Menu
Search
888.687.0539

Our office will be closed 9/7/2026 in observance of Labor Day. Orders placed during this time will be processed when our office opens 9/8/2026.

Our office will be closed 9/7/2026 in observance of Labor Day. Orders placed during this time will be processed when our office opens 9/8/2026.

Search by Part Number Close
Shopping cart Close

You have no items in your shopping cart.

Menu Close

Murphy AT Series Tachometers

Murphy AT Series Tachometer

The AT Series tachometers are rugged, transistorized instruments with solid-state circuitry for indication of engine RPM.

AT Series Tachometers Specifications

Dial (Face Plate)
270° sweep
Power Input
11-28VDC (70 mA-120 mA except lamp load)
Publications
Murphy AT Series Data Sheet
AT-30 (20700245)

ALTERNATOR SIGNAL TACHOMETER (BLACK STAINLESS STEEL BEZEL)

$182.28

AT-30-A (20700246)

ALTERNATOR SIGNAL TACHOMETER

$182.28

AT-30-C (20700248)

TACHOMETER (3000 RPM, ANALOG)

$182.28

ATH-30 (20700249)
Hassle-Free Return Item

TACHOMETER (3000 RPM, ANALOG)

$235.51

ATH-30-A (20700250)
Hassle-Free Return Item

TACHOMETER/HOURMETER

$235.51

ATH-30-B (20700251)

TACHOMETER

$235.51

ATH-30-C (20700248)

TACHOMETER (3000 RPM, ANALOG)

$235.51

ATH-40-A (20700254)
Restocking Fee Applies

TACHOMETER/HOURMETER, 12/24 VDC, 4000 RPM

$235.51

888.687.0539 (U.S.)|225.706.4858 (Int.)

Monday-Friday 7am-5pm CST
8784 S. Choctaw Dr. Baton Rouge, LA 70815
company information
Resources
Returns

Payment options

Complete your payment with a Visa card Complete your payment with a Master card Complete your payment with an American Express card Complete your payment using PayPal
Diesel Parts Direct BBB Business Review

Caterpillar® and all of the Caterpillar® engine models listed on this website are registered trademarks of Caterpillar, Inc. Cummins® and all of the Cummins® engine models listed on this website are registered trademarks of Cummins. Detroit Diesel® and all of the Detroit Diesel® engine models listed on this website are registered trademarks of Daimler AG. John Deere® and all of the John Deere® engine models listed on this website are registered trademarks of John Deere. Allison Transmission® and all of their transmission models listed on this website are registered trademarks of Allison Transmission®. Diesel Parts Direct is not an authorized dealer for Caterpillar, Cummins, Detroit Diesel, John Deere, or Allison Transmission. None of the parts beginning with "DS" or "R" are genuine Caterpillar, Cummins, Detroit Diesel, John Deere, or Allison Transmission items.

Copyright © 2026 Diesel Parts Direct. All rights reserved.
CID: 2