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Old 10-01-2018, 11:53 AM
zuren zuren is offline
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Join Date: Nov 2016
Location: MI
Posts: 26
Default Dealing with voltage regulator on Kohler Command 27?

As I continue to work through my SLT1554 to get everything running correctly, I came up with some questions around the voltage regulator.

I replaced the PTO on the tractor (old unit was trashed) and in the install instructions for the new unit, it is explicitly stated that voltage going to the PTO at full throttle needs to be 13.4-14V. So I check at the battery and find 11.4V. Then I move to the voltage regulator:

- 46-47V AC from the stator
- 11.4V DC from the output (B)

Based on what I was able to find, 46-47V AC is ok so I thought I had a bad regulator; about everything else electrical on this thing was bad, so it did not surprise me. I plug a new one in and get some improvement (12V) but no where near 13.4V+.

Now I'm digging around trying to figure out why I'm only getting 12V DC at the regulator output at full throttle when it should be higher. I found several posts across several forum boards that a bad ground may be the problem, or in my case, no ground! Sounds like the body of the regulator should be grounded but there is no wire or strap for mine. I could easily make a wire to run from the regulator screw to the Neg. terminal on the battery, but wanted to make sure this is worth my effort! I would also appreciate it if someone could tell me if the values for the stator are good.

Thanks!
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.

MTD Products, Inc. of Cleveland, Ohio purchased the Cub Cadet brand from International Harvester in 1981. Cub Cadet was held as a wholly owned subsidiary for many years following this acquisition, which allowed them to operate independently. Recently, MTD has taken a more aggressive role and integrated Cub Cadet into its other lines of power equipment.

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