'4 cylinder' rear 3rds
gear manufacturer and ratio pinion shim Solid collar info Comments
488 (circle K) .72 crush New MK
Motive 488 unusual markings .102 2.371 + .064 New MK
Motive 488 .084 .050 .
Motive 488 .076 .052 .
Motive 529 .072 2.373 + .0675 New MK
Motive 529 .0795 2.373 + .060 New MK
Motive 529 .075 2.368 + .062 New MK
Motive 529 .072 2.373 + .066 New MK
Motive 529 .071 2.365 + .072 New MK
Motive 529 .078 .058 .
Motive 529 .0805 2.374 + 060 new MK
Motive 571 .092 2.376 + 046 used bearings
PG 571 .075 056 .
PG 571 .071 .064 .
PG 571 .071 .062 .
PG 571 .080 .054 Used bearings
Precision 488 (JU) .105 2.367 + .066 new MK
Precision 488 .071 2.377 + .056 = 2.433 .
Precision 529 .079 2.377 + .058 New MK
Precision 529 .075 .056 .
Precision 529 .074 .062 .
Precision 529 .079 .062 .
Precision 529 .082 .058 .
Yukon 488 .089 2.370 + 066 used bearings
Yukon 488 .093 crush new MK
Yukon 488 .091 .058 .
Yukon 488 .094 .060 .
Yukon 488 .092 .052 .
Yukon 529 .100 .056 .
Yukon 529 .108 .042 used bearings
Yukon 529 .093 .062 new bearings
529 unknown brand .064 2.371 + .062 new MK



V6 rear 3rds
gear manufacturer and ratio pinion shim Solid collar info Comments
ARB and pinion kit .216 1.842 + .020 new bearings
Genuine 529 .241 . crush
Genuine 529 .241 . crush
Motive 456 .235 1.831 + 032 new MK
Motive 456 .226 .022 new MK
Motive 456 .230 . crush
Motive 488 .214 crush new MK
Motive 488 .214 1.838 + .026 = 1.864 .
Motive 488 .216 1.833 + .036 = 1.869 .
Motive 529 .216 1.807 + 058 new MK
Motive 529 .213 .030 new bearings
Motive 571 .230 1.815 + .061 per Nick B new bearings
Motive 571 .233 1.833 + .028 new MK
PG 529 .082 .048 .
Precision 529 .214 1.819 + .044 New MK
Precision 529 .213 .034 .
Precision 529 .082 .050 .
Sportsman V6 529 .0745 .023 .
US Gear 488 .239 .050 .
US Gear 529 .074 .030 .
Yukon 488 .234 028 .
Yukon V6 529 .077 1.834 + .0285 new MK
Yukon V6 529 .078 .022 Used bearings
Yukon V6 529 .075 1.814 + .048 New MK
Yukon V6 529 .080 1.812 + .052 Used bearings



E-Locker
gear manufacturer and ratio pinion shim Solid collar info Comments
Genuine 488 .243 . crush
Motive 410 .226 1.848 + .016 New MK
Motive 456 .235 1.833 + .026 new MK
Motive 488 .2225 1.838 + .024 new MK
Motive 488 .222 1.823 + .048 = 1.871 .
Motive 488 .216 1.840 + .022 new MK
Motive 488 .2235 1.838 + .026 new MK
V6 Motive 488(HP) .080 1.833 + .032 new MK
Motive 529 .210 1.829 + .036 new MK
Motive 571 .225 1.841 + .021 new MK
Motive 571 .239 1.836 + .026 new MK
Richmond 488 .077 022 .
Richmond 488 .077 . crush
Precision 456 (Sportsman logo) .072 1.823 + .042 new MK
Precision 488 (JU) .259! 1.834 + .028 new MK
Precision 488 .238 .024 .
Precision 529 .235 .000 well used bearings
Sportsman 456 .073 .020 Used bearings
Yukon 529 .078 1.838 + 026 new MK
Yukon 529 .235 026 used bearings
Yukon 529 .078 .028 .



Taco (T100)
gear manufacturer and ratio pinion shim Solid collar info Comments
Motive 456 .083 2.272 + .052 .
Motive 456 .083 2.271 + .052 = 2.323 used bearings
Motive 488 .0795 2.275 + .044 New MK
Motive 488 .083 044 .



Hi-pinion reverse cut
gear manufacturer and ratio pinion shim Solid collar info Comments
488 (Circle K) .0795 crush new MK
Motive 488 .081 crush used bearings
'Nitro' 529 (K5) .077 1.813 + .052 New MK
Precision 529 (K5) .078 1.837 + 026 used bearings
Yukon 488 .079 .022 used bearings
Marlin supplied 529 (Yukon?) .078 1.838 + .022 .
Marlin supplied 529 (Yukon?) .075 .026 .
529 (BobbyLong)(K5) .071 1.834 + .0245 New MK