Gl4 vs gl5 gear oil

Aug 9, 2010 · Today I changed the oil in my '0

"Absolutely, all Valvoline Gear Oils can be used for both GL4 and GL5. The concern is the type of sulfate used in the gear oil, as you can not use an active sulfate for GL-4 applications. Valvoline uses an inactive sulfate that will not harm any yellow metal such as bronze. This allows our products to be used in manual transmissions that have ...Oil is especially interesting as it is deemed the cheapest. Cheap is cheap for a reason. Since the start of the year, all investors have been inundated by calls to buy the value st...The transfer case requires ATF. The transmission requires a 75W-90 viscosity GL-4 gear lube which replaced and updated GL-3 that is no longer available. Do not use a GL-5 which is not an update to GL-4. A good lube for your transfer case would be ATF+4 though any good quality ATF is fine inside the transfer case.

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No, there are EP oils not suitable for hypoids gears. EP is an oil propertie necessary for specific systems. Hypoid is a gear contact that usually requires high EP properties (but there are hypoid gears to work with medium or low EP like GL4+, GL4 or GL3). # Is EP/hypoid required just for hypoid gears, and other differentials, gearboxes can use ...Nov 3, 2022 · Learn how GL4 and GL5 gear oils differ in their extreme pressure additives, applications, compatibility, viscosity, shear strength, and shock loading. Find out which gear oil is suitable for your vehicle and gearbox type.As the title reads, I need to find out what type of gear oil needs to be used in a 4 speed toploader gearbox. The manual asks for a Mild E P Gear Oil, C3RZ19647-B, which doesn't really help much. I need 4pts, which I roughly calculated to about 2 litres. I had some 75w 85w but it has been so long since I've used it, it has nearly turned to ...Oct 22, 2015 · Oct 19, 2018. #4. It's probably the same as the Total 75W80 GL4+. Judging by the smell...must have something other "synthetic" gear oils don't have, it has the typical smell pf gear oils, old school style. If it's really brass synchros, I'd stay with GL4 like the Castrol Syntrans multivehicle or similar, although I'm pretty sure the GL4+ should ...A traditional GL-4 gear oil of any given viscosity has about ½ of the level of sulfur/phosphorous additive that would be in the GL-5 product, so the bond is not as strong, and therefore can be peeled off without peeling a layer of brass (or less brass). This means that the GL-4 product provides a little less extreme pressure protection, so in ...We list the oil as GL-4 and GL-5 because it is safe for synchronizers like a GL-4, but maintains the load carrying ability of an EP GL-5. We confidently recommend the RP Max Gear 75W-90 (part #01300, quart bottle) for use in manual transmission that spec a gear oil of comparable viscosity.The American Petroleum Institute (API) classifies gears using GL ratings, ranging from GL-1 to GL-5. Higher GL rating numbers represent more severe applications; GL-1 is the least severe and can usually be satisfied with a motor oil, while GL-5 is the most severe GL rating. EP additives. The main difference between GL-4 and GL-5 gear oils is in ...The manual specifically calls for 75W90 GL4 for the transfer case (and GL5 for the differentials) so I assume there is yellow metal or something in there. Most gear oils I'm seeing are GL5. I saw Redline and Royal Purple make GL4 but I'd rather not put a $20/quart fluid in there just to have it leak out in a week and on the other hand if I top ...The Difference between GL-4 and GL-5 Gear Oils. Many people are confused about API gear oil classifications. It is a common belief that API GL-5 oils can be used where API GL-4 requirements are specified.From a gear lubricant standpoint UTTO is nothing more or less than an SAE 80 GL4 gear oil. As an automotive differential lubricant GL3 and GL4 have been extinct for many decades. Modern xxW90 GL5 gear oil is primarily designed for use in high speed OTR hypoid gear differentials and is overkill in low speed spiral bevel gear differentials. DanNov 30, 2009. #2. I think if a tranny calls for gl4 that's what you should use. You'll see that with most front wheel drive imports with brass synchros, so I agree with you there that gl5 should be avoided even if the bottle states it's backward compatible. However, if a tranny calls for gl5 you would be crazy to put gl4 in, like in the subaru 5mt.Most new car auto dealers have GL4 gear oils. Source some GL4 manual transmission 75w85 or 75w90 from a Nissan Hyundai Kia Mitsubishi GM Ford or Chrysler... dealership. European vehicle delaerships also have a good selection of GL4 MT gear oil... BMW Audi VW Peugeot Renault Fiat.... 10w40 motorcycle oil and 15w40 diesel engine oil are also a ...Gear oil is a lubricant designed for use in transmissions, manual gearboxes, differentials, transaxles, and transfer cases in your car or truck. It essential for keeping your vehicle running smoothly, and reducing friction that occurs with the gear’s rotation, as well as keeping the gear from overheating. Here are some great tips to remember ...They recommend I remove the GL5 gear oil and replace it with their GL4+ version. I just ordered 3 bottles of GL4 gear oil and plan for a gear oil change ASAP. During my google search, some people posted that a few manufacturers of GL5 gear oil claim to be safe to use on transmissions requiring GL4 oil. Lot's of debates if you're brave enough to ...

Feb 15, 2009. #4. The MTG will give your bearings excellent protection and the frictional properties of that fluid will also protect the synchronizers better and allow easier shifting than a GL-5. There are few GL-5 fluids that would work well in a manual gearbox. Redline has one, but most 75W-90 GL-5 gear oils have viscosity and frictional ...01-31-2017, 01:02 PM. From what I know, it's not really a synthetic vs dino oil thing. It's the "rating" of the oil, GL4 vs GL5. For example, Merc's Hi-Perf synthetic stuff (excellent oil) is rated GL4. For what it's worth, I learned the "rating" thing here on this site. 2000 Yamaha OX66 250HP SX250TXRY 61AX103847T.Join Date: Dec 2000. Location: Norway / Merritt Island FL. Posts: 218. GL-5 is not better than GL-4, just different. In general terms, the higher the GL number the more EP, extreme pressure, additive the oil contains. The EP additive used to be sulphur based, hence the bad smell at high tempperatures.Better overall performance than conventional oils. Use in manual transmissions and transaxles that require 75W-85, 75W-90 or 80W-90 gear lube and any of the following specifications: API GL-4; ZF TE-ML 02B, 16A, 17A and 19A; Chrysler* MS-9070; MAN 341-Z2 (formerly MAN 341 ML); MB 235.5. Replaces GM* part #12346190 and Chrysler part #4874459 for ...GL4 gear oil also has 'sulfur' additives. Has anyone here ever dismantled a manual transmission that had corroded brass synchros directly caused by GL5? I thought so. I pulled plenty of manuals apart with toasted synchros which used GL4. Do worry less about it! The issue with GL5 is when excessive moisture is added causing that corrosion.

No, there are EP oils not suitable for hypoids gears. EP is an oil propertie necessary for specific systems. Hypoid is a gear contact that usually requires high EP properties (but there are hypoid gears to work with medium or low EP like GL4+, GL4 or GL3). # Is EP/hypoid required just for hypoid gears, and other differentials, gearboxes can use ...Dec 1, 2002. #1. I have not been able to get a consistent answer to this question from any of the oil reps I have talked to. For years, I have always believed that GL-5 could not be used in a GL-4 application.Foreword. This publication describes API automotive gear lubricant service designations. It is designed to assist manufacturers and users of automotive equipment in the selection of transmission, transaxle, and axle lubricants based on gear design and operating conditions. Where special performance requirements apply, the descriptions in the ...…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. What's the difference? The primary difference between GL-4 and. Possible cause: This means that the GL-4 product provides a little less extreme pressure .

GL-5 gear oil, with roughly double the EP additive content compared to its GL-4 counterpart, offers superior protection under high stress and temperatures. Applications of GL-4 and GL-5 Gear Oils Suitability for Different Gear SystemsAMSOIL SEVERE GEAR® 75w-90 100% Synthetic Gear Lube API GL-4 vs. GL-5 Gear Oils Definition and Importance of GL Ratings. The American Petroleum Institute categorizes gear oils using GL ratings that range from GL-1 to GL-5. This classification plays a crucial part in selecting the right oil, as it directly correlates to the oil’s capacity to ...

Typically a GL-4 rated gear oil fits these parameters. Many Unimog transmissions require a GL-4 rated gear oil in the transmission to protect 'yellow' bushings and synchros. There are a handful of gear oils which have a GL-5 rating but claim to have non-corrosive properties. The Castrol EXP 90 you mentioned is one of them.Hypoid Gear Oil (GL5) SAE 80W. SKU: P000220. Mineral-based hypoid gear oil. For vehicles with proven transmission technology. Guarantees maximum safety reserves under critical operating conditions. Provides a stable lubricating film and minimizes wear. Learn More. Specifications / Approvals: API GL5, MIL-L 2105 D LIQUI MOLY also recommends this ...Almost all GL5 gear oils are now safe for yellow metals like copper and bronze. We use 100's of gallons of Citgo GL5 80W90 in the gear boxes and lower units on boats and its also what I run in my tractors tranny, front axle, rear axle, Bush Hog gear box, Finish Mower gear box, and PHD gear box with no issues in some 12 plus years. Chris. …

Rochester, WA. Sep 23, 2010. #2. Barmanus said: I have Yes, you can mix the GL4 oils up with GL4 oils for use in transmissions. Many experts are against the use GL5 gear oils in car engines because of their corrosive nature. When you mix it up with GL4 oils, it can still be harmful to copper components inside the transmission. When you’re using the GL5 for the gearbox, you can mix the MT1 oils ... The specifications of the Ford 800 series of tractors - Take Your Oil. Can You Use GL-5 Gear Oi For travelers looking for a compact and convenient backpack solution, the Prima System just might fit the bill. Salt Lake City-based Boundary is out with what it calls a compact an... Protects against severe temperatures to help extend se I went through this before on another car. It comes down to GL is a gear oil spec that relates to pressure. GL5 is a stricter test standard than GL4 meaning GL5 has to meet a higher pressure standard. The problem is GL5 usually has additives that more or less attack the brass synchronizers in transmissions.Eliminates notchy shifting, even when cold. High performance gear protection and longer synchro life. Recommended for GL-1, GL-3 and GL-4 applications as well as where most special synchromesh fluids are specified. Satisfies the gear oil viscosity requirements of 85W, 75W85 and motor oil viscosities of SAE 30 and 5W30. Availability: In stock. This is a 1970 Ford differential. GL5 cannot be used as it is 7,428. Location. beaver land EH? Jan 28, 201Description. GL-1. Active. The designation Mobil 1 Synthetic Gear Lubricant is suitable for all automotive applications where lubricants meeting MIL-PRF-2105E, API Service GL-5, are recommended. It can also be used in rear axles where an API Service GL-4 lubricant is recommended. It should NOT be used in any transmissions requiring an engine oil or automatic transmission fluid, or GL-4 ...Good gear oil doesn't exist on the shelf, and GL-4 barely exists - period. It just doesn't. Has to be ordered online or obtained through a specialty vendor. GL-4 is unobtainium. I've pulled my hair out many times over the years trying to reach the end of the "GL4 vs GL5" mystery. Hypoid Gear Oil (GL5) SAE. 85W-90. SKU: 20010. Apparently the full synthetic gearbox oil of this grade works very well with the 5-speed transmission of my car. The shifting is very smooth across all gears and the "notchiness" is also gone. From website: CASTROL SYNTRAX 75W-90. Full synthetic SAE 75W/90, API GL5. manual transmission, transaxle and rear axle lubricant with outstanding extreme ...This means that the GL-4 product provides a little less extreme pressure protection. smith and allan dont list the sulphur or phosphorous content on the tech sheets, comma list only phosphorous and its higher in the GL5 as expected. posts on internet from other class car forums with quotes from comma customer service saying it does contain ... A fast-drying solution that cleans brake components and parts w[Oct 16, 2019. #9. You can use 80W-90. Been doing it01-31-2017, 01:02 PM. From what I know, it's not r Redline MT-90 75W90 GL-4 synth gear oil: Manual Trans Transfer Case Royal Purple Max Gear 75W90 GL-5 synth gear oil: Front Diff Rear Diff . U. unDummy. Joined Feb 1, 2003 Messages 8,755 Location RI. ... Actually, the Royal Purple Max Gear is 75W90 GL4 and GL5 rated, so you can use in everyting; man trans, transfer case and f/r diffs! ...Southeast United States. Sep 28, 2004. #7. I was told by a Coastal lube engineer that most if not all modern gear lubes were "buffered", so as to be safe on yellow metals. Coastal's lubes are rated GL3, GL4, and GL5 on the container. If your tech sheet says the lube is OK for manuals, I wouldn't worry.