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Antique Miscellaneous Tractor: Rock Island G-2

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This 15-25 "G-2" model began production in 1929 and was the same basic design as the 18-35. It weighed 4,200 pounds and used a Waukesha 4-cylinder engine. Production ended with the sale of the company to J.I. Case in 1937.

Rock Island G-2 Tractor


Do you have any comments or questions about this tractor? Ever use one? Know anyone who owned one? If so, please join in on the discussion below. Use the form for entering your comments.

Comments on this Tractor

wayne tanner wrote on Tuesday, August 27, 2013 (PDT):
  • I have 1930 rock island G-2 15-25 for sale s.n. 100085 repainted and new decals runs great and looks great too. I have plowed a little with it and ran my threshing machine with it as well. if interested give me a call. 715-554-2839
    Oran wrote on Wednesday, August 07, 2013 (PDT):
  • I was wondering if anyone had a Rock Island G-2 15-25 for sell. Thanks. 812-871-6452
    wayne tanner wrote on Sunday, August 12, 2012 (PDT):
  • I have a 1930 G-2 15-25 Rock Island repainted new decals, and interested in selling it. runs great and have run my threshing machine with it and have plowed with it. ser.# 100085. I know they aren t real common therfore of more value then 10-20 mccormick or tractors like that.If intrested or know someone that is contact me.
    Alan Brandle wrote on Sunday, April 29, 2012 (PDT):
  • I have a 1927 Rock Island Model F tractor. I am looking for a belt pulley, The part NO. is TF-510 , according to the manual. If someone needs pictures of the manual i would be happy to send.
    steve wrote on Sunday, July 18, 2010 (PDT):
  • Have rock island tractor with waukesau and need the firing order and is the front cylinder number one. thanks steve
    Gary Velde wrote on Monday, July 12, 2010 (PDT):
  • I just bought a 1931 Rock Island G2. It has been fully restored. Its runs good. I paid 3100. for it. Anybody know if I got a good deal
    chuck cramer wrote on Thursday, November 26, 2009 (PST):
  • I have owned a mod 18-35 F RockIsiand tractor for 30 years or so . I also need parts for mine . do have orig man and some orig ads from farm mag chuck cramer 715-235-4084
    Darlene wrote on Wednesday, October 07, 2009 (PDT):
  • What is a Rock Island 15-25 worth. It is complete
    Dick wrote on Saturday, July 25, 2009 (PDT):
  • Hi, I m looking for a 4 cylinder engine wth separate cylinder blocks in pairs. Waukesha, Buda, Mack, American Lafrance,Ingersol Rand etc. Please email with info.
    Jim Brehmer wrote on Tuesday, May 19, 2009 (PDT):
  • My Dad bought a Rock Island new in 1933. We sold it to a collector in the family in about 1980. It still ran and I recall using it once in about 1958 to pull one of our other tractors out of a mudhole. I recently heard that it has been totally restored and is in Indiana. I think I may still have some parts for it. Possibly a carburetor and magneto.
    ronald clingan wrote on Friday, April 10, 2009 (PDT):
  • I m in the process of restoring the family 1929 15-25. It has t been running in 25 years. The clutch is seized on it, we ve been soaking and turning and it still won t break loose, does anyone have any ideas short of tearing the tractor apart I m also looking for front steel wheels and a front end or specs to fabricate one, it currently has an international front end. As always, any help is appreciated.
    vincent wrote on Friday, March 27, 2009 (PDT):
  • I was wondering if Kevin found the colors of a 15-25 Rock Island and also the decals for a Serial #100006
    Kevin wrote on Sunday, June 22, 2008 (PDT):
  • I need to know the colors of a 15-25 Rock Island
    Steve S wrote on Saturday, March 22, 2008 (PDT):
  • i M LOOKING FOR OVERHAUL KIT FOR ROCK ISLAND WAUKASHA ENGINE. ANY INFORMATION WOULD BE GOOD THANKS
    Howard S wrote on Sunday, September 16, 2007 (PDT):
  • Looking for parts for Buda YR Engine. Any leads would be appreciated. Were these engines in other machines, e.g. trucks maybe Thanks
    Matthew Kramlich wrote on Wednesday, September 05, 2007 (PDT):
  • My father in-law has a Rock Island model G, not a G-2. I believe it was built in either 27 or 28. It has the Waukesha engine that is cradled in engine frame rails. I have done a bit of research on this model and I get the impression that the G model is extremely rare. Does anyone out there have an estimate on the value of this tractor It has not run in a long time and needs complete restoration, but the entire tractor is complete minus the magneto on the engine. Otherwise nothing is missing.
    Dennis Begyn wrote on Monday, September 04, 2006 (PDT):
  • any info on a hieder/rock island. My tractor has both names stamped on it at the same time. 309-235-7223
    Matt Lamendola wrote on Thursday, December 08, 2005 (PST):
  • i recently bought a rock island type"F" tractor to restore and it seems that the idler gear has been taken out of it. if you have a spare or if you know of someone that has one please contact me as soon as possible. thanks matt lamendola
    Dan Bock wrote on Monday, March 07, 2005 (PST):
  • I am helping a friend who just bought a 15-25 look for a hood and fenders. Any help or information would be greatly appreciater, thank you
    BOBBY TIMBS wrote on Wednesday, February 23, 2005 (PST):
  • I have two back iron wheels that I believe fit a H Farmall. Will send picture if given E-Mail address. Would like to know how much they are worth. Thanks
    Kaz Gratkowski wrote on Tuesday, December 07, 2004 (PST):
  • I have a 15-25 Rock Island model G2-90632 that I am interested in selling. Running when parked inside 10 years ago. Mag was rebuilt then. Engine is now stuck due to condensation. Steel in perfect condition. Will consider all reasonable offers. Delivery would be responsibility of buyer. Located in lower Southwestern Michigan. Send email or phone 269-423-4291 or cellphone 269-501-2796.
    Brandon Markus wrote on Monday, November 22, 2004 (PST):
  • Would like any information on parts and books about rock island tractors. Looking for intake and exhaust valves.
    Amalia Parodi wrote on Friday, November 05, 2004 (PST):
  • Im interested in Rock Islan G2 (1929), Im from Argentina (South America), and I want to know how much it cost
    kathee akin wrote on Saturday, June 26, 2004 (PDT):
  • where would i find information on a rock island plow that is horse drawn? please email me and let me know
    irene chartier - birtle manitoba wrote on Saturday, May 01, 2004 (PDT):
  • looking for info on rock island tractor 18-35 built around ?1914-20 2m carb 4 cylinder full steel
    Wayne Tanner wrote on Sunday, April 11, 2004 (PDT):
  • I have finally about completed the restoration on my Rock Island G-2, All I have left to do is to convert my front wheels back to steel and paint them. My rear wheels were cut down and converted to rubber but I found that older John Deer "D" wheels fit right on and are the same, not so on the front. The ser.# on mine is 100085 can anyone give any insight on that. The gentelman I bought the tractor from told me that it is a 1930.
    david baillie wrote on Sunday, March 14, 2004 (PST):
  • I have a 1929 Waukesha 4 cylinder engine. It is intact minus carb and side valve covers. Anyone interested??
    Joe Heider wrote on Wednesday, February 18, 2004 (PST):
  • Back in 1914 Rock island sold tractors built by the Heider Manufacturing Co. and there were 4 models A, B, C, & D these tractors were built until 1929 bearing the Heider name. I am looking for a modle C 12-20, Thanks
    Brandon Winter wrote on Thursday, October 09, 2003 (PDT):
  • I have a waukesha i think a G4 but i know nothing about it the model # is G4SP-84-5515 the serial # is SP1015 really anxious about what it is
    Roy Wolf wrote on Wednesday, July 09, 2003 (PDT):
  • Does anyone out there have a picture(s) of the Rock Island F and FA? They had a bore and strokc of 4 1/2 by 6 inches whereas the G-2 had a 4 1/4 by 5 1/4; good replacements for the old Steam Power Tractors....My father (Pa Wolf)owned one of the last G-2's made before Case bought the RI. Great tractors for their day; J.I.Case was a worthy successor for them.....the old L and LA Cases remined me of the R.I.'s....
    mike S wrote on Tuesday, June 17, 2003 (PDT):
  • cecil Long if it is orginal it is worth about $350
    CECIL LONG wrote on Thursday, May 29, 2003 (PDT):
  • I HAVE ROCK ISLAND TRACTOR SEAT THAT LOOKS BRAN NEW WOULD LIKE TO KNOW VALUE
    Mike S. wrote on Thursday, April 24, 2003 (PDT):
  • I have a finch four drive tractor "FOUR PULL" it is a four wheel drive tractor that was made in big rapids MI.It has a Waukesha engine. it is a vary rare tractor only 3 of them are known to still be around. One is in kalamazoo and S.A and we have the other one its a vary awsome tractor if any Q; email Me mikey_z69 at hotmail.com thank u
    Red Herman wrote on Tuesday, February 11, 2003 (PST):
  • I have a 1929 Rock Island 18-35 and am looking for a clutch and transmission parts. (Need other parts too.) I have other old tractors and many parts you might need . Please contact me. Thanks alot.
    Larry Pagan wrote on Tuesday, November 12, 2002 (PST):
  • I am in need of parts for Rock Island, ie. in-put shaft etc.
    Bill Habiger wrote on Friday, May 17, 2002 (PDT):
  • I ran my father's 1929 G-2 rock Island on a farm near Salina Kansas until 1960.It is still on the farm waiting for some one to restore it. also have many parts and a parts tractor. Will sell all for $1800
    Bill Habiger wrote on Friday, May 17, 2002 (PDT):
  • I ran my father's 1929 G-2 rock Island on a farm near Salina Kansas until 1960.It is still on the farm waiting for some one to restore it. also have many parts and a parts tractor. Will sell all for $1800
    Matt Anderson wrote on Saturday, March 30, 2002 (PST):
  • I just found side panels for a rock island tractor in my barn. they appear to be kinda like the fleetline oliver engine side panels. If you need something like this let me know.
    Larry Hoppe wrote on Monday, March 18, 2002 (PST):
  • I have recently restored an rock island G-2 and im looking for a carburator float for a stromberg m-2.any help would be appericated Contact hoppe at lyn.net
    Mark Paskevich wrote on Saturday, March 16, 2002 (PST):
  • I have a 1928 Rock Island Model "F" 18-35 tractor with Buda "YR" engine, Dixie-Spiltdorf-Aero 46C Magneto and Stromberg M3 Carb on steel wheels with lugs. I'm interested in any spare parts of any kind, rubber tire wheels/rims to fit same, original advertising material. Also interested in complete Rock Island tractors running or not, restorable or for parts. Please contact markp at rotec.com Ph;250-260-6299
    Darrel Kleinjan wrote on Saturday, March 09, 2002 (PST):
  • I have a 1929 Rock Island Model F. I am looking for rear steel wheels. Please contact with any leads. Thanks!
    Debbie Barker wrote on Wednesday, February 20, 2002 (PST):
  • Were these tractors used both in the U.S.A. and Canada?
    Bruce Jedwabny wrote on Wednesday, July 18, 2001 (PDT):
  • I have found a Rock Island tractor that is all original and operating like new. The previous owner retired it in the 30s to a shed and never used it. The serial number is FA 290282. What year is it and it's value. I have also found another Rock Island that is stuck and looks to be complete. What would be a fair price to offer the owner? Please contact by e-mail bruce.jedwabny at svedala.com
    Janet Marie Sutton wrote on Friday, July 21, 2000 (PDT):
  • I have two Rock Island rear tractor wheels. Will send a picture if given an email address. Were used on a farm in the Northern Neck of Virginia about 1920+. Please advise. Thx, Janet
    jason tanner wrote on Monday, February 14, 2000 (PST):
  • my father has a G-2 and is currently restoring it. He is looking for wheels or any parts or information. if you have any information email me.


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