Two of the tires are brand new, the other two have about half life left on them. The size for these are 37x13.50Rx22LT Load Range F. These tires are $1200 new, willing to trade for a Truck or a Van. The bolt pattern is 8x165.1 These will fit the following trucks:GMC: Sierra 2500 hd, Sierra 3500 HD Savannah 2500 Savana 3500 Yukon XL 2500 suburban 2500Nissan: NV 3500 NV 1500 NV 2500Hummer: H1 H2Chevrolet: Express 2500 Silverado 3500 HD avalanche 2500 Silverado 1500 hd Silverado 1500 HD classic Silverado 2500 Silverado 2500 hd Silverado 2500 HD classic Silverado 3500 Silverado 3500 classic c20c2500 c 2500 suburban c30 c3500 g30 K20 k 2500 k2500 suburban k3500 v2500 suburban Express 3500 Express cargo Express pasajerosFord: F-250 F-350 e-150 Econoline e250 Econoline E350e-150 Econoline e250 Econoline E350 EconolineRam: Ram 2500 Ram 3500Holden: suburbanDongfeng: MingshiMercedes-Benz: g class