PT6A TBO & HSI Service Intervals
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Parts
ATS maintains an extensive inventory of PT6A & PW100 engine parts and accessories.
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| PT6A MODEL | HSI (hr) | TBO (hr) |
| PT6A-6 | 1800 | 3600 |
| PT6A-11 | 1800 | 3600 |
| PT6A-11AG | 1500 | 3000 |
| PT6A-15AG | 1500 | 3000 |
| PT6A-20 | 1800 | 3600 |
| PT6A-20A | 1800 | 3600 |
| PT6A-21 | 1800 | 3600 |
| PT6A-25 | 1500 | 3000 |
| PT6A-25A | 1500 | 3000 |
| PT6A-25C | 1500 | 3000 |
| PT6A-27 | 1800 | 3600 |
| PT6A-28 | 1800 | 3600 |
| PT6A-34 | 2000 | 4000 |
| PT6A-34AG | 1750 | 4000 |
| PT6A-34B | 1800 | 3600 |
| PT6A-35 | 1800 | 3600 |
| PT6A-36 | 2000 | 4000 |
| PT6A-38 | 1000 | 2000 |
| PT6A-110 | 1800 | 3600 |
| PT6A-112 | 1800 | 3600 |
| PT6A-114 | 1800 | 3600 |
| PT6A-114A | 1800 | 3600 |
| PT6A-121 | 1800 | 3600 |
| PT6A-135 | 1800 | 3600 |
| PT6A-135A | 1800 | 3600 |
| PT6A-140 | 1800 | 3600 |
| PT6A-140AG | 1800 | 3600 |
| PT6A-41 | 1250 | 2500 |
| PT6A-41* | 1500 | 3000 |
| PT6A-41** | 1800 | 3600 |
| PT6A-42 | 1500 | 3000 |
| PT6A-42*** | 1800 | 3600 |
| PT6A-42A | 1800 | 3600 |
| PT6A MODEL | HSI (hr) | TBO (hr) |
| PT6A-45A | 1500 | 4500 |
| PT6A-45B | 1500 | 4500 |
| PT6A-45R | 1500 | 4500 |
| PT6A-50 | 1500 | 5500 |
| PT6A-52 | 1800 | 3600 |
| PT6A-60A | 1800 | 3600 |
| PT6A-60AG | 1500 | 3000 |
| PT6A-61 | 1800 | 3600 |
| PT6A-62 | 1500 | 3000 |
| PT6A-64 | 1500 | 3000 |
| PT6A-65AG | 1500 | 3000 |
| PT6A-65AR | 2000 | 6000 |
| PT6A-65B | 2000 | 6000 |
| PT6A-65R | 2000 | 6000 |
| PT6A-66 | 1500 | 3000 |
| PT6A-66A | 1500 | 3000 |
| PT6A-66B | 1800 | 3600 |
| PT6A-66D | 1500 | 3000 |
| PT6A-67 | 1500 | 3000 |
| PT6A-67A | 1500 | 3000 |
| PT6A-67AF | 1500 | 3000 |
| PT6A-67AG | 1500 | 3000 |
| PT6A-67B | 1750 | 3500 |
| PT6A-67D | 2000 | 6000 |
| PT6A-67F | 1500 | 3000 |
| PT6A-67P | 1750 | 3500 |
| PT6A-67R | 2000 | 6000 |
| PT6A-67T | 1500 | 3000 |
| PT6A-68 | 2250 | 4500 |
| PT6A-68B | 2250 | 4500 |
| PT6A-68C | 2250 | 4500 |
| PT6A-68D | 2250 | 4500 |
* POST-SB3075, POST-SB3089, POST-SB3097, POST-SB3360
** POST-SB3089, POST-SB3097, POST-SB3360
*** POST-SB3360
This information is for informational purposes only and ATS makes no representations about the accuracy or completeness of these guidelines.
You are encouraged to consult the appropriate Service Bulletins and Engine Maintenance Manuals for detailed recommendations and approvals.
