EP Flex & Tier 3 Power Units For Oilfield, Pulling Rigs, Spuder, Workover, Power Swivels, Cement Unit, Mud Pumps, Frac Truck Pumper. Four, Five, Seven, & Thirteen-Speed Manual Shift Transmissions. Gen Sets 25-400 KW. Power Units 40-600 HP. Inventory Available For Immediate Delivery.