7,500 pounds, 3 blown automotive engines (Regional) and 4 blown engines (Grand National) with 871 blowers, 2 blown automotive engines with 1471 blowers, 1 or 2 Allison aircraft engines (based on blower type), 1 industrial or marine engine 12 cylinder limit, a combination of NTPA recognized turbine engines not to exceed a maximum of 5050 total horsepower and other combinations. Here are Modified Tractors on Night 2 at the Ocala Winter Nationals in Ocala, Florida at the Southeastern Livestock Pavilion. Follow the NTPA on the web: www.ntpapull.com and Mid Florida Pullers at www.midfltractorpullers.com

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