6V5002, 6V-5002, 2U5284, 3U1086, 5D1655, 8T4478, 9M1328, 2956536, 0067551, 1B4102, 6V2734, 0980777, 5E3793, 4M2996. Fits Caterpillar Articulated Trucks: 725, 725C, 730, 730C, 735, 735B, 740, 740B. Fits Caterpillar Wheel Skidders: 525, 525B, 525C, 525D, 535B, 535C, 535D, 545, 545C, 545D, 555D.