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Lists of API GL-5 and MT-1 approved gear oils? #4646513
01/26/18 12:43 AM
01/26/18 12:43 AM
Joined: Jul 2008
Posts: 445
London, UK
Izb Offline OP
Izb  Offline OP
Joined: Jul 2008
Posts: 445
London, UK
Are anywhere lists of officially approved API GL-5 and MT-1 gear oils?

p.s. I have found only list of SAE J2360 oils:
https://cdn.p-r-i.org/wp-content/uploads/2017/10/31173449/LRI-QPL-10-31-17-online.xls

Re: Lists of API GL-5 and MT-1 approved gear oils? [Re: Izb] #4646530
01/26/18 01:55 AM
01/26/18 01:55 AM
Joined: Dec 2011
Posts: 4,759
North Carolina
rooflessVW Online content
rooflessVW  Online Content
Joined: Dec 2011
Posts: 4,759
North Carolina
I don't know of any lists...

But Mobil Delvac 75W-90 is all you need for most anything requiring GL-5 + MT-1.

Castrol Syntrax 75W-90 is also dual rated but doesn't shift as well.


"Zed's dead baby, Zed's dead."
Re: Lists of API GL-5 and MT-1 approved gear oils? [Re: Izb] #4646667
01/26/18 08:27 AM
01/26/18 08:27 AM
Joined: Aug 2015
Posts: 1,112
BC Canada
Farmer Offline
Farmer  Offline
Joined: Aug 2015
Posts: 1,112
BC Canada
Chevron Delo ESI has a GL-5 and MT-1 rating.

Re: Lists of API GL-5 and MT-1 approved gear oils? [Re: Izb] #4646741
01/26/18 09:56 AM
01/26/18 09:56 AM
Joined: Aug 2003
Posts: 12,908
NE,Ohio
Rand Offline
Rand  Offline
Joined: Aug 2003
Posts: 12,908
NE,Ohio
What is the application?

MT-1 is usually for non-syncho transmissions.
and possibly some types of axles.

Last edited by Rand; 01/26/18 09:57 AM.

2019 Jeep Cherokee Trailhawk 2.0T
Re: Lists of API GL-5 and MT-1 approved gear oils? [Re: Farmer] #4646753
01/26/18 10:10 AM
01/26/18 10:10 AM
Joined: Jul 2008
Posts: 445
London, UK
Izb Offline OP
Izb  Offline OP
Joined: Jul 2008
Posts: 445
London, UK
Originally Posted By: Farmer
Chevron Delo ESI has a GL-5 and MT-1 rating.


Have you ever seen official list of API MT-1 oils?

Re: Lists of API GL-5 and MT-1 approved gear oils? [Re: Izb] #4646803
01/26/18 10:46 AM
01/26/18 10:46 AM
Joined: Dec 2017
Posts: 2,351
SE British Columbia, Canada
Snagglefoot Online content
Snagglefoot  Online Content
Joined: Dec 2017
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SE British Columbia, Canada
Nope, but walk through your favotite parts store and check the back of the bottles.

SF


If you want the job done right......do it yourself.
Re: Lists of API GL-5 and MT-1 approved gear oils? [Re: Snagglefoot] #4646853
01/26/18 11:33 AM
01/26/18 11:33 AM
Joined: Jul 2008
Posts: 445
London, UK
Izb Offline OP
Izb  Offline OP
Joined: Jul 2008
Posts: 445
London, UK
Originally Posted By: Snagglefoot
Nope, but walk through your favotite parts store and check the back of the bottles.

SF


I wonder about list of official approved MT-1 oils. Not about non-approved labels.

Re: Lists of API GL-5 and MT-1 approved gear oils? [Re: Izb] #4646858
01/26/18 11:39 AM
01/26/18 11:39 AM
Joined: Dec 2011
Posts: 4,759
North Carolina
rooflessVW Online content
rooflessVW  Online Content
Joined: Dec 2011
Posts: 4,759
North Carolina
You're looking for something that doesn't exist.


"Zed's dead baby, Zed's dead."
Re: Lists of API GL-5 and MT-1 approved gear oils? [Re: Izb] #4646948
01/26/18 01:18 PM
01/26/18 01:18 PM
Joined: Jun 2002
Posts: 19,246
Iowegia - USA
MolaKule Offline
MolaKule  Offline
Joined: Jun 2002
Posts: 19,246
Iowegia - USA
Originally Posted By: Izb
Originally Posted By: Snagglefoot
Nope, but walk through your favotite parts store and check the back of the bottles.

SF


I wonder about list of official approved MT-1 oils. Not about non-approved labels.


Approvals come from the manufacturers.

We formulate to develop gear lubricants to satisfy manufactures' gear systems.

Most GL-5 gear lubes are designed to also satisfy Heavy-Duty rated MT-1, non-synchronized, gear boxes.


Reading is fundamental; understanding is not a given ability.
Re: Lists of API GL-5 and MT-1 approved gear oils? [Re: MolaKule] #4646951
01/26/18 01:24 PM
01/26/18 01:24 PM
Joined: Jul 2008
Posts: 445
London, UK
Izb Offline OP
Izb  Offline OP
Joined: Jul 2008
Posts: 445
London, UK

SAE J2360 AND MT-1 contains performance requirements that exceed those of API Category GL-5.
For example, SAE J2360 has requirements for elastomer compatibility and gear cleanliness after oxidation that are not contained in API GL-5.

A lot of GL-5 oils doesn't have SAE J2360 and MT-1.

Last edited by Izb; 01/26/18 01:25 PM.
Re: Lists of API GL-5 and MT-1 approved gear oils? [Re: Izb] #4646978
01/26/18 02:01 PM
01/26/18 02:01 PM
Joined: Jun 2002
Posts: 19,246
Iowegia - USA
MolaKule Offline
MolaKule  Offline
Joined: Jun 2002
Posts: 19,246
Iowegia - USA
So you were asking about a list and now you know of a list of GL-5 oils that doesn't have SAE J2360 and MT-1?

I am not sure of your point here but the SAE has this publication:

http://standards.sae.org/j2360_201204/

Quote:
Scope:
The gear lubricants covered by this standard exceed American Petroleum Institute (API) Service Classification API GL-5 and are intended for hypoid type, automotive gear units, operating under conditions of high-speed/shock load and low-speed/high-torque. These lubricants may be appropriate for other gear applications where the position of the shafts relative to each other and the type of gear flank contact involve a large percentage of sliding contact. Such applications typically require extreme pressure (EP) additives to prevent the adhesion and subsequent tearing away of material from the loaded gear flanks. These lubricants are not appropriate for the lubrication of worm gears. Appendix A is a mandatory part of this standard. The information contained in Appendix A is intended for the demonstration of compliance with the requirements of this standard and for listing on the Qualified Products List (QPL) administered by the Lubricant Review Institute (LRI). Appendix A contains a summary of key qualification requirements. A complete listing of qualification requirements and procedures can be found in the Program Document (PD4000) Gear Lubricant Review Program available from the Performance Review Institute, Attn: Secretary of the LRI, 161 Thorn Hill Road, Warrendale, PA 15086, (724) 772-1616 or at www.pri-network.com.

Rationale:
Manufacturers of commercial and military driveline components rely on this industry standard to define a minimum level of performance for use in the qualification of lubricating oils that are used in their equipment. SAE J2360 provides a consistent set of requirements for such qualification processes.



Last edited by MolaKule; 01/26/18 02:06 PM.

Reading is fundamental; understanding is not a given ability.
Re: Lists of API GL-5 and MT-1 approved gear oils? [Re: Izb] #4646999
01/26/18 02:16 PM
01/26/18 02:16 PM
Joined: Jun 2002
Posts: 19,246
Iowegia - USA
MolaKule Offline
MolaKule  Offline
Joined: Jun 2002
Posts: 19,246
Iowegia - USA


Reading is fundamental; understanding is not a given ability.

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