Image: Allis-Chalmers D21 series II tractor

Description: Allis Chalmers D21 Series II tractor (built 1968), taken at the 2008 Michigan Steam Engine and Threshers Club annual meet in Mason, MI, USA.
Title: Allis-Chalmers D21 series II tractor
Credit: Flickr: 1968 Allis Chalmers D21 Series II tractor
Author: Joe Ross
Permission: This image, which was originally posted to Flickr, was uploaded to Commons using Flickr upload bot on 26 May 2010, 08:02 by Bdk. On that date, it was confirmed to be licensed under the terms of the license indicated. .mw-parser-output .responsive-license-cc{clear:both;text-align:center;box-sizing:border-box;width:100%;justify-content:space-around;align-items:center;margin:0.5em auto;background-color:#f9f9f9;border:2px solid #e0e0e0;border-spacing:8px;display:flex}.mw-parser-output .responsive-license-cc div{margin:4px}.mw-parser-output .rlicense-text div{margin:0.5em auto}@media screen and (max-width:640px){.mw-parser-output .responsive-license-cc{flex-flow:column}.mw-parser-output .rlicense-text{order:1}} This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license. You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use. share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original. https://creativecommons.org/licenses/by-sa/2.0CC BY-SA 2.0 Creative Commons Attribution-Share Alike 2.0 truetrue
Usage Terms: Creative Commons Attribution-Share Alike 2.0
License: CC BY-SA 2.0
License Link: https://creativecommons.org/licenses/by-sa/2.0
Attribution Required?: Yes