Antique Massey Harris Tractor: Massey-Harris GP
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The GP was an entirely new design for Massey-Harris and was first announced in 1930. The four-wheel-drive design was very advanced for the time. It was equipped with a Hercules 4-cylinder 226 CID engine with a rated speed of 1200 RPM. |
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Comments on this Tractor
Galen VanderPol wrote on Friday, August 31, 2012 (PDT):I have Massey Harris GP with a Hercules 4 cyl. that needs a manifold. It has Massey Haris casted on it.Need help finding one. 605-680-6262
Duaine Flanders wrote on Wednesday, June 27, 2012 (PDT):I need a 24 inch rim for a 22 MH tractor can you help me 320-760-2820
harlan radke wrote on Thursday, November 10, 2011 (PST):Does anyone have any information of the massey-harris 203 tractors bult in the 19640 s. was there ever a 203 diesel I have a 202 and a 203 gas.
markbuck wrote on Friday, August 19, 2011 (PDT):Just got back from a tractor auction in corsica sd. Ran across a very unique little tractor I have never seen before in my life. It had been previously restored and ran this morning. Shot some pictures so I could do some research and sure enough it is a gp. Year unknown but had rubber tires and a flat head hercules engine. Sold for 14,500. One of the coolest little tractors I have ever seen.
Ossie Fargher wrote on Saturday, May 28, 2011 (PDT):I am restoring a Massey Harris GP Have been told according to it s serial no it is the first off the assembly line with the Hercules OHV engine and am looking for a magneto, manifold and steering box components. The tractor is in New Zealand
C. Rich wrote on Friday, September 17, 2010 (PDT):I have a 1935 Massey Harris on rubber , I believe overhead valve engine, on rubber Had been restored when put in barn a few years ago. Can anyone tell me what it is worth
Paul Lieffertz wrote on Sunday, November 15, 2009 (PST):I have a MH GP SIX-CYLINDER experimental with steel wheels running condition. 1 of 3 known to exist. Open to offers or bid on it at an upcoming auction. Info, pictures and video available. plieffertz at shaw.ca
Paul Lieffertz wrote on Sunday, November 15, 2009 (PST):I have a MH GP SIX-CYLINDER experimental with steel wheels running condition. 1 of 3 known to exist. Open to offers or bid on it at an upcoming auction. Info, pictures and video available.
Paul Lieffertz wrote on Sunday, November 15, 2009 (PST):I have a MH GP SIX-CYLINDER experimental with steel wheels running condition. 1 of 3 known to exist. Open to offers or bid on it at an upcoming auction. Info, pictures and video available.
Terry wrote on Wednesday, September 23, 2009 (PDT):I have a Massey GP for sale. It is on flat faced steel. Has a belt pulley and pto. Very complete. e-mail if interested.
Todd Berkebile wrote on Thursday, September 10, 2009 (PDT):I am interested in purchasing a GP. any for sale 814-288-6648
Ben Walker wrote on Monday, May 19, 2008 (PDT):I am looking for someone to display a MH GP at the Root River Antique Engine and Tractor Show near Spring Valley MN July 18, 19, 20. We are featuring AC tractors and Vintage 4WD tractors . A GP would be a huge attraction and we would love to see one here!
Hazel Robertson wrote on Tuesday, March 04, 2008 (PST):My father now aged 78 remembers starting his carreer on a Massey Harris G.P. crop market, circa 1930, he has never seen one since that time,continues to look round argricultural/vintage rallies/shows. The one he used had 4 wheel drive operated through the use of right and left sided brakes.He had never opperated anything like it before and a 4 cylinder hercules engine and metal wheels, I am trying to find out any information on that model and any old photographs so if any one out there can help I would love to hear from you, Dad was in the scottish borders at the time. Herriot area I think. hopefully someone out there can help. regards Hazel
Pete Johnson wrote on Wednesday, August 15, 2007 (PDT):Just came into a 1930-s massey harris gp my dad has been trying to get for many years.The original owner passed away and his son decided we shoud have it.It needs a hood,radiator and some other stuff. Its on steel and otherwise looks good. Can anyone tell me where I might get parts either used or made
Stan Kick wrote on Thursday, March 15, 2007 (PST):I am looking for a cast aircleaner for Massey Harris GP 1934. Would anyone know where I might get one. Please help. Cell 1 780 288 0680. Edmonton, Canada
lynn wrote on Monday, March 06, 2006 (PST):I work for a gentleman who loves Massey Harris tractors. It reminds him of his childhood. anyway he has one and it needs some refurbishing. The only numbers I can find on the tractor are located next to the clutch plate Those numbers are 30 G (R?) or P 3096 could this possibly be the model and serial #
Tom Parrett wrote on Wednesday, November 30, 2005 (PST):I just bought the service manual for the 4wd GP. It is pictured with steel wheels. the booklet is not dated but says Service Form 51. If anybody wants a copy, let me know.
Dave Doane wrote on Tuesday, August 09, 2005 (PDT):I just purchased a GP Massey Harris 4 wd, I don't know much about it and would appreciate any information on these old tractors. I need pictures and parts, any information would be appreciated.
barrie bent wrote on Friday, April 29, 2005 (PDT):barrie w. bent wrote on friday April 29,2005(PST); i have #(1)1935 fwd mh gp tractor on rubber running fine with foreign carb,herc.engine,app.1935 ohc 4x41/4 w/starter.#(2) 3/4 fwd, older model,flat head,(missing-rad,steering,mag)siezed, on steel. #(3)older model,have only main frame casing and innards w/steel wheels.looking for kingston carb supposidly fits '35 model.apparently mh made 5 sizes of tractor,(witdth)and I have #1,#3,#5! e-mail NS Canada. I did not realise the last time I put this add in it had the wrong address,SORRY to those that tried.
Barrie Bent wrote on Tuesday, April 26, 2005 (PDT): Anyone know where I can find a radiator for a 1936 4WD GP, or maybe where I can have one made? Please send e-mail.
Jason Taylor wrote on Monday, April 25, 2005 (PDT):I am in need of a hercules 3000 head or complete engine for a 75tm trackmobile fast please respond as soon as possible jason taylor 713-545-5187 thanks
cory wrote on Wednesday, March 23, 2005 (PST):Anyone have a massey GP 4WD for sale? Doesn't matter what shape.
Bob wrote on Thursday, March 17, 2005 (PST):My Buddy has a GP 4wd. He says its all there and it ran when it was parked. We're going to get it unburied from his storage area and see if we can get it going. Any U.S. Citizen... who's an honest person (No scammers or bull-shooters) out there interested in making an offer for it?
Ray Gilmore wrote on Tuesday, January 18, 2005 (PST):My GP is one of the last builds as it is the army green colour with red steel wheels, the same paint as my `37 Pacemaker. Mine is one of a few built with a Massey Harris engine, the only tractor engine that Massey ever put their name on. (as far as I know)
Jim White wrote on Monday, November 15, 2004 (PST):I have recently bought two GP'S, one on steel wheels and one on rubber tyred wheels.Both have the hercules flat head engine.I require a 11x26 tyre to complete the restoration. Can anyone out there help!!!!!!!
Jim--Illinois wrote on Saturday, September 25, 2004 (PDT):I need an exhaust manifold for a 1932 Massey-Harris GP with a Hercules OOC flathead. Also can someone e-mail me a picture of both ends of the intake pipe on the tractor. I have the pipe, but it is missing something to hook it to the carb and the air cleaner box. Thanks for any help.
jared schmelzenbach wrote on Thursday, September 23, 2004 (PDT):can anyone give me the value for a MH GP? it isnt in running condition but everything in decent shape on it.
Nate Ary wrote on Tuesday, July 20, 2004 (PDT):I have a 1930 MH GP. It is grey with red steel wheels. It runs a little rough because it has a AC WD45 carb on it. Cant seem to lean it out enough. The tractor stays running though and looks good. The right brake drum is half broken so it only brakes one direction and that is directlry to the left. The serial number is 301652. Any one know where I can get an OEM Zenith carb for an OOC Hercules? The number is 0-11722 or an original Tilisen carb for the GP? Email me at super_dak2000 at yahoo.com. Thanks!
Nate Ary wrote on Tuesday, July 20, 2004 (PDT):I have a 1930 MH GP. It is grey with red steel wheels. It runs a little rough because it has a AC WD45 carb on it. Cant seem to lean it out enough. The tractor stays running though and looks good. The right brake drum is half broken so it only brakes one direction and that is directlry to the left. The serial number is 301652. Any one know where I can get an OEM Zenith carb for an OOC Hercules? The number is 0-11722 or an original Tilisen carb for the GP? Email me at super_dak2000 at yahoo.com. Thanks!
Walter Hoskin wrote on Saturday, May 08, 2004 (PDT):I took my MH GP 4WD to the Milton Ontario Massey Harris Show in 2003. Found it very interesting as four 4WD MH GP entered. The serial number of one of the other tractors shown was just two numbers apart from mine. I'd enjoy hearing from other GP owners. My serial number is 301980 66" tread. I believe that the other tractor's serial number was 301982 - could check if someone was interested in knowing. Still need one part R085D airwasher box - I have the two lids. Keep in touch. Thanks! Walter E. Hoskin 519-587-2072
M&M SURPLUS wrote on Friday, April 23, 2004 (PDT):M&M SELLS HERCULES AND CONTINENTAL ENGINE PARTS. LOTS OF NEW OLD STOCK. CALL 845 469 3597
Brian Glenn wrote on Thursday, March 25, 2004 (PST):Mark I am looking for a G.P. Please send me more info if you can thanks Brian.
Trent Hazlip wrote on Wednesday, March 17, 2004 (PST):Mark I am interested in the GP you have. Do you have Pics that you can email? Thanks
Mark Gluck wrote on Sunday, March 14, 2004 (PST):I have a 1931 Massey-Harris GP with rubber tires on round spokes for sale. It's in good condition but needs an engine overhaul.
Dan Richards wrote on Saturday, January 31, 2004 (PST):I have a question about the GP's. Does anyone know where the tractor was manufactured? Thanks in advance! dan
Bill Bate wrote on Friday, November 21, 2003 (PST):The MH GP was a wonderful tractor for pulling stumps. Dad cleared his farm. Sometimes it would get stuck in the spring bog here in Indiana. Tie a fence post to the front wheels with a log chain and it would come right out. It also went through fences quite well.
Wayne Satre wrote on Thursday, November 13, 2003 (PST):Here at the shop we have just completed painting and assembling a 1930 GP on steel. The engine has been over hauled and the rest of the driveline has been checked and lubed. All that is left is carb and fluids and its ready to fire. At present we know of about half a dozen of these machines here in SE SAskatchewan and SW manitoba; i have not seen them all, but the word is they are complete and running. The last one I saw was in a museum in Elkhorn Manitoba and it was on rubber. The one we done is battleship grey with red wheels, looks sharp we're just waitng for the owner to make noise out of the straight pipe.
Alan A. Keimig wrote on Saturday, June 07, 2003 (PDT):I note that my E-mail is not automatically listed in the above information. If you wish photos of the Colorado Massey-Harris GP tractors I am at alan-a-k at juno.com Thanks AAK
Alan A. Keimig wrote on Saturday, June 07, 2003 (PDT):There are at least two of the Massey-Harris GP tractors in museums in Colorado. One is at the museum in Montrose [The former Rio Grande R.R. station]. The other is at the Strasburg museum just East of Denver. This one was first owned by Frank Winters and he donated it to the museum. If you wish photos, or want "the rest of the story", please contact me.
alster wrote on Tuesday, May 20, 2003 (PDT):My Grandfather bought a 1930 model brand new in 1931. My father still has the bill of sale for this tractor. It sat in a shed on my uncles farm for 25 years sinking into the dirt floor when my father decided to get it out and clean it up for the upcoming centennial parade. He had a rebuilt mag that had been sitting around for years and found some plugs that weren't in too bad of shape. We dug a hole in the front so we could crank it and crank it we did. I was 15 years old and the time and kept telling dad, "Let's just hook a chain on it and pull it out so we can work on it!" Dad said, "I backed it in here. I'm gonna drive it out!" And sure enough, after a couple of hours of cranking, it fired up and he hopped on it and drove her out into the sunlight for the first time in 25 years. Now, 34 years later, it's been sitting in a shed on the farm I grew up on and has not run for probably 15 years at least. Dad did a lot of work on it and took it to several parades during the 70s and early 80s. It WAS Massy red with gray wheels, but he repainted it the correct "tool gray" after that first centennial parade where he drove it through in all it's dilapidated glory. Wonderful tractor and dad has lots of memories about it. (not all pleasant either!)
Terry care of Toni wrote on Tuesday, April 22, 2003 (PDT):I have a GP 4wd Massey-Harris 1936 flathead Hercules motor. I need the formula for the paint colour which is a green with red wheels. Any help or information would be great!
william fultz 724 423 4517 wrote on Wednesday, April 16, 2003 (PDT): i have a gp fwd massey harris on steel for sale. year unknown.
walter hoskin wrote on Friday, April 04, 2003 (PST): can someone help me locate a cast air washer box for my 4wd gp. thanks for any help.you can at hoskinwh at kwic.com or ph 519 587 4551
Mike Schwarz wrote on Sunday, February 16, 2003 (PST):I have a 1930 GP #300302 it is in good shape. It is the wide model 8' wide. It has belt pully and a draw bar and a mechanical lift on the back. I paid $3000.00 for it. Can you tell me what it is worth today? Looking for equipment that was used on the lift. Looking forward to hearing from you. Thanks Mike Schwarz
Robert Whitaker wrote on Friday, January 17, 2003 (PST):Would like to buy an old 4-wheel drive Massey Harris. Prefer one that will run. Doesn't matter about looks or rubber.
J Young wrote on Thursday, November 07, 2002 (PST):Back in the 50s my greatgrampa had an old Massey Harris GP. My grampa told me they used it logging. After that he sold it to my other greatgrampa and bought an old cletrac dozer to take its place.
mj wrote on Friday, November 01, 2002 (PST):Regarding Hercules engines; I owned a '49 Diamond T in the '70s that used a Hercules flathead 6. I got parts (valves, ignition pieces, etc.) for the engine at NAPA. That engine, by the way, was a torque monster! It was about (as I remember) 320 cu.in. and would pull down to almost nothing before you had to downshift.
THOMAS M SHERIDAN wrote on Thursday, September 26, 2002 (PDT):I WORKED FOR MASSEY HARRIS OUT OF THE OMAHA BRANCH IN THE SERVICE DEPARTMENT. EMIL DOLL THE SERVICE MANAGER AT THAT TIME[1951]TOLD ME THAT THE GP WAS ENGINEERED AS AN ARTICULATED CENTER BUT THAT WAS TABLED BECAUSE OF THE HIGH COST OF MANUFACTURING. HE SAID THAT IT WAS A FANTASTIC MACHINE. HAS ANYONE EVER SEEN ONE OF THESE? I;M REALLY NOT SURE IF ONE WAS EVER BUILT, OR IF EMIL MEANT THAT IT WAS A FANTASTIC IDEA. ERIN GO BRAUGH!!!!!!!!!!!!!
geoff gauger wrote on Sunday, February 24, 2002 (PST):Is the GP tractor in demand by collectors? I have the opportunity to buy one, restored.
Jerry Thomas wrote on Wednesday, January 23, 2002 (PST):I'm looking for a water pump or parts to rebuild the water pump on my 1936 GP w/overhead valve engine. Any ideas where I could find the seals or other parts? Phone 630-879-5899
marcus walldroff wrote on Tuesday, January 22, 2002 (PST): i have a 1930 gp on steel need engine parts can you let me know some one that has parts
Mike Meyer wrote on Saturday, January 19, 2002 (PST):My dad purchased a used GP on steel at a auction in 1947 for $150.00. It took him 3 full days to drive it home. We used it on our farm in Aitkin MN. We sold it to a lumber mill where it did belt work untill the engine failed. it was scrpped at that time. I have many good memories about this tractor and would like to buy one but good ones are out of my price range.
Jared Schmelzenbach wrote on Sunday, August 26, 2001 (PDT):I finally purchased the 193? Massey_Harris. I can barely make out the serial # . i think it reads 300306. If anyone can give me more info. about it .i would realy appreciate it . Any info. on parts would be great also. thanks.
Jared Schmelzenbach wrote on Sunday, August 26, 2001 (PDT):I finally purchased the 193? Massey_Harris. I can barely make out the serial # . i think it reads 300306. If anyone can give me more info. about it .i would realy appreciate it . Any info. on parts would be great also. thanks.
Graham Eunson wrote on Thursday, May 17, 2001 (PDT):The New Zealand club at south canterbury of which i belong has just been given a MF GP by a past members estate.Today i got the motor running by the belt pulley and a club AC WC, could anyone tell me the valve clearance please, regards GE
paul d, schenck wrote on Wednesday, December 13, 2000 (PST):I have a 1938 gp industrial it goes 9mph down the road. It has a 6 cylinder flat head hercules motor,
Geldof Michel wrote on Wednesday, October 25, 2000 (PDT):We bought some 3 years ago a MH GP 4WD in Canada - Manitoba. We rebuild the tractor complete with succes. Now we have some problems with Spark Plugs. We are looking for the original (or equivalent) spark plugs. Now we have spark plugs from "AUTO LITE transport TT8", are these original? They always did very good there job just till now. Can somebody help us to find the right spark plugs? We are from Belgium and have a have a wide collection of antique tractors (some 120 rebuild). e-mail us please; steven.vanderbeke at geldof.be
Jerry Thomas wrote on Sunday, September 24, 2000 (PDT):I'm the third owner of our 1936 MH GP. We use it yearly to compete in plowing matches, along with a MH #26 plow. The steel wheels and V lugs make for tough steering unless you're moving and unfortunately, the years of use have left a lot of play in the steering. In spite of this, we've done quite well in competition, placing in the top 5 for the past 8 or 9 years. Twice, we've won first place. You get used to the play and once the wheels are in the furrow, the tractor doesn't "hunt" nearly as much. My opinion as to why they weren't a commercial success in the Midwest is that they are under-powered for plowing applications. 2-12's in hard black soil are about all it will pull for any length of time. Parts are difficult to find and expensive, if available at all. (I'm currently looking for some drawbar parts and a radiator for the overhead valve engine, if anyone knows of one.) The appearance and uniqueness of this tractor make it a conversation starter anywhere it goes. Most people wonder how it steers and are surprised that it introduced 4 wheel drive way back in 1930. It is a great chance to tell people about some of the other innovations that MH pioneeered.
Ken Ingersoll wrote on Friday, September 22, 2000 (PDT):I have a Massey-Harris GP 4WD 1930-1935 model with a flathead Hercules engine. This was my dad's tractor and when he needed an engine for it, he found the exact same hercules engine on an industrial water pump. Persons looking for engines should look up hercules engine company and find out what other uses they used for this engine. Anyone who has never driven a MH 4WD GP, your in for a surprise! Make sure you have a large open area, steering is hard and can be assisted by breaking separate wheels. The clutch is hand-operated and it will take a while to get used to. This was a great logging tractor. Many great memories with it!
tom dixon wrote on Saturday, September 09, 2000 (PDT):i have a massey harris 4wd, a 1930-1935 model, i was wondering were i could get an engine for it, the block has been welded on mine, and it is also seized. any help would be appreciated.
jared schmelzenbach wrote on Friday, September 01, 2000 (PDT):i found a 1930 massey-harris general purpose in an old building on 200 acres behind my house if anyone knows if this tractor is of any value i would like to know because the place hasnt been visited in years so i would like to know that way i couls contact the owner and try and buy it
Gene Wirsig wrote on Wednesday, August 30, 2000 (PDT):My grandpa bought a GP new in 1935 (I think) but traded it in on a model 25 in 1937. The model 25 was a good tractor, but I wish he'd kept the GP.
Don Ellingson wrote on Monday, April 03, 2000 (PDT):I own a 1931 mh gp with a 4cyl engine tractor in complete runing condition except engine govenor.Anyone knowing where I could find one?
ed wrote on Friday, March 17, 2000 (PST):I have GP 4wd Mh with over head hercules engine. If you are still interested in model # I will get it for you.
Maurice Butler wrote on Saturday, March 11, 2000 (PST):I first learned to drive a tractor at a very young age on my Dad's 1938 "challenger". It was very easy to drive with very easy steering for it's time, and the oil clutch. Wish it hadn't been scraped! Does anyone know where one in running cond' is for sale? I have seen one at The Agriculture Hall of Fame.
Doug Rogers wrote on Monday, February 28, 2000 (PST):Some of my fondest boyhood moments was driving my dad's Massey Harris. I don't know the year or model, but this tractor had steel wheels that set back with most of the motor extend in the front. You cranked it to start it, and it went EVERYWHERE! Could anybody give me a clue about model, etc.?
Jim Cobb wrote on Thursday, September 30, 1999 (PDT):I am looking for a set of rings for a 00C hercules engine from a Massey Harris Gp. ( .080 oversized }
Douglas Burris wrote on Wednesday, May 26, 1999 (PDT):If anyone is trying to contact me re-MH GP, my adress has been changed to dburris at ns.sympatico.ca
Greg Ballachino wrote on Friday, May 21, 1999 (PDT):I own a 1930 ooc massey 4-wheel drive 1935 models had a ohc hercules
dennis beebe wrote on Thursday, May 13, 1999 (PDT):mr.burris are there any mh4wdgp for sale anywhere?if so let me know.
Doug Burris wrote on Wednesday, April 14, 1999 (PDT):I own a MH 4wd GP. It is a 1937 model and has an overhead valve engine in it. The older series- 1930 -1935 had the flathead Hercules engine. It has been in our family since new. Can anyone tell me the builder of the overhead engine. Is it Hercules also, if so what is the engine model. My engine tag is gone. I am looking for a complete engine or engine block and a rad for my tractor.
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