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komatsu year model reference?

John C.

John C.

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Nothing in my references. It may be a gray market machine.
 
darinray

darinray

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Delevan, NY
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Welcome aboard Ryan... Your dozer is a 1984 model.. Enjoy...
 
Tankzilla

Tankzilla

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Joined
Apr 14, 2021
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Location
Northern California, Lake Pillsbury 95469
howdy I have a Komatsu d20A-5 serial number 57609. also I am rebuilding the motor its a 4D94- 2 I found a site for all manuals they cost about 10 bucks PDF files. I will share the link. I would like to know what year this dozer is. thank you from Nor Cal Mendocino forest. and plz check out the link and plz let me know if this is s good site. https://myservicemanuals.com/p/koma...iesel-engine-shop-manual-sebe6142a03-english/
 
John C.

John C.

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Your machine appears to be a 1985 model year. I don’t know about the site.
 
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Badjones

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Aug 7, 2020
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Location
Newcastle Australia
Hi all, if I may ask I have purchased a D31-16 s/n 25645 in Australia, seems like a good machine. Can anyone help with a year of manufacture.
 

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John C.

John C.

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Joined
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Location
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My sources don't track the overseas machines. What I do have shows serial numbers with no prefix starting in 1977 and ending in 1988.
 
John C.

John C.

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My sources only show up to Sn. 71300 which states it is a 1990 model.
 
darinray

darinray

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435
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Delevan, NY
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Owner-Equipment & Parts Sales
Badjones said:
Hi all, if I may ask I have purchased a D31-16 s/n 25645 in Australia, seems like a good machine. Can anyone help with a year of manufacture.
Click to expand...
If it's a D31A-16 it will be a 1977... If it's a D31P-16 then it's a 1978...
 
K

K255

New Member
Joined
Jan 27, 2024
Messages
4
Location
NW Ontario
Hi folks, first post here. I have just acquired a Komatsu D31A-16, sn 266**. Any suggestions where I can find the year of manufacture, and parts? Thanks.
 
F

FlintNelson

Member
Joined
Jul 13, 2021
Messages
5
Location
East Texas
Hello everyone, I am trying to determine the year this Komatsu D21-A dozer is and engine make, this is stamped on the left rear by the final drive in a vertical orientation. The machine is power shift although this stamping is for a straight drive if I understand correctly. Thanks in advance.
Verticle model by final drive.jpgHere is the tag from the valve cover on the engine. The valve cover has Komatsu on top.
Komatsu engine model.jpg. This tag is at the operator station entryKomatsu model tag by entryway.jpg
 
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