Engines
Thailand Signs Up for Rolls T56 Engine Upgrade
Upgrading the engines of the Royal Thai Air Force's Hercules will help them serve until at least 2040.

Thailand has become the first international customer for the Rolls-Royce T56 Series 3.5 upgrade, which will be applied to the Royal Thai Air Force’s C-130H Hercules fleet. The first phase of the program encompasses 20 engines from the overall RTAF fleet of 58, to be upgraded over the next three years.