M250 Engine Modules
The modular architecture of the Rolls-Royce 250 and T63 series of engines facilitates ease of maintenance and repair. Established in 1948, Air Services Int’l., LLC (ASI) provides full MRO services for M250 modules. ASI also maintains a large pool of exchange and rental engine modules.
M250 Rolls-Royce (Allison) Engine
M250 Compressor Modules
| Engine Series | Part No. | Nomenclature | Application |
|---|---|---|---|
| Series II | 6853337 | Compressor Assy | 250-C20 |
| Series II | 6890550 | Compressor Assy | 250-C20, 250-C20B, 250-C20F, 250-C20J |
| Series II | 6890560 | Compressor Assy | 250-B17, 250-B17B, 250-B17C, 250-B17D, 250-B17E, 250-C20S, 250-C20W |
| Series II | 6890570 | Compressor Assy | 250-C20C (T63-A-720) |
| Series II | 23032915 | Compressor Assy | 250-C20R/1 |
| Series II | 23035228 | Compressor Assy | 250-C20R/1 |
| Series II | 23038126 | Compressor Assy | 250-C20R/1 (RS), 250-C20R/2, 250-C20R/4, 250-C20R |
| Series II | 23050833 | Compressor Assy | 250-C20R/1 (RS), 250-C20R/2, 250-C20R/4, 250-C20R, 250-C20R/2(SP), 250-C20R(ST) |
| Series II | 23073252 | Compressor Assy | 250-C20R/1 (RS), 250-C20R/2, 250-C20R/4, 250-C20R, 250-C20R/2(SP), 250-C20R(ST) |
| Series IV | 23005250 | Compressor Assy | 250-C30, 250-C30P, 250-C30M, 250-C30S |
| Series IV | 23033193 | Compressor Assy | 250-C30, 250-C30P, 250-C30M, 250-C30S |
| Series IV | 23051609 | Compressor Assy | 250-C30G |
| Series IV | 23051643 | Compressor Assy | 250-C30, 250-C30P, 250-C30M, 250-C30S, 250-C30L, 250-C30R |
| Series IV | 23052270 | Compressor Assy | 250-C30, 250-C30P, 250-C30M, 250-C30S |
| Series IV | 23053310 | Compressor Assy | 250-C30G |
| Series IV | 23056635 | Compressor Assy | 250-C30G, 250-C30G/2 |
| Series IV | 23063379 | Compressor Assy | 250-C40B, 250-C47B, 250-C47M |
| Series IV | 23065557 | Compressor Assy | 250-C30 |
| Series IV | 23065593 | Compressor Assy | 250-C40B, 250-C47B, 250-C47M, 250-C30R/3 (T703-AD-700C) |
| Series IV | M250-10559 | Compressor Assy | 250-C47B, 250-C47M |
M250 Combustor Modules
| Engine Series | Part No. | Nomenclature | Application |
|---|---|---|---|
| Series II | 6870992 | Case Assy, Outer Combustion | 250-C20, 250-C20B, 250-C20C (T63-A-720), 250-C20F, 250-C20J, 250-C20S, 250-C20W |
| Series II | 23030889 | Case Assy, Outer Combustion | 250-C20, 250-C20B, 250-C20C (T63-A-720), 250-C20F, 250-C20J |
| Series II | 23031260 | Case Assy, Outer Combustion | 250-C20, 250-C20B, 250-C20C (T63-A-720), 250-C20F, 250-C20J, 250-C20S, 250-C20W |
| Series II | 23034114 | Case Assy, Outer Combustion | 250-C20R, 250-B17F |
| Series IV | 6898906 | Case Assy, Outer Combustion | 250-C30, 250-C30S |
| Series IV | 6899237 | Case Assy, Outer Combustion | 250-C30, 250-C30P, 250-C30M, 250-C30S |
| Series IV | 23009569 | Case Assy, Outer Combustion | 250-C30, 250-C30P, 250-C30M, 250-C30S |
| Series IV | 23030910 | Case Assy, Outer Combustion | 250-C30, 250-C30P, 250-C30M, 250-C30S |
| Series IV | 23030911 | Case Assy, Outer Combustion | 250-C30, 250-C30P, 250-C30M, 250-C30S, 250-C40, 250-C47B, 250-C47B/8, 250-C47M |
| Series IV | M250-10369 | Wire Patch, Reinforcing-Outer Combust Case | 250-C30, 250-C30P, 250-C30M, 250-C30S, 250-C40, 250-C47B, 250-C47B/8, 250-C47M |
| Series IV | M250-10370 | Wire Patch, Reinforcing-Outer Combust Case | 250-C30, 250-C30P, 250-C30M, 250-C30S, 250-C40, 250-C47B, 250-C47B/8, 250-C47M |
| Series IV | M250-10404 | Wire Patch, Reinforcing-Outer Combust Case | 250-C30, 250-C30P, 250-C30M, 250-C30S, 250-C40, 250-C47B, 250-C47B/8, 250-C47M |
M250 Turbine Modules
| Engine Series | Part No. | Nomenclature | Application |
|---|---|---|---|
| Series II | 6853329 | Turbine Assy | 250-C20 |
| Series II | 6886443 | Turbine Assy | 250-C20B |
| Series II | 6887195 | Turbine Assy | 250-C20 |
| Series II | 6898734 | Turbine Assy | 250-C20 |
| Series II | 6898735 | Turbine Assy | 250-C20, 250-C20B, 250-C20F, 250-C20J |
| Series II | 6899229 | Turbine Assy | 250-C20F |
| Series II | 23009600 | Turbine Assy | 250-C20S |
| Series II | 23009713 | Turbine Assy | 250-C20S, 250-C20W |
| Series II | 23032330 | Turbine Assy | 250-C20R/1, 250-C20R/1(RS), 250-C20R/4, 250-C20R |
| Series II | 23035211 | Turbine Assy | 250-C20R/2 |
| Series II | 23038160 | Turbine Assy | 250-C20R/1(RS), 250-C20R/2, 250-C20R/4, 250-C20R, 250-C20R/2(SP), 250-C20R(ST) |
| Series II | 23038241 | Turbine Assy | 250-C20, 250-C20B, 250-C20F, 250-C20J |
| Series II | 23038244 | Turbine Assy | 250-C20C (T63-A-720) |
| Series II | 23053298 | Turbine Assy | 250-C20R/2250-C20R/4250-C20R/2(SP) |
| Series II | 23069707 | Turbine Assy | 250-C20W |
| Series II | 23069745 | Turbine Assy | 250-C20, 250-C20B, 250-C20F, 250-C20J |
| Series II | 23072082 | Turbine Assy | 250-C20, 250-C20B, 250-C20F, 250-C20J, 250-C20W |
| Series II | 23072104 | Turbine Assy | 250-C20, 250-C20B, 250-C20F, 250-C20W |
| Series II | 23072105 | Turbine Assy | 250-C20, 250-C20B, 250-C20F, 250-C20W |
| Series II | 23073352 | Turbine Assy | 250-C20R/1(RS), 250-C20R/2, 250-C20R/4, 250-C20R, 250-C20R/2(SP), 250-C20R(ST) |
| Series II | 23073513 | Turbine Assy | 250-C20R/1, 250-C20R/1(RS), 250-C20R, 250-C20R(ST) |
| Series II | 23073514 | Turbine Assy | 250-C20R/1(RS), 250-C20R/2, 250-C20R/4, 250-C20R, 250-C20R/2(SP), 250-C20R(ST) |
| Series II | 23088158 | Turbine Assy | 250-C20S |
| Series IV | 6898685 | Turbine Assy | 250-C30M, 250-C30S |
| Series IV | 23004540 | Turbine Assy | 250-C30, 250-C30P, 250-C30M, 250-C30S |
| Series IV | 23008490 | Turbine Assy | 250-C30, 250-C30P, 250-C30M, 250-C30S |
| Series IV | 23031493 | Turbine Assy | 250-C30, 250-C30P, 250-C30M, 250-C30S |
| Series IV | 23031925 | Turbine Assy | 250-C30, 250-C30P, 250-C30M, 250-C30S |
| Series IV | 23033195 | Turbine Assy | 250-C30, 250-C30P, 250-C30M, 250-C30S |
| Series IV | 23035128 | Turbine Assy | 250-C30, 250-C30P, 250-C30M, 250-C30S |
| Series IV | 23062032 | Turbine Assy | 250-C30G/2 |
| Series IV | 23063354 | Turbine Assy | 250-C40, 250-C47B, 250-C47M, 250-C47B/8 |
| Series IV | 23066662 | Turbine Assy | 250-C30 |
| Series IV | M250-10557 | Turbine Assy | 250-C47B, 250-C47M, 250-C47B/8 |
M250 Gearbox Modules
| Engine Series | Part No. | Nomenclature | Application |
|---|---|---|---|
| Series II | 6875492 | Gearbox Assy, Power & Accessory | 250-C20 |
| Series II | 6877180 | Gearbox Assy, Power & Accessory | 250-C20 |
| Series II | 6879863 | Gearbox Assy, Power & Accessory | 250-C20C (T63-A-720) |
| Series II | 6886442 | Gearbox Assy, Power & Accessory | 250-C20, 250-C20B |
| Series II | 6894171 | Gearbox Assy, Power & Accessory | 250-C20, 250-C20B |
| Series II | 6898571 | Gearbox Assy, Power & Accessory | 250-C20 |
| Series II | 6899272 | Gearbox Assy, Power & Accessory | 250-C20F |
| Series II | 23001923 | Gearbox Assy, Power & Accessory | 250-C20J |
| Series II | 23001938 | Gearbox Assy, Power & Accessory | 250-C20F |
| Series II | 23004556 | Gearbox Assy, Power & Accessory | 250-C20B |
| Series II | 23005655 | Gearbox Assy, Power & Accessory | 250-C30P |
| Series II | 23005656 | Gearbox Assy, Power & Accessory | 250-C30M |
| Series II | 23005745 | Gearbox Assy, Power & Accessory | 250-C20J |
| Series II | 23008093 | Gearbox Assy, Power & Accessory | 250-C20S |
| Series II | 23033382 | Gearbox Assy, Power & Accessory | 250-B17F, 250-B17F/1, 250-B17F/2 |
| Series II | 23035185 | Gearbox Assy, Power & Accessory | 250-C20R/1, 250-C20R/1(RS), 250-C20R/2, 250-C20R/2(SP) |
| Series II | 23037417 | Gearbox Assy, Power & Accessory | 250-C20S |
| Series II | 23050834 | Gearbox Assy, Power & Accessory | 250-B17C(NBV), 250-B17D, 250-B17E, 250-B17C(SM) |
| Series II | 23051632 | Gearbox Assy, Power & Accessory | 250-C20R/2 |
| Series II | 23052352 | Gearbox Assy, Power & Accessory | 250-C20W |
| Series II | 23053303 | Gearbox Assy, Power & Accessory | 250-C20R/4 |
| Series II | 23060152 | Gearbox Assy, Power & Accessory | 250-C20R(ST) |
| Series IV | 23008586 | Gearbox Assy, Power & Accessory | 250-C30, 250-C30S |
| Series IV | 23033178 | Gearbox Assy, Power & Accessory | 250-C30M |
| Series IV | 23033350 | Gearbox Assy, Power & Accessory | 250-C20R |
| Series IV | 23035178 | Gearbox Assy, Power & Accessory | 250-C30P |
| Series IV | 23035179 | Gearbox Assy, Power & Accessory | 250-C30, 250-C30S |
| Series IV | 23035181 | Gearbox Assy, Power & Accessory | 250-C30M |
| Series IV | 23039755 | Gearbox Assy, Power & Accessory | 250-C30P |
| Series IV | 23039782 | Gearbox Assy, Power & Accessory | 250-C30G |
| Series IV | 23053333 | Gearbox Assy, Power & Accessory | 250-C30, 250-C30S, C30(HU) |
| Series IV | 23053349 | Gearbox Assy, Power & Accessory | 250-C30P |
| Series IV | 23053960 | Gearbox Assy, Power & Accessory | 250-C30G/2 |
| Series IV | 23061913 | Gearbox Assy, Power & Accessory | 250-C30P |
| Series IV | 23063380 | Gearbox Assy, Power & Accessory | 250-C40B |
| Series IV | 23063393 | Gearbox Assy, Power & Accessory | 250-C47B, 250-C47B/8 |
| Series IV | 23065804 | Gearbox Assy, Power & Accessory | 250-C30R/3, 250-C30R3/M, T703-AD-700C |
| Series IV | 23066745 | Gearbox Assy, Power & Accessory | 250-C47M |
| Series IV | 23068220 | Gearbox Assy, Power & Accessory | 250-C47B, 250-C47B/8 |
| Series IV | 23050802 | Reduction Gearbox | 250-B17F/1, 250-B17F/2, 250-B17E(EST), 250-B17C, 250-B17C(NBV) |