Hi from the UK

[Wagtail]

Well, according to TractorData.com, the YM1720 was only built 1982-83. The 'D' seems to indicate that it's a 4WD model.

TractorData.com Yanmar YM172 tractor information

 

[Ed9620]

Well, according to TractorData.com, the YM1720 was only built 1982-83. The 'D' seems to indicate that it's a 4WD model.

TractorData.com Yanmar YM172 tractor information

Yes, it is a 4 wheel drive... so around 35 years old........