The ITL transmission is fitted to the Thwaites 5 Tonne straight and swivel, Thwaites 6 Tonne straight and swivel, Thwaites 7 Tonne straight and swivel and Thwaites 9 Tonne site dumpers. The ITL transmission in the Thwaites dumper are fitted with an electronic over hydraulically operated clutch pack for forward/reverse operations and 4 synchromesh gears with dump-switch. These torque convertor ITL transmissions are fitted to all current Thwaites production dumpers and are a robust unit which stand up well to the rigors and abuse on construction sites. All Thwaites ITL transmission parts are available from stock for next day delivery or PES are able to offer complete service exchange Thwaites ITL transmission from stock or can quote to repair your existing Thwaites ITL transmission in your Thwaites 5 Tonne straight and swivel, Thwaites 6 Tonne straight and swivel, Thwaites 7 Tonne straight and swivel and Thwaites 9 Tonne. All Thwaites ITL transmissions are tested on our in-house test rig for 30 minutes before despatch ensuring ITL solenoids are engaging ITL clutch packs with the correct pressure.