https://www.moyermarineforum.com/forums/showthread.php?t=11410 <https://www.moyermarineforum.com/forums/showthread.php?t=11410&highlight=tachometer> &highlight=tachometer
Here you go: This is a short thread on hooking it up and making a diesel tach work on an Atomic 4. The eBay link still works. Joe Della Barba Coquina C&C 35 MK I Kent Island MD USA From: Della Barba, Joe via CnC-List <cnc-list@cnc-list.com> Sent: Thursday, April 27, 2023 8:27 AM To: Stus-List <cnc-list@cnc-list.com> Cc: Della Barba, Joe <joe.della.ba...@ssa.gov> Subject: Stus-List Re: [EXTERNAL] Re: Universal Westerbeke Tachometer/Hour Meter I have a Chinese knockoff of that tack I got for $32 on Fleabay and so far, so good. Joe Coquina From: Dennis C. via CnC-List <cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com> > Sent: Wednesday, April 26, 2023 8:23 PM To: CnClist <CnC-List@cnc-list.com <mailto:CnC-List@cnc-list.com> > Cc: Dennis C. <capt...@gmail.com <mailto:capt...@gmail.com> > Subject: [EXTERNAL] Stus-List Re: Universal Westerbeke Tachometer/Hour Meter Well, I pulled Touche's engine panel today and lo and behold, the label on the tach says Datcon 71725-00. So don't pay $350 for the Westerbeke part when you can order the same part for $150, -- Dennis C. Touche' 35-1 #83 Mandeville, LA On Sun, Apr 23, 2023, 8:06 PM Dennis C. <capt...@gmail.com <mailto:capt...@gmail.com> > wrote: Well, gosh darn. Touche's engine hour meter died (or went to sleep). Engine is Universal 25XPB. Boat is in yard 4 hours away so I'm just probing around the web for options. First, it may be repairable. Might just be a poor connection. I probably won't tackle it until I get the boat back to its home slip in Louisiana in a couple weeks. An hour meter isn't that critical. However, on the chance that it isn't repairable, I have two options. First, install a stand alone waterproof hour meter. Cost $20-40 depending on selection and another hole in the bulkhead. Second, replace the tachometer/hour meter. Did that once already. Here's where it gets interesting. It's Westerbeke part 011917. Typical online price is about $340 US. https://westerbeke.com/Product/METER/011917?productname=METER <https://westerbeke.com/Product/METER/011917?productname=METER&productid=54202996DAF73B1CA82D59C6> &productid=54202996DAF73B1CA82D59C6 So I Googled "tachometer/hour meter" and probed around. Guess what? A Datcon 71725-00 tach/hour meter for about 1/3 of Westerbeke's price. Looks identical. Spec says data source is alternator which I believe the 25XPB is. Here's the tach: https://vehiclecontrols.com/shopping/shop700/products1/453057044-71725-00-datcon-tachometer-with-hourmeter-4000rpm/ Very interesting. Could this be the same tach? 3 3/8" hole. Next time I'm on the boat, I'll verify the diameter and alternator data sensor. If I can't repair it, I'll replace it with the Datcon. Anybody know why I shouldn't?
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