173522 Datcon Hour Gauge | Genuine Used Part

🔧 Product Description

Genuine Datcon Model 776 CU Hour Meter - Part Number: 173522

A genuine Datcon analogue hour meter used to record accumulated operating time on marine, industrial and mobile equipment.

The meter is identified as Datcon Model 776 CU and part number 173522. It uses a non-resettable odometer-style display and operates from a broad DC voltage range, making it suitable for many 12-volt and 24-volt installations.

⚙️ Key Features

• Genuine Datcon hour meter

• Datcon part number 173522

• Model 776 CU

• Non-resettable accumulated-hour display

• Broad approximately 8-50 VDC operating range

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 173522 documented Datcon instrument reference

• Model 776 CU identifies the gauge family

• No confirmed direct superseding Datcon number

OEM / Related Numbers:

• Datcon: 173522

• Datcon model: 776 CU

• Related ignition-switched power and ground wiring

• Related mounting bracket and illumination wiring where fitted

Aftermarket / Verified Equivalents:

• Current Datcon 12/24-volt hour meters - functional replacements

• Datcon model 871 hour meter - functional alternative

• ENM T40-series DC hour meter - functional alternative

• Faria, VDO and Sierra non-resettable hour meters - functional alternatives

• Replacement dimensions and voltage rating must match the installation

🚤 Compatibility

Commonly used on:

• Marine diesel and petrol engines

• Boats, generators, construction equipment and industrial machinery

• 12-volt and 24-volt switched electrical systems

• Instrument Type: Electrical elapsed-time meter

• Display Type: Mechanical odometer

• Voltage Range: Approximately 8-50 VDC

• Application Selection: Controlled by voltage, cutout size and mounting depth rather than engine brand

🔌 Function

The hour meter advances while electrical power is applied, providing a permanent operating-time record for servicing and maintenance.

Common signs of failure:

• Meter does not advance when powered

• Meter advances when the ignition is left on but the engine is stopped

• Digits become unreadable

• Internal mechanism becomes noisy or sticks

• Electrical terminals corrode

• Moisture enters the gauge case

📦 Condition

• Genuine used part

• Existing recorded hours remain displayed

• In good working condition unless otherwise stated