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Dozer Park
Dozer Park.png
Former names O'Brien Field (2002–2008)
Chiefs Stadium (2009–2013)
Location 730 Southwest Jefferson Street
Peoria, IL 61605
Coordinates 40°41′15″N 89°35′51″W / 40.68750°N 89.59750°W / 40.68750; -89.59750
Owner Peoria Chiefs Community Baseball LLC
Operator Peoria Chiefs Community Baseball LLC
Capacity 8,500
Field size Left Field: 310 ft (94.49 m)
Left Center: 375 ft (114.3 m)
Center Field: 400 ft (121.92 m)
Right Center: 375 ft (114.3 m)
Right Field: 310 ft (94.49 m)
Surface Sod (1–1¼ inches)
Broke ground August 16, 2001 (2001-08-16)
Opened May 24, 2002 (2002-05-24)
Construction cost $23 million
($34.7 million in 2021 dollars )
Architect HNTB
Services engineer Clark Engineers MW Inc.
General contractor River City Construction LLC
Main contractors Prairie Construction Systems Inc.
Peoria Chiefs (MWL) (2002–present)
Bradley Braves (NCAA) (2002–present)

Dozer Park, originally O'Brien Field and formerly Chiefs Stadium, is a baseball field located in downtown Peoria, Illinois. It is the home of the Peoria Chiefs, the Class A-Advanced affiliate of the St. Louis Cardinals; the Chiefs previously played at Meinen Field. The college baseball team of Bradley University also uses the field. It opened on May 24, 2002.


Official groundbreaking ceremonies for the $23 million multi-purpose stadium took place on August 16, 2001. The stadium opened on May 24, 2002 as O'Brien Field, with a game between the Chiefs and the Kane County Cougars.

O'Brien Auto Team held the original naming rights to the facility.

In 2011, the stadium hosted to the IHSA Class 1A and 2A baseball state finals. This was the first year the games were played at the facility.

In April 2013, the Chiefs, including the stadium, received $7.35 million in financing and debt forgiveness. The plan included forgiveness of $1.2 million in debt to the City of Peoria; including $2 million in funding from Caterpillar Inc. for naming rights over 10 years; and $2.7 million in new investment of cash and equity by the Chiefs' ownership group of about 50.

On May 10, 2013, Caterpillar and the Chiefs announced that the stadium would be renamed "Dozer Park", a reference to Caterpillar bulldozers.

The field

Dozer Park's sod has an 8-inch (200 mm) deep root zone of 90% sand and 10% Dakota peat for nutrition. The high concentration of sand naturally relieves soil compaction.

Beneath the sand and peat mix are 6 inches (150 mm) of gravel. Running through the gravel are drainage tiles that run from home plate to center field. A huge sump pump beyond center field then drains into the city sewer system.

The makeup of the pitcher's mound and batter's boxes are almost 100% clay because it packs better and is wear resistant. The rest of the infield skin area is around 40% clay, 30% silt and 20% sand.

The field will hold up to 5 inches (130 mm) of rain an hour.

The field is mowed every day during homestands, trimmed to 1–1 14 inches (25–32 mm) high. It takes 1.25 hours to cut the outfield grass 2 directions with a 100-inch (2.5 m) cut mower. A walk-behind mower is used for the infield.

The price tag for the field itself was around $450,000.

Luxury suites

Dozer Park accommodates 20 luxury suites. Examples include:

  • Peoria attorney Jay Janssen's suite — "A large, ornate Oriental rug covers most of the green-carpeted suite, which includes six candelabra wall sconces, a chandelier in the center, cherry wood cabinetry and chair rail, decorative border print, a green marble-topped table, a rose-colored granite pedestal bar overlooking the field and burgundy leather stools and chairs. In the kitchenette, a full-sized refrigerator is accompanied by a full-size oven and a sink with a chrome-plated faucet."
  • Caterpillar, Inc. owns a double suite that is primarily used to entertain the customers and VIP guests the company hosts in the community.


Other than the five fixed concession stands, there are mobile carts around the park. The Chiefs' concessionaire is Professional Sports Catering.

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