Ram 2500 dif fluid specs

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PCT

2019 2500 6.4
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I cannot find a clear answer on weather what the fluid is. i found a few sources pointing me to 75-85. 2019 Ram 2500 with LSDIMG_2575.jpg
 

Dean2

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Owners Manuals are freaking awesome. If you didn't get one they are available on line.


TECHNICAL SPECIFICATIONS 571FLUID CAPACITIES U.S.MetricFuel (Approximate)2500/3500 Shortbed Models31 Gallons117 Liters2500/3500 Longbed Models32 Gallons121 LitersEngine Oil With Filter6.4L Engine (We recommend you use SAE 0W-40 engine oil meeting therequirements of FCA Material Standard MS-12633 for use in all operatingtemperatures.)7 Quarts6.6 LitersCooling System6.4L Engine – (We recommend you use Mopar Antifreeze/Coolant 10Year/150,000 Mile Formula that meets the requirements of FCA MaterialStandard MS.90032.)16.6 Quarts15.7 Liters8

572 TECHNICAL SPECIFICATIONSFLUIDS AND LUBRICANTS Engine ComponentFluid, Lubricant, or Genuine PartEngine CoolantWe recommend you use Mopar Antifreeze/Coolant 10Year/150,000 Mile Formula OAT (Organic AdditiveTechnology).Engine Oil – 6.4LFor best performance and maximum protection under alltypes of operating conditions, the manufacturer onlyrecommends full synthetic engine oils that meet theAmerican Petroleum Institute (API) categories of SN. Themanufacturer recommends the use of Pennzoil Ultra 0W-40or equivalent Mopar engine oil meeting the requirements ofFCA Material Standard MS-12633 for use in all operatingtemperatures.Engine Oil FilterWe recommend you use Mopar brand Engine Oil Filters.Spark PlugsWe recommend you use Mopar Spark Plugs.Fuel Selection – 6.4L Engines89 Octane Recommended - 87 Octane Acceptable, 0-15%Ethanol.

TECHNICAL SPECIFICATIONS 573CAUTION!• Mixing of engine coolant (antifreeze) other than speci-fied Organic Additive Technology (OAT) enginecoolant (antifreeze), may result in engine damage andmay decrease corrosion protection. Organic AdditiveTechnology (OAT) engine coolant is different andshould not be mixed with Hybrid Organic AdditiveTechnology (HOAT) engine coolant (antifreeze) or any“globally compatible” coolant (antifreeze). If anon-OAT engine coolant (antifreeze) is introduced intothe cooling system in an emergency, the cooling systemwill need to be drained, flushed, and refilled with freshOAT coolant (conforming to MS.90032), by an autho-rized dealer as soon as possible.• Do not use water alone or alcohol-based engine coolant(antifreeze) products. Do not use additional rust inhib-itors or antirust products, as they may not be compat-ible with the radiator engine coolant and may plug theradiator.• This vehicle has not been designed for use withpropylene glycol-based engine coolant (antifreeze).Use of propylene glycol-based engine coolant (anti-freeze) is not recommended.8

574 TECHNICAL SPECIFICATIONSChassis ComponentFluid, Lubricant, or Genuine PartAutomatic Transmission – Eight-Speed Automatic (ForDiesel Engine see Diesel Supplement)Use only Mopar ZF 8&9 Speed ATF Automatic TransmissionFluid, or equivalent. Failure to use the correct fluid mayaffect the function or performance of your transmission.Transfer CaseWe recommend you use Mopar Transfer Case Lubricant forBorg Warner 44-44 and 44-45.Front and Rear AxleWe recommend you use SAE 75W-85 HD Ram GL-5Synthetic Axle Lubricant in 9.25 Front & 11.5 Rear Axles. UseMopar Synthetic Gear Lubricant SAE 75W-140 (MS-8985) in12.0 Rear axles. Limited slip additive is required for limitedslip axles.Brake Master CylinderWe recommend you use Mopar DOT 3.Power Steering ReservoirWe recommend you use Mopar Power Steering Fluid +4 orMopar ATF+4 Automatic Transmission Fluid.
 

Burla

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I cannot find a clear answer on weather what the fluid is. i found a few sources pointing me to 75-85. 2019 Ram 2500 with LSDView attachment 470032
It says right on the bottle limited slip, is there anything I can assist you with past that? Quote me or phone call me @Burla if you need something. 75w90 is pretty much universally known as the weight for most applications, 2500's and above for sure. 75w140 is for 1500's only. Many years ago the industry decided that modified gear fluid is also fine for open diffs, so generally speaking most gear fluids are universal, just find the viscosity you want. The exception for some is if they really want for their manual gear box to use a gear fluid that has NS in the title, meaning "non slip". Now, there has been no movement in gear fluid specs for 20 plus years, so 2002 specs are still in effect today, if it says gl-5 then that is what is used in most if not all diffs this century.

api gear fluid specs
 

HEMIMANN

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Sure would be nice if we didn't have changes to engine oil specs for 20 years.
*sigh*
 

Burla

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The difference between 75w85 and 75w90 is the 85 would be 5w30, and the 90w would be 5w40. Now, the formula is different, you don't want 5w30 or 5w40 in gears because of EP additives, many of those cant be in gears like moly. I for the life of me dont know why they would spec the "5w30" version for a 2500 that tows. For the longest time all you see is 75w90 for diffs. A little more protection.
 
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PCT

PCT

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It says right on the bottle limited slip, is there anything I can assist you with past that? Quote me or phone call me @Burla if you need something. 75w90 is pretty much universally known as the weight for most applications, 2500's and above for sure. 75w140 is for 1500's only. Many years ago the industry decided that modified gear fluid is also fine for open diffs, so generally speaking most gear fluids are universal, just find the viscosity you want. The exception for some is if they really want for their manual gear box to use a gear fluid that has NS in the title, meaning "non slip". Now, there has been no movement in gear fluid specs for 20 plus years, so 2002 specs are still in effect today, if it says gl-5 then that is what is used in most if not all diffs this century.

api gear fluid specs
lol i know that, i meant the weight of oil, im not sure how to confrim the size of my rear end, or is it all 2500 have 11.5. or do some have 12.0? I am like 90% sure but just want to x2 check before full sending.
 

HEMIMANN

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The difference between 75w85 and 75w90 is the 85 would be 5w30, and the 90w would be 5w40. Now, the formula is different, you don't want 5w30 or 5w40 in gears because of EP additives, many of those cant be in gears like moly. I for the life of me dont know why they would spec the "5w30" version for a 2500 that tows. For the longest time all you see is 75w90 for diffs. A little more protection.
Yeah you do. Hint: EPA
 

crazy jerry

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nothing in the axle has changed for over 60yr. the 75w85 recomendation is just to squeek a tiny bit better fuel mileage out of the vehicle
 

Gondul

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lol i know that, i meant the weight of oil, im not sure how to confrim the size of my rear end, or is it all 2500 have 11.5. or do some have 12.0? I am like 90% sure but just want to x2 check before full sending.

Type in your VIN here.. letters have to be in CAPS for it to work.

 

pewpew

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Type in your VIN here.. letters have to be in CAPS for it to work.

If only it told me where my truck was currently sitting at. It was supposed to ship 9/21 but who knows.
Thanks for the link though. Kinda cool to see everything my truck has.
 
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