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  1. PiotrVA

    Caterpillar AVR with part number 9Y8400 for generator model SR-4

    Thank You will have to check if PMG is a part of those two alternators i have....
  2. PiotrVA

    Caterpillar AVR with part number 9Y8400 for generator model SR-4

    This alternators will be installed in separate stand-alone gensets so there won't be need to synchronize them! Does PMG stands for "Permanent Magnet Generator"? In this case is it a part of alternator or is mounted as separate part of the genset? In the workshop i have only stripped alternators....
  3. PiotrVA

    Caterpillar AVR with part number 9Y8400 for generator model SR-4

    Thank You guys for the reply and an advice! Actually i was planning to buy regular AVR which can give ~12A, For example with the following specs: Type: UNIVERSAL AVR Voltage Set-up:The voltage set up when the remnant magnetism greater than 4V25Hz Input power Supply:AC 160~260V 50/60Hz Maximum...
  4. PiotrVA

    Caterpillar AVR with part number 9Y8400 for generator model SR-4

    I have Caterpillar generator model SR-4, s.n.: 5NA07170 or 6DA04011 which is equipped with automatic voltage regulator (AVR) with part number 9Y8400 s.n.: KCN AB396. I am looking for replacement for original AVR or at least some sort of specification i.e. rated output Amps and Volts!

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