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Can I Use the Same Magnetic Heater Pad For Tractor And Generator Motor Oil?  

Updated 11/13/2025 | Published 11/05/2025

Question:

Can I move the Heat Magnet from my tractor to my generator without damaging it?

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Expert Reply:

You sure can, Doris - that’s one of the big perks of the Zerostart Heat Magnet # ZE35MR. It’s fully reusable/moveable: just unplug, lift it by the handle, and place it on the next metal surface and plug it back in. The built-in thermostat protects it even during extended use, so you can swap between machines as needed and just leave plugged in.

Are both units steel-pan engines? That’ll confirm you’ll get full magnetic hold on each.

expert reply by:
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Andrew N
Doris profile picture

Doris

11/13/2025

Thanks, Andrew. Both my tractor and generator have steel pans. Can I leave it plugged in on the generator all night or should I only run it a few hours before starting?

Andrew N. profile picture
Etrailer Expert

Andrew N.

11/13/2025

@Doris Yes Doris. You can absolutely leave it plugged in overnight - the Zerostart Heat Magnet # ZE35MR has a built-in thermostat that cycles the temperature, so it won’t overheat or hurt the oil. Most folks up north do exactly that when it’s cold.

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