IH #7

Midway · Jan 20, 2021

I have my nieghbors #7 IH horse drawn mower. He mowed his pasture with it and a JD H tractor years ago. He passed away and I would like to mow with it now and again for fun. No hard work just to see it cut. I have it operational but like to know what gear oil was used in the gear box. I have read not to use 90w. What do you suggest ? I have a Farmall SC I would pull it with. I know to go slow with it. Thanks for your reply.

Kelly in tx · Jan 20, 2021

Midway, I use a non-foaming oil. I think it is ISO 40. Tractor Supply has it.

Ted in NE-OH · Jan 20, 2021

80-90 gear oil

MtMan · Jan 20, 2021

I have a McCormack Deering mower and it works okay. Just don't go to slow as horses walked faster than most people think. When I a boy I mowed with a team and they moved right along. You had to rest them quite often as a mower hung quite heavy on them. My mower has the gear box behind the axle so it is a bit lighter than some on the tongue. Also make sure the tongue is about the same height as it would be hooked to a team of horses. That's important to make it cut good. Good Luck and have fun.

Butch(OH) · Jan 21, 2021

Amish neighbor rebuilds #7 and #9 mowers for a living and puts 90wt in the gearboxes.

showcrop · Jan 21, 2021

2X what MtMan said sickle bars plug too much if you go too slow. They like fairly mature stemmy grass too.

Dennis K (WA) · Jan 21, 2021

Here is what it says in #7 book. Hope is big enough to read. SAE20 not heavy trans oil.

IH #7

Midway

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Kelly in tx

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Ted in NE-OH

Well-known Member

MtMan

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Butch(OH)

Well-known Member

showcrop

Well-known Member

Dennis K (WA)

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