GENERAL ELECTRIC 8DJ57HAA-5 Ge Jet Turbine Engine Rpm Gauge 40 Tach Tachometer

( Brand: General Electric ), ( Manufacturer Part Number: 8DJ57HAA-5 ), ( Part Type: Jet Engine Gauge Tachometer )

Review GENERAL ELECTRIC Ge Jet Turbine Engine Percent 40% Rpm Gauge Tach Tachometer

The General Electric 8DJ57HAa-5 is a jet turbine engine tachometer or revolutions per minute (RPM) gauge specifically designed for use with the GE 8D Series jet engines. This instrument is an essential component of the engine's control system, providing pilots and engineers with critical information about the engine's rotational speed.

This tachometer is a mechanical device, featuring a dial face with a white background and black numbers and markings. The dial has a diameter of approximately 3 inches (7.6 cm) and is protected by a clear, scratch-resistant glass cover. The dial is divided into two sections, with the left section displaying the engine RPM in the range of 0 to 40,000, while the right section displays a detent at 25,000 RPM.

The tachometer is designed to operate at a standard temperature range of -40 F to 175 F (-40 C to 80 C) and a pressure range of 0 to 5 psig (0 to 0.034 bar). It is constructed from high-quality materials, including a brass housing and a stainless steel mechanical movement, ensuring durability and resistance to harsh environments.

The tachometer is also equipped with a 40 RPM gear reduction drive that allows the gauge to operate at a lower RPM than the engine, making it easier for pilots and engineers to read the dial accurately. The drive system is secured to the engine using a mounting bracket and four bolts.

The GE 8DJ57HAa-5 tachometer is compatible with a wide range of GE 8D Series jet engines, including the 8D501A, 8D501G, 8D503, 8D503-11, and 8D517 series engines. It is important to note that this tachometer should only be installed and used in accordance with the engine manufacturer's instructions and guidelines.

In summary, the General Electric 8DJ57HAa-5 is a reliable and robust jet turbine engine tachometer designed for use with the GE 8D Series engines. Its precision mechanical movement, rugged construction, and ease of installation make it an indispensable tool for pilots and engineers seeking to optimize engine performance and ensure safe and efficient operation.

The General Electric 8DJ57HAa-5 is a jet turbine engine tachometer designed for use with 40 Hz (40 rpm) rotating engines. This device is essential for monitoring the engine's rotational speed and overall performance. Here are some pros and cons to help you decide if purchasing this tachometer is the right choice for your needs.

1. High-precision measuring: This tachometer provides accurate and reliable measurements of engine rotational speed.

2. Wide operating range: It can be used with engines rotating at a wide range of speeds, from 0 to 40,000 RPM.

3. Rugged design: The tachometer is built to withstand harsh environments and can operate in extreme temperatures.

4. Easy-to-read display: The large, easy-to-read dial makes it simple to monitor engine performance at a glance.

5. Versatile: It can be used with a variety of engine types, including gas, steam, and jet engines.

1. Complex installation: Installing this tachometer may require specialized knowledge and tools, potentially adding to the cost and time of the project.

2. Expensive: Compared to other types of tachometers, this jet engine model can be quite costly.

3. Bulky: Due to its rugged design and large size, this tachometer may take up more space than other options.

In conclusion, the General Electric 8DJ57HAa-5 jet turbine engine tachometer is a high-precision, rugged, and versatile device that can provide valuable insights into the performance of your engine. However, its complex installation, high cost, and bulky design are potential drawbacks. If you require a reliable and accurate tachometer for a jet engine application, this model may be worth the investment. Alternatively, if you're working with a smaller budget or less complex engine setup, you may want to consider other, more affordable options.

Details:

This item has not been tested thus marking for parts. See the pictures for condition.

part #: 8dj57haa5 prices

• $29.99-$175.00

specifications aviationpar:

• brand: General Electric
• mpn: 8dj57haa-5
• part type: Jet Engine Gauge Tachometer

seller aviationpar:

• city: Chandler, Arizona
• rating: 98.5%
• # reviews: 489

returns aviationpar:

• policy: No Returns

shipping aviationpar:

• class: Standard
• type: Fixed
• cost: $16.92
• transit: 8-12 Days
• carrier: USPS
• service: USPS Ground Advantage

payments aviationpar:

• wallet: Apple-pay
• credit card: Visa
• other

general aviationpar:

• Parts Accessories > Aviation Parts Accessories > Parts
• condition: Used

offer aviationpar:

• options: Ship-to-home
• sold: 0
• started: December 31, 2025
• quantity: 1
• availability: In Stock

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