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#1130033 - 04/15/08 05:54 PM 10w30 in crafstman lawnmower
jinx Offline


Registered: 01/09/08
Posts: 79
Loc: vancouver, canada
well I was wondering if it's bad to put 10w30 GTX into the lawnmower, cause I drained and filled it up with GTX and cut my grass with it and never had any problems other then I kept over filling it haha.
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#1130053 - 04/15/08 06:30 PM Re: 10w30 in crafstman lawnmower [Re: jinx]
JHZR2 Offline



Registered: 12/14/02
Posts: 40429
Loc: New Jersey
might be ok, long term, may reduce life. straight 30 or syn 10w30 is generally the recommendation.

JMH

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#1130070 - 04/15/08 06:51 PM Re: 10w30 in crafstman lawnmower [Re: jinx]
Camu Mahubah Offline


Registered: 02/04/05
Posts: 3048
Loc: the Sandhills of Nebraska
10w30 caused my mower to smoke. My Briggs likes 15w40 and straight 30w better. Less smokage and a bit quieter. I seriously doubt the 10w30 will hurt it but I would rather have a bit thicker oil in an aircooled motor.
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#1130095 - 04/15/08 07:40 PM Re: 10w30 in crafstman lawnmower [Re: Camu Mahubah]
Saturn_Fan Offline


Registered: 01/06/08
Posts: 2512
Loc: America's Dairyland
Running 5w-30 Amsoil ASL that was leftovers from vehicle oil changes in my Tecumseh Sno-King 5.5 snowblower and in my Troy-bilt 6.75 Briggs and Stratton mower, and they run great with no oil loss. Oil always looks nice and golden, and I bogged down the underpowered snow blower routinely with the record snow fall we had here this winter.


Edited by Saturn_Fan (04/15/08 07:42 PM)
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08 Toyota Corolla CE, 20K miles, 1ZZ-FE 1.8L, Castrol Edge 5w-30 & M1 EP filter
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#1130100 - 04/15/08 07:51 PM Re: 10w30 in crafstman lawnmower [Re: Saturn_Fan]
harley145000 Offline


Registered: 08/15/07
Posts: 377
Loc: none
my 17 year old craftsman has been using gtx 10w30 without a hitch.

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#1130107 - 04/15/08 07:57 PM Re: 10w30 in crafstman lawnmower [Re: harley145000]
Saturn_Fan Offline


Registered: 01/06/08
Posts: 2512
Loc: America's Dairyland
I don't stick to a particular weight/brand at all. My Amsoil ASL is all used up now, so next time it is looking like some old Mobil 10w-40 V-twin oil that will go in them. These engines are just bulletproof. They are great for using up 2 or 3 year old partial quarts laying around in the garage. \:\!


Edited by Saturn_Fan (04/15/08 08:00 PM)
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08 Toyota Corolla CE, 20K miles, 1ZZ-FE 1.8L, Castrol Edge 5w-30 & M1 EP filter
00 Saturn SL, 108K miles, 1.9L, Pennz Plat 5w-30 & M1 EP filter

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#1130117 - 04/15/08 08:09 PM Re: 10w30 in crafstman lawnmower [Re: Saturn_Fan]
Lost1 Offline


Registered: 09/22/07
Posts: 289
Loc: VA
I run 10W-30 Max Life semi-synthetic in my Craftsman lawn tractor with a Briggs & Stratton 18.5 hp engine. It loves it- runs smooth, no oil consumption, & no smoking.

If I were gonna run a straight 30W I'd use Rotella, Delo, or other HDEO.
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#1130118 - 04/15/08 08:10 PM Re: 10w30 in crafstman lawnmower [Re: Saturn_Fan]
opus1 Offline


Registered: 12/13/04
Posts: 2373
Loc: Chicago Area
The manual for my Craftsman says that straight 30 is preferred. 5w30 is allowed, but the mower will tend to burn it more than straight 30 so the oil should be checked more often.

Since I check the oil every time I mow, this isn't an issue for me. And over the course of a summer I might have to add oil once, and that's more to keep the level at the "full" line than anything else.
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#1130126 - 04/15/08 08:21 PM Re: 10w30 in crafstman lawnmower [Re: Saturn_Fan]
kd5byb Offline


Registered: 01/25/07
Posts: 724
Loc: Huntsville, AL
10W30 is fine. Been running it in Tecumseh and Briggs-engined Craftsman mowers for 20 or so years or as long as 10W30 has been common w/o problems.

I can't remember when our autos started using 10W30 - 1982 or so? Pretty sure the Pinto took 10W40, the Pontiac J2000 was for sure 10W30 - it was my first car. That car (named Thunder as it would backfire as the computer was half-dead!) taught me how to fix cars. A blessing in disguise. My 2.5 year old, on my lap now, is getting a junker as a first car to learn the same lessons.

Once the cars started using 10W30, that's all we bought.

Up north, we were cutting over an acre with 3 HP self-propelled mowers. Took all Saturday, every week. It sucked. We'd change oil every 20 or 25 hours and it would get real dark. This was very hard service - we wore several sets of wheels off of them before they wore out. And wear out they did - about every six years - they would gradually lose power and smoke bad. Have fond memories of going to Sears with Dad to buy wheels and cogs...

later,
b
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#1130168 - 04/15/08 08:55 PM Re: 10w30 in crafstman lawnmower [Re: kd5byb]
Bill Kapaun Offline


Registered: 11/15/02
Posts: 788
Loc: Oregon
"I can't remember when our autos started using 10W30 - 1982 or so? "
I started working in a gas station in 1964 and we sold it then.
I'm not sure what year the auto manfs. recommended/required it though.

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#1130342 - 04/16/08 03:03 AM Re: 10w30 in crafstman lawnmower [Re: Bill Kapaun]
jinx Offline


Registered: 01/09/08
Posts: 79
Loc: vancouver, canada
thanks for the replies guys, i'll keep an eye on the oil level.
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#1135689 - 04/23/08 04:45 PM Re: 10w30 in crafstman lawnmower [Re: jinx]
Jaymus Offline


Registered: 05/11/07
Posts: 1260
Loc: Tennessee
I've used it in my Craftsman lawn mower before. No problems. Now I'm trying out 0w-30 Castrol Syntec (GC) in it. It's a 17.5hp engine that usually mows for 3 hours a day, 4 days a week, and I don't shut it off until I'm done each time.
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#1139393 - 04/28/08 11:34 PM Re: 10w30 in crafstman lawnmower [Re: Jaymus]
Gary in Sandy Eggo Offline


Registered: 04/05/05
Posts: 169
Loc: Sandy Eggo
I recollect 10W-30 being introduced in the late 1950's. I was bestowed with the same magic properties then as synthetics are today. The mantra then was to break your engine in with SAE-20 before switching to the 10W-30 which lubricated so well that the engine wouldn't break in properly on 10W-30.

Regards, Gary in Sandy Eggo
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#1140542 - 04/30/08 12:51 PM Re: 10w30 in crafstman lawnmower [Re: jinx]
glazer1972 Offline


Registered: 02/13/08
Posts: 60
Loc: East Texas
Mine is a 1998 22 hp Air Cooled Kohler and the manual says 10w30 (32F and up) and 5w30 (32F and down).

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#1140935 - 04/30/08 07:33 PM Re: 10w30 in crafstman lawnmower [Re: glazer1972]
kd5byb Offline


Registered: 01/25/07
Posts: 724
Loc: Huntsville, AL
 Originally Posted By: glazer1972
Mine is a 1998 22 hp Air Cooled Kohler and the manual says 10w30 (32F and up) and 5w30 (32F and down).

Believe my '94 Kohler Command CV12.5 (12.5 HP) calls for the same...
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'97 Mustang 4.6L, '02 Lancer 2.0L, '07 Tundra 5.7L.
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