The Caterpillar Model Twenty-Eight, similar to the Twenty-Five, offered little innovation upon the origional Twenty design. Serving in agricultural drawbar applications, the Twenty-Eight existed primarily to give farmers the option of additional horepower.
Caterpillar Model 28 4F1-4F1171
Mfg. Dates 12/4/22-11/11/35
Weight 7830 lbs.
Gauge 55″&42″
Drawbar HP 30
Belt/PTO HP 37
Cylinders bore and stroke 4@4-3/16″x5-1/2″
RPM 1100
Fuel Cap. 25 gals.
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1933 4F1-4F58
5 CA, USA
27 Omnitrac, Cove, OR, USA
1934 4F59-4F701
67 Former Don Clough, Gardiner, ME, USA
82 Christenbury Collection, Liberty, NC, USA
105 Dave Bowman, Bellflower, CA, USA
173 Omnitrac, Cove, OR, USA
475W Hayes Family, Molalla, OR, USA
563W CA, USA
605 Josh Stephenson, Temecula, CA, USA
612 Frank Fox of Wilton, CA, USA Tail seat and Draw bar
678 King Marks, CA, USA
1935 4F702-4F1171
713 Kenneth Avery, Quaker Hill, CT, USA Ice pads, Lights, Electric Start
721W Enyeart Family, Larmie, WY, USA Orchard version
722 SP Josh Stephenson, Temecula, CA, USA (Former Doug Veerkamp, Placerville, CA, USA)
745 SP Doug Veerkamp, Placerville, CA, USA
768 Omnitrac, Cove, OR, USA
781SP Scott Hayes, Molalla, OR, USA
819 SP Ted Halton, Portland, OR, USA
823 Erik Stenvall, Stockholm, Sweden
871 Billy Sanders Warrenton VA, USA
889 Josh Stephenson Temecula CA, USA
896 SP Gnoss Family Woodland CA, USA
898 Traynham Ranches Arbuckle CA, USA Electric Start
899SP Mike Roskamp Outlook WA, USA Hydraulic blade
902SP Wallace Ranch Woodland CA, USA
1038W Josh Stephenson Temecula CA, USA
1108W Moulding Collection Ogden UT, USA Tail seat, Generator/Lights
1133W Phillip Withington Scotland CT, USA Orchard version
Unknown Serial Number Tractors
Mehmke Farm Museum
Unknown Restored by Clarence, Itel, OR, USA
