Part of the Case Repair Manuals.
Whether it sits on a bench or mounted to a test stand, this 298-page Case 6T-830, 6TA-830 service manual pdf (OEM 7-65441) provides the factory data required to overhaul these diesel engines. The document details teardown sequences for the cylinder block, crankshaft, and camshaft, breaking down main bearing clearances and piston installation. Complete procedures guide you through servicing the fuel injection pump timing and adjusting the HX40W turbocharger. You will find highly specific tolerances throughout the chapters, such as the 21 to 27 Nm torque value for the injector retaining bolt and the 200 Nm specification for early cylinder head bolts. Bookmarked and searchable, it keeps the exact numbers for this engine on your bench.
What's Inside This Case 6T-830, 6TA-830 Manual
| System | Pages | Key Topics |
|---|---|---|
| Standard Torque Specifications | 4-9 | Decimal Hardware, Metric Hardware, Steel Hydraulic Fittings |
| Loctite Product Chart | 10-17 | Threadlockers, Instant Adhesives, Gasket Eliminators, Flange Sealants, Pipe and Hydraulic Sealants, Primers and Cleaning Solvents |
| Specification Details | 18-27 | Run-In Instructions, Engine Specification Details |
| Cylinder Block | 28-69 | Cylinder Head Removal, Cylinder Head Disassembly and Inspection, Cylinder Head Assembly |
| Crankshaft, Pistons, Rod, Sleeves, Camshaft, Bearings, Seals and Flywheel | 70-158 | Servicing the Engine Block, Crankshaft and Main Bearings, Camshaft |
| Lubrication System | 159-174 | Oil Pump Service, Oil Filter Housing and Oil Cooler, Oil Pan and Oil Inlet Tube Service |
| Cooling System | 175-188 | Water Pump Service, Thermostat Service, Belt Tensioner Service |
| Turbocharger | 189-214 | Servicing the Turbocharger, Disassembly, Inspection After Disassembly |
| HX40W Turbocharger | 215-240 | Turbocharger Service, Disassembly, Cleaning and Inspection |
| Injection Pump | 245-276 | Servicing the Fuel System, Injection Pump Timing |
| Fuel Injectors | 277-298 | Testing Injectors, Injector Service, Injector Adjustments |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Water hose clamp torque | 4 to 6 Nm | p. 16 |
| Aftercooler mounting bolts torque | 21 to 27 Nm | p. 16 |
| Fuel Filter Inlet Fitting | 21 to 27 Nm | p. 31 |
| Fuel Filter Outlet Fitting | 21 to 27 Nm | p. 31 |
| Injector Retaining Bolt | 21 to 27 Nm | p. 31 |
| Replacement Gasket Thickness | 0.27 mm, 0.48 mm | p. 60 |
| Fuel System Operating Pressure at Rated Speed | 20 to 25 PSI (140 to 172 kPa) | p. 241 |
| Injector Retaining Bolt Torque | 18 lb ft (24 Nm) | p. 280 |
| Crossover Tube Clamps Torque | 4 to 6 Nm | p. 13 |
| Cylinder Block Main Bearing Bore | 104.987 to 105.013 mm | p. 21 |
| 6TA-830 | ||
| Cylinder Head Bolt Torque (Engine Service No. 44487830 and After) | Step 1: 70 Nm, Step 2: 142 Nm | p. 62 |
| Prior to Engine Serial Number 44487830 | ||
| Cylinder Sleeve Protrusion Above Block | 0.015 to 0.109 mm | p. 21 |
