Caterpillar

Cat 3516C Marine Propulsion

Cat 3500 series V16 marine propulsion engine used in workboats, offshore and commercial vessels.

Per Hersteller-Datenblatt

Kapazität

Diesel

Medium

Engine Specifications

Zylinder

170 mm

Bohrung

190 mm

Hub

4-stroke high-speed

Taktung

🔧 Komponenten & Aufbau 3

Engine Control Unit (ECU / ECS) Caterpillar

Cat 3516 ECM (Electronic Control Module)

common failures: ['ECM software fault requiring reflash', 'Sensor input harness corrosion in marine environment', 'Power supply voltage spike damage', 'Communication bus error with vessel control system']

source family: Cat 3500 Series

💡 Full-authority ADEM ECM controls injection timing, fuel quantity, and engine protection. Keep spare ECM on board.

Lead time: 4 Wo.

Fuel Valve (Injector Nozzle) Caterpillar

Cat 3516 MEUI Unit Injector

common failures: ['Injector tip erosion', 'Solenoid coil failure', 'O-ring leakage causing fuel dilution of lube oil', 'Injection timing drift']

source family: Cat 3500 Series

💡 Mechanically-actuated, electronically-controlled unit injector (MEUI). Replace at 8,000-12,000 hrs or per oil analysis.

Lead time: 3 Wo.

Scavenge Air Cooler (SAC) Caterpillar

Cat 3516 Aftercooler (SCAC)

common failures: ['Core fouling from oil/soot carry-over', 'Coolant leakage from tube corrosion', 'Condensate drain blockage']

source family: Cat 3500 Series

💡 Separate-circuit aftercooler (SCAC). Clean air side at 4,000 hrs. Pressure test coolant side annually.

Lead time: 6 Wo.

📊 Technische Daten

rpm None

⚠️ Typische Ausfälle

● Injector tip wear
● Turbocharger fouling
● Aftercooler leakage
● Cylinder head cracking under thermal stress

🔍 Service & Wartung

Caterpillar marine engines follow scheduled preventive maintenance including oil sampling, filters, valve lash and injector checks.

📦 Verschleißteile

Verschleißteile-Daten werden ergänzt…

Keep filters, injectors, water pump kits, thermostats, belts, sensors and turbocharger service kits.

Equipment-Model #36822 · ✓ noch in Produktion