Faria Chesapeake Black 4 Tachometer – 4000 RPM (Diesel)

Faria Chesapeake Black | Dedicated Diesel Tachometer

Faria Chesapeake Black 4-inch Diesel Tachometer addresses the specific low-RPM tracking needs of compression-ignition engines by providing a specialized 4000 RPM scale. By utilizing a signal processor tuned for alternator tap or magnetic pickup inputs, the system mitigates the “needle lag” often associated with heavy-duty diesel monitoring, providing a fluid representation of engine torque. This architectural focus ensures that diesel vessel operators can maintain engine loads within the optimal power band, preventing soot buildup and ensuring the longevity of the propulsion system in demanding offshore environments.

Beyond the raw RPM data, the gauge features a professional-grade stainless steel bezel and a domed glass lens. In demanding marine conditions, it’s vital to calibrate the unit using a handheld tachometer to ensure the alternator signal matches the actual crankshaft speed. System performance depends on terminal integrity; don’t leave the rear studs exposed to salt spray without protective boots, as terminal oxidation can introduce resistance that leads to erratic needle movements and inaccurate fuel consumption calculations during long-range transits.

Technical Specifications

• Range: 0-4000 RPM specialized for diesel engines.
• Size: Standard 4-inch (85mm) console mounting.
• Signal: Compatible with alternator “W” terminal or magnetic sensors.
• Style: Chesapeake Black with high-visibility white graphics.
• Bezel: Corrosion-resistant polished stainless steel.
• Lighting: Peripheral lit dial for glare-free night use.
• Protection: Anti-fogging design for humid engine rooms.