Improved Servicing is Available for the Fuel Injection Pump for C6.6 and C4.4 Engines {1251, 1256, 1290, 1714}
- Industrial Engine:
- C4.4 (S/N: 4442325-2334,2336-2742,2745-2943,2945-3644,3647-3762,3764-4018,4020-4346,4348-4422,4425-4426,4429-4445,4447-4481,4483-4519,4521-4611,4613-4894,4896-5126,5129-5356,5358-5371,5373-5518,5521-5624,5627-5636,5638-5778,5780-5980,5982-6020,6022-6022,6024-6113,6115-6127,6129-6380,6382-6665,6667-6679,6682-6684,6686-6718,6720-6730,6732-6807,6809-6879,6882-6946,6949-6962,6964-6996,7000-7043,7045-7080,7083-7135,7137-7162,7165-7165,7167-7167,7169-7169,7172-7175,7177-7177,7180-7195,7197-7259,7266-7269,7272-7276,7278-7281)
- Generator Set:
- C4.4 (S/N: D4B404-404,412-415,417-611,614-620,623-623,629-661,663-693,695-1077,1079-1201,1502-1503,1505-1520,1523-1524,1529-1529,1531-1538,1543-1544,1547-1547,1549-1549,1553-1556,1559-1559,1562-1565,1567-1568,1570-1570,1572-1572,1574-1582,1586-1588,1590-1591,1593-1595,1599-1599; D4D1-1,612-618,622-736,764-772)
- C6.6 (S/N: 666825-825,6233-6320,6322-6328,6330-6404,6406-6522,6524-6546,6548-6616,6618-7010,7012-7013,7015-7045,7047-7084,7086-7215,7217-7340,7342-7354,7356-7435,7437-7455,7457-7506,7508-7649,7651-7653,7655-7660,7662-7669,7672-7877,7879-7885,7895-7920,7922-7927,7929-8075,8077-8078,8080-8087,8098-8189,8191-8249,8250-8252,8254-8268,8270-8299,8301-8544,8546-8718,8720-8821,8823-8863,8866-9165,9167-9253,9256-9258,9261-9311,9313-9381,9386-9420,9423-9479,9481-9578,9580-9581,9583-9590,9592-9653,9657-9826,9828-9923,9926-9988,9991-9991,9993-10193,10195-10196,10198-10217,10219-10273,10275-10294,10296-10361,10363-10565,10567-10595,10598-10601,10603-10682,10684-10766,10774-10877,10879-10907,10909-10913,10915-10941,10943-10952,10960-11028,11030-11067,11069-11182,11184-11192,11195-11221,11227-11235,11237-11307,11314-11330,11332-11339,11342-11379,11381-11475)
- C6.6 (S/N: N6D406-1217,1219-1228,1230-1277,1279-1279,1282-1283,1285-1287,1289-1291,1294-1297,1400-1400,1403-1403,1406-1415,1418-1425,1427-1429)
Description of Change: The outlet check valve is now serviceable.
Adaptable To: A new 257-2381 Pin replaces 257-2381 Pin. A new 257-2382 Plug replaces 257-2382 Plug. A new 258-8149 Spring replaces 258-8149 Spring. To install the components, refer to Special Instruction, REHS3751, "Servicing the Outlet Check Plugs on the Fuel Injection Pump on C6.6 and C4.4 Engines" for the correct procedure.
Caterpillar Information System:
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