[raymondn]

It seems my old PTO/Clutch switch is bad, so I went to our local dealer to get a new one. I was told they no longer sell the original switch, and they set me up with a new style(in pic). I ordered the necessary adapters but have not found any instructions to wire it up. Is there a good doc or instructions available? Honestly, I would like to replace the old switch with the same type but not finding anything available.

 

[UrbanTractor]

Hi and welcome!

Would you consider used? I own a ‘72 and and with these 50-year-old machines sometimes used parts are the best we can do. I took a quick look at ebay and this popped up:

John Deere 140 Electrical Parts Lot PTO Switch Voltage Regulator Solenoid | eBay

<p>John Deere 140 Electrical Parts Lot PTO Switch Voltage Regulator Solenoid. </p><br /><p>Buying as a lot with the parts shown. Buying as is with no returns, these are used parts. Came from a 1973 140 that was running and driving when torn down. </p>

www.ebay.com

 

[raymondn]

I would, but in looking at the pic, I see the switch is very similar to the new one I bought. I will have to take a pic of the switch I have, but it only has 4 tabs

 

[UrbanTractor]

I would, but in looking at the pic, I see the switch is very similar to the new one I bought. I will have to take a pic of the switch I have, but it only has 4 tabs

Could be the one you have is not original.

 

[raymondn]

Maybe... Got it from my dad before he passed away. Where would I find the actual year the tractor was made?

 

[UrbanTractor]

Maybe... Got it from my dad before he passed away. Where would I find the actual year the tractor was made?

The year will be determined by the serial number tag on the pedestal. You can compare that serial number to the model year info here:

TractorData.com John Deere 140 tractor information

www.tractordata.com

 

[raymondn]

The year will be determined by the serial number tag on the pedestal. You can compare that serial number to the model year info here:

TractorData.com John Deere 140 tractor information

www.tractordata.com

View attachment 2560811

Thank you.. Much appreciated

 

[stevevdg]

Buying used pto or ignition switches is a crap shoot. New ones are cheap. I got a new one on Amazon a little while ago for my 300. Wonder if that would work for you?

 

[raymondn]

I'll take a pic and attach and verify the actual year made

 

[raymondn]

Hmm. Nothing matches those serial numbers. Here is the plate and switch.

 

[JDDottie]

Any chance you can/could post a photo of the tractor?

 

[raymondn]

Any chance you can/could post a photo of the tractor?

 

[JDDottie]

Thanks. A 1969 model year 140?

 

[x738]

Tractordata usually has correct info, but the Deere parts pages also give serial number/year info.

Deere has separate sections/pages the 140, for before and after s/n 30000,

From Deere:
140 Hydrostatic Tractor
MP886 A.1

K301AS Kohler Engine
1968 Model (Serial No. -10,000)

K321AS Kohler Engine
1969 Model (Serial No. 10,001-22,400)
1970 Model (Serial No. 22,401-30,000)


140 HYDROSTATIC TRACTOR

14 HP K321AS KOHLER ENGINE
1971 MODEL (SERIAL NO. 30,001-38,000)
1972 MODEL (SERIAL NO. 38,001-46,500)
1973 MODEL (SERIAL NO. 46,501-56,500)
1974 MODEL (SERIAL NO. 56,501- )


For before 30000 the push pull switch Deere shows it has been substituted with:
Toggle/Rocker Switch - SWITCH, PTO
Part Number AM39489
Quantity Required 1

Elec. Connector Housing - CONN DELPHI 56 2W F BLK PLSTC
Part Number 57M8574
Quantity Required 1

Elec. Connector Housing - CONN DELPHI 56 2W F BLK PLSTC
Part Number 57M8575
Quantity Required 1

Presumably those are the 3 parts you were given.

 

[joecdeere]

see if this helps, look in the lower left of the drawing and it shows the 5 wire in the harness, in a box just below, it shows the older 4 wire

 

[UrbanTractor]

Thanks. A 1969 model year 140?

Yup, it’s a 1969.

 

[UrbanTractor]

Hmm. Nothing matches those serial numbers. Here is the plate and switch.

Your serial number falls in the 1969 serial range.

 

[raymondn]

see if this helps, look in the lower left of the drawing and it shows the 5 wire in the harness, in a box just below, it shows the older 4 wire

View attachment 2560836

Thank you! I will see what I can figure out tomorrow

 

[raymondn]

I was able to install and wire the new switch. However it acts the same as the old switch. Attaching a couple video links to show what is happening:

engaging switch

youtube.com