Wine grape field work

17sep18guasti

“March 1939. Two ‘Caterpillar’ Diesel D2 Tractors disking in 5000-acre vineyard at Guasti, California. Working 9 hours a day, each D2 uses 1-1/4 gallons of fuel per hour.”

Excerpt and image from Cal Poly Pomona Caterpillar Tractor Collection http://www.cpp.edu/~library/specialcollections/caterpillar/catindex.html

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google+ photo

You are commenting using your Google+ account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

w

Connecting to %s