler digger for end users.

Comfort Sealed Operator Cabin Layout

The fully enclosed suspension shock-absorbing driver cabin of Doosan DH225-9 excavator is equipped with thickened sound insulation cotton and dustproof sealing rubber strip, effectively isolating construction site noise and floating dust to optimize driving comfort during all-day operation. Ergonomic adjustable suspension seat relieves driver’s spine pressure for long-hour working; centralized intelligent digital monitor centrally displays engine rotating speed, hydraulic pressure, fuel level and fault alarm codes, allowing operators to master machine running status of Doosan excavator at a glance and spot potential mechanical failures timely.

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Wide Application Scenarios for Doosan DH225-9 Crawler Excavator

Doosan DH225-9 hydraulic digger is developed to fit multiple construction industries globally, covering multiple job sites as below:

Highway & municipal construction: Roadbed excavation, pipeline trenching, curb foundation digging and urban greening earthmoving work
Quarry & mine operation: Medium-scale rock stripping, ore loading, waste slag clearing at open-pit mines
River & water conservancy project: River dredging, slope consolidation, reservoir foundation excavation
Real estate demolition & foundation work: Old building partial demolition, building foundation pit excavation
Agricultural land improvement: Farmland reclamation, fish pond digging, orchard land leveling across global rural areas
Waste recycling yard: Scrap metal stacking, construction garbage sorting and material handling with hydraulic grapple attachment

Every above application scenario has verified the stable comprehensive performance of Doosan DH225-9 excavator, which explains why this Doosan digger remains hot-selling among global medium-tonnage construction machinery market for over a decade.

Package & Shipment Solution of Doosan DH225-9 Excavator

For global export transportation of Doosan DH225-9 crawler excavator, Jinan Tuiwa Import and Export Co.,Ltd supplies two mature packaging & shipping plans to match clients’ different logistics demand:

Bulk Vessel Shipment: Remove standard bucket, canopy and small loose spare parts separately for independent waterproof plastic wrapping, fix main machine body with steel wire and anti-slip skid on vessel deck to prevent bump damage during long ocean transit, suitable for bulk order customers with large quantity of Doosan excavator.
Container Loading: Dismantle partial upper structural accessories, shrink machine overall width to fit 40HQ standard container dimension; all disassembled spare parts are packed in iron storage case with desiccant for moisture-proof protection, ideal for small batch individual buyers importing single DH225-9 digger.
All outer exposed metal parts of Doosan DH225-9 excavator are coated with anti-rust marine paint before shipment to avoid seawater corrosion during long-distance sea transportation, our logistics team arranges professional loading inspection before container sealing to guarantee intact machine delivery to destination port.

Enterprise Strength Introduction | Jinan Tuiwa Import and Export Co.,Ltd

Jinan Tuiwa Import and Export Co.,Ltd is a professional China-based construction machinery export enterprise specializing in new and used Doosan excavator, Komatsu, Caterpillar and other mainstream brand crawler digger global sales, located in Jinan Shandong Province with over 12000 square meters storage yard and standardized maintenance workshop. Our company owns complete export qualification certificates including customs filing certification, international product inspection report and CE certification for construction machinery, all Doosan DH225-9 excavator supplied by our firm pass strict pre-shipment full-function detection before delivery. We build long-term stable cooperative relationship with Doosan official domestic spare parts suppliers to guarantee genuine replacement parts supply for all sold DH225-9 digger anytime, solving clients’ after-sales spare part anxiety efficiently. Our sales & after-service team consists of more than 30 professional engineers with over 8 years overseas machinery service experience, providing on-site machine guidance and remote technical troubleshooting for global buyers purchasing Doosan excavator. Up to now, our Doosan DH225-9 crawler excavator has been exported to over 35 countries including Southeast Asia, Africa, Middle East and South America, winning consistent enterprise recognition from worldwide construction companies.

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Real Customer Cases & Verified Buyer Feedback

Case1: African Road Construction Contractor from Nigeria

A local Nigerian engineering contractor purchased 3 units of Doosan DH225-9 excavator from Jinan Tuiwa in 2024 for provincial highway foundation construction. The client gives feedback: “These Doosan DH225-9 diggers keep stable operation under high-temperature 40℃ tropical weather for over 10 months continuously, hydraulic system never occurs overheating fault, fuel cost is far lower than other same tonnage old-brand excavators we used before; Tuiwa’s after-sale team sends genuine Doosan spare parts within 7 working days whenever we need replacement parts.”

Case2: Southeast Asia Mining Buyer from Indonesia

Indonesian open-pit quarry operator imported one unit second-hand refurbished Doosan DH225-9 crawler excavator for rock stripping work. Buyer review: “Recondition work of DH225-9 excavator from Tuiwa reaches factory-level standard, digging force satisfies our daily rock excavation requirement; machine breakdown rate is less than 3% in one-year site running, we plan to place repeat bulk order of Doosan excavator next quarter.”

All above real client cases prove reliable quality of Doosan DH225-9 hydraulic digger sold by Jinan Tuiwa Import and Export Co.,Ltd, helping new global customers build purchase confidence on our machinery products.

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