Without a Cat label, it is a Russell grader. Looks like a standard #2 or #3. Mid twenties is my guess. If it is a Russell / Caterpillar transition unit it looks like a Cat 15 or 20 from 1927 onward.
More photos[attachment=31704]tratores antigos (1😎.jpg[/attachment][attachment=31705]tratores antigos (21).jpg[/attachment][attachment=31706]tratores antigos (22).jpg[/attachment][attachment=31708]tratores antigos (46).jpg[/attachment][attachment=31709]tratores antigos (47).jpg[/attachment][attachment=31704]tratores antigos (1😎.jpg[/attachment][attachment=31705]tratores antigos (21).jpg[/attachment][attachment=31706]tratores antigos (22).jpg[/attachment][attachment=31707]tratores antigos (43).jpg[/attachment][attachment=31708]tratores antigos (46).jpg[/attachment][attachment=31709]tratores antigos (47).jpg[/attachment]![]()
More photos[attachment=31704]tratores antigos (1😎.jpg[/attachment][attachment=31705]tratores antigos (21).jpg[/attachment][attachment=31706]tratores antigos (22).jpg[/attachment][attachment=31708]tratores antigos (46).jpg[/attachment][attachment=31709]tratores antigos (47).jpg[/attachment][attachment=31704]tratores antigos (1😎.jpg[/attachment][attachment=31705]tratores antigos (21).jpg[/attachment][attachment=31706]tratores antigos (22).jpg[/attachment][attachment=31707]tratores antigos (43).jpg[/attachment][attachment=31708]tratores antigos (46).jpg[/attachment][attachment=31709]tratores antigos (47).jpg[/attachment]![]()
Love it, had one very similar, wish I had pic of data plate....thanks for showing