At Diesel Engines Canada, we specialize in providing top-notch engine rebuilding services for the John Deere 990 Hydraulic Excavator, specifically equipped with the Yanmar 4TNV84 engine. Our commitment to quality and reliability ensures that your machinery operates at peak performance, minimizing downtime and maximizing productivity. Whether you are in the agricultural or construction sector, our expert team is here to help you restore your engine to its original glory.
Our engine rebuilding process is meticulously designed to meet and exceed OEM specifications. We utilize ISO 9001:2015 approved parts, ensuring that every component we use adheres to the highest standards of quality and precision. This attention to detail guarantees that your remanufactured Yanmar engine will deliver the dependable power and efficiency you expect from your John Deere equipment.
Unlike standard rebuilds typically performed in a garage environment, our remanufacturing process is comprehensive and thorough. Located in Concord, Ontario, our specialized engine machine shop is equipped with state-of-the-art machinery and tools necessary to restore your Yanmar 4TNV84 engine to its original specifications. By keeping all machining work in-house, we significantly reduce waiting times and ensure that your engine is rebuilt with the utmost care and precision.
In addition to our rebuilding services, we also offer a wide selection of brand new surplus engines. If your Yanmar engine is beyond repair, we can provide you with a new engine that fits seamlessly into your John Deere 990 Hydraulic Excavator. Our experienced team can assist in transferring exterior components from your old engine to the new one, ensuring emissions compatibility and a perfect fit with minimal additional effort required on your part.
With over three decades of experience in the engine remanufacturing industry, Diesel Engines Canada has built a reputation for excellence and reliability. Our knowledgeable staff is always ready to assist you in choosing the right option for your needs. If you have any questions or need assistance, please do not hesitate to reach out to us via email or phone. We are here to help you make the best decision for your equipment.
Detailed Engine Remanufacturing Procedure
Our engine remanufacturing process involves several critical steps to ensure that every engine we rebuild meets our high standards. Here’s a brief overview of our detailed procedure:
- Disassembly of the engine
- Manual scrubbing of heavy debris
- Engine degreasing
- Hot alkaline spray jet cleaning
- Pneumatic wire brushing
- Ultrasonic cleaning
- Removal of broken studs
- Measuring all components to manufacturer specifications
- Machining of cylinder bore to accept new pistons
- Checking for warpage with a straight edge
- Milling cylinder head surface
- Cutting valve seats
- Gnurling valve guides
- Machining valve surfaces or replacement
- Testing valve spring resistance
- Magnaflux cylinder heads for crack detection
- Adjusting valve clearance
- Assembling the cylinder head
- Machining crankshaft to accept new bearings
- Assembling the engine with all new components
- Spin testing the engine
- Taping all ports and packaging the engine in a corrosion-inhibiting bag
At Diesel Engines Canada, we take pride in our work and are dedicated to providing you with the best engine rebuilding services available. Contact us today to inquire about our services or to check the availability of our brand new surplus engines. Your satisfaction is our priority, and we look forward to serving you!