Early Wednesday morning, five trucks were engulfed in fire a Tri-State Diesel, on 1 Depot Hill Road, in Enfield.
By the time the large flames were out, three dump trucks, a rendering truck, 1 a rolloff truck and a tractor were destroyed, officials said.
Police said the fire was at a repair shop.
The address is shared by Tristate Kentworth, the largest Kenworth Dealership in the eastern United States, according to its web site.
The cause is not clear. The fire marshal is investigating.
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