Caterpillar 3508 Diesel Engine Service Manual

Caterpillar 3500 Series Diesel Engine Technical Scope

• Covers 1986–up Caterpillar 3508, 3512, and 3516 Industrial diesel engines in 60-degree V-8, V-12, and V-16 configurations.
• Official Caterpillar publication Form No. SENR2995, dated July 1986.
• Contains 68 exploded-view technical illustrations, 6 detailed system schematics, and 28 primary torque and specification tables.
• Accessible from your device as soon as the order is placed.
• OCR text layer lets you jump to a torque spec by keyword.
• Suitable for printing individual sections for shop-floor use.
• Permanent availability in your purchase account — no re-buy required.
• This original OEM publication provides the official specifications and assembly procedures for the 3500 engine line, excluding the deleted alternator and starter motor reference chapters.

Component and System Documentation

This Caterpillar 3508, 3512, and 3516 service manual documents engine design, fuel injection, air induction, and lubrication systems. It outlines specifications for engine attachments, including camshafts, cylinder heads, turbocharger impeller installation, and exhaust manifolds. The factory workshop documentation is structured to provide precise measurements for basic engine components like connecting rods, main bearing journals, and flywheel housing runout. Chapters also detail hydramechanical protective systems and the electric protective system, covering everything from overspeed settings to sensor verification procedures.

Specification and Calibration Data

Detailed technical data includes tightening torque values for bolts, nuts, and taperlock studs in both Nm and lb-ft. Intake valve clearance for the 3500 series is listed at 0.38 mm in the cylinder head specification table. Exhaust valve clearance is documented at 0.76 mm throughout the engine design section. The manual provides camshaft lobe lift data, fuel pressure regulator settings ranging from 415 to 620 kPa, and cooling system capacities. Reference only — always consult a certified technician before performing service on this equipment. An official 650-page Caterpillar OEM technical manual covering the 3508, 3512, and 3516 engine line, documenting assembly, specifications, and system operation for 60-degree V-series industrial configurations.