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Series 53 Torque Specifications

Thread Size (in.)Class & ApplicationTorque Specifications
1/4-20Standard Torque Specification7-99-12
Bolt-Injector Control Shaft Bracket10-1214-16
Bolt-Cam Follower Guide12-1716-23
1/4-28Standard Torque Specification8-1011-14
Screw-Injector Rack Control Lever2-33-4
5/16-18Bolt-Oil Pan (Low Pan or Aluminum F/W Hsg. & Front Cover)10-2014-27
5/16-18Bolt Water Pump Cover12-1516-20
5/16-18Bolt-Flywheel Housing to Gov Housing (Inline)10-1214-16
5/16-18Bolt-Oil Pick-up Tube20-2527-34
5/16-18Bolt-Idler Gear Hub and Spacer Alum15-2020-27
5/16-18Bolt-Air Box Cover 1/4 Thick Clamp8-1011-14
5/16-18Standard Torque Specification13-1718-23
Bolt-Idler Gear Hub and Spacer (Cast)19-2326-31
Bolt-Oil Pan (Cast) - Hard Gasket13-2118-28
5/16-24Standard Torque Specification15-1920-26
Nut-Push Rod Lock15-1920-26
Bolt-Blower Rotor Gear Hub25-3034-41
Bolt Blower Thrust Washer Retaining25-3034-41
Bolt-Blower Drive Cam Pilot25-3034-41
5/16-24Nut-Connecting Rod V53 Only24-2833-38
3/8-16Standard Torque Specification30-3541-47
Bolt-Rocker cover Hold Down8-1311-18
Bolt-Flywheel Housing to Idler Gear and Dummy Hub (Place Type)40-4554-61
Bolt-Air Inlet Housing to Blower16-2122-28
Nut-Oil Cooler Element90-110122-149
Bolt-Front and Rear Blower End Plate Cover20-2527-34
Bolt-Flywheel Housing Balance Weight Cover20-2527-34
3/8-16Bolt-Front and Rear Blower End20-2527-34
Bolt-Housing to Intercooler10-1514-20
Bolt-Air Box Cover Cast 6V5312-1716-23
Bolt-Air Box Cover Inline 5312-1616-22
Bolt-Air Box Cover 3/8 Thick Clamp10-1514-20
Bolt-Injector Clamp20-2527-34
3/8-24Standard Torque Specification35-3947-53
Bolt-Accessory Drive to Balance Gear (Steel Disc)45-061-68
Bolt-Blower Thrust Plate Retainer54-5973-80
Bolt-Flywheel Housing Balance25-3034-41
Bolt-Front and Rear End Plate Cover20-2527-34
Nut-Connecting Rod Inline and Vee40-4554-61
Nut-Plug blower Drive Assembly and Flywheel Housing Plug Nuts5-3034-41
Nut-Fuel Jumper Line12-1616-22
7/16-14Standard Torque Specification46-5062-68
Bolt-Tachometer Drive Cover30-3541-47
Bolt-Crankshaft Outboard Main Bearing Support to Cover75-85102-115
Bolt-Flywheel Housing Large Hole Cover30-3541-47
Stud-Exhaust Manifold25-4034-54
Bolt-Rocker Arm Bracket50-5568-75
7/16-20Standard Torque Specification57-6177-83
Nut-Exhaust Manifold30-3541-47
1/2-13Standard Torque Specification71-7596-102
Bolt-Tachometer Drive Cover30-3541-47
Bolt-Flywheel Housing Large Hole Cover30-3541-47
1/2-20Standard Torque Specification83-93113-126
Bolt-Blower Rotor Gear Retainer25-3034-41
Plug-Fuel Pump Relief Valve18-2224-30
9/16-12Standard Torque Specification90-100122-136
9/16-18Standard Torque Specification107-117145-159
Stud-Clutch Fork Ball65-7588-102
5/8-11Standard Torque Specification137-147186-199
Bolt-Starter To Aluminum Flywheel Housing95-105129-143
5/8-18Standard Torque Specification168-178228-241
Nut-Governor Gear125-135169-183
Bolt-Lube Oil Filter Center50-6068-81
Nut-Alternator Pulley70-8095-108
Nut-Special Self Locking Nut (10SI Alternator)40-6054-81
Caps-Injector Filter65-7588-102
Nut Standard, Dipstick Tube30-3541-47
Nut-Accessory Drive Pulley120-140163-190
3/4-16Standard Torque Specification290-300393-407
Bolt-Crankshaft End290-300393-407
7/8-14Standard Torque Specification475-485644-658
1-14Bolt-Crankshaft End290-310393-420
1/18-18Nut-Cam and Balance Shaft300-325407-441
1/4-28Bolt-Blower Drive Coupling to Rotor Gear16-1822-24
7/16-14Bolt-Blower to Block55-6075-81
Nut-Fuel Jumper Line-Stl to Inject13-1718-23
7/16-20Nut-Fuel Jumper Line CTD-Injector11-1315-18
9/16-12Bolt-Cylinder Head End 3-53 Alum170-180230-244
Bolt-Main Bearing Cap120-130163-176
9/16-18Bolt-Flywheel V53180-190244-258
5/8-11Bolt-Cylinder Head190-200258-271

Series 53 Pipe Plug

Plug Size (in.)CharacteristicTorque Specifications
1/8-27Plug-Pipe (3/4 Taper)10-1214-16
1/4-18Plug-Pipe (3/4 Taper)14-1619-22
1/4-18Plug-Pipe (7/8 Taper)14-1619-22
3/8-18Plug-Pipe (3/4 Taper)18-2224-30
3/8-18Plug-Pipe (7/8 Taper)18-2224-30
1/2-14Plug-Pipe (3/4 Taper)23-2731-37
1/2-14Plug-Pipe (7/8 Taper)23-2731-37
3/4-14Plug-Pipe (3/4 Taper)33-3745-50
3/4-14Plug-Pipe (7/8 Taper)33-3745-50
1-11 1/2Plug-Pipe (3/4 Taper)75-85102-115
1 1/4-11 1/2Plug-Pipe (3/4 Taper)95-105129-142
1 1/2-11 1/2Plug-Pipe (3/4 Taper)110-130149-176
1 1/2-11 1/2Plug-Pipe (7/8 Taper)110-130149-176
1/2-20Plug-Fuel Pump Relief Valve18-2224-30

Series 53 Stud

Thread Size (in.)Class & ApplicationTorque Specifications
7/16-14Stud-Exhaust Manifold25-4034-54
9/16-18Stud-Clutch Fork Ball65-7588-102