John Deere 6404T, 6404A Engine

At Diesel Engines Canada, we specialize in providing top-notch engine rebuilding services for the John Deere 4630 Tractor, specifically designed to fit the John Deere 6404T and 6404A engines. Our commitment to quality and reliability ensures that your tractor will perform at its best, whether you're using it for agricultural tasks or construction projects. With our extensive experience and state-of-the-art facilities, we guarantee a remanufactured engine that meets or exceeds OEM specifications.

Our engine rebuilding process is meticulously designed to restore your John Deere engine to its original performance standards. We utilize ISO 9001:2015 approved parts, ensuring that every component meets the strict tolerances required by the manufacturer. This attention to detail means that your remanufactured engine will deliver dependable power and efficiency, allowing you to get back to work with confidence.

Unlike standard rebuilds that may be performed in a typical garage environment, our remanufacturing process is comprehensive and thorough. Located in Concord, Ontario, our specialized engine machine shop is equipped with advanced engine machining equipment, allowing us to handle every aspect of the rebuilding process in-house. This eliminates the need for outsourcing, significantly reducing waiting times and ensuring that your engine is rebuilt to the highest standards.

In addition to our rebuilding services, we also offer a selection of brand new surplus engines for those situations where a rebuild may not be feasible. If your engine is beyond repair, we can seamlessly transfer the exterior components from your old engine to our new engine, ensuring compatibility with your existing equipment. This process minimizes additional effort and allows for a smooth installation, so you can get back to work without unnecessary delays.

With over three decades of experience in the engine remanufacturing industry, Diesel Engines Canada is your trusted partner for all your engine rebuilding needs. Our knowledgeable team is here to assist you in choosing the right option for your John Deere 4630 engine. Whether you need a complete rebuild or a new engine, we are dedicated to providing you with the best solutions tailored to your specific requirements.

If you're interested in our engine rebuilding services or would like to inquire about the availability of our brand new surplus engines, please don't hesitate to reach out. You can call or email us for more information, and our friendly staff will be happy to assist you with any questions you may have.

Detailed Engine Remanufacturing Procedure

Our remanufacturing process involves a series of meticulous steps to ensure that every engine we rebuild meets our high standards of quality. 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
• Magnafluxing 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 committed to delivering exceptional service and quality. Trust us with your John Deere 4630 engine rebuilding needs, and experience the difference that our expertise can make.