west Nebraska northeast Colorado
Lone Wolf, Ok
Look into spools for an Oliver 252. Shoup carried them not long ago. That should essentially be the same disc.
Some had round axles, some had square. Be sure to check application notes.
Otherwise, old Oliver discs are extraordinarily cheap. Might be ahead to buy a parts machine. Can't say I've ever seen one set on 11" spacing though. Can you post picture of it?
AGCO shows available part # 237710B for the same part.
George Geddes patented this expandable harrow in about 1835.
Farmers liked this style of harrow in fields free of obstructions.
The spring steel teeth of this harrow effectively rip apart the soil.
Late in the 1800s, farm machinery companies marketed harrows comprised of rolling disks.
Today, planters that prevent erosion use discs like a disc harrow to help break the soil before planting the seeds.
“The best crops are raised with least labor…by breaking it up just before planting; and having rolled or bushed it, drag it with a harrow till it is mellow.”
Benjamin Sommers, Erie County Ohio farmer, December 10, 1850
American inventors sought to create machines that performed work efficiently. Farmers wanted the most affordable and effective implement possible. The earliest wooden and iron harrows used a triangular design. This style arose out of necessity, as the first European-American settlers had difficulty removing stumps from their newly-established fields. Triangular harrows did not catch on the stumps, but rebounded away without damaging the tool or hurting the draft animals. A later development by George Geddes allowed the legs of the harrow to expand or contract so that the harrow best fit the distance between rows of planted crops such as corn or tobacco. Farmers adjusted the legs in or out so that a team of draft animals could pull this harrow between rows to remove weeds.
As farm families cleared the stumps from the fields on the established farms or settled treeless regions like the prairies, harrows returned to traditional European styles or took on new designs. Rectangular frame harrows made of wood, iron and, later, steel -- called “Scotch” or “spike tooth” harrows -- proved popular. This type of harrow and variations on it remained in common use into the 1900s. It is likely young Henry Ford walked behind a harrow similar to a Scotch harrow as he helped cultivate his father’s fields.
Changes in materials also contributed to new types of harrows. By the 1880s, machinery companies manufactured “spring tooth” harrows. These implements retained the rectangular frame of their predecessors, but used gracefully curved “spring steel” teeth that ripped the soil and broke apart the clods. The spring steel teeth proved more durable than metal spikes as the material was less brittle than iron and conventional steel. By the early 1900s, this type of harrow could be found in the machine sheds and fields of many American farmers.
Contemporary with the spring tooth harrow, the disk harrow offered another design innovation. Rolling steel discs cut and pulverized clods of dirt. These harrows worked well in soil free of stones, as they severed the roots of any existing plant as the farmer prepared the field for planting. Disc harrows often featured another convenience for the farmer: a seat! Farmers increasingly farmed sitting down, eliminating some of the drudgery Henry Ford so disliked.
Farmers continue to use harrows, though not as much as in the past. Harrows expose top soil to wind and water erosion. Many mechanical planters used today incorporate rolling discs of the disc harrow to help break up the soil and open a small hole in the soil immediately before planting the seeds. Rolling disks then cover the seeds. These conservation tillage planters are now standard on the majority of farms in the United States . The John Deere Company’s No-Till planter, manufactured in 1979, uses this system.
Henry Ford believed people can be inspired by ordinary objects. These harrows inform us where we have been but, like Henry Ford, we hope they inspire you to change people’s lives. Whether it be Thomas Edison’s electric light bulb, the Rosa Parks Bus, or a harrow from the 1850s, we can draw ideas from ordinary things and be inspired to create a better world.
Curator of Agriculture & Rural Life
Ford ? Disc Harrow parts
I know a lot of disc/harrow parts are interchangeable, but I'm hoping some of you can let me know where you get parts from. I don't have a ford dealer in town anymore. I need to replace a few of the slotted discs, and while I can find many online, none seem to have the rather large 3'' center hole. I also know not all discs are the same, so do any of the aftermarket brands or vendors on here make a better quality blade than another? I get worried when I see 14'' and 16" discs for $8.99, fearing the quality of the metal is just poor.
I have not used the disc enough to know if all the bearings are good, and several of the discs are loose, so hopefully I can get them tightened up once I get the new disc's installed.
Thanks for any and all help!
Harrows ford disc
.FORD 5600 AND RANSOMES DISC HARROWS
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