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I am somewhat confused

B

Bulldog Red

Member
Joined
Dec 17, 2009
Messages
8
Location
Kathleen,Georgia
I'm trying to figure out if I have a TD-7 or TD-8.It measures,far as I can tell,54 in from centerline sprocket to sprocket which I am told means it is an 8.The serial number on the right side of the engine is 239.I can't seem to find the model number above the right final drive,was this a small stamping?The book says right rear mainframe area,but I haven't found it yet.Was the naturally aspirated D-239 used in both the 7 and 8 machines?
 
S

shopguy

Senior Member
Joined
Jul 2, 2011
Messages
504
Location
Alabama
Yeah they both had 239’s ,look at the tracks 7 has 6in pitch and 37 links 8 has 6 1/4 pitch and 36 links according to my old Burco book
 
B

Bulldog Red

Member
Joined
Dec 17, 2009
Messages
8
Location
Kathleen,Georgia
Thanks for the info.I'm asking these questions because the machine is down on my son's property and I haven't been able to look at it personally,but I will this weekend.
 
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