Cummins QSB4.5 Engine

Engine Rebuilding Service for Komatsu PC128US-1

At Diesel Engines Canada, we specialize in providing top-notch engine rebuilding services for the Komatsu PC128US-1 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 to optimal performance in no time. Whether you are facing engine issues or simply looking to enhance the longevity of your equipment, our expert team is here to help.

Why Choose Our Engine Rebuilding Service?

When it comes to engine rebuilding, we understand that you need a service that is both cost-effective and dependable. Our remanufacturing process is designed to exceed the standard rebuild practices typically found in local garages. At our state-of-the-art facility in Concord, Ontario, we utilize ISO 9001:2015 approved parts that adhere to strict OEM specifications. This guarantees that your remanufactured Cummins QSB4.5 engine will deliver the power and reliability you expect from your Komatsu excavator.

Comprehensive Remanufacturing Process

Our engine rebuilding service involves a meticulous remanufacturing process that ensures every component is restored to its original specifications. We take pride in our extensive procedure, which 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 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

This thorough approach ensures that no part is left to chance, and we never compromise on quality. Our goal is to provide you with an engine that performs like new, giving you peace of mind and confidence in your equipment.

Brand New Surplus Engines Available

In addition to our exceptional rebuilding services, we also offer a selection of brand new surplus engines. If your Cummins QSB4.5 engine cannot be rebuilt, we can assist you in transferring the exterior components from your old engine to a new one, ensuring emissions compatibility and a seamless fit into your Komatsu PC128US-1. This option allows for minimal additional effort on your part while providing a reliable solution for your equipment needs.

Contact Us for Availability

With over three decades of experience in the engine remanufacturing industry, Diesel Engines Canada is your trusted partner for all your engine rebuilding needs. If you have any questions or need assistance in choosing the right option for your Komatsu PC128US-1, please do not hesitate to reach out. Call or email us today to inquire about our services and check the availability of our brand new surplus engines. We are here to help you get your equipment back to work efficiently and effectively.