OTC Tools For International trucks. Uses microprocessor technology to quickly and accurately time diesel engines. The pump pulse is picked up by a transducer that clamps to the fuel line and sense the fuel surge. Crankshaft location is picked up with a magnetic probe or timing light. Applications: 6.9 Liter, 7.3 Liter, 9.0 Liter, DT / DTA 360 / 466, DT 466 / 530 (PLN) Email for product availability.