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Hi! I am in need of help fixing my Gravely tractor. It was given to me as a gift from my grandfather a couple of years before he passed. (William Jack Mitchell). I think it is the engine that needs to be rebuilt possibly? Could go but a new tractor but would like to repair the one given to me. My grandpa was a huge fan of Gravely and traded and sold and repaired them for many many years. Please let me know if you are local and can help. I live in Wellsville KS. Thanks! Sharleen.
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Hi, welcome to forums. Wow! That is a real different rig! I have never seen one before. That can't be all that old. That seems to be a normal twin engine, should be able to be fixed or rebuilt if needed. I would have a shop look at that first and see if mouse nests in it or other odd things if it is not running. Just make sure they don't take advantage of you because you are female and don't know mechanics of things. Have you tried starting it? What kinds of things happen? If it has been outside for long time, might need new battery, better gas, cleaning of carb at least and as said, looking for mouses in shrouds and air cleaners first. Kinda neat machine and looks heavy made. Good luck!
 

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:wave: Welcome to the forum! That is a unique Gravely you have there, never seen one of those. If I can figure out what it is, maybe we can get to the engine issues.

Looks like a model & serial will be needed to find a manual for this!
 

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What you have there is the Gravely pro master, it's part of the pro series lineup. I'm not overly familiar with them but I seem to remember hearing of the 50 and 60 series which I believe has to do with the mower deck size. If that's true then you have a 50 series due to the 50" deck.

The unit came with either a 16, 18 or 20 horse power Kohler magnum which any good small engine shop or mechanic should be able to work on.

I looked around sites that I frequent but was not able to find any manuals or IPL's for your machine. I did however find a brochure but it's not on this site. There is also nothing available here in the manual section.

With permission I will post a link to where I found the brochure. I'm not sure if it's against the rules to just put an external link to another tractor site.
 

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Discussion Starter · #6 ·
What you have there is the Gravely pro master, it's part of the pro series lineup. I'm not overly familiar with them but I seem to remember hearing of the 50 and 60 series which I believe has to do with the mower deck size. If that's true then you have a 50 series due to the 50" deck.
The unit came with either a 16, 18 or 20 horse power Kohler magnum which any good small engine shop or mechanic should be able to work on.
I looked around sites that I frequent but was not able to find any manuals or IPL's for your machine. I did however find a brochure but it's not on this site. There is also nothing available here in the manual section.
With permission I will post a link to where I found the brochure. I'm not sure if it's against the rules to just put an external link to another tractor site.
Thank you
 

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Discussion Starter · #7 ·
Hi, welcome to forums. Wow! That is a real different rig! I have never seen one before. That can't be all that old. That seems to be a normal twin engine, should be able to be fixed or rebuilt if needed. I would have a shop look at that first and see if mouse nests in it or other odd things if it is not running. Just make sure they don't take advantage of you because you are female and don't know mechanics of things. Have you tried starting it? What kinds of things happen? If it has been outside for long time, might need new battery, better gas, cleaning of carb at least and as said, looking for mouses in shrouds and air cleaners first. Kinda neat machine and looks heavy made. Good luck!
Thank you for you help and suggestions
 

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Any good small engine shop should be able to get the old girl running again barring any major internal engine issues. If you have any lady friends that are married, you can always have one of thier husbands go with you to the shop to set up the repair and make sure they follow thru. I do this for my wife and a couple of her friends that have had issues in the past. Some shops just cant get with the times and treat people fairly. If you were near where I live, I would take a look at it as I am a small engine mechanic. Mike
 

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I just acquired one of these at auction. This is what I have learned so far:

1987 GRAVELY PROMASTER 60

ENGINE Kohler M20 M20S (S=electric start)
SPARK PLUG Champion RV17YC - 71G (GAP 0.035)
AIR FILTER Kohler 47 083 01 Engine Air Filter
PRE FILTER Kohler 52 083 01 Engine Air Pre Filter
OIL FILTER Kohler 52 050 02 (Extra Capacity)
OIL SAE 30 (1.5 QTS)

FUEL
FUEL FILTER Kohler 25 050 22 (engine with fuel pump) 51 micron
FUEL SHUT OFF Oregon 07-403 Valve for 1/4"

TIRES
DRIVE TIRE 20-10-10 stock "turf" (should fit 22-10-10 to to 23-11-10 AG TIRES)
REAR TIRE 4.80-4.00-8

TRANSMISSION
TRANNY FILTER Gravely 040172 (CARQUEST 85622) (FRAM HP1) (ACDELCO PF2149)(NAPA 1622)
TRANNY OIL 20W-50 Synthetic

DECK
DECK ROLLER Scag 48038 (plastic may need cut to fit)
DECK TIRE 2.80-2.50-4
 

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