FixVault

Dana Built Axles

Identification code is stamped on front surface of left front axle tube and rear surface of right rear axle tube.

AXLE RATIO IDENTIFICATION CONVENTIONAL DIFFERENTIALS

Code Ratio
TFA, TFB, TFC 2.56:1
RUB, TAF, TAD, TAC 2.73:1
RAC, RAF, RAR, RAJ, RAT, TAB, TAA, RAA, RAM, RWB, RWH, RWF, RWK 2.76:1
KAA, KAS, KAC, KAU, KAN, KAF, RYB, TBB, TBA, KAJ 3.97:1
TBC, TBD, TBF 3.08:1
KHC, KHA, KHB, KHR, RMF, RMC, RMA, RMJ 3.21:1
KDA, KDX, KDD, RCJ, RCB, RCM, RCD, RKB, RKF 3.40:1
TCA, TCC, TCD 3.42:1
KBT, RBA, RBZ, KBF, KBC, KBY, KBH, KBK, KJN, KKC, RJA, RJY, RJF, RJW, KKM, RJS, KBB, KBK, KKK, RNC, KBB, RRH 3.75:1
KNA, KNH, KNC, KNK, KNR, RNM 4.09:1
KJS, KMJ, KJA, KJH, KJD, KJK, KJU, KJF 4.10:1
KJC, KMM, KMR, KNJ, KJM, KJX, RNB, KMA, KMC, KMZ, KMW, KMX, KMY 4.10:1
RCW, RDA, KCS, KCB 4.11:1
KFB, KFA, KFT, KMS, KSA, RNA, KSC, KSR, KST, RNK, KSX, RNU, KWN, KRB, KRC, KSC, KWH 4.56:1
KWJ 4.88:1
KTB 5.13:1
KSC 5.43:1
RTC 6.17:1
LOCKING DIFFERENTIALS

Code Ratio
RAD, RAH, RAS, RAK, RWD, RAU, RAB, RAN, RWA, RWA, RWJ 2.76:1
KAB, KAT, KAD, KAW KAH, KAR, KAK 3.07:1
KDY, KDB, RCK, RCC, RKC, RCN, RCF, RKD, RCA, RKH 3.40:1
KBU, KBX, KDC, KBN, KBD, KBZ, KBJ, KBJ, RJR, RJT, RJM, RJB, RJX, RJJ, RJU, KKH 3.73:1
RRD, RRB, RRJ 3.75:1
KNB, KNJ, KNS 4.09:1
JJT, KMK, KJB, KJJ, KJW, KJR, KJN, KMK, KMN, KMU, KMB, KMD 4.10:1
KCF, KCA, KCT, KCC 4.11:1
KFC, KFM, KMT, KSB, KSD, KSS, KSU, KSW, KRF, KRH, KRD 4.56:1