Rebuilding one of these big diesels? This 192-page Perkins 2806C-E18 TAG1, TAG2, TAG3 Shop Manual PDF (OEM #TPD 1517E) walks you through complete disassembly and rebuild of the 6-cylinder turbocharged engine, straight from the factory. You get a full chapter of recommended torque figures, wear-limit specifications for valves, guides, liners, and main bearings, plus step-by-step procedures for the cylinder head, pistons and connecting rods, crankshaft seals, gear train timing, turbocharger, electronic fuel injector units, and coolant pump. Special tool lists and ECM service round it out. Set inlet tappet clearance to 0.38 mm, exhaust to 0.76 mm, and check the nominal 145 mm bore against liner limits before you order parts. Forum threads won't rebuild your bottom end. Bookmarked chapters and a live text layer take you straight to any spec; download it and get back on the crank.
What's Inside This Perkins 2806C-E18 TAG1–TAG3 Manual
| System | Pages | Key Topics |
|---|
| General Information | 11-16 | Safety Precautions |
| Specifications | 17-36 | Basic Engine Data, Rocker Assemblies, Valves, Valve Guides, Valve Springs, Valve Seat Inserts, Cylinder Head, Camshaft and Bearings |
| Cylinder Head Assembly | 37-66 | Rocker Cover, Rocker Lever and Rocker Shaft Assemblies, Valve Springs, Valves |
| Pistons and Connecting Rod Assemblies | 67-74 | Pistons and Connecting Rod, Piston Cooling Jets |
| Crankshaft Assembly | 75-88 | Crankshaft, Early Type of Crankshaft Front Seal and Wear Sleeve, Early Type of Crankshaft Rear Seal and Wear Sleeve, New Type of Front Crankshaft Oil Seal |
| Gear Case and Drive Assembly | 89-100 | Gear Case Cover, Camshaft Gear, Adjustable Idler Gear and Axle, Main Idler Gear, Compound Idler Gear, Gear Case |
| Crankcase and Cylinder Liners | 101-106 | Front Engine Support, Cylinder Liners |
| Engine Timing | 107-110 | TDC Setting, Timing Gears, Camshaft Gear, Crankshaft Gear, Idler Gear, Backlash |
| Aspiration System | 111-124 | Breather Pipe, Air Filter Assembly, Air Intake System, Charger Cooler Pipes, Turbocharger, Exhaust Manifold |
| Lubrication System | 125-134 | Oil Filter Element, Oil Filter Head, Sump, Lubricating Oil Pump |
| Fuel System | 135-144 | Electronic Fuel Injector Units, Fuel Priming Pump, Fuel Transfer Pump, Drive for the Fuel Transfer Pump, Fuel Filter Header, Low Pressure Fuel System |
| Cooling System | 145-164 | Radiator, Fan Drive Assembly, Engine Oil Cooler, Thermostats and Thermostat Housing, Coolant Pump |
| Flywheel and Housing | 165-170 | Flywheel, Flywheel Housing |
| Electrical Equipment | 171-182 | Starter Motor, Alternator, Electronic Control Module, Inner Wiring Harness of the Rocker Cover, Temperature Sensor, Camshaft and Crankshaft Speed Position Sensor |
| Auxiliary Equipment | 183-184 | Oil Sample Valve |
| Special Tools | 185-192 | List of Special Tools |
Quick Reference Specifications
| Specification | Value | Page |
|---|
| Thermostat opening distance | 10,4 mm (0.41 in) | p. 160 |
| Nominal bore | 145 mm | p. 17 |
| Nominal stroke | 183 mm | p. 17 |
| Inlet valve tappet clearance | 0.38 mm | p. 45 |
| Exhaust valve tappet clearance | 0.76 mm | p. 45 |
| Cylinder liner protrusion | 0.025 to 0.152 mm | p. 104 |
| Engine dry weight | 2050 kg | p. 16 |
| Cylinder head bolt torque (final) | 450 Nm | p. 51 |
| Main bearing cap bolt torque | 260 Nm | p. 77 |
