The closest answer I could find was for a regular 1010 crawler without the dozer blade, which weighs 6900 lbs [or 3129 kg].
Depending on optional equipment, a JOHN DEERe 420 crawler from the factory weighed between 4140 and 4700 pounds.
Roughly 12k pounds.
John Deere World Headquarters was created in 1964.
Italthai Industrial Group was created in 1964.
2.5 grams
The cast of Charlie Weaver and the John Deere Show - 1964 includes: Cliff Arquette as Charlie Weaver
800 US quarter dollars minted in 1964 or before weigh about 11 pounds. 800 US quarter dollars minted after 1964 weigh about 10 pounds.
All silver half dollars, including the 1964 Kennedy, weigh 12.5 grams.
My longbed 1964 C-10 weighs approximately 3,700# empty.
All silver quarters from 1873 to 1964 weigh the same at 6.25 grams.
The weight of the coin as issued is 2.5 grams.
In unworn condition, 6.25 gm. Current copper-nickel quarters weigh 5.67 gm.
US quarters dated 1964 and before weigh 6 25 grams. and are 90% silver 10% copper.
The John Deere was a model of a farm tractor made from 1964 to 1972. In total, approximately 184,879 were built. This was the most popular tractor of its time.