GEAR-BEVEL 5M7741 - Caterpillar

Caterpillar: Confidential Yellow
PSP FOR FINAL DRIVE BOLT TORQUE ON 12G, 14G, 130G, 140G, AND 160G MOTOR GRADERS - MAILED US AND CANADA, CACO, COFA, CFEL, COS A
  The information supplied in this service letter may not be valid after the termination date of this program.   Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.
U-105 A-50 AU-66 E-45 O-59 4050 PS4255 This Program can be administered only on dealer inventory units. When reporting the repair, use "PS4255" as Part Number and "7755" as Group Number. Termination Date
July 31, 1989
Problem
A problem recently discovered indicates the final drive retainer bolts may have been improperly tightened on some 12G, 14G, 16G, 130G, 140G, and 160G Motor Graders.
Affected Product
This Program only applies to machines with the following PINs that are still in dealer inventory. Model Identification Number 12G 3WC1067 - 1162 61M12027 - 12354, 12356 - 12358, 12360 - 12411, 12413 - 12415, 12417, 12419, 12421 - 12534, 12536 - 12577, 12579 - 12589, 12591, 12593, 12595 - 12598, 12602, 12605 - 12607 14G 3L193 - 200 96U7046 - 7122, 7124 - 7216, 7218 - 7270, 7272 - 7329 16G 93U2679 - 2700, 2702 - 2712, 2714 - 2783 130G 59K81 - 85 74V2321, 2322, 2324 - 2360, 2363 - 2365, 2368 - 2370, 2372, 2373, 2375 - 2380, 2383, 2390, 2393 - 2404, 2409 - 2413 140G 50H1260 - 1330 13W741 -