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Unit Exchange and Remanufactured Engines


Unit Exchange and Remanufactured Engines Program

Cooper offers a an exceptional unit exchange and remanufactured engines program. We can recondition or remanufacture any make of reciprocating engine or turbocharger, offering an attractive, economical solution based on your particular situation. Engine reconditioning restores equipment to like-new condition and in accordance with O.E.M. specification or industry standards. Remanufacturing involves restoring equipment to a given set of specifications based on a particular application.

For your unit exchange (UX) or remanufactured engine, Cooper designs, engineers, and delivers only genuine and high-quality parts that meet or exceed O.E.M. & industry standards and specifications. Cooper also provides retrofit services to enhance engine performance and meet new emission requirements.

Our global network of Cooper service shops and field service teams are at the ready to restore and upgrade your existing engine and compressor installation. We have an inventory of UX engines at the ready for quick turnaround during emergency situations. 

ux program


Minimal Downtime

Cores are continuously rebuilt so that they are available upon demand. Being able to swing a Cooper Machinery Services exchange engine results in less time than in-field overhaul.


Inline and vee Superior cores and several Waukesha VHP cores are in stock.

Competitive Pricing

Cooper Machinery Services exchange engines are priced comparable to remanufactured engines and are trusted to go the distance to maximize return on investment.


Standard Cooper 12-month warranty, up to 18 months available.

Exchange Core Rebuild Process

Disassembly and Cleaning

Engines are disassembled and cleaned by skilled personnel to eliminate and remove elements that can hide flaws.



All engines are carefully inspected and thoroughly tested. We use OEM dimensions and tolerances to ensure specs are met.



Skilled assemblers follow exacting standards and specifications from the most current engineering schematics when remanufacturing engines.



Every engine that leaves the shop has been comprehensively checked. Each test is recorded and stored electronically to maintain quality controls.


Packing and Shipping

Engines are preserved and carefully packaged to ensure they are protected from the elements and can be installed right off the truck.


Engine Family: 825

  • 6G
  • 8G
  • 12G
  • 8GTL
  • 8GTLA
  • 8GTLE
  • 8GTLX
  • 16SGTB

Engine Family: VHP

  • L7042 G (1,000 rpm)
  • L7042 GSI (1,200 rpm)

Cooper Machinery Services

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