Cummins QSB4.5 Engine

Engine Rebuilding Service for Komatsu PC128US-2

At Diesel Engines Canada, we specialize in providing top-notch engine rebuilding services for the Komatsu PC128US-2 Hydraulic Excavator, which is equipped with the reliable Cummins QSB4.5 engine. Our commitment to quality and precision ensures that your excavator will be back in action with enhanced performance and reliability. Whether you are facing engine issues or simply looking to upgrade, our remanufacturing service is designed to meet your needs effectively.

Why Choose Our Engine Rebuilding Service?

When it comes to engine remanufacturing, we take pride in our meticulous approach. Our process utilizes ISO 9001:2015 approved parts that adhere to the strict tolerances set by OEM specifications. This guarantees that your remanufactured Cummins QSB4.5 engine will deliver dependable power and efficiency, ensuring that your Komatsu PC128US-2 operates at its best.

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 that allows us to restore your engine to its original specifications. By keeping all machining work in-house, we minimize waiting times and ensure a faster turnaround for our customers.

Comprehensive Remanufacturing Process

Our engine rebuilding service involves a detailed and systematic approach to ensure every component is restored to optimal condition. The process 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
• Packaging the engine in a corrosion-inhibiting bag

Brand New Surplus Engines Available

In addition to our remanufacturing services, we also offer a selection of brand new surplus engines. If your Cummins QSB4.5 engine cannot be rebuilt, we can provide you with a new engine that fits seamlessly into your Komatsu PC128US-2. Our team has the expertise to transfer exterior components from your old engine to the new one, ensuring emissions compatibility and a hassle-free installation process.

Experience You Can Trust

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 staff is here to assist you in choosing the right option for your excavator. We understand the importance of keeping your machinery operational, and we are dedicated to providing you with the best solutions available.

For inquiries about our engine rebuilding services or to check the availability of our brand new surplus engines, please do not hesitate to contact us via email or call us. We are here to help you get your Komatsu PC128US-2 back to work efficiently and reliably.