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#3444399 - 08/03/14 03:39 AM Full Synthetic Gear Oil 75W-90 GL-5
Winter_Texan Offline


Registered: 07/31/14
Posts: 2
Loc: Alberta, Canada & Texas USA
I need 8 quarts of Full Synthetic Gear Oil 75W-90 GL-5 for the differencial in my Safari Trek motorhome.

What brands offer this gear oil spec and where are they normally available online?

Thanks.

Gord & Linda w/ "Camper" the Cat

Coaldale, AB (May-Oct) & Mission, TX (Nov-Apr)

Travelling Coach: 2005 Safari Trek 28RB2, Workhorse W20 Chassis, 8.1L V8, Allison 1000 5 spd AT
Car Hauler: 2014 JIMGLO Ego Custom 17'+ Aluminum Tilt-Bed for Abarth or Corvair + Mobility Scooter.
Daily Driver/"Toad": 2014 Fiat 500c Abarth Cabrio Turbo 1.4L I4, 160hp, 5 spd MT
Vintage Car 2B: 1965/66 Corvair Corsa Convertible, Air Cooled 164cid Boxer 6, 4 x 1bbl carbs, 140hp, 4 spd MT
Stationary Coach: (Mission, TX) 2008 HitchHiker 34.5 UKSBG, 36' 5th wheel w/ 3 Slides

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#3444402 - 08/03/14 04:21 AM Re: Full Synthetic Gear Oil 75W-90 GL-5 [Re: Winter_Texan]
SwedishRider Offline


Registered: 10/13/13
Posts: 356
Loc: not Sweden

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#3444409 - 08/03/14 05:03 AM Re: Full Synthetic Gear Oil 75W-90 GL-5 [Re: Winter_Texan]
Oil Changer Offline


Registered: 08/28/06
Posts: 1665
Loc: Michigan
Amsoil Severe Gear. Contact member Pablo.

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#3444412 - 08/03/14 05:16 AM Re: Full Synthetic Gear Oil 75W-90 GL-5 [Re: Winter_Texan]
Colt45ws Offline


Registered: 08/15/06
Posts: 7582
Loc: Central Washington
Amsoil Severe Gear is great stuff, but if you want something off the shelf, Valvoline Synpower 75W90 meets the SAE J2360 specification which is a tougher specification than just GL-5.
_________________________
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2004 Ford Crown Vic LX, 82k "Tank"
2002 Ford Crown Vic PI, 165k "Highwayman" (Ex-Kootenai County, ID Unit #42)

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#3444428 - 08/03/14 06:09 AM Re: Full Synthetic Gear Oil 75W-90 GL-5 [Re: Winter_Texan]
Whitewolf Offline


Registered: 10/05/06
Posts: 1966
Loc: MI, USA
I would advise part #88863089 alias 9986285 from a GM dealer.
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#3444433 - 08/03/14 06:24 AM Re: Full Synthetic Gear Oil 75W-90 GL-5 [Re: Winter_Texan]
dave123 Offline


Registered: 01/13/09
Posts: 1186
Loc: wi
I would go Redline or Amsoil 75w110 take your pick

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#3444436 - 08/03/14 06:27 AM Re: Full Synthetic Gear Oil 75W-90 GL-5 [Re: Winter_Texan]
marc1 Online   content


Registered: 02/03/08
Posts: 237
Loc: AB, Canada
_________________________
2006 Sierra Z71 79,000km Shell 5w30 Wix 51522
2011 Shelby GT500 SVT 14,000km Mobil1 0w40 FL820S
1970 Chevelle SS454 LS6 38,000mi Rotella T5 10w30 PF25

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#3444469 - 08/03/14 07:42 AM Re: Full Synthetic Gear Oil 75W-90 GL-5 [Re: Winter_Texan]
LotI Offline


Registered: 01/01/13
Posts: 439
Loc: America's Dairyland
Off the shelf, Mobil 1 75w-90 is available. If there's an AAP near you use an online coupon to get it for $7.69/qt

Online, Red Line and Amsoil
_________________________
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#3444473 - 08/03/14 07:49 AM Re: Full Synthetic Gear Oil 75W-90 GL-5 [Re: Winter_Texan]
barkingspider Offline


Registered: 12/22/13
Posts: 538
Loc: socal
Another vote for valvoline synpower 75w90 or chevron Delo 75w90 syn. Both are under $10 a quart.
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#3444702 - 08/03/14 12:47 PM Re: Full Synthetic Gear Oil 75W-90 GL-5 [Re: LotI]
buck91 Offline


Registered: 04/17/12
Posts: 676
Loc: West Michigan
Originally Posted By: LotI
Off the shelf, Mobil 1 75w-90 is available. If there's an AAP near you use an online coupon to get it for $7.69/qt

Online, Red Line and Amsoil


What code?
_________________________
2011 F150 4x4 5.0L
1980 Yamaha XS850G

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#3444733 - 08/03/14 01:31 PM Re: Full Synthetic Gear Oil 75W-90 GL-5 [Re: Winter_Texan]
Greasymechtech Offline


Registered: 07/11/14
Posts: 509
Loc: Paradise of Florida
Any full synthetic GL5 75w90 can be used.

But, I'd recommend an OTR equivalent with Dana/Mack/Eaton/Arvin... specs.
Check your local truck stops to see what they carry.
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At what point should a lurker start posting :-)

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