• 06.07.2014
  • Jimmy Finch

Series 60 Iron Piston – Engine Service

November 28, 2000

Detroit Diesel Corporation is pleased to announce that we can now offer cost effective steel piston replacements when servicing failed units that have iron pistons. This only applies to engines that have cylinder blocks machined to accept the steel piston configuration.

DDC added piston cooling nozzle machining to all Series 60 cylinder blocks with unit number 6R-408505 on approximately 3/16/98. All 12.7L standard rated units remained iron until 6/1/99. Therefore, if the engine serial number is 6R-408505 or later, it can accept the steel piston configuration.

We recommend that steel pistons be used if you encounter an iron piston strut or saddle failure. Please note you will need additional parts to be compatible with the new steel piston. Reuse the cooling nozzle plug bolts for the cooling nozzles. Note that there is an associated cost increase for these components. Core material is to be handled under normal core return procedure.

This recommendation only applies to cases where a cylinder kit failure occurs. This is NOT a formal DDC Modification Program. In the event a single cylinder kit failure occurs, the remaining 5 cylinders should also receive steel pistons. Refer to section 1.17 of your Series 60 service manual for the proper installation procedure. The installation procedure for the oil spray nozzle can be found in section 1.1.

The cost of the upgrade will be covered by DDC only if the engines is within base warrant or extended service coverage. Table below shows the required hardware.

Component19981999
Piston23521803 (15:1)23523744 (16.5:1)
Skirt2352180223521802
Piston/Skirt Asm2352180423524098
Connecting Rod2352607823526078
Con Rod Bearing (2)2352607923526079
Piston Ring Set Kit2352555323525553
Fire Ring89298448929844
Compression Ring89298458929845
Oil Ring2351550023515500
Oil Ring Expander2351549923515499
Piston Pin2352164923521649
Cylinder Liner2352339223523392
Piston Pin Retainer Clips (2)2352178123521781
Oil Cooling Nozzle2352849323528493

Jimmy Finch

Dallas Branch Manager, M&D Distributors

Jimmy Finch has over 33 years of experience in Diesel Engine Sales, Service and Repair. His experience started early in life at Texas Fuel Injection Service (an early acquisition of M&D) as a job with a means to an end. Somewhere in that 33 years this job turned into a fulfilling career. He started in the injector clean up department and has held practically every position leading up to his current role as Branch Manager of the Dallas, Texas location.

In his spare time, Jimmy enjoys spending time with his wife of 24 years, Priscilla. They are currently getting ready to make their way into the empty-nesters stage of life. He also enjoys the occasional hunting trip with friends and family and chasing down potential customers by the names off their trucks.

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