Is the Hour Clock display on Your Marine Tachometer Faulty? Would you like to get your original engine hours back?
Fixed Price $299 - Includes Return Freight
Is your tachometer hour clock display not working?
If your tachometer hour clock has failed or become inaccurate, our technicians will replace it — with a clear, fixed upfront price.
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Fixed price of $299 (includes return freight)
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Money-back guarantee
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1 year warranty
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Fast turn-around time (normally 1-2 days)
Fix My Tachometer
Why a Faulty Engine Hour Display Is a Problem
A faulty or unreadable engine hour clock can cause more than just frustration. Inaccurate engine hour readings may lead to:
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Incorrect servicing intervals
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Lower resale value of vessel
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Reduced reliability and safety
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Increased engine wear
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Risk of negatively affectting insurance claims
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Over servicing of engine and drive line
What's Included in Our $299 Marine Tachometer Hour Clock Service
Our fixed-price service removes uncertainty and gives you a reliable solution at less than a third of the price of a new tachometer, and you will keep your original engine hours!
This service includes:
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Replacement of hour clock LCD
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Cleaning of internal electrical components
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Replacment of back light globe
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Bench testing for accuracy and reliability
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Return freight included
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Money-back guarantee
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Our average turn around time is 1-2 days
🔔 Important Note:
At this point in time only hour clock screens measuring 24 mm wide × 8 mm high are repairable.
(We are working on solutions for tachometers with larger hour clock displays - stay tuned for updates)
Book A Service
Why Boat Owners Trust Thwaites Marine
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Certified marine technicians
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Trusted by recreational and commercial boat owners
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Proven experience across major marine engine brands
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Fast, reliable Australia-based service
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Proudly serving the marine industry for over 11 years
Contact Us Now
Fix Your Boat Tachometer Today
Avoid inaccurate engine hour readings that can lead to engine wear or damage. Get your marine tachometer professionally serviced by trusted experts at a fixed price.
Is my tachometer hour clock repairable? Fix your boat tachometer today! Send your tachometer to:
Thwaites Marine
4 Newcastle Drive, Toormina NSW 2452.
How to Remove a Tachometer from the Control Panel
Click to launch video.
Please complete the form below.
Marine Tachometer Hour Clock Brands We Repair
This service covers a wide range of marine engines and analogue gauge panels, including:
YANMAR ENGINES
- 1GM / 1GM10
- 2GM20
- 3GM30
- 2YM15
- 3YM20
- 3YM30
- 3JH4E / 3JH5E
- 4JH4E / 4JH4-TE
- 4JH5E
- 1GM / 1GM10
- 2GM20
- 2YM15
- 3GM30
- 3YM20 / 3YM30
- 3JH4E / 3JH5E
- 4JH4E / 4JH4-TE / 4JH5E
- 2LM
- 4JH / 4LH
- 6LP / 6LY (incl. 6LY2)
VOLVO PENTA ENGINES
- 2001, 2002, 2003
- 2003T
- MD5, MD7, MD11, MD17
- MD21, MD22
- MD29, MD30, MD31, MD32
- AQD40, AQAD40
- AQD41, AQAD41
- AQD42, AQAD42
- AQD43, AQAD43
- AQD44, AQAD44
- KAD32
- KAD42
- KAD43
- KAD44
- KAD300 (early installs)
- Early D3
- Early D4
- Early D6 (analogue panel packages)
MAN Engines
- D0826 series
- D0836 series
- D2840 series
- D2842 series
- D2848 series
- MAN 248 hp – 820 hp mechanical engines
- Early V8 and V10 leisure craft engines
- Early CRM mechanical injection variants
- D2840 LE
- D2842 LE
- D2848 LE401 / LE403 / LE404
- Early V10 & V12 mechanical leisure ratings
CUMMINS ENGINES
- 4B, 4BT
- 6B, 6BT
- 6BTA 5.9
- Early QSB mechanical panel installations
- C-Series
- 6CTA 8.3
- Early QSC installations with analogue panels
- L-Series
- 6LTAA
- Early QSL mechanical panel packages
- M & N Series (mechanical versions)
- N855 marine ratings
- KTA / KT series with analogue helm panels
Beta Engine
- Beta 10
- Beta 13.5
- Beta 14
- Beta 16
- Beta 20
- Beta 25
- Beta 30
- Beta 35
- Beta 38
- Beta 43
- Beta 45
- Beta 50
- Beta 60
- Beta 75
- Beta 105
Cat engines
- 3114
- 3116
- 3126 (early mechanical versions)
- 3208
- 3208TA
- Early 3196 installations
- 3406
- 3408
- 3412 (analogue panel installations)
Nanni N Series
- N2.10
- N2.14
- N3.21
- N3.30
- N4.38
- N4.43
- N4.50
- N4.60
- N5.90
- N5.115
- Some early T4 / T6 mechanical panel installations
We also service other marine engine manufacturers using VDO-type analogue gauges, including Perkins, Sole Diesel, Lombardini, MerCruiser, Detroit Diesel, John Deere, Scania, Iveco, and more.
