Description Description Diesel Models: 430, 431, 440, 441, 470, 500, 530, 530C, 531, 531C, 540, 540C, 541, 541C, 570, 600, 630, 630C, 631, 631C, 632, 632C, 640, 640C, 641, 641C, 730, 830, 900B, 930 and 1030 Gas Models: 430, 431, 440, 441, 470, 530, 530C, 531, 531C, 540, 540C, 5