Engines & Generators Listings Caterpillar 3512 MUI Engine SR4 Generator Set with Radiator – New Surplus By admin 9 years ago Three (3) New Caterpillar 3512 MUI Engine SR4 Generator Set (SCR LAND 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 Drill Line Wire Rope Spooler for Land or OffshoreNext Choctaw Rotary Swivel 300 Ton – New Surplus