Kent-Moore J-24221 Fourth Clutch Alignment Fixture for Allison Transmission.
New, never used, as shown in pictures, but it does have some rust (also in pictures)
Note: ALL valid part alternates 5120-01-115-1156 - J-24221, 2KM84, 5731915, 01-115-1156.
This tool is used to maintain alignment of the fourth clutch during service on Allison model HT740D, HT747, HT750CRD, HT754CRD, HT750DRD C(LB)T 750, HT(B) 741, HT(B) 748, HT 755 transmission.