Tatan H06C-T 4251850 4281929 Diesel Engine Assembly for Hitachi EX220-2 Excavator

Direct Answer for Fleet Owners & Workshops: The H06C-T 4251850 Engine Assembly turnkey unit by Tatan is built specifically for 22-ton class Hitachi EX220-2 / EX220LC-2 excavators. Fully dressed with a factory-calibrated mechanical inline injection pump, turbocharger, 24V starter motor, 50A alternator, and water pump, it installs directly onto your original Hino flywheel bellhousing and Dash-2 hydraulic main pump drive coupling with zero field alterations, completely resolving chronic low compression and thermal power drop under heavy 1.0 m³ bucket loads.

Need Flywheel Housing Verification & Direct Pricing for EX220-2 Engine?

Contact Senior Specialist Gavin for free machine nameplate double-check & freight quote:

Why Fleet Owners Choose Tatan Over Local Overhauls:

  • 100% Turnkey Complete Assembly: Delivered as a complete H06C-T 4251850 Engine Assembly equipped with mechanical injection pump, turbocharger, water pump, 24V starter, and charging alternator.
  • Restores 118 kW Rated Output: Delivers matched high-stall torque to drive dual Hitachi main pumps simultaneously without engine bogging during heavy trenching.
  • Centrifugally Cast 108 mm Alloy Liners: Precision-cast alloy liners prevent thermal distortion, oil blow-by, and coolant leaks into the oil pan.
  • 100% Direct Plug-and-Play for EX220-2: Pre-matched Hino flywheel housing bolt circles, front gear casing, and engine mounts eliminate field alignment downtime.
  • Computerized Dynamometer Bench Certified: Hot oil gallery pressure, crankcase blow-by, and full-load fuel delivery curves 100% verified before boxing.
  • Backed by a 12-Month Warranty: Zero MOQ (1 Unit accepted) with reliable 3-7 day global air express or sea container delivery from stock.

Description

H06C-T 4251850 Engine Assembly Overview

The H06C-T 4251850 Engine Assembly manufactured by Tatan is a 6.490L 6-cylinder turbocharged water-cooled diesel powerplant belonging to our Diesel Engine Assembly classification. Engineered specifically for Hitachi EX220-2, EX220LC-2, and EX220-2m 22-ton excavators, swapping your fatigued powerplant with this complete H06C-T 4251850 Engine Assembly unit eliminates machine downtime, excessive crankcase blow-by, and hydraulic power starvation under heavy continuous digging loads.

Built strictly according to original Hino OEM specifications, this complete engine assembly comes pre-assembled with mechanical in-line injection pump, turbocharger, starter motor, and alternator, ensuring 100% direct bolt-on fitment with Hitachi dual hydraulic pump couplings and mounting brackets.

⚠️ Technical Verification for EX220-2 Owners: Series 1 and Series 2 production batches of the Hitachi EX220-2 may feature minor variations in oil filter bracket designs or throttle linkage mountings. Please send a photo of your existing engine nameplate to Gavin for immediate confirmation before shipping.

Key Attributes & Parameters for H06C-T 4251850 Engine Assembly

Product CategoryDiesel Engine AssemblyWarranty1 Year / 12 Months
Specific Engine ModelHino H06C-T / H06CT Turbo EngineBrand NameTatan
Compatible EquipmentHitachi EX220-2 | EX220LC-2 ExcavatorOEM Part NumberH06C-T / 4251850 / 4281929
Engine Displacement6.490 Liters (6490 cc / 6.5L)Cylinder Arrangement6 Cylinders Inline (I-6) 4-Stroke
Horsepower & RPM118 kW (160 HP) @ 2100 RPMCooling SystemHeavy-Duty Water-Cooled / Liquid Cooled
Machinery Test ReportProvided (100% Dyno Tested under Load)Video Outgoing-InspectionProvided Before Shipping
Aspiration TypeTurbocharged (废气涡轮增压)Place of OriginGuangdong, China
Quality Status100% Brand New Engine AssemblyPackagingExport Wooden Box Packaging

Supported Machinery Brands & Engine Coverage

In addition to Hino, Tatan manufactures replacement complete diesel engines and overhaul components for leading machinery brands:

H06C-T 4251850 Engine Assembly for Hitachi EX220-2 excavator
Tatan Compatible Excavator Machinery Brands Display Hitachi Komatsu Caterpillar Kobelco Volvo Doosan

Application Scenarios & Buyer Value

When rebuilding or replacing aging powerplants with our H06C-T 4251850 Engine Assembly, workshops and equipment owners eliminate repetitive downtime:

Application ScenarioValue Delivered to Buyer
Hitachi EX220-2 Engine ReplacementSwapping to the H06C-T 4251850 Engine Assembly cuts machine repair downtime by up to 75% compared to trial-and-error field block rebuilding.
Excavator Overhaul WorkshopsAvoids the high cost and failure rate of line-boring cracked main bearing saddles and grinding undersized crankshafts on high-hour blocks.
Quarry & Heavy Earthmoving FleetsRestores full 118 kW high-stall torque, driving dual main hydraulic pumps simultaneously without engine RPM dipping under heavy 22-ton bucket loads.
International Machinery StockistsReady-to-ship replacement engine inventory for overseas contractors maintaining working fleets of classic Hitachi Dash-2 machinery.

H06C-T 4251850 Engine Assembly OEM Diagnostic Guide

Use this technical diagnostic guide to identify engine failures on your Hitachi EX220-2 excavator:

Engine SymptomTechnical Cause AnalysisTatan Factory-Grade Solution
1. Hard cold starting & dense white unburned fuel smokeMechanical in-line injection pump delivery timing retarded or cylinder compression falling below 2.8 MPa due to 108 mm piston ring and liner wear.Adjust injection timing or replace with a complete H06C-T 4251850 Engine Assembly.
2. Severe RPM drop & heavy black smoke under digging loadTurbocharger wastegate failure leading to low manifold boost pressure (<1.1 bar) or injection pump mechanical governor spring fatigue.Inspect turbocharger boost pressure or swap to a factory pre-tested complete replacement engine.
3. Excessive oil consumption & high crankcase blow-by pressureScored 6.5L cylinder liners, stuck oil scraper rings, or deteriorated valve stem seals allowing engine oil into combustion chambers.Install a new complete engine assembly; flush oil cooler lines and replace oil filter cartridges.
4. Engine coolant overheating & continuous radiator bubblingWater pump impeller erosion, clogged radiator core tubes, or cylinder head gasket leaking high-pressure combustion gas into the water jacket.Replace thermostat (82°C), flush cooling system, or install a brand new complete engine unit.

Transport Packaging & Fast Global Shipping

To ensure 100% damage-free international transport, every Tatan H06C-T engine assembly is preserved with anti-corrosion fluid, sealed in heavy poly film, and strapped inside an export-grade wooden crate.

Global shipping supported by multiple logistics companies DHL FedEx UPS Sea Air Freight

✈️ Express Air Courier

Partnered with DHL, FedEx, UPS, and TNT for 3-7 day express door-to-door delivery worldwide.

🚢 Sea Cargo Freight

LCL and FCL ocean container shipping for heavy engine assemblies and bulk fleet orders.

📦 Export Wooden Cases

Fumigated solid wooden boxes with custom high-density foam inserts to prevent shipping shock.

Quality Control & International Certificates

Tatan hydraulic and engine components are manufactured under ISO 9001 certified quality control systems and strictly comply with CE industrial safety directives.

Tatan Quality Assurance ISO9001 CE Qualification Certificates

H06C-T 4251850 Engine FAQ & Related Categories

Q1: Is this H06C-T 4251850 Engine Assembly a direct replacement for Hitachi EX220-2 excavators?
A: Yes. This assembly is engineered to direct OEM specifications for Hitachi EX220-2 and EX220LC-2 machines, matching original Hino flywheel bellhousing and motor couplings.
Q2: Does the engine assembly include the turbocharger, starter, and alternator?
A: Yes. Tatan complete engine assemblies come fully dressed with the mechanical fuel injection pump, turbocharger, water pump, 24V starter motor, and alternator ready for immediate installation.
Q3: What are the primary OEM part numbers associated with this Hitachi EX220-2 engine?
A: Common OEM reference numbers include 4251850, 4281929, 4176898, and H06C-T.

Get Wholesale Factory Quote for H06C-T 4251850 Engine Assembly

Looking for direct factory pricing, stock availability, or technical verification for H06C-T 4251850 engines? Contact senior specialist Gavin now!

💡 Fast Quote: Send your engine serial number or nameplate photos for a 100% accurate match within 10 minutes!

* Note: Wholesale Reference Price Starts From $300.00. Please contact Gavin for a final customized quote.

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