Caterpillar 631E Series II Engine

At Diesel Engines Canada, we specialize in providing top-notch engine rebuilding services for the Caterpillar 631E Series II Motor Scraper, which is powered by the robust Caterpillar 3408E engine. Our commitment to quality and reliability ensures that your engine will perform at its best, whether it's used in agricultural or construction applications. With our extensive experience and state-of-the-art facilities, we are your go-to source for all your engine rebuilding needs.

Comprehensive Remanufacturing Process

Our remanufacturing process is designed to exceed the standard rebuild practices typically found in local garages. We utilize ISO 9001:2015 approved parts that adhere to the strict tolerances set by OEM specifications. This meticulous approach guarantees that your remanufactured Caterpillar engine will deliver dependable power and performance for years to come. Our facility in Concord, Ontario, is equipped with advanced engine machining equipment, allowing us to handle every aspect of the remanufacturing process in-house. This not only minimizes waiting times but also ensures that every component is treated with the utmost care and precision.

Expertise You Can Trust

With over three decades of experience in the engine remanufacturing industry, Diesel Engines Canada has built a reputation for excellence. Our skilled technicians are well-versed in the intricacies of the Caterpillar 3408E engine, and they are dedicated to restoring your engine to its original specifications. We understand that each engine is unique, and we take the time to assess your specific needs to provide a tailored solution that meets your requirements.

Brand New Surplus Engines Available

In addition to our remanufacturing services, we also offer a selection of brand new surplus engines. If your Caterpillar 3408E engine is beyond repair, we can provide you with a new engine that fits seamlessly into your existing equipment. Our team can assist in transferring exterior components from your old engine to the new one, ensuring emissions compatibility and a hassle-free installation process. Please call or email us for availability and to discuss your options.

Detailed Engine Remanufacturing Procedure

Our remanufacturing process involves a series of meticulous steps to ensure that every part of your engine is restored to optimal condition. This includes:

• 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 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 are committed to providing you with the highest quality engine rebuilding services. Whether you need a complete remanufacture or a brand new surplus engine, we are here to help. Contact us today to learn more about our services and how we can assist you in getting your Caterpillar 631E Series II engine back to work.