STEWART & STEVENSON TMAC-250
Aircraft Air Start Units (ASU)Brand :
Stewart & StevensonParameters :
- Capacity
- 250 ppm
- Engine
- Diesel
- Year
- 1996
- Length
- 5,185 mm
Specifications
- Capacity
- 250 ppm
- Year
- 1996
- Engine
- Diesel
- Length
- 5,185 mm
- Width
- 2,184 mm
- Height
- 2,230 mm
- Weight
- 5,740 kg
Description
Stewart & Stevenson TMAC-250 Air Start Unit – High-Performance Engine Start Support
The Stewart & Stevenson TMAC-250 is a trailer-mounted, double-hose Air Start Unit (ASU) engineered to deliver 250 pounds per minute (PPM) of airflow at 42 PSIG, ensuring efficient and reliable jet engine starts for various aircraft.
Key Specifications:
-
Airflow Capacity: 250 PPM @ 42 PSIG
-
Engine: Detroit Diesel 8V92
-
Compressor: Atlas Copco ZA4
-
Hose Configuration: Dual air outlets with manual shut-off valves; includes 50-foot hoses with couplings
Features: Manually activated parking brake, enclosed trailer design, and refurbished to high operational standards.
Designed for durability and performance, the TMAC-250 is an ideal solution for ground support operations requiring dependable air start capabilities.
For more information, please contact Aviaco Sales team.
Available Units
1 unit
| Photo | Ref. Number | Year | Hours | Type | Purpose | Stock | Actions |
|---|---|---|---|---|---|---|---|
![]() | AV12962 | 1996 | — | Refurbished | Sale / Rent | In Stock | |
| |||||||

- Reference
- AV12962
- Year
- 1996
- Condition
- Refurbished
- Sale / rent
- Sale / Rent
- Stock
- In Stock
Model FAQ
1 unit is listed, built 1996. Each row in the table has its own reference number, year and hours.
Both: 1 of the 1 units are for sale and 1 can be rented.
1 refurbished. The condition of each unit is in its row.
Yes. Add the rows you want from the units table to your request cart. To ask for any unit instead, "Or request any unit of this model" under the summary puts the model itself in your request, and you set how many you need.
Request a quote for STEWART & STEVENSON TMAC-250
Say how many you need and where. You get a first reply within one business day.




