No, they are competitors.
No, Caterpillar and John Deere are not owned by the same company. They are two separate, publicly traded corporations that compete in the heavy machinery and agricultural equipment markets. Caterpillar focuses primarily on construction and mining equipment, while John Deere specializes in agricultural machinery and equipment. Both companies have their own distinct brands and product lines.
yes
The Caterpillar's first meal is its own eggshell.
No John Deere does not 'own' On-Star.
No GM does not own any part of Toyota.
yes
A caterpillar is a consumer, consumers cannot make their own food, so they consume plants or other organisms for food
Dodge is owned by Chrysler and by Chrysler only. Ford does not own any part of Dodge.
John Deere makes their own lawn tractors(mowers) in Horicon, Wisconsin, USA.
Samoa is not part of any other country. It is its own independent country.
there is a website called catused.cat.com that sells used and new caterpillar forlifts. there prices are very well and can provide the caterpillar forklift you need to start up your own construction project.
I own a John Deere 1458 mower and it takes an NGK plug #BPR5ES.