If you are managing a fleet of KATO HD820-3 excavators, you know that maintaining the Mitsubishi 6D34-T engine is critical for site productivity. We provide high-precision HD820-3 (HD8203) engine components designed to meet or exceed original equipment standards.
Ensure your heavy machinery stays operational with our specialized parts. Below is the technical data for the HD820-3 series components.
| Field | Details |
|---|---|
| Model NO. | HD820-3 / HD8203 |
| Engine Model | Mitsubishi 6D34-T / 6D34-TL |
| Product Name | Engine Overhaul Kit / Piston Kit / Main Bearings |
| Part Number | HD820-3 (Alt: HD8203) |
| Condition | Brand New, OEM Standard Replacement |
| Application | Engine rebuild, overhaul, maintenance for KATO Excavators |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | Express (DHL, Fedex, EMS, UPS), Air Freight, Sea Freight |
| MOQ | 1 Piece |
| Stock Status | In Stock / Fast Dispatch |
Choosing the right supplier for your HD820-3 parts can mean the difference between a one-day repair and a two-week breakdown.
| Core Procurement Factors | Our OEM-Standard Parts | Standard Aftermarket |
|---|---|---|
| 1. Material Durability | High-temperature resistant tri-metal structure | Generic alloy (prone to thermal wear) |
| 2. Precision Fit | 100% matched to HD820-3 6D34T specs | Approximate fit (may require adjustment) |
| 3. Sealing Integrity | Premium non-asbestos gasket sets | Low-grade rubber (risk of oil leaks) |
| 4. Availability | Ready to ship from stock | Pre-order only / Long lead times |
| 5. Support | Expert technical identification assistance | Generic sales only |
| 6. Cost-Effectiveness | Direct factory pricing without middleman | Higher markup from local dealers |
Overheating in the HD820-3 is often caused by a failing water pump or a clogged radiator. If you notice white smoke, it may indicate a blown head gasket. We recommend a full engine inspection and using our high-grade 6D34-T gasket kits to restore cylinder compression.
This "engine lugging" often points to fuel system issues or worn piston rings reducing compression. Checking your fuel injectors and ensuring the HD820-3 piston assembly is within tolerance is vital for regaining machine speed.
Answer: Our kits feature an OEM-standard tri-metal structure. They are trusted by repair shops and equipment fleets worldwide for their ability to withstand the harsh vibrations of construction sites.
Not sure how this issue affects your equipment?
Our team helps operators across the globe minimize downtime through expert advice:
Identify potential risks during maintenance
Recommend suitable replacement parts if needed
Support both inspection advice and parts supply
We specialize in a wide range of engine assemblies and components. Our core inventory includes high-quality parts for Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Whether you need a cylinder liner, piston, piston ring, crankshaft bearing, connecting rod bearing, or thrust plate, we have the stock ready.
Our catalog covers essential engine overhaul kits, diesel pumps, fuel injectors, crankshafts, turbochargers, water pumps, oil pumps, cylinder blocks, cylinder heads, and connecting rods. We focus on long-term performance through long-tail search terms such as: heavy-duty excavator engine rebuild, industrial diesel engine components, 6D34 engine spare parts supplier, construction machinery piston replacement, and premium engine gasket sets.
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