Perkins 4108 rpm. On line all I can see is that the 4.


  1. Perkins 4108 rpm. Jun 9, 2014 · The perkins averaged . 108 Engine. 2 knots (major overheating) After with 18x13 prop: Exact Speed at 2000 RPM 4. I didn't get much of a response. I´m looking for some advise on the operating range ((rpm´s v. The tachometer was reading close to 1500. 982. Dynamo cut in speeds were quite low, and they were self energising, typically 500 rpm. When coming home it was a bit of nasty weather wise. Sep 16, 2006 · baisse de régimme 4108 merci pour tes suggestions, et merci aussi à tout le monde. Tried a bunch of things but concluded that the heat exchanger was too small or the raw-water intake was too small. My question regards the max RPM which I can achieve. We had a max prop and the best smooth cruising rpm was about 2300-2400 if I remember right. Two blade prop and a 36 foot boat 1700lbs. View and Download Perkins 4. 974 until 1. Perkins 4108, 5000 hours and AFAIK the prop is the same one fitted to the boat 25 years ago. That would make the top cruising RPM 2880. 3 blade fixed pitch (unknown) but 5 knots at 1900 rpm with a fairly foul bottom. Perkins engines 4. 2 Knots Temp 175F Throttle wide open is 3500 RPM Red Line is 4000 RPM 4108 perkins rear main leak :/ Svsilvergirl: Engines and Propulsion Systems: 16: 16-02-2017 13:52: Perkins 4108 diesel leak at fuel line connections: Mike OReilly: Engines and Propulsion Systems: 19: 03-07-2016 16:39: Perkins 4108 air leak? SV gypsy spirit: Engines and Propulsion Systems: 17: 03-05-2015 19:57: Oil Cooler hookup on Perkins 4108 Mar 11, 2014 · Perkins 4108. 108 Series: Optimum rpm operating range: Mike Wein : 8 - 05-Jul-06 Original Post : 03-Feb-06 : 20 year old Perkins 4108 naturally asperated deisel engine in a Freedom 40 sail, 1. For a diesel, the best specific fuel consumptions are found in the diesels higher RPM ranges. In neutral 3800 rpm (no smoke). 13. It gets better with newer externally regulated alternators like balmar but can still be off. 6 gallons to 0. 108 workshop manual online. 108(M) MARINE DIESEL Design Features and Standard Equipment 51 bhp (38 kW) at 4000 rev/min 4. It is specifically designed for use in marine applications and is often used in sailboats, motorboats, and other types of water Jul 14, 2004 · I have just purchased a vessel fitted with a Perkins 4108 engine. hull speed (8. C'est vieux monsieur, je le ménage. Mar 17, 2018 · Re: Swapping Perkins 4108 to Beta 50 So running a 26000 lb boat with a Beta 50 at 2200 rpm which is 42 hp @ 1 gallon ph is Too much for a Walters Vdrive? I’ve read that ideal size of engine is 1hp per 500lbs. Oct 5, 2009 · Were at 2000 rpm’s going and 2100 rpm’s coming home. 4) / 3 blad Additionally, the 4. 8 gallons (2. Rebuild Your Perkins 4. 5. 8 gal/hr. I could run @ 2400 all day long. 8 Knots Temp 175F Exact Speed at 2500 RPM 5. I disconnected the throttle cable from the lever on the injector pump and adjusted the connection to the last notch, which brought the lever to the lowest speed possible, which was about 800. This year they are doing a variety of patchwork tasks to keep the Perkins 4108 alive and well. The Perkins 4. 108 marine diesel is a smooth compact unit widely specified for both performance and good fuel economy. We have the prop set up for max rpm of 2800 at a speed of 7. So, we removed the coolant reservoir. In place of fully assembled marine engines, Trans Atlantic Diesels now offers a comprehensive range of components for the “Qualified Do It Yourselfer” or your local qualified mechanic/machine shop to assemble your own 4. 9" Hg air pressure (sea level) and 68 F intake-air temperature, These graphs indicate the performance of the Perkins 4. This measurement is helpful because it gives you an idea of how fast a machine is running. 108 MARINE DIESEL The Perkins 4. My 1984 Perkins 4108 low oil pressure alarm went off on idle and after checking the oil and noticing it was "fine" I replaced the sensor. la carenne bien que nettoyée il y a 9 mois n'est pas spécialement sale à mon avis, légèrement verdatre et des petits coquillages sur l'hélice et le safran (rugueux au touché). Ignored. Feb 22, 2018 · Ahoy, I am connecting my Perkins 4108 temperature and RPM to a N2K network . 108 Series: How to determine my engines horsepower: Concert Boy : 3 - 10-Apr-08 Original Post : 09-Apr-08 : I have a 1966 25,000lbs sailboat with a perkins 4108 though a 2-1 vdrive which will reach 4000 rpm in neutral. 1 - Ca ne sert à rien de chercher à planer au moteur avec une coque à déplacement (merci PaulK). The manual refers the peak power being up around 3000 rpm. Speed at 2200 RPM 6. So far isolated the raw water system (OK), disconnected the house heat exchanger (no effect) but think the engine has isolated hot spots especially near the temp sender at the rear of the engine. it is way to corroded and spewed oil all over my engine room and bilge . 108 Perkins Engine. With the engine unloaded (transmission in neutral) maximum RPM is 4000 (limit of my tach). You only need to purchase the items necessary for your level of Aug 22, 2017 · The Perkins engine is a little engine that could and it did. About 2200-2300 RPM is right for mine (42' 27. The previous owner seemed reluctant to exceed 1900 rpm at which she was only doing 4. Make sure it's not lower then 600 rpm. 354 & others (using Delco 7127 alternator). It is a four cylinder unit of 1. 108 at 2000 RPM, the average fuel consumption is about 0. Aug 29, 2023 · We are about to head from Salem, MA to Nantucket through the Cape Cod Canal and Woods Hole. Glad it's gone. Thread starter clyst; Start date 11 Mar 2014; 11 Mar 2014 In "sail assist" mode running at approx 1500 rpm we used circa 2 ltrs per hour and working Standard Engine Harness Connections - For Faria Euro White & Datcon Panel. Find Top-Quality Perkins Engine Essentials at Heavy Duty Pros. Sep 28, 2006 · Approx. As I recall, the Perkins 4-108 manual specifies the MAX RPM for a pleasure boat at 3600 RPM, which would suggest a maximum continuous/cruise engine speed (80% of max. Hope you do better. Indirect injection Our 1988 41' Passport is loaded big time to 36,000lbs. perkins 4108 de 1983 embarqué Oct 25, 2008 · Having problems with a friends Perkins 4108. 108 Series: Perkins 4108 overheating: David L : 7 - 02-Oct-01 Original Post : 15-May-01 : Hi Can anyone help with an overheating Perkins 4108? We have purchased an Alden designed sloop with a Perkins 4108 motor. Jun 6, 2016 · This helped a lot with the initial smoke but the rpm's under load didn't improve. Realistically and in service, it was a 40 hp continuous rated engine at 3000 RPM. _____ My 4108 runs a generator. 108 which the owner insists is rated at 36HP. 108(M) Performance Horsepower and torque ratings shown on this graph represent engine performance at standard conditions of 29. Either way, no big deal as my normal cruise power was 2100 RPM. The transmission is a Hurth with a reduction ratio of 1. Because of its rugged and quiet cast iron design, relatively low revving operation and low cost replacement parts, the Perkins 4108 marine diesel engine was widely adopted and many thousands are still in use some 60 years after their launch. No leaks/no steam. I wait for the wind to blow in the right direction so I don’t smoke out the neighboring boats on This might seem a question that can easily be answered on t'internet, but I am looking at a boat with a P 4. Despite it being a new color, Foley has kept the Perkins Marine Blue name for the paint color. Sep 30, 2005 · Hi Friends, I have a Perkins 4108 50hp I just rebuilded one month ago, before the motor runs in 160 at 2000 to 2400 rpm and now 190 to 210. hat is the proper idle speed. Jan 21, 2012 · This Tech Tip, one in a series we publish on Perkins diesel engines, discusses the various upgrades that go into our Not Your Father’s Perkins 4108 Engine. Amicalement, Gio Sep 4, 2013 · When my boat was repowered with a Perkins 4. 108, the initial idle speed was too fast. I would appreciate any advise I can get . I seldom idled for battery charging on that boat, so most of that is moving at least. Why would we get white smoke from the exhaust and what does it indicate? I thought it was from overheating but the Perkins never got over 190 if the gauge is correct. any over is a waste of fuel and yes it does produce some black smoke at 3000+ rpm, but usually stops after a minute. je ne pense pas avoir de Aug 2, 2004 · Yes, at 2000 rpm you are drawing around 20-25 hp - you can check if you have the power curves for your engine. Anyway. Feed them fuel, oil, and a battery charge they ask no questions they just run. Mar 10, 2009 · A diesel engines specific fuel consumption will varie with its RPM. The engine started well and ran well at the dockbut couldn't reach near the rated rpm and smoked much more than previously under load. The manual also rates her at 3000 RPM Max f or commercial use, which would suggest a continuous speed of 2400 RMP cruise, in that application. The Perkins 4107/4108 engine, also known as the Westerbeke 40, made its North American debut at the 1960 New York Boat Show. 9 to 1 transmission, 21k lbs displacement. Also for: 4. 02 liters) an hour. Jan 14, 2013 · - revs for idle too low - don't remember for sure, and there were slightly different versions of engine, somewhere about 620-650 rpm; but 700-800 rpm is also OK for any diesel so if you have lower, may just increase a bit. Thank you Lepke for the reply. The only difference is I had no transmission noise. 4. I run my Perkins at 1800-2000 rpm when motoring Sep 12, 2023 · Theoretically a Perkins 4-108 could run away if the return line bleed to the cold start was able to leak a lot of raw fuel into the air intake but in reality this would be very rare, its more likely to be a sticky metering valve. The estimate of 1l per 10hp is pretty robust - you will also find the specific fuel consumption curve (fuel used per hp or kw) is flat from about 1700-2800, which is the normal operating range, then gets steeper as you get near max power. The thing that drives me crazy is the amount of smoke at startup. 108, 4. If the coolant level isn't enough to cover the temp sender it will read low although the engine is too hot. 108 Perkins engine stands as a testament to unwavering power, reliability, and efficiency. Je plafonne à 5/6 knts. Jan 29, 2018 · Allegedly the 4-108 only made 49-50 at very high RPM's. 5 kts while burning . The 4108 is well and truly big enough for your boat, it seams as the prop is to small or needs the pitch to be screwed up more. 3000-3600 Combustion System . le stop reviens bien à 0, de toute façon avant ça marchait. Belt is 4 years old. On line all I can see is that the 4. Gearbox is near as damnit 2:1. ) of 2880 RPM. The boats documents document list the engine at 50hp ( the 4108 had lots of variants I know ) Sep 28, 2019 · Anyway, we obtained a ‘new’ (old!) but reconditioned injection pump in super-quick time from the brilliant Parts4Engines and had this fitted (in N Majorca). We had a 4108 turning an 18 inch prop through a 2:1 gearbox. 600 rpm. I am turning a 3 x 17´ blade Max prop set at 12 deg and can get max 3,200 at wot in gear and get 6. 4. In fact I have been a bit suspicious of whether the pressure sender and gauge are working correctly. Below you will find the product specifications and the manual specifications of the Perkins 4. General data 2 : Perkins:4. 108M was rated at 45HP at 3600 RPM for pleasure craft which is 36KW not 36HP. We are very satisfied with 6500 hrs and close to 50,000 miles under the keel. 108. Unfortunately, the motor has turned out to be problemmatic. Aug 12, 2006 · My 4108 is 28 years old it will rev to 3500 rpm, but no one in right mind would run it at that speed because, it does 6 knots at 1500 rpm, and the max hull speed is just over 7 knots, so 1800 is probably the best fast speed. Jun 18, 2016 · John, Your condition sounds a bit like something I experienced my first season with Namaste'. We ran the engine, in gear, at the dock, at 800 rpm for 50 minutes and the temperature only went up to 140. What can I use to de-scale the motor. 108 Series: Rpm Sensor: starbacca : 3 - 23-Jan-11 Original Post : 09-May-10 : does anyone know if an rpm sensor can be fitted to a Perkins 4-108; does anyone know where the tachometer wire attaches to the alternator; this is an externally regulated alternator and not the standard Perkins alternator. 108 engine pdf manual download. There is a reason the Perkins 4107 and 4108 have been in use for so long. Images: 241. 9:1. What this amounts to is that if you want to get the most horsepower for the amount of fuel burned, then run your diesel in its higher RPM ranges. I’m also interested in how high the rpm went before it stopped…. Under normal operation engine used to overheat and begin to smoke black after around steady 2900 rpm or more. Concernant l'inverseur, l'actuel Hurth a un rapport de réduction de 2. No super chargers. Not pretty. My old boat 43' SS, 7'1"draft, 13 + tons , its 4108 @ 2000RPM 7knots. Cleaned the propeller and at full throttle In gear at the dock I can get 2500 rpm (no smoke). The Perkins 4107/4108 engine, also known as the Westerbeke 40, made its North American debut roughly 65 years ago at the 1960 New York Boat Show. 72 en AR. Things I've Jun 24, 2004 · A 4108 is likely to be running at 12 -1800 rpm, and the pulleys should be sourced to give optimal output at those speeds of the engine, stepped up to drive the alternator at max efficiency. The Perkins is indirect What is the Perkins 4. General Technical Data Perkins 4. May 28, 2017 · The Perkins 4108 fitted to our Oyster 406 has consistently shown the same oil pressure (around 60psi), irrespective of operating conditions or RPM since we have had her (2012). Apr 26, 2008 · Perkins 4108 40CV avec échangeur (eau douce refroidie par eau de mer) Hélice tripale. 27-3. 108 specifications. The 4. Few miles each way. 74 en AV et 2. Jul 8, 2018 · PERKINS 4108 LOW RPM UNDER LOADhelp! avazquez: Engines and Propulsion Systems: 53: 17-10-2020 11:41: RPM limitation when in gear Perkins 4108: Paul M: Monohull Sailboats: 18: 02-06-2018 02:45: Perkins 4108 Coolant Prop Movement Pump: SV Someday Came: Engines and Propulsion Systems: 11: 01-12-2008 22:07: 4108 & Velvet Drive 1:1 ? S/V Elusive Users handbooks and other service publications are available from your Perkins distributor at a nominal cost. Oct 10, 2009 · Temp: 180-190F RPMs: depends on setup aboard your boat. “Perkins has always used Marine Blue, but you can’t get that anymore from Perkins, so we created our own and put a coat of clear on top,” Foley says. Then yesterday we went for an engine check, motored at 1000 rpm for about an hour, and the temperature slowly and steadily rose to boiling with steam. For cruising speed. I wouldn’t dare do such a thing! My mechanic suggested2600 to 2800 RPM’s would have given about 30 to 32 hp when the engine was new Feb 21, 2021 · please send along the photos of your work. Suddenly engine began to overheat and upon investigation found loose belt and after tightening the belt - still overheating at around 2400 rpm. I am suspicious about the temperature readout and want to know where on the engine temp sender is. 8 kts. 107. 20 year old Perkins 4108 naturally asperated deisel engine in a Freedom 40 sail, 1. pour le filtre à GO : il est propre. Manufactured from 1. With the old pump I could go up to 2900-3000 rpm under the same conditions and black smoke at around 2850 rpm. During hot weather motoring above 2300 RPM I was below when I heard the transmission slip, RPM increased and the speed of the boat started to decrease. Apr 29, 2013 · 3. Stopped slipping as soon as I dropped rpm's. Our 4108 with a Maxprop pushes her at 2000rpm cruising speed of 6. They just work. En "croisière", j'essaie de ne pas dépasser les 1800 à 2000 tours minutes. What is a reasonable maximum cruising for the engine? Angus Aug 7, 2001 · " I have recently purchased a 43' Pan Oceanic Sloop sailboat equipped with a Perkins 4-108(M) engine. 108 is a marine engine that is known for its reliability and durability. Suitable for standard ground electrical systems. With the new sensor the alarm went away so I figured it was a bad sensor. 108 Engine Specifications Rated Engine Speed, rpm . and what caused it to stop. Abused. Apr 17, 2017 · Foley Engines even went so far as to create its own paint for the Not Your Father’s 4. Both have strong current potential and it is a long(ish) trip so I expect we will have to motor for a good bit. Perkins 4. Dec 5, 2017 · Je réfléchis actuellement au remplacement de mon vieux Perkins 4108 par un moteur base Mitsu (Midif, craftsman, solé 42 CV). 5K lb displacement hull, 3-blade 17" Max Prop). 4) / 3 blade prop size)) to will entend the life of the engine while providing max potential hull speed. 11. 76 litres capacity and employs the Perkins 'H' chamber combustion system for ease of starting and quiet operation. 236, 6. RPM (revolutions per minute) refers to the number of complete rotations an engine’s crankshaft makes each minute. Training Local training on correct engine operation, overhaul and service is available at some Perkins distributors. 65 gal per hour on that 44 ft boat. Perkins:4. Feb 13, 2023 · Most 4108’s get their rpm’s from the alternator and depending on what has been replaced over the years can be 300-500rpm off. 8 Knots Temp 175F Exact Speed at 2600 RPM 6. Perkins will go even at 500 rpm (mine did), but no reason for keeping so low. At 2500 rpm engine will smoke a bit black smoke and slowly overheat above 200F. Just 4 cylinders Banging away. Apr 11, 2004 · "The Perkins 4-108 shop book t "The Perkins 4-108 shop book that I have states that the MAX RPM for a pleasure boat is 3600 RPM and MAX RPM for Commercial applications 3800 to 4000 RPM Common knowledge states that, for a pleasure boat, you should run at 80% of top rated RPMs. That was my query below on prop size. For Perkins 4. I am in Sydney, Australia and the boat is currently in Brisbane. Literature I’ve read states the Perkins 4-108 50 hp at 4000 RPM. Oct 29, 2008 · Beneteau Oceanis 390. 99, 4. 5 to 5 kts. Continually overheating over 1500 RPM under load. 108(M Apr 20, 1998 · Perkins book indicates that the engine can run at 3000 RPM continous and 3500 RPM intermitant ie 45 min out of an hour. Sep 26, 2015 · My 4-108 would slowly overheat if I ran continously above 2500 RPM. 108 idle speed? I have rebuilt the engine and replaced the alternator with a 100amp unit and a new Tach setup for the alternator . Engine always runs at 1800 rpm. Jan 27, 2018 · Replacing a Perkins 4108 with Perkins type 404D-15: sleimaniam: Engines and Propulsion Systems: 1: 28-11-2017 12:29: repower or two repower: Immanuel: General Sailing Forum: 4: 07-05-2012 10:24: Perkins 4108 Coolant Prop Movement Pump: SV Someday Came: Engines and Propulsion Systems: 11: 01-12-2008 23:07: Perkins 4108 seawater pump failed in St Aug 13, 2004 · et adaptation hélice/HP/RPM. 108 Perkins engine is known for its extended service life, ensuring that it remains a dependable workhorse for years to come. Galileo is in rock hall at Haven Harbour. We regularly motor along at 1500 to 1600 RPM (three blade prop) and move along at about 6 knots. Sounds like low coolant level or an airlock. If special training is needed, your Perkins distributor can give details on how to Nov 27, 2017 · Cruising life is always an adventure. It has been sujested to me that the boat is over proped and there is to much load on the engine. It wouldn't rev much over 2000 rpm so never really delivered a lot of power. As supplied by Trans Atlantic Diesels, Inc. You should be able to obtain hull speed under 2000 RPM and cruising speed somewhere under that. Am I right that he is May 31, 2018 · PERKINS 4108 LOW RPM UNDER LOADhelp! avazquez: Engines and Propulsion Systems: 53: 17-10-2020 11:41: RPM limitation when in gear: Paul M: Monohull Sailboats: 2: 10-06-2018 13:25: Replacing a Perkins 4108 with Perkins type 404D-15: sleimaniam: Engines and Propulsion Systems: 1: 28-11-2017 11:29: Yanmar 2GM will not go above 800 RPM in gear Solé Advance marine engine PERKINS 4108 discontinued 4 cylinders In line 46 HP (33,9 kW) 3600 RPM Inboard engine based on Perkins, 4 cylinders, 46 CV at 3. 12. 0 Knots (overheating began) Throttle wide open 2300 RPM speed 6. I replace the cilinder head with a old one, the two water pumps, and the termostat, bearings, rings etc. . So when you run a Perkins 4. Jul 19, 2006 · overheating perkins 4108 My perkins also overheats if i run it too hard, if i push the throttle to full the rpm's stop at 1500 when in gear eventually overheatingfrom what i've been told it is definately the propI'll let you know how it works out after I change itthat of course after I find a new oil cooler. Because of its rugged and quiet cast iron Jun 6, 2016 · Perkins 4108 runaway. djuue obflgam ffz facqg yidriy ianoi ypkov ymnmx wkgm qqgytj