ZXB3 Hercules engine (AVERY V)

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staninlowerAL
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ZXB3 Hercules engine (AVERY V)

Postby staninlowerAL » Wed Feb 24, 2021 8:18 pm

I'm about ready to get into the engine on one of my AVERY V tractors. The engine is partly disassembled and came to me in that condition. Hopefully there is someone on the FORUM who has some knowledge/experience that they are willing to share. This is my first experience with the HERCULES ZXB 3 engine so any and all information is appreciated. I do have the I&T service manual and parts manual. Thanks, Stan.

Gary Dotson
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Re: ZXB3 Hercules engine (AVERY V)

Postby Gary Dotson » Thu Feb 25, 2021 8:51 am

I've never been into that specific model but in general, some Hercules parts are difficult to come by. Try to determine what you're going to need and see if you can find a source before you get too committed. There are a few sources who specialize in Hercules parts but their coverage is very limited. One that comes to mind is Hercano Propulsion in Newark, Ohio. Phone: 740-745-1475 They're probably the leading supplier.

muleboss
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Re: ZXB3 Hercules engine (AVERY V)

Postby muleboss » Thu Feb 25, 2021 11:24 am

Not an expert but I did rebuild one few years back. I ended up boring each cylinder and sleeved them and then bored each sleeve to fit one of the original pistons. Pistons were okay but cylinders were egg shaped .Got parts from a lot of different places. The shop that bored it for me found a lot of them for me. (They are now out of business so that is no help. It was along process, but now complete. Also converted to 12 volt while doing project.
I have some a few extra parts as I had 3 at one time.
101_0583.JPG

Attached a couple of pictures.
101_0558.JPG

staninlowerAL
10+ Years
10+ Years
Posts: 4085
Joined: Fri Oct 29, 2010 11:34 pm
Zip Code: 36558
Tractors Owned: Cubs: (3)'49's, (1 is parts), (1)'57 IH Cub LoBoy w/FH, (2)154 Number Series Loboys, (1 is parts), '76 Longstripe w/FH, Mowers: C-22, Bush Hog 412, Pennington 59, Woods RM42CF, Woods 42, assorted FCub plows, planters, discs, etc. OTHERS: '49 AC B & Ind. Sickle mower, '61 AC D12 Ser 2, '52 8N, '56 Ferguson 35 Deluxe, '53 MM BG (offset), (2) '49 Avery V's, '51 JD M (regular), '56 JD 420C, with Blade and fire plow, '85 JD 850 (Yanmar) w/72" belly mower, '76? Yanmar 2TR15 1500 & Bush Hog SQ42S-2 mower, '78? FORD Dexta, '86 FORD LGT14D & 48" Mower, (3)Cub Cadets & Mowers (MTD), (4) Sears Surburban's, other MTD mowers, Jeeps & other misc. "treasures"
Circle of Safety: Y
Location: AL (Southwest)

Re: ZXB3 Hercules engine (AVERY V)

Postby staninlowerAL » Thu Feb 25, 2021 8:51 pm

Thanks for the replies, now if I can just get some of my other projects out of the way, maybe I can start looking into what's going to need to be done.


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