3512 MUI (1) By admin 9 years ago New Caterpillar 3512 MUI Engine SR4 Generator Set (SCR DRILLING RIG) 1200 RPM, 1428 kVA, 1000 KW, .07 COS, 60Hz, Prime, 3PH, 600V. Oversized Generator. CAT Radiator. Mounted to Rectangle tubing. (New Surplus 2007) Continue Reading Previous Caterpillar 3512 MUI Engine SR4 Generator Set with Radiator – New Surplus