Part of the Case IH Repair Manuals.
This is the factory Case IH service and repair manual for the 6TAA-8304 (8.3 L) and 6TAA-9004 (8.9 L) six-cylinder turbocharged, air-to-air aftercooled diesel engines - the Case IH-badged Cummins 6C platform fitted to 2377 and 2388 combines and Magnum 225, 250, 280, 310 and STX280/STX330 tractors. Across 966 pages it covers the complete engine: block, crankshaft, pistons and rods, cylinder head and valve train, the fuel injection and air intake systems, cooling with wet-sleeve and DCA coolant-additive service, lubrication, exhaust and starting. You get the real factory service limits, clearances, valve lash and tightening torques needed for a full teardown, measurement and rebuild.
What's Inside This Case IH 6TAA-8304 / 6TAA-9004 Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| Engine | Cylinder Block, Crankshaft, Pistons and Connecting Rods, Camshaft, Cylinder Head, Valve Train, Service Limits and Clearances | |
| Fuel and Injection System | Injection Pump, Injectors, High-Pressure Lines, Fuel Filters, Injection Timing | |
| Air Intake System | Turbocharger, Air-To-Air Aftercooler, Intake Manifold, Air Cleaner | |
| Exhaust System | Exhaust Manifold, Muffler, Exhaust Gas Recirculation | |
| Engine Coolant System | Water Pump, Thermostat, Radiator, Wet Cylinder Sleeves, Dca Coolant Additive Service | |
| Lubrication System | Oil Pump, Oil Cooler, Oil Filter, Pressure Regulation | |
| Starting System | Starter Motor, grid/intake Air Heater, Charging |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| 6TAA-8304 / 6TAA-9004 | ||
| Configuration | 6-cylinder inline, turbocharged air-to-air aftercooled diesel | |
| Firing order | 1-5-3-6-2-4 | |
| Intake valve lash (cold) | 0.305 mm (0.012 in) | |
| Exhaust valve lash (cold) | 0.559 mm (0.022 in) | |
| 6TAA-8304 | ||
| Displacement, 6TAA-8304 | 8.3 L (504.5 in3) | |
| Bore x stroke, 6TAA-8304 | 114 mm x 135 mm (4.49 in x 5.32 in) | |
| Dry weight, 6TAA-8304 | 694 kg (1530 lb) | |
| 6TAA-9004 | ||
| Displacement, 6TAA-9004 | 8.9 L (540.0 in3) | |
| Bore x stroke, 6TAA-9004 | 114 mm x 144.5 mm (4.49 in x 5.69 in) | |
| Dry weight, 6TAA-9004 | 706 kg (1555 lb) | |
| Valve train | ||
| Rocker arm cap screw torque | 65 Nm (48 lb ft) | |
