Diesel Stop Solenoids: Finding the Right Fit

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SUMMARY

The discussion focuses on selecting a suitable pull-type solenoid for an old diesel engine stop system. The required specifications include a stroke length of 9/16" to 1 1/2", a return spring strength of at least 20 lbs, and continuous duty capability, likely with a dual coil. While options from F. W. Murphy and Trombetta were considered, they did not meet the requirements. The Woodward/Synchrostart line was identified as a potential solution, albeit at a higher cost. Participants were asked for recommendations on additional manufacturers of diesel stop solenoids.

PREREQUISITES
  • Understanding of pull-type solenoids and their applications
  • Familiarity with diesel engine stop systems
  • Knowledge of solenoid specifications, including stroke length and spring strength
  • Experience with continuous duty solenoids
NEXT STEPS
  • Research alternative manufacturers of diesel stop solenoids, such as Heinzmann and Teddington
  • Investigate the specifications of Woodward #2370 - 12 -E2U1B5S2 for compatibility
  • Explore pricing and availability of solenoids from Delphi and Bosch
  • Learn about dual coil solenoid configurations for enhanced performance
USEFUL FOR

This discussion is beneficial for engineers, mechanics, and technicians involved in diesel engine maintenance and design, particularly those seeking reliable solenoid solutions for engine stop systems.

Josh111
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I am designing a stop system for a old diesel engine. The application I am using needs a pull type solenoid that can have a stroke of 9/16" - 1 1/2". it needs to have a return spring of at least 20 lbs. It needs to be continuous duty ( probably 2 coil).This will be used as a "engage to run" setup. The spring loaded solenoid will push the injector shut when power is removed.



I have looked at several brands including F. W. Murphy and Trombetta. These do not seem to meet my requirements. I did however find some in the woodward/synchrostart line that will work, however they are quite expensive. Can anyone tell me what some other companies are that make diesel stop solenoids?

These are the models I have looked at:

F. W. Murphy #RP2309B

Trombetta 600 Series
Woodward # 2370 - 12 -E2U1B5S2
 
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