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Special Collections Home > Collections > Caterpillar Tractor Collection

Cal Poly Pomona's Caterpillar Tractor Collection

Welcome! to Cal Poly Pomona's collection of antique Caterpillar Tractor photographs. The collection was donated by Mr. Paul Hofer in June of 2001.

Tractors on field

Spring of 1940

"Fertilizing a Cucamonga vineyard in the early spring of 1940. Cucamonga Peak provides a majestic backdrop. Courtesy of Paul B. Hofer and Sons." - James Hofer

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Tractor in field

May 17, 1954

Caterpillar Diesel D2 Tractor pulls a Dyer spring tooth cultivator in 240 acre vineyard at Cucamonga, California.

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Tractors on field

Description not available.

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Tractors on field

Description not available.

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Tractor between shrubs

June 16, 1953

Caterpillar Diesel D2 Tractor pulls John Deere-Killefer furrower in grapefruit grove 7 miles north-east of Redlands, California.

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Tractor between shrubs

June 3, 1954

Caterpillar Diesel D2 Tractor pulls 6'9" Dyrr offset disk working in orange grove in Corona, California.

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Tractor on field

Description not available.

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Tractor between shrubs

March, 1952

Caterpillar Diesel D2 Tractor pulls 9' offset disk disking cover crop in valencia orange grove near East Highlands, California.

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Tractor on field

July 7, 1954

Caterpillar Diesel D315 Engine drives a Pacific centrifugal pump pumping water for sprinkler type system of irrigating bean field.

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Tractor tilling field

April 15, 1938

"Caterpillar" Diesel D2 Tractor pulling 9' offset cover crop disk covering 22 acres per 9 hour day on 1.25 gals. 5.75¢ fuel per hour. Saving $2.00 per day over former power.

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Tractors on field

April 30, 1946

"Caterpillar" Diesel D2 tractor with Towner 6'9" disk, disking in orange grove. The No. 12 Motor Grade (Owned by the City of Ontation, California) is grading ditches along highwawy.

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Tractor between shrubs

March 1, 1956

Caterpillar D2 Tractor pulls a Domries disk furrow. Wokring in grapefruit orchard, south of Thermal, California. Total of 90 acres in orchard, all under irrigation.

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D8800 Diesel Engine

July 7, 1954

Caterpillar Diesel D8800 Engine drives a peerless deepwell pump pumping water for irrigating vineyard. Sprinkler type system used.

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Tractors on field

Description not available.

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Tractor on field

April 15, 1938

"Caterpillar" Diesel D2 Tractor pulling 9' offset cover crop disk covering 22 acres per 9 hour day on 1.25 gals. 5.75¢ fuel per hour. Saving $2.00 per day over former power.

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Tractor between shrubs

April 13, 1954

Caterpillar Diesel D2 Tractor pulls 7'6" Bernice offset disk disking cover crop in orange grove. Total of 150 acres in oranges.

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Crates and crops

Description not available.

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Tractor on field

April 1929

Garett & Co., producers of wines and wine tonics - owners of 2 Tens. Pulling 9 point John Deer orchard cultivator in high gear in loose sandy soil.

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Tractors on field

Description not available.

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Tractor between shrubs

Description not available.

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Tractors on field

April 15, 1938

Two "Caterpillar" Diesel RD4 Tractors each pulling 5-12" vineyard plow, plowing in 900 acre vineyard near Cucamonga, California. Working 10 hours day each tractor consumes 2 gals. 5-1/2¢ fuel per hour. Both tractors cover total 35 acres a day.

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Tractor on field

May 17, 1954

Caterpillar Diesel D2 Tractor pulls a Towner cultivator working in a vineyard south of Etiwanda, California. Total of 110 acres.

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Tractor on field

April 1929

Garett & Co., producers of wines and wine tonics - owners of 2 Tens. Pulling 9 point John Deere orchard cultivator in high gear in loose sandy soil.

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Tractor on field

July 7, 1954

Caterpillar Diesel D6 Tractor pulls disk plow preparing seedbed on 1600 acre farm northwest of Ontario, California. Pulling in 4th gear, covering approximately 2.5 acres per hour.

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Tractor on field

June 3, 1954

Caterpillar Diesel D2 Tractor pulls 6' Towner offset disk cultivating in young orchard in Corona, California.

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Tractor between shrubs

June 28, 1954

Caterpillar Diesel D2 Tractor pulls 6'9" Dyrr offset disk in navel orange orchard.

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Tractor on field

July 7, 1954

Caterpillar Diesel D315 Engine drives a Gardner-Denver centrifugal booster pump pumping water for sprinkler type system of irrigating alfalfa field.

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Tractor  between shrubs

June 16, 1953

Caterpillar Diesel D2 Tractor pulls John Deere-Killefer furrower in grapefruit grove 7 miles northeast of Redlands, California.

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Tractor on field

July 7, 1954

Caterpillar Diesel D315 Engine drives a Pacific centrifugal pump pumping water for sprinkler type system of irrigation bean field.

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Tractor on field

Description not available.

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Tractor on field

July 7, 1954

Caterpillar Diesel D6 Tractor pulls disk plow preparing seedbed on 1600 acre farm northwest of Ontario, California. Pulling in 4th gear, covering approximately 2.5 acres per hour.

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Tractors on field

April 15, 1938

Two "Caterpillar" Diesel RD4 Tractors each pulling 5-12" vineyard plow, plowing in 900 acre vineyard near Cucamonga, California. Working 10 hours day each tractor consumes 2 gals 5-1/2¢ fuel per hour. Both tractors cover total 35 acres per day.

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Tractor on field

Description not available.

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Tractor on field

June 9, 1953

Caterpillar Diesel D4 Tractor pulls John Deere-Killefer offset disk disking under corn refuge. Working one mile south of Indio, California. This ranch consists of 40 acres in row crops and 100 acres in citrus.

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Tractor on field

July 24, 1953

Caterpillar Diesel D2 Tractor pulls John Deere scraper leveling ground in vineyard west of Coachella, California. Pulling in second gear covering approximately 10 acres in nine hours.

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Tractor on field

April 30, 1946

"Caterpillar" Diesel D2 Tractor with 6' goble disk, disking one of the vineyards in California.

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Tractor on field

May 17, 1954

Caterpillar Diesel D2 Tractor pulls a Dyer spring tooth cultivator in 240 acre vineyard at Cucamonga, California.

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Tractor between shrubs

June 3, 1954

Caterpillar Diesel D4 Tractor pulls a 9' Towner offset disk in orchard in Corona, California.

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Centrifugal booster pump

July 7, 1954

Caterpillar Diesel D315 Engine drives a Gardner-Denver centrifugal booster pump pumping water for sprinkler type system of irrigation alfalfa field.

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Tractor on field

June 3, 1954

Caterpillar Diesel D2 Tractor pulls 6' Towner offset disk cultivating in young orchard in Corona, California.

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Sprinklers in field

July 7, 1954

Irrigated vineyard near Ontario. California. A Caterpillar Diesel D8800 Engine drives a Peerless pump pumping water for sprinkler system.

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Tractor with workers

November 25, 1953

Caterpillar Diesel D2 Tractor pulls a custom made rose digger digging from 25,000 to 30,000 per eight hour day.

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Tractor between shrubs

April 1939

"Caterpillar" Diesel D2 Tractor with 6' offset disk covering 20 acres per day on 1 to 1.25 gals. 5.25¢fuel per hour, 8 hours a day. They used a Twenty-Eight about 12,000 hrs. Have been "Caterpillar" owners since 1925.

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Tractors on field

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.

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Tractor on field

July 24, 1953

Caterpillar Diesel D2 Tractor pulls John Deere scraper leveling ground in vineyard west of Coachella, California. Pulling in second gear covering approximately 10 acres in nine hours.

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Tractor on field

July 24, 1953

Caterpillar Diesel D2 Tractor pulls John Deere scraper leveling ground in vineyard west of Coachella, California. Pulling in second gear covering approximately 10 acres in nine hours.

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Workers

June 9, 1953

Left to right: Mr. W. W. Kelly, owner and Mr. Grady Scott, super intendent for 140 acre ranch one mile south of Indio, California. A Caterpillar Diesel D4 Tracto is used for general operations. Testimonial concerns durability, economy and ealer service.

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Tractor on field

June 9, 1953

Caterpillar Diesel D4 Tractor pulls John Deere-Killefer offset disk disking under corn refuge. Working one mile south of Indio, California. This ranch consists of 40 acres in row crops and 100 acres in citrus.

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Tractor on field

October 14, 1941

"Caterpillar" Diesel D2 Tractor hauling grapes from sidehill vineyard to highway where they are loaded onto trucks and hauled to winery. 120 boxes per trip. Has two D2 Tractors.

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Tractor on field

November 25, 1953

Caterpillar Diesel D4 Tractor pulls a Towner 9'9" offset disk preparing seedbed for oats.

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Tractor between shrubs

March 1952

Caterpillar Diesel D2 Tractor pulls 9' offset disk disking cover crop in Valencis orange grove near East Highlands, California.

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H. R. Waggner

July 24, 1953

Mr. H. R. Waggner, superintendent of the Sunny Acres Ranch west of Coachella, California. A Caterpillar D2 Tractor and Tool Bar is used for work in vineyard and citrus grove. Testimonial concerns purchase of equipment, performance and dealer service.

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Tractor between shrubs

Description not available.

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