Stack ST400 & ST430 Professional Tachometers



ST400 3.5


Key Features

The original and still the best genuinely professional tachometer. This race-proven and award winning design guarantees exceptional accuracy and robustness over many years of use.

Professional Tachometers now feature RPM Data Logging and on-dial playback as standard recording up to 25 minutes of RPM history.


ST430 side on - fits standard 80mm cut-outs!


Easy-fit Shift Light Option
Optimising gear shifts is one of the most effective means of reducing lap times and these easy to fit options complement the Tachometer in helping the driver achieve perfect shifts.

Panel Mount Shift Light
(Available in Red, Amber & White)
Dash Top Shift Light
(Available in Red, Amber & White)

The ST400 Recording Tachometer was Stack's first product, which in its day (more than twenty five years ago) provided the only on-vehicle solution for accurate RPM display and logging. As a direct result, this unit immediately gained widespread acceptance with Formula One teams and all forms of professional motorsport.

These tachometers have a 3.5"/88mm bezel and are a direct replacement for most standard tachometers.


Also Available:

ST230C   ST200C/ST230C
Clubman Classics

Stack’s Clubman Classics range combine the best in modern electronic technology with “classic” styling (ST230C shown).

Choose from a range of RPM scales.

Click for details.



Stack’s Chronotronic tachometers are based upon the clubman architecture with styling and a digital stepper motor movement designed to faithfully replicate the original Chronometric units, whilst retaining the features and precision of a modern racing tachometer.

Click for details


  ST200 Clubman

For the serious performance enthusiast, the 80mm sized ST200 Clubman tachometer features the unique, extremely rugged STACK stepper-motor movement, with Digital Quartz accuracy for unparalleled precision. Available in a variety of RPM ranges in black and white dial faces.

Click for details.




Operating Temperature  -20 deg C to +70 deg C
Storage Temperature  -40 deg C to + 80 deg C
Accuracy Linear dials  +/- 0.6% over temperature range
Non linear dials  +/- 0.45% over temperature range
Humidity  0-95% Non-condensing
Vibration  10-55Hz 5mm pk; 55Hz-1KHz 30g 12 hours
Supply  0.25 Amperes @ 8-16 Volts D.C.
Nett Weight  ST400: 400 grams; ST430: 475 grams
Dimensions ST400 88mm (3.5in) diameter x 75mm (3.0in) deep
Fixing details ST400:  80mm (3.15in) diameter cut-out
Backlighting  Solid-state white LED
Shift RPM Limit  User adjustable within the range of the dial face
Electrical Outputs Pseudo open collector type (200 mA current sink maximum switched to battery negative)


ST400-25 Min

Record Capacity 25 Minutes

Record Interval 0.1 Seconds (10Hz)

Record Accuracy +/- 0.25% over total temperature range


ST400 Professional Tachometers

Item Number Description
ST400-08 Tachometer, Action Replay, 80mm, Black Dial, 0-8k RPM
ST400-0385 Tachometer, Action Replay, 80mm, Black Dial, 0-3-8.5k RPM
ST400-04105 Tachometer, Action Replay, 80mm, Black Dial, 0-4-10.5k RPM
ST400-0613 Tachometer, Action Replay, 80mm, Black Dial, 0-6-13k RPM
ST430-08 Tachometer, Action Replay, 125mm, Black Dial, 0-8k RPM
ST430-010 Tachometer, Action Replay, 125mm, Black Dial, 0-10k RPM


Display Options

Item Number Description
ST532 Dash Top Shift Light AMBER
ST533 Dash Top Shift Light WHITE
ST534 Dash Top Shift Light RED
ST536 Panel Mount Shift Light WHITE
ST537 Panel Mount Shift Light RED
ST538 Panel Mount Shift Light AMBER



Item Number Description
ST584 Installation Kit for ST400 Tachometer
ST594 Loom for ST400/430/C
ST510 2 Switch kit




Frequently Asked Questions

Further information can be found in our Troubleshooting Knowledgebase and FAQ sections.

Your Stack dealer will be happy to assist you further.


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Troubleshooting Knowledge Store

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Stack is a world-leading supplier of instruments, Data Logging, TPMS & ruggedised video-logging systems to motorsport, automotive & industrial customers worldwide.
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