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Discussion Starter #1
Seems like there's gotta be some sort of logic in the model numbering system for Lawn Boy mowers. For instance, model numbers after the 8FH13LB style start with a 3, 5, 6, 7 or 8. Seems like the ones that start with 6 are commercial F-engine mowers, non SP. And the ones that begin with 8 are commercial F-engine SP mowers. The ones that start with 7 seem to be 21 inch decks, but deciiding what engine goes on them must be another digit. The ones that start with 10 are obviously, like my 10247. Are they 21 inch steel decks and a later digit says what engine? 22 series appear to be the commercial units like the 22260. Is there like a legend or something available that splains the model numbers?
 

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I wouldn't say it makes you an idiot. I would assume no-one knows for sure the how and why of model #'s. I know I don't.

I thought there was something around here or on the yahoo group lawnboysrus but I'm not sure.
 

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Discussion Starter #6
Hmm, I just could see a hint of logic in the numbering, and have worked at different manufacturing companies where the part numbering system did make sense, once it was explained.
 

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Lawn-Boy Nut
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Oh I'm sure there is some logic, and as you said we can guess at SOME of it.

I've got most of the original parts catalogs from 1960-1981 so here is some info I've guessed at ...

60-70's 4 digit numbers:
1*** seems to mean Edger / Hobby Gardener / Snow Thower
2*** seems to mean Gardener / Tiller
3*** seems to mean 18" deck
4*** various: 1963 4301 is 24" deck ... 1979- 4*** is steel deck push models
5*** seems to mean 19" cast deck (some early were also 18")
6*** seems to mean Commercial Push
7*** seems to mean 21" cast Push deck
8*** seems to mean Self Propelled (cast & steel & comm.)
9*** seems to mean Loafer or Rider

an "E" after number seems to mean Electric Start
an "AE" after number was (Alternator ?? and) Electric Start
an "S" after number seems to mean it had a "Escort" on back
an "R" before number was Rear Bagger
an "A", "B", "C" ... after the part number usually ment sucessive model years of same basic model
a "WB" after number means it was designed to be used with Loafer

My 1984 8125 is actually an 8125P, and I have no idea what that "P" means.

Alpha-Numeric like C19*** / C21*** / S21*** / L21*** / M21*** ...
"C" means Commercial
"S" means Cast Deck
"L" means Steel Deck
"M" means M Series
... number following is Deck Size

letters beyond the deck size ...
the "B" in S21BSN appears to mean BBC
the "E" in S21ESN appears to mean Electric start / Zone (non BBC)
the "Z" in S21ZSN appears to mean std. Zone Start
the "S" in the above 3 appears to mean Self Propelled, swap in a "P" and it is a Push model

I can't guess what the last "M" means, but this digit was either "M" or "N" in all the model codes I've looked at.

If there is a letter after the M or N (I.E. S21BSNA or B) it appears to mean the 2nd or 3rd model year of this particular mower like it did earlier.

Basics ...
4 digit numbers were used from 1956 thru about 1990
Letter / Number Combos were used from 1989-1991
6 digit numbers were used on some 1991-1992 models
and
5 digit numbers were used from 1993 to present

So there is a "start" to this deciphering !!

Doug
 

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Discussion Starter #8
Thanks! That seems to bake a little sense into the numbers. I just had a feeling there was some logic to apply there.
 

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Good summary, dougmac. In looking at a matrix of models, it does seem that some of the newer 5-digit models more closely resemble what Toro was already doing when they acquired Lawn-Boy.

PRattenbury, Do you really want to do some analysis on this? Do you know some MS Excel (or Access, etc) kung-fu?

Maybe something like this is already out there, but here's a list of all of the Toro and Lawn-Boy mower models' information by year that I could find on their web site site. It took a bunch of parsing to create it, so hopefully I got it right...

View attachment ToroLBModels.zip

Simply unzip the .CSV file and you can import it into your tool of choice so you can sort, group, filter, search slide, dice, etc. If you open the .CSV directly in Excel (for example), you'll need to adjust column widths, etc. to make it display correctly.

It has all of the elements found on this example page of the 22261 (without the warranty stuff).


I've got another one with everything else from Toro's site, but it's too big (>200K) to upload here. If someone wants it, we'll figure out a way. I'm betting anyone associated with Toro has access to something like this, but I could not find it. FWIW, the all-models file contains...

Brand #Products
--------------------------
Arctic Cat 12
CNH 533
Craftsman 7
Generic 86
Gilson 6
Goossen 16
Hahn 227
Hayter 16
Lawn-Boy 2062
Olathe 441
Ryobi 6
Southern Green 9
Toro 16632
Wheel Horse 2155


Product Types #Products
--------------------------------------------
Aerators 317
Attachments 8062
Automated Debris Retrieval Systems 11
Blowers/Vacuums 323
Commercial Debris Blower 174
Compact Utility Loaders 121
Compact Utility Loaders, Attachments 476
Dethatchers 151
Edgers 22
Engines 268
Frames 239
General Tractors (Commercial Only) 123
Lights 100
Misc 263
Pruners 5
Riding Products 4373
Seeders 77
Snowthrowers 1134
Sprayers 278
Spreaders 32
Sweepers 269
Tillers 116
Top Dressers 36
Trenchers 9
Trimmers 692
Unknown 1
Vehicles 380
Walk Behind Mowers 4156
 

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Discussion Starter #10
Yeah, I'm fairly dangerous with Excel or Access. I'll have to get an unzip utility and hack at it some. Thanks!
 

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Lawn-Boy Nut
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Wow JDM ... that speadsheet is incredible !!

By model year also (ideal) ... just got to get the Toro models out of there !!

Doug
 

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Lawn-Boy Nut
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Maybe add a link under the Sticky "Useful Links"

:thanku:
I was going to suggest that, but forgot ...

BRAD or other MODS ...

have any of you opened up this spreadsheet yet ??

Doug
 

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Lawn-Boy Nut
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I'm messing around with JDM's spreadsheet ...
http://www.mytractorforum.com/attachment.php?attachmentid=77222&d=1253375090
... in Microsoft Excell.

So far I've eliminated all the Toro models which leaves us with approx. 1380 different Lawn-Boy mower models built to date.

For eaiser reading, I've added a space between model years and added a 5 line header to the top of each page. In "landscape" format, it is 43 pages long and 2-1/2 pages wide. I'm still working on squeezing some data so I can get it to all fit in a 2 page wide format.

Doug
 

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Lawn-Boys Everywhere
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It would be great to have this information on a web page that showed the spreadsheet information and allowed members to link pictures of their mowers under each model / year entry.

If you were wondering what a mower looked like or who owned one, you could click on a link to the pictures.
 

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argh.... :comp26:

Just a note that I sort of fouled up on the final export run to the .CSV file. If you look at those items with a PRODUCT_SERIES = "Walk Power Mower, J.C. Penney" (1980-1985), you'll see that the four-digit models without an alpha suffix that are supposed to have a leading zero probably get imported as a number (ex: 292, 392, 427) instead of a character string (ex: 0292, 0392, 0427).

Just a heads-up in case a search for a JCP model by actual model number yields no results.

Another FYI on those leading-zero JCP models, on LB's parts look-up page where it asks for the model number, even though they don't appear in the "View Model List", you can still enter the actual model number (ex: 0292) and get the usual info.
 

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Discussion Starter #19
It would be great to have this information on a web page that showed the spreadsheet information and allowed members to link pictures of their mowers under each model / year entry.

If you were wondering what a mower looked like or who owned one, you could click on a link to the pictures.
Good idea, especially if you were restoring one and needed details about that particular model.
 

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I looked at the spreadsheet and I couldn't find my LB model number (5150).

And the engine is a C-12B (I couldn't find that either).

 
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