Economy (Steel Cord) RUBBER TRACK ASV / TEREX / CATERPILLAR / RC50 / RC60 / RT65 / PT50 / PT60 / 247 / 257 / 247B / 257B / 257B2 / 257B3 / 247B2 / 247B3 / R190T / RT60 / R160T / VT70 / V235T (TREAD PATTERN D)