Engine Spare Parts
our Company
Our History
Jining Tongderui Construction Machinery Co., Ltd was established in 2011. Our company is located in Jining City, Shandong PR, China, the place for Komatsu and Shantui manufactory. is a leading supplier for Consruction machinery parts,after 12 years development, our company service more andmore clients in the world. Help them to got the spare parts with best price and quality, fast delivery.

Our Factory
Our company cooperate with the manufactury produce the hydraulic cylinder rod, could supply for all the model which you need.Our factory owns several mechanical processing production lines, has been approved as OEM parts supplier for Komatsu. Exported to more than 50 Contries. Passed ISO 9001-14001 international quality management system certification.

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PC1250-7 Excavator 6D170 Engine Injector 6560-11-1114PC1250-7 Excavator 6D170 Engine Injector 6560-11-1114Add to Inquiry
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Bulldoer Parts D375A Cap 07050-41200Construction Machinery Genuine Komatsu Bulldozer Parts Cap 07050-41200 for D155A, D155AX, D155C, D155S, D275A, D275AX, D355A, D355C, D375A, D40A, D40P, D40PF, D40PL, D40PLL, D41A, D41P, D475A, D50A,Add to Inquiry
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SLACK ADJUSTER561-43-86180 For Komatsu HD785-7SLACK ADJUSTER561-43-86180 for komatsu HD785-7Add to Inquiry
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Excavator PC650-8 Original Parts 21M-98-11110 GREASE PUMPExcavator PC650-8 original parts 21M-98-11110 GREASE PUMPAdd to Inquiry
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Engine Water Pump Seal 6166-61-1511 6162-63-1514 6162-63-...Engine water pump seal 6166-61-1511 6162-63-1514 6162-63-1513 original qualityAdd to Inquiry
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Komatsu Cooling Fan 600-633-7850 Original Parts WA470Komatsu Cooling Fan 600-633-7850 WA470 Original Parts in stockAdd to Inquiry
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HD465-7 TRANSMISSION 569-13-59860 Couping 566-40-41420 56...HD465-7 TRANSMISSION 569-13-59860 Couping 566-40-41420 561-30-81101Add to Inquiry
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Komatsu Engine Parts Alternator 600-861-9122Construction Machinery Genuine Komatsu Wheel Loader Engine Parts Alternator 600-861-9120 for SAA4D107E, SAA6D107E, SAA6D114E, SAA6D140E, SAA6D170E, WA200PZ, WA250PZ, WA320PZ, WA380, WA430, WA500Add to Inquiry
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6275-11-3100 Injector Used For Excavator PC138-10 PC88-10...6275-11-3100 Injector used for excavator PC138-10 PC88-10 29505-1090Add to Inquiry
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Dump Truck Parts 561-86-67700 561-87-67710 For Komatsu HD...Dump truck parts 561-86-67700 561-87-67710 for komatsu HD605-7 valveAdd to Inquiry
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Dump Truck Parts 569-01-62712 Coupling For HD465-7Dump truck parts 569-01-62712 Coupling for HD465-7Add to Inquiry
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Damper Body 561-01-72651 Komatsu Genuine PartsKomatsu Damper Body 561-01-72651 for HD785-7 Dump Trucks, Komatsu Genuine Spare parts in stockAdd to Inquiry
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Origina 561-40-61330 Bushing For HD985 HD785 -
Genuine Product 20Y-979-6191 Sensor For BP500-7 PC200 PC1... -
High-quality PIN 14X-78-11310 For D65 D68 -
New Bushing 6210-21-1790 For S6D140E Parts -
VALVE PARTS 714-10-16951 FOR WA200 -
Genuine Product 56B-43-17430 Valve For HD450-7 HD325-7 HD... -
Fuel Injection Pump 6219-71-1111 For D475-5 Engines -
New Cap 581-96-14630 For Excavator -
High-quality 707-010CG70 -
High-quality STRAINER 22B-60-11160 For PC360-7 -
ELEMENT 569-43-83920 For HD405-7 HD605-7R -
714-07-28713 ELEMENT For WA470-6 GD675-3EO
- Tel: +8613455586650
- Email: admin@tdrzl.com
- Add: No.8 Shanbo Road, High tech Zone, Jining City, Shandong Province.
Advantage of our Engine products
provide various Models of engine Parts
As long as you provide the product name, model and part number, we can provide the products you need, including original, OEM and aftermarket parts.
Best Price and high quality for our engine parts
We guarantee the quality of our products.Our prices are competitive and we have excellent pre-sales and after-sales service

More than ten years of experience in parts supply
Our salesmen have rich experience and are proficient in product information. Engine parts can be accurately provided.
Excellent packaging and shipping speed
We will use cartons and wooden boxes to package the products completely.After placing the order, we will deliver the goods as quickly as possible.
Engine series products
Engine Assembly
The engines powering Komatsu machines have several advantages. Firstly, they are highly efficient, meaning they consume less fuel and emit fewer greenhouse gases. This is especially important in today's world where environmental concerns are increasingly being given greater attention. Secondly, they are designed to be durable and reliable, ensuring that they can handle the stresses and demands of constant use. This is particularly important in construction sites where machines are often subjected to harsh conditions.


Engine Repair Kit
First, they help to reduce downtime and increase productivity. When an engine fails, it can bring a project to a halt. By having an engine repair kit on hand, downtime can be minimized, and the machine can be back up and running quickly.
Second, repair kits are cost-effective. Rather than replacing the entire engine, repairing it with a kit can save money in both the short and long term.
Finally, using a Komatsu engine repair kit ensures that the engine is repaired using genuine, high-quality parts designed specifically for Komatsu machines. This ensures that the repair is done correctly, and the engine performs as intended.
Crankshaft
The crankshaft provides several advantages for these heavy machinery vehicles. Firstly, it ensures that energy is efficiently transferred from the engine to the machine's hydraulic system, allowing for smooth operation and maximum digging, loading, or pushing power. This efficiency helps to conserve fuel and increase productivity, enabling operators to get more work done in less time.
Additionally, the crankshaft helps to balance the engine's moving parts, reducing stress and preventing damage to the engine and other related components. This balance ensures that the engine runs smoothly and quietly, providing a comfortable working environment for the operator.

Injector
Komatsu excavators, loaders and bulldozers are equipped with modern fuel injection systems that provide efficient and reliable operations. The function of the engine fuel injectors is to supply fuel to the engine cylinders in precise amounts to ensure optimal combustion and engine performance.
The advantages of fuel injection systems in these machines are numerous. They provide better fuel economy, lower emissions, faster response times, and reduced engine noise. Fuel injection also enables the engine to run smoother and more efficiently than a carburetor, which can lead to a longer lifespan for the engine.


Common Rail
The common rail system is a fuel injection technology that uses a high-pressure pump to supply fuel to the injectors at a constant pressure. This leads to more precise and efficient fuel delivery, resulting in better fuel economy and lower emissions. The high-pressure fuel also allows for better combustion, increasing the machine's power and performance.
One of the main advantages of the common rail system is its durability and reliability. The system is designed to withstand high pressures and temperatures, ensuring that it lasts longer and requires less maintenance. It also reduces wear and tear on the engine components, reducing the risk of breakdowns and costly repairs.
Fuel Pump
One of the significant benefits of having an efficient engine fuel pump is that it helps improve fuel economy, which means lowering fuel consumption and producing fewer emissions. As a result, the pump reduces the carbon footprint, which is essential in preserving the environment and reducing air pollution. An accurately calibrated fuel pump helps improve engine efficiency, increase power, and optimize performance.
Moreover, having a reliable fuel pump on a small Komatsu excavator, loader, or bulldozer enhances productivity while reducing downtime. A faulty fuel pump can lead to engine failure, which can halt the machine and its operations, potentially causing delays and financial losses.

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Our company is dedicated to providing top-notch services to our esteemed customers. We understand that our customers are our most valuable assets, and we strive to ensure that they receive nothing short of exceptional service. Here are some of the services that we offer to our clients:
High-quality products
Wide range of product offerings
Competitive pricing
Easy online ordering
Fast delivery
Emission Repair Facility
Excellent customer service
Expert advice
Personalization
Loyalty rewards
FAQ

01.Who are we?
02.How we can guarantee quality?
Always final Inspection before shipment;
03.What can you buy from us?
04.Why should you buy from us not from other supplier?
05.What service can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,CPT,Express Delivery;
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,MoneyGram,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese,Spanish,Russian
As one of the leading engine spare parts manufacturers and suppliers in China, we warmly welcome you to wholesale discount engine spare parts made in China here from our factory. All our products are with high quality and low price.
SAA12V140E 3 ENGINE, 6240-61-1100, PC200 Alternator











