Caterpillar (CAT)-style premium aftermarket motor-grader blade. Part reference 4T2236. Application/reference: Grader Blade (17H 3/4). Motor-grader cutting blade for road maintenance, leveling and finish grading. Mounting: 3/4-in plow bolt; confirm length and hole pattern before installation. Brand reference: Caterpillar. PETRAX premium aftermarket replacement; OEM names and part numbers are used for identification only. This item fits only the specified system and matching mounting dimensions.