Military Turbofan/Turbojet Specifications
Civil Turbofan/Turbojet Specifications
Military Turboshaft/Turboprop Specifications
Civil Turboshaft/Turboprop Specifications

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Civil Turboshaft/Turboprop Specifications
Civil Turboshaft/Turboprop Specifications
(sorted by engine manufacturer)
1 2 3 4 5 6 7
Manufacturer Model Application(s) Power SFC Airflow OPR Number LPC HPC HPT IPT LPT Length Width/ Weight Notes Refs
(TO) (TO) (TO) Spools Stgs Stgs Stgs Stgs Stgs Diameter (dry) 1 2 3 4 5 6 7
[shp] [lb/shp hr] [lb/s] [in] [in] [lb]
Allison 250-B15 Courier, Twin Stallion 317 1 + FT - 6 + 1C 2 - 2
Allison 250-B15A SM1019 317 1 + FT - 6 + 1C 2 - 2
Allison 250-B15G SM1019 317 1 + FT - 6 + 1C 2 - 2
Allison 250-B17 Cessna 402/414, Nomad N-22 400 0.657 4 7.2 1 + FT - 6 + 1C 2 - 2 Notes
Allison 250-B17B Cessna 402/414, Nomad N-22, SM1019E 400 0.657 4 7.2 1 + FT - 6 + 1C 2 - 2 Notes
Allison 250-B17C Cessna 402/414, Nomad N-22/-24, BN-2T, P68TP, A36, GZ22, AT-35 420 0.657 4 7.2 1 + FT - 6 + 1C 2 - 2 44.9 22.5 198
Allison 250-B17D SF260TP, KM2D, HTT34, CT-4C 420 0.657 4 7.2 1 + FT - 6 + 1C 2 - 2 44.9 22.5 202
Allison 250-B17E Nomad N-22/-24 420 0.657 4 7.2 1 + FT - 6 + 1C 2 - 2 44.9 22.5 202
Allison 250-B17F AT-34, Grob 140TP 450 0.610 4 7.9 1 + FT - 4 + 1C 2 - 2 44.9 22.5 212 Notes
Allison 250-B17F/1 BN-2T, Defender 4000 450 0.610 4 7.9 1 + FT - 4 + 1C 2 - 2
Allison 250-B17F/2 P-210, A36, Cessna 206H 450 0.610 4 7.9 1 + FT - 4 + 1C 2 - 2
Allison 250-C14 AB206A/C, A206B (not produced) 370 1 + FT - 6 + 1C 2 - 2
Allison 250-C18 Bell 206A, AB206A, MD500, MD500C 317 0.640 4 7.2 1 + FT - 6 + 1C 2 - 2
Allison 250-C18A MD500, MD500C 317 0.640 4 7.2 1 + FT - 6 + 1C 2 - 2
Allison 250-C18B Bell 206A, AB206A 317 0.640 4 7.2 1 + FT - 6 + 1C 2 - 2
Allison 250-C20 Bell 206B, MD500C, A109A, BO105C/CB, Fokker H5 400 0.650 4 7.2 1 + FT - 6 + 1C 2 - 2
Allison 250-C20B Bell 47G, Bell 206B-1/B-3, AB206B, MD500D/E, A109A, BO105CBS/CBS-4/CBS-5, RH-1100, UH-12E, KA226 420 0.650 4 7.2 1 + FT - 6 + 1C 2 - 2 38.8 23.2 161 Notes
Allison 250-C20F AS355E/F1/F2 420 0.650 4 7.2 1 + FT - 6 + 1C 2 - 2 38.8 23.2 161
Allison 250-C20F/2R AS355F2R 450 1 + FT - 6 + 1C 2 - 2 38.8 23.2 161
Allison 250-C20J Bell 206B-3/L 420 0.650 4 7.2 1 + FT - 6 + 1C 2 - 2 38.8 23.2 161
Allison 250-C20R Bell 206LT, Gemini ST, Bell 400/440 (not produced) 450 0.608 7.9 1 + FT - 4 + 1C 2 - 2 38.8 23.2 173
Allison 250-C20R/1 A109A Mk.2, A109C/C Max, Gemini ST 450 0.608 7.9 1 + FT - 4 + 1C 2 - 2 38.8 23.2 173
Allison 250-C20R/2 Bell 260B-3/L, MD500D/ER, MD520N, KA-226A 450 0.608 7.9 1 + FT - 4 + 1C 2 - 2 38.8 23.2 173
Allison 250-C20R/3 BO108 (not produced/see EC135) 450 0.608 7.9 1 + FT - 4 + 1C 2 - 2 38.8 23.2 173
Allison 250-C20R/4 Bell 206B-3/L 450 0.608 7.9 1 + FT - 4 + 1C 2 - 2 38.8 23.2 173
Allison 250-C20R/9 450 0.608 7.9 1 + FT - 4 + 1C 2 - 2 38.8 23.2 173 Notes
Allison 250-C20S Cessna 185, 206, 207 conversions 420 0.650 4 7.2 1 + FT - 6 + 1C 2 - 2
Allison 250-C20W TH330, TH333, TH480A/B 420 0.650 4 7.2 1 + FT - 6 + 1C 2 - 2
Allison 250-C22 A109D 1 + FT - 6 + 1C 2 - 2 Notes
Allison 250-C28B Bell 206L-1, AB206L 500 0.606 4 8.4 1 + FT - 1C 2 - 2 47.3 25.1 230 Notes
Allison 250-C28C BO105LS/LS-A1/LS-A3 500 0.606 4 8.4 1 + FT - 1C 2 - 2 47.3 25.1 230
Allison 250-C30 MD530, FT600, S-76A 650 0.592 6 8.4 1 + FT - 1C 2 - 2 41.0 25.1 240 Notes
Allison 250-C30C 650 0.592 6 8.4 1 + FT - 1C 2 - 2
Allison 250-C30G Bell 222 650 0.592 6 8.6 1 + FT - 1C 2 - 2 43.2 25.5 258
Allison 250-C30G/2 Bell 230 650 0.592 6 8.6 1 + FT - 1C 2 - 2 43.2 25.5 258
Allison 250-C30L (see military turboshaft specifications)
Allison 250-C30M AS350D 650 0.592 6 8.6 1 + FT - 1C 2 - 2 43.2 25.5 258
Allison 250-C30P Bell 206L-3/L-4 650 0.592 6 8.6 1 + FT - 1C 2 - 2 43.2 25.5 258
Allison 250-C30R (see military turboshaft specifications)
Allison 250-C30R/1 (see military turboshaft specifications)
Allison 250-C30R/2 (see military turboshaft specifications)
Allison 250-C30R/3 (see military turboshaft specifications)
Allison 250-C30R/3M (see military turboshaft specifications)
Allison 250-C30S S-76A-2 650 0.592 6 8.6 1 + FT - 1C 2 - 2 43.2 25.5 258
Allison 250-C30U (see military turboshaft specifications)
Allison 250-C40B Bell 430 715 0.570 9.2 1 + FT - 1C 2 - 2 41.0 25.1 280
Allison (Rolls-Royce) 250-C47B Bell 407 650 0.580 6 9.2 1 + FT - 1C 2 - 2 41.0 25.1 274
Allison (Rolls-Royce) 250-C47M MD600N 650 0.580 6 9.2 1 + FT - 1C 2 - 2 41.0 25.1 274
Allison 501-D13 L-188A/C Electra 3,750 1 - 14 4 - -
Allison 501-D13A L-188A/C Electra 3,750 1 - 14 4 - -
Allison 501-D13D Convair CV-580 3,460 1 - 14 4 - -
Allison 501-D13H Convair CV-580 1 - 14 4 - -
Allison 501-D15 L-188A/C Electra 4,050 1 - 14 4 - -
Allison 501-D22 Lockheed L-382 3,755 1 - 14 4 - - 146.0 44.6
Allison 501-D22A Lockheed L-100-20/-30 4,590 0.520 33 9.6 1 - 14 4 - - 146.0 44.6 1,834 Notes
Allison 501-D22C B-377GT Guppy 201 4,368 0.520 33 9.6 1 - 14 4 - - 146.0 44.6
Allison 501-D22G Convair CV-5800 4,368 0.520 33 9.6 1 - 14 4 - - 146.0 44.6
Allison (Rolls-Royce) AE 2100A Saab 2000 4,152 0.460 17.0 1 + FT - 14 2 - 2 118.0 28.7 1,641
Allison (Rolls-Royce) AE 2100C N-250-50/-100 (not produced) 1 + FT - 14 2 - 2
Avco Lycoming AL5512 Boeing 234ER/LR/UT, Boeing 360 (not produced) 4,200 0.520 8.2 2 - 7 + 1C 2 - 2 Notes
Avco Lycoming LTC 4B-8D Bell 214A 2,250 0.630 6.0 1 + FT - 7 + 1C 2 - 2 44.0 24.0 605
Avco Lycoming LTC 4B-12 4,600 0.520 27 8.5 1 + FT - 7 + 1C 2 - 2
Avco Lycoming LTC 4R-1 3,750 0.550 25 8.0 1 + FT - 7 + 1C 2 - 2 Notes
Avco Lycoming LTC 4R-3 4,526 0.520 27 8.0 1 + FT - 7 + 1C 2 - 2
Avco Lycoming LTC 4V-1 5,000 0.410 26 2 + FT - 8 2 - 2
Avco Lycoming LTP 101-600A-1A Cessna/Riley 421, Turbo Thrush, Ag-Cat, AT-302/-302A, Do 28D-5X 615 0.544 8.5 1 + FT - 1 + 1C 1 - 1 37.4 21.0 325
Avco Lycoming LTP 101-700A-1A Cessna/Riley 421, Turbo Thrush, Ag-Cat, Piaggio P166 700 0.544 8.6 1 + FT - 1 + 1C 1 - 1 37.4 21.0 335
Avco Lycoming LTS 101-600A-2 AS350C/D/D1 615 0.571 5 8.5 1 + FT - 1 + 1C 1 - 1 30.9 22.4 253
Avco Lycoming LTS 101-600A-3 AS350C/D/D1 615 0.582 8.4 1 + FT - 1 + 1C 1 - 1 31.5 22.4 265
Avco Lycoming LTS 101-600A-3A AS350C/D/D1 650 1 + FT - 1 + 1C 1 - 1 31.5 22.4
Avco Lycoming LTS 101-650B-1 BK117A1/A3/A4 650 0.577 8.4 1 + FT - 1 + 1C 1 - 1 31.1 25.4 273
Avco Lycoming LTS 101-650C-2 Bell 222 675 0.572 1 + FT - 1 + 1C 1 - 1 31.3 22.6 241
Avco Lycoming LTS 101-650C-3 Bell 222 675 0.572 8.4 1 + FT - 1 + 1C 1 - 1 31.3 22.6 241
Avco Lycoming LTS 101-650C-3A Bell 222 675 0.572 8.4 1 + FT - 1 + 1C 1 - 1 31.3 22.6 241
Avco Lycoming LTS 101-700D-2 AS350SuperB2 1 + FT - 1 + 1C 1 - 1
Avco Lycoming LTS 101-750B-1 BK117B/B1/B2 727 0.577 8.4 1 + FT - 1 + 1C 1 - 1 31.3 25.4 271
Avco Lycoming LTS 101-750B-2 AS366 742 0.570 8.8 1 + FT - 1 + 1C 1 - 1 32.4 24.7 268
Avco Lycoming LTS 101-750C-1 Bell 222B/UT 735 0.577 8.8 1 + FT - 1 + 1C 1 - 1 31.3 22.6 244
Avco Lycoming T5311A Bell 204B, AB204A 1,100 0.680 11 6.1 1 + FT - 5 + 1C 1 - 2 47.6 23.0 496
Avco Lycoming T5313A Bell 205A, AB205A-1 1,400 0.580 13 7.4 1 + FT - 5 + 1C 2 - 2 47.6 23.0
Avco Lycoming T5313B Bell 204B-2, Bell 205A1 1,400 0.580 13 7.4 1 + FT - 5 + 1C 2 - 2 47.6 23.0 544
Avco Lycoming T5317A Bell 205A1, Kaman K-Max 1,500 0.590 12 8.0 1 + FT - 5 + 1C 2 - 2 47.6 23.0 564
Avco Lycoming T5319A 1,800 0.590 12 8.0 1 + FT - 5 + 1C 2 - 2
Avco Lycoming T5321A 1,800 0.590 12 8.0 1 + FT - 5 + 1C 2 - 2
Avco Lycoming T5508D Bell 214B/B-1/C 2,930 0.592 1 + FT - 7 + 1C 2 - 2 44.0 24.0 605
Avco Lycoming (Textron Lycoming) T55-L-714A Boeing 414-100 Super D 4,867 0.500 9.3 1 + FT - 7 + 1C 2 - 2 48.5 28.7 832