fits make: Caterpillar.

( Brand: Jones Motrola ), ( Manufacturer Part Number: 5101-139 ), ( Jones Motorola Tachometer 5101-139: Vintage Ih Tractor Mechanical Tachometer ), ( Maximum Speedometer Value: 400 Rpm ), ( Unit Of Measure: Rpm ), ( Display Type: Analog ), ( Style: Vintage ), ( Features: Illuminated ), ( Item Width: 3 3/4 In ), ( Performance Part: No ), ( Color: Multicolor ), ( Vintage Tractor Mechanical Tachometer: Vintage Jones Motorola Tractor Mechanical Tachometer ), ( Material: Chrome, Metal ), ( Vintage Part: Yes ), ( Needle Color: Orange ), ( Type: Tachometer ), ( Jones Motorola International Harvester Tachometer 5101-139: Jones Motorola International Caterpillar Tachometer 5101-139 ), ( Country/region Of Manufacture: United States ), ( Item Weight: 2 Lbs )
The Jones Motola 5101-139 NOS Mechanical 0-400 RPM Tachometer is a precision instrument designed specifically for Caterpillar industrial applications. This tachometer, a reissue of a classic design, boasts a robust and reliable mechanism that offers consistent and accurate readings.
Crafted with precision engineering, the 5101-139 features a high-quality dial with easy-to-read numerals and a rotating needle for smooth and clear indication of engine speed. The dial is protected by a shatter-resistant, scratch-resistant glass face, ensuring long-lasting durability even in demanding industrial conditions.
The tachometer is designed to operate within a speed range of 0-400 RPM, making it ideal for a wide variety of Caterpillar engines. The mechanical design ensures reliable operation without the need for batteries or external power sources, making it a dependable choice for heavy-duty machinery.
The Jones Motola 5101-139 NOS Mechanical Tachometer is a perfect fit for Caterpillar engines due to its unique and specific mounting arrangement. It is designed to fit standard Caterpillar tachometer mounting holes, ensuring a secure and stable installation.
In summary, the Jones Motola 5101-139 NOS Mechanical 0-400 RPM Tachometer is a high-quality, reliable, and durable instrument designed for Caterpillar industrial applications. Its mechanical design, easy-to-read dial, and robust construction make it a reliable choice for monitoring engine speed in heavy-duty machinery.
Jones Motorola 5101-139 Tachometer for Caterpillar Engines (0-400 RPM)
Pros:1. Specific Application: This tachometer is designed for Caterpillar engines, ensuring a perfect fit and compatibility.
2. Wide RPM Range: The 0-400 RPM range makes it suitable for a variety of Caterpillar engines, covering both light and heavy-duty applications.
3. Mechanical Operation: Mechanical tachometers are often preferred due to their reliability, as they do not require batteries or electronic components.
4. Easy Installation: The tachometer is designed for easy mounting, making it a user-friendly option for DIY enthusiasts.
Cons:1. Limited Functionality: Compared to digital tachometers, this mechanical model does not offer additional features like data logging, Bluetooth connectivity, or backlighting.
2. Potential Inaccuracies: Mechanical tachometers can be less accurate than digital ones, especially in high-vibration environments.
3. Limited Customization: The design and display of the tachometer are fixed, which may not meet the preferences of some users.
Conclusion:The Jones Motorola 5101-139 Tachometer for Caterpillar Engines offers a reliable, easy-to-install solution for monitoring engine RPM in a specific application range. However, its limited functionality and potential inaccuracies may be a drawback for those seeking advanced features or high precision.
Recommendation:If you are looking for a simple, mechanical tachometer for your Caterpillar engine within the specified RPM range, the Jones Motorola 5101-139 could be a suitable choice. However, if you require additional features or higher precision, you may want to consider digital tachometers or models designed for a wider RPM range. Always ensure the tachometer you choose is compatible with your specific engine model before making a purchase.
APPLICATIONS, We took this tach in with a lot of tractor parts we bought, but there was no notes to the applications. Tach is in excellent condition. Tach is a 0-400 hundreds, 1-2 ratio, code G1. Tach is 3 1/8 in diameter the rear and 3/4 across face.
PART New old stock Jones Motorola model 5101-139 mechanical tachometer.