158
Fuckit, less than $20 parts, and very little labor. Works perfectly 👍
this post was submitted on 30 Jul 2026
158 points (92.9% liked)
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Tell me about it. I had a blower fan motor go out in the cab of my JD 4720 tractor. I need to remove the roof of the cab to get at it. And then the blower motor is $450. I can deal with the roof, it's just 13 bolts and is lightweight polymer. But the only damn thing wrong with the blower is the 3 speed motor resistor is toast after 15 years. A $30 part. But JD doesn't sell the resistor, just the whole unit. Nor does anyone else. A third party blower is still $300.
The worst part is that they do not mark the resistor with a number to trace. I spent a month searching forums and suppliers for the correct part. But I finally found one. $30 vs $450. Such a scam.
You repaired your machine without John Deere's expressed written authority, and without an authorized technician to boot.
The extermination squad has been deployed, please make all necessary end of life preparations.
My 4720 is over 10 years old. And has no JD tech I can't fix myself. It's just the stupid parts cost that comes with the green paint tax.
I would bypass the resistor and replace it with a PWM motor controller. Resistors waste energy via heat, and you likely don't want extra heat in the cab most of the time. As a bonus, you'll have fine speed adjustment instead of just high/medium/low.
Actually, I want the heat. I mostly use this tractor in the winter to plow snow with.