The compatible equipment models for this product are as follows: VIBRATORY COMPACTOR CP-44, CP-533E, CP-56, CP-64, CP-76, CS-423E, CS-44, CS-533E, CS-54, CS-56, CS-64, CS-74 from Caterpillar. This product is specifically designed for the left rear side. It can be applied to CP-44, CP-533E, CP-56, CP-64, CP-76, CS-423E, CS-44, CS-533E, CS-54, CS-56, CS-64, and CS-74 models.