369-03183-0 Tohatsu GASKET "B", CARBURETOR COVER

21Jun2019
U-365
A-299
D-311
Safety
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE ENGINE SOFTWARE ON CERTAIN 3512B ENGINES, AND MARINE AUXILIARY ENGINES, 3512C PETROLEUM ENGINES, AND SPF343C TRAILER MOUNTED PUMPERS EQUIPPED WITH DYNAMIC GAS BLENDING
1920 PI11212
Caterpillar’s obligations under this Service Letter are subject to, and shall not apply in contravention of, the laws, rules, regulations, directives, ordinances, orders, or statutes of the United States, or of any other applicable jurisdiction, without recourse or liability with respect to Caterpillar.
This Program must be administered as soon as possible.When reporting the repair, use "PI11212" as the Part Number and "7751" as the Group Number, "56" as the Warranty ClaimDescription Code and "T" as the SIMS Description Code.
Exception: If the repair is done after failure, use "PI11212" as the Part Number, "7751" as the Group Number,"96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.
PROBLEM
The existing engine software has several nuisance issues and the air shut off does not function during an overspeed event on certain 3512B Engines, and Marine Auxiliary Engines, 3512C Petroleum Engines, and SPF343C Trailer Mounted Pumpers equipped with Dynamic Gas Blending. This may, in conjunction with other factors or circumstances, result in a risk of personal injury, fire or death.
AFFECTED PRODUCT
Model Identification Number
3512B 4AW00565, 861, 1019-1020
S2G00186, 192-193, 200-201, 299, 313, 316, 391, 393-394, 397
3512C R1A00125, 147, 150, 155, 173, 182, 199, 205, 208, 213, 221, 229, 231, 233-234, 251, 258, 261, 265, 269, 285, 292, 308, 310, 331-332, 335, 346, 355, 362, 364, 368-371, 373, 378, 384, 397, 407, 431, 443-444, 469, 486, 496, 499, 509, 524, 528-532, 534, 553, 565, 567, 573, 583, 586, 588, 606, 613, 617, 663, 669, 678, 693, 719, 753, 759, 766, 774, 792, 796, 798-799, 804, 810-812, 870, 881, 884-885, 897, 901, 913, 917, 926-929, 943, 963, 1012, 1016, 1020, 1023, 1031, 1038, 1059, 1062, 1070-1071, 1096, 1100, 1121, 1137, 1150-1153, 1157, 1169, 1196, 1200-1201, 1208, 1222, 1225, 1252, 1278, 1282-1283, 1285, 1287, 1291, 1303-1304, 1322, 1342, 1352, 1360, 1372, 1375, 1377, 1407, 1410, 1420, 1422, 1425, 1428, 1435, 1443, 1446, 1486, 1489-1490, 1511, 1514-1515, 1537-1540, 1542-1549, 1552-1555, 1557-1560, 1562-1563, 1565-1575, 1577, 1581, 1584-1587, 1589-1590, 1592-1593, 1595-1596, 1606, 1610, 1613, 1618, 1623-1625, 1628, 1630-1633, 1635-1641, 1643-1645, 1647-1663, 1665-1666, 1668, 1670, 1672, 1674-1675, 1692, 1699-1702, 1704, 1706-1708, 1710, 1712-1713, 1715-1716, 1721, 1724-1726, 1729-1730, 1740, 1742, 1745, 1752, 1767, 1771, 1775, 1788, 1792, 1799, 1803-1805, 1808-1814, 1816-1825, 1827-1833, 1835, 1837-1856, 1865-1869, 1871-1872, 1874, 1878-1880, 1882-1889, 1891, 1893-1894, 1897, 1899, 1904-1905, 1917-1918, 1920-1922, 1924-1928, 1931-1932, 1934-1938, 1940-1943, 1946, 80004, 80006, 80008, 80014, 80020, 80025, 80030-80031, 80045-80049, 80055
3512C HD R1S00192, 233, 301, 304, 307-308, 311, 313, 316, 318, 325, 328-329, 386, 389, 395, 410-412, 431, 435, 444, 460, 462, 477, 479, 498, 500-501, 503-506, 508, 514, 520, 536, 538, 546, 583, 653, 655, 658, 717, 720, 740, 830, 833, 913, 995, 1053, 1110, 1119, 1121, 1140, 1174, 1253-1254, 1256, 1258-1261, 1263, 1266-1268, 1283, 1405
WF300123, 128, 132, 134, 138, 140, 144, 148, 151-152, 156, 158-159, 162, 168-171, 178, 181, 186, 189-190, 192, 194, 196, 198, 200-201, 243, 273, 288-290, 292, 295, 299, 302-303, 305, 308-309, 315, 317-319, 322, 328, 330, 333, 337-339, 342-344, 348, 380, 394, 420, 433, 436, 438, 443, 452, 454, 458, 465, 468, 500, 516, 518, 520-521, 524, 593, 596, 598, 602, 606, 608, 616, 628, 654-656, 726-731
WF500114-00115, 130, 155-156, 164, 177, 181, 186, 195, 226, 240, 242, 245, 251-252, 291, 295, 298, 306, 313, 318, 322, 325, 329, 331, 333, 337, 342, 351-352, 354, 358, 360-361, 372, 430, 451, 454, 456-457, 461-463, 465-468, 474-475, 477-479, 483, 490-491, 494, 498, 502, 506, 511, 514, 517, 576, 640, 645, 663, 665-672, 674, 677-679, 682, 686-687, 742, 827-828, 854, 857-859, 861, 865, 868, 873-875, 885, 889-891, 893-894, 899-903
SPF343C RTX00169, 236, 340, 343, 356, 359, 362, 366-367, 370, 373-375, 377, 382, 387, 390, 402, 411, 414, 421, 441, 478, 493, 497-498, 507-509, 513, 515, 537, 539-540, 542, 545, 553, 556, 560-561, 568-569, 585, 605, 610, 626-627, 633-634, 651-652, 656, 669, 678, 721, 729, 735, 743, 756, 794-799, 801, 803, 806-808, 818, 820-824, 837, 935-938, 940-954
PARTS NEEDED
Qty
Part Number Description
1 5847332