Stewart & Stevenson

TMSS-120 Air Start Unit

The Stewart & Stevenson TMSS-120 Air Start Unit creates continuous air flow allowing the operator to start all engines before departure. The Diesel engine will operate from 8 to 10 thousand hours between major overhauls and the compressor has an MTB of up to 25,000 to 30,000 operating hours.

If you have any additional questions about this or any other aircraft ground support equipment we carry, please call us. We'd love to help you make a well-informed decision about your next purchase.


Available: Call us for info


  • Transmission: Automatic
  • Air Flow: 120 ppm
  • General Motors 8.2L Diesel Engine