503:
In
December 2020, GM initiated a program to repair or replace 9T65 transmissions which were causing issues. Repairs were limited to external components only. The program applied to vehicles that had less than 18,000 mi (29,000 km) and had been delivered within the past 18 months. A recall
183:
to engage the first-gear clutches upon restarting the engine. The 8th gear ratio of the 9TXX corresponds to the 6th gear ratio of the 6T40, allowing lower engine speeds in 9th gear. Two of the three planetary gear sets have similar designs between the 9TXX and 6T40; for the third, the 9TXX switches
152:, and in exchange, Ford would adopt the GM 9TXX 9-speed transverse transmission. Ford declined to use the GM 9TXX, however, as the promised improvement in fuel consumption was less than expected, and removed one gear, resulting in the Ford 8F family.
872:
149:
159:
and designed to occupy approximately the same volume as that prior six-speed automatic and retain that transmission's on-axis design, which aligns all the
388:
133:
92:
985:
504:
was issued in March 2023 for certain crossover vehicles which may have a transmission that was assembled using an incorrectly sized sun gear.
1038:
647:
930:
900:
1014:
755:
674:
175:
in one direction and locking up in the other, or freewheeling in both directions. In addition, the transmission supports
806:
545:
425:
155:
During the development of the 9TXX, GM received 60 new patents while building 800 prototypes. It was developed from the
955:
781:
729:
132:, equipped on automobiles starting with the 2017 model year; the 9TXX family was developed from an earlier joint
167:. The addition of three gears was facilitated by adding a "selectable one-way clutch" which can act either as a
594:
364:
357:
148:
Ford and GM announced a joint venture to share automatic transmission designs in April 2013: GM would adopt a
700:
615:
577:
563:
549:
535:
521:
415:
121:
67:
180:
384:
380:
156:
137:
77:
559:
58:
176:
125:
64:
840:
487:
457:
443:
439:
429:
408:
531:
160:
129:
38:
1032:
517:
404:
168:
353:
573:
483:
453:
164:
172:
136:. Ford sells derivatives of the 9TXX with one forward speed removed as the
986:"GM Built Certain 9-Speed Transmissions Incorrectly, Recalls 7,840 SUVs"
956:"New 9T65 Transmission Replacement Pilot Program Bulletin Information"
273:
and towing capacity, with higher numbers having a larger capacity.
616:"Ford and GM finally consummate 9- and 10-speed joint development"
931:"GM Initiates Pilot Program To Replace 9T65 9-Speed Transmission"
623:
289:
270:
675:"Why Ford Isn't Using GM's Nine-Speed Automatic Transmission"
150:
10-speed longitudinal transmission primarily designed by Ford
841:"Fun with transmissions: There's a New 9 Speed On The Block"
809:[General Motors 9T50 nine-speed technical training]
756:"Peeking Inside the GM/Ford Transverse Nine-Speed Automatic"
807:"General Motors 9T50 Nove Velocidades Treinamento TĂ©cnico"
269:
The last two digits of the model number indicate maximum
910:. Vol. 21, no. 2. General Motors. January 2019
1024:. Vol. 19, no. 6. General Motors. March 2017.
965:. Vol. 23, no. 11. General Motors. June 2021
88:
83:
73:
57:
52:
44:
34:
29:
24:
646:
128:applications. It was designed and manufactured by
648:"No thanks, Ford says to 9-speed offered by GM"
782:"General Motors 9T50 Nine Speed FWD: Part Two"
730:"General Motors 9T50 Nine Speed FWD: Part One"
8:
834:
832:
830:
828:
813:(in Portuguese). Cambio Automatico do Brasil
901:"All-New 2019 Blazer Arrives with Attitude"
867:
865:
863:
861:
16:Transversely-mounted automatic transmission
895:
893:
21:
1015:"New 9T50 9-Speed Automatic Transmission"
723:
721:
701:"New 9-Speed Pushes Tech Limit, GM Says"
275:
191:
124:with nine forward speeds for light-duty
606:
134:GM–Ford 6-speed automatic transmission
7:
699:Amend, James M. (December 7, 2016).
645:Martinez, Michael (April 23, 2018).
929:McEachern, Sam (December 3, 2020).
263:2.89, 3.17, 3.32, 3.47, 3.63, 3.80
614:Brooke, Lindsay (April 15, 2013).
14:
780:Riley, Mike (September 1, 2019).
754:Markus, Frank (October 7, 2016).
984:Panait, Mircea (24 March 2023).
839:Brayton, Bill (June 28, 2019).
673:Tracy, David (April 23, 2018).
383:both share components with the
100:The General Motors Hydra-Matic
728:Riley, Mike (August 1, 2019).
332:2,930 kg (6,460 lb)
321:3,080 kg (6,790 lb)
313:2,730 kg (6,020 lb)
302:2,700 kg (6,000 lb)
1:
329:2,473 kg (5,452 lb)
310:2,598 kg (5,728 lb)
299:1,743 kg (3,843 lb)
179:by including a spring-loaded
25:9TXX (9T45, 9T50, 9T60, 9T65)
1039:General Motors transmissions
873:"2021 GMC Trailering Guide"
1055:
312:
595:List of GM transmissions
122:automatic transmissions
620:Automotive Engineering
68:automatic transmission
379:The 9T50 and similar
181:hydraulic accumulator
120:family of electronic
285:Max. trailer weight
126:transversely-mounted
786:Transmission Digest
734:Transmission Digest
278:
194:
184:to a compound set.
560:Chevrolet Traverse
277:Model differences
276:
192:
177:start-stop systems
626:on March 25, 2018
336:
335:
267:
266:
193:9TXX gear ratios
98:
97:
1046:
1025:
1019:
1001:
1000:
998:
996:
981:
975:
974:
972:
970:
960:
952:
946:
945:
943:
941:
926:
920:
919:
917:
915:
905:
897:
888:
887:
885:
883:
878:. General Motors
877:
869:
856:
855:
853:
851:
836:
823:
822:
820:
818:
812:
803:
797:
796:
794:
792:
777:
771:
770:
768:
766:
751:
745:
744:
742:
740:
725:
716:
715:
713:
711:
696:
690:
689:
687:
685:
670:
664:
663:
661:
659:
650:
642:
636:
635:
633:
631:
622:. Archived from
611:
546:Chevrolet Blazer
440:Chevrolet Malibu
426:Chevrolet Blazer
279:
195:
144:Design / history
116:are part of the
53:Body and chassis
22:
1054:
1053:
1049:
1048:
1047:
1045:
1044:
1043:
1029:
1028:
1017:
1013:
1010:
1005:
1004:
994:
992:
983:
982:
978:
968:
966:
958:
954:
953:
949:
939:
937:
928:
927:
923:
913:
911:
903:
899:
898:
891:
881:
879:
875:
871:
870:
859:
849:
847:
838:
837:
826:
816:
814:
810:
805:
804:
800:
790:
788:
779:
778:
774:
764:
762:
753:
752:
748:
738:
736:
727:
726:
719:
709:
707:
698:
697:
693:
683:
681:
672:
671:
667:
657:
655:
653:Automotive News
644:
643:
639:
629:
627:
613:
612:
608:
603:
591:
586:
501:
496:
471:
466:
377:
372:
341:
190:
161:planetary gears
146:
20:
17:
12:
11:
5:
1052:
1050:
1042:
1041:
1031:
1030:
1027:
1026:
1009:
1008:External links
1006:
1003:
1002:
990:Auto Evolution
976:
947:
921:
889:
857:
824:
798:
772:
746:
717:
691:
665:
637:
605:
604:
602:
599:
598:
597:
590:
587:
585:
584:
570:
556:
542:
532:Buick LaCrosse
528:
513:
512:
511:
509:
500:
497:
495:
494:
479:
478:
477:
475:
470:
467:
465:
464:
450:
436:
422:
400:
399:
398:
396:
376:
373:
371:
370:
349:
348:
347:
345:
340:
337:
334:
333:
330:
327:
323:
322:
319:
315:
314:
311:
308:
304:
303:
300:
297:
293:
292:
286:
283:
265:
264:
261:
258:
255:
252:
249:
246:
243:
240:
237:
234:
230:
229:
226:
223:
220:
217:
214:
211:
208:
205:
202:
199:
189:
186:
145:
142:
130:General Motors
96:
95:
93:6F35/6F50/6F55
90:
86:
85:
81:
80:
75:
71:
70:
61:
55:
54:
50:
49:
46:
42:
41:
39:General Motors
36:
32:
31:
27:
26:
18:
15:
13:
10:
9:
6:
4:
3:
2:
1051:
1040:
1037:
1036:
1034:
1023:
1016:
1012:
1011:
1007:
991:
987:
980:
977:
964:
957:
951:
948:
936:
932:
925:
922:
909:
902:
896:
894:
890:
874:
868:
866:
864:
862:
858:
846:
842:
835:
833:
831:
829:
825:
808:
802:
799:
787:
783:
776:
773:
761:
757:
750:
747:
735:
731:
724:
722:
718:
706:
702:
695:
692:
680:
676:
669:
666:
654:
649:
641:
638:
625:
621:
617:
610:
607:
600:
596:
593:
592:
588:
582:
581:
575:
571:
568:
567:
561:
557:
554:
553:
547:
543:
540:
539:
533:
529:
526:
525:
519:
518:Buick Enclave
515:
514:
510:
507:
506:
505:
498:
492:
491:
485:
481:
480:
476:
473:
472:
468:
462:
461:
455:
451:
448:
447:
441:
437:
434:
433:
427:
423:
420:
419:
413:
412:
406:
402:
401:
397:
394:
393:
392:
390:
386:
382:
374:
368:
367:
362:
361:
355:
351:
350:
346:
343:
342:
338:
331:
328:
325:
324:
320:
317:
316:
309:
306:
305:
301:
298:
295:
294:
291:
287:
284:
281:
280:
274:
272:
262:
259:
256:
253:
250:
247:
244:
241:
238:
235:
232:
231:
227:
224:
221:
218:
215:
212:
209:
206:
203:
200:
197:
196:
187:
185:
182:
178:
174:
170:
166:
162:
158:
153:
151:
143:
141:
139:
135:
131:
127:
123:
119:
115:
111:
107:
103:
94:
91:
87:
82:
79:
76:
72:
69:
66:
62:
60:
56:
51:
47:
43:
40:
37:
33:
28:
23:
19:Motor vehicle
1021:
993:. Retrieved
989:
979:
967:. Retrieved
962:
950:
938:. Retrieved
935:GM Authority
934:
924:
912:. Retrieved
907:
880:. Retrieved
848:. Retrieved
844:
815:. Retrieved
801:
789:. Retrieved
785:
775:
763:. Retrieved
759:
749:
737:. Retrieved
733:
708:. Retrieved
704:
694:
682:. Retrieved
678:
668:
656:. Retrieved
652:
640:
628:. Retrieved
624:the original
619:
609:
579:
565:
551:
537:
523:
508:Applications
502:
489:
474:Applications
459:
445:
431:
417:
410:
405:Cadillac XT6
395:Applications
378:
365:
359:
344:Applications
268:
228:Final drive
173:freewheeling
169:sprag clutch
157:6T41 (Gen 3)
154:
147:
117:
113:
109:
105:
104:and similar
101:
99:
48:2019–present
35:Manufacturer
995:12 December
969:12 December
940:12 December
914:12 December
882:12 December
850:12 December
817:12 December
791:18 December
765:18 December
760:Motor Trend
739:18 December
710:12 December
684:12 December
658:12 December
630:12 December
578:3.6 L
564:3.6 L
550:3.6 L
536:3.6 L
522:3.6 L
488:2.0 T
458:2.5 L
444:2.0 T
430:2.5 L
416:3.6 L
409:2.0 T
358:1.5 L
354:GMC Terrain
89:Predecessor
705:Wards Auto
601:References
574:GMC Acadia
484:GMC Acadia
454:GMC Acadia
165:crankshaft
84:Chronology
65:transverse
45:Production
389:Ford 6F35
381:Ford 8F35
163:with the
138:8F family
1033:Category
1022:TechLink
963:TechLink
908:TechLink
679:Jalopnik
589:See also
63:9-speed
30:Overview
385:GM 6T40
78:Ford 8F
74:Related
572:2018–
558:2018–
544:2019–
530:2017–
516:2018–
482:2020–
452:2020–
438:2017–
424:2019–
403:2020–
363:&
352:2018–
282:Model
188:Models
112:, and
1018:(PDF)
959:(PDF)
904:(PDF)
876:(PDF)
845:Gears
811:(PDF)
326:9T65
318:9T60
307:9T50
296:9T45
288:Max.
260:2.96
257:0.62
248:1.45
239:3.01
59:Class
997:2023
971:2023
942:2023
916:2023
884:2023
852:2023
819:2023
793:2023
767:2023
741:2023
712:2023
686:2023
660:2023
632:2023
499:9T65
469:9T60
387:and
375:9T50
339:9T45
290:GVWR
271:GVWR
254:0.75
251:1.00
245:1.92
242:2.45
236:3.31
233:4.69
118:9TXX
114:9T65
110:9T60
106:9T45
102:9T50
580:LGX
566:LFY
552:LGX
538:LGX
524:LFY
490:LSY
460:LCV
446:LTG
432:LCV
418:LGX
411:LSY
366:LSD
360:LYX
1035::
1020:.
988:.
961:.
933:.
906:.
892:^
860:^
843:.
827:^
784:.
758:.
732:.
720:^
703:.
677:.
651:.
618:.
414:,
391:.
225:R
222:9
213:6
204:3
171:,
140:.
108:,
999:.
973:.
944:.
918:.
886:.
854:.
821:.
795:.
769:.
743:.
714:.
688:.
662:.
634:.
583:)
576:(
569:)
562:(
555:)
548:(
541:)
534:(
527:)
520:(
493:)
486:(
463:)
456:(
449:)
442:(
435:)
428:(
421:)
407:(
369:)
356:(
219:8
216:7
210:5
207:4
201:2
198:1
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.