SERIES 60 SERVICE MANUAL Torque Specification - Pipe Plugs Standard pipe plug torque specifications supporting the Series 60 engine are listed in Table 9. *Use sealant such as Pipe Plug Sealant with Teflon®, PT-7271 (Loctite® 592), or equivalent on all uncoated pipe plugs. Table 9 Standard Pipe Plug Torque Specifications (Rev. 2005) All information subject to change without notice. 50 6SE483 0507 Copyright © 2005 DETROIT DIESEL CORPORATION *Pipe Plug Size, NPTF Torque Specifications, N·m Torque Specifications, lb·ft 1/8 in. 14-18 10-13 1/4 in. 19-24 14-18 3/8 in. 24-31 18-23 1/2 in. 31-39 23-29 3/4 in. 45-56 33-41 1 in. 101-126 75-93 1-1/4 in. 129-161 95-119 1-1/2 in. 149-187 110-138