GASKET 4Y9737 - Caterpillar

Several Special Editions of Service Magazine have been published, but many people have not been able to find what has been published. If the Special Edition pertains to a certain area or component of the machine, the Special Edition will be listed in SIRS (Service Information Retrieval System) under the appropriate SMCS (Service Management Control System) code. If the Special Edition pertains to the complete machine, look in SIRS under SMCS code "0000". The following is a list of Special Editions of Service Magazine.
... Machine Improvements-D3 Tractors; 910, 931 Loaders and Attachment Equipment, Including D3, 931 Backhoes; 3, 931 Rippers; and 3S, 3P Bulldozers; May 31, 1978; SEBD1822.
... Improvements to 5.4" Bore, 60 Degree Vee Engines-D346, D348, D349 Industrial, Marine and Truck Engines; 641B, 650B, 651B, 657B, 660B, 666B, 772, 776 Tractors; 773, 777 Trucks; 992 Loaders; August 31, 1978; SEBD1832.
... Steering Clutch and Brake Problems: Troubleshooting, Modifications, and Service Information-955L Loaders (13X, 8Y, 57M); June 17, 1981; SEBD1124.
... Disassembly and Assembly of Track Links on D8L, D9L, D10 Tractors; April 11, 1983; SEBD1310.
... Analysis of Track Link Components- D8L, D9L, D10 Tractors; June 22, 1983; SEBD1319.
... Troubleshooting, Service Tips, and Major Improvements for Hydrostatic Transmissions; December 5, 1984; SEBD1487.
... Major Improvements to D9L Tractors; March 8, 1985; SEBD1557.
... Major Improvements and Service Information for 992C Loaders; September 9, 1985; SEBD1580.
... Sleeve Metering Fuel Systems (SMFS) On 3208 Engines; Component Identification and Interchangeability (Up to, and Including 1986 Model Year Engines); April 23, 1986; SEBD1662.