I am posting up pertinent production date information with frame numbers which 7x series owners can use as reference when you need parts since some parts supersede mid-month/mid-production.
With this information you can even break it down further with actual day of the week your truck was manufactured.
Generally speaking, the Honsha frame plant assigns the VIN/frame number when it is manufactured (Plant A11). The frames were then shipped across town to the Arakawa Auto Body Yoshiwara Plant (during that time period .... Then ARACO--early 1990's... Then Toyota Auto Body in 2004) for final manufacture (body panels are stamped at the Yoshiwara Plant).
You can assume a 5 day work week (M-F), two shifts (4-5 hours down time at night for plant cleaning, machine/robot/tooling maintenance, etc.).
Based on this, for example, if 1000 iterations of a BJ70 were manufactured in any given month, you can divide 1000 by 20 work days and see that 250 BJ70's were manufactured on any given work day on average.
Based on your frame number you can figure out, pretty accurately with the information below, when your truck was manufactured almost down to a day.
Again, this is general information. Daily production rates vary. When @cruiserdan and I visited the Yoshiwara plant in 2010, a Land Cruiser came off the line ever 90 seconds, two shifts per day.
In any event, I hope this helps owners of 7x series trucks.
As you can see by the information posted, my access to production dates is limited from the beginning of production in 1984 through the early 1990's. I will add more as I get more information.
Another important caveat is this information is for Land Cruisers exported out of Japan (Europe and General markets). Japanese frame numbers fit within a separate matrix, but operate in the same way. You can deduce to a degree your month/day of production using the below matrices as well.
-onur
Europe Export: 01/1984-12/1985
General Market Export: 01/1984-12/1989 (you can see here that Toyota stopped manaufacturing 7x series Land Cruisers for almost 8 months to prepare for the big changes that occurred in 1/1990).
General Markets/Australia: 1/1990-12/1992: You can see here that the manufacturing numbers for models that continued on to the early 1990's are concurrent. New models begin at 00 frame numbering. Australia market is introduced into the numbering and CKD's manufactured for places like Venezuela, Kenya, Pakistan, Spain (Complete Knock-Down Kits: basically a Land Cruiser in a box to be assembled elsewhere).
With this information you can even break it down further with actual day of the week your truck was manufactured.
Generally speaking, the Honsha frame plant assigns the VIN/frame number when it is manufactured (Plant A11). The frames were then shipped across town to the Arakawa Auto Body Yoshiwara Plant (during that time period .... Then ARACO--early 1990's... Then Toyota Auto Body in 2004) for final manufacture (body panels are stamped at the Yoshiwara Plant).
You can assume a 5 day work week (M-F), two shifts (4-5 hours down time at night for plant cleaning, machine/robot/tooling maintenance, etc.).
Based on this, for example, if 1000 iterations of a BJ70 were manufactured in any given month, you can divide 1000 by 20 work days and see that 250 BJ70's were manufactured on any given work day on average.
Based on your frame number you can figure out, pretty accurately with the information below, when your truck was manufactured almost down to a day.
Again, this is general information. Daily production rates vary. When @cruiserdan and I visited the Yoshiwara plant in 2010, a Land Cruiser came off the line ever 90 seconds, two shifts per day.
In any event, I hope this helps owners of 7x series trucks.
As you can see by the information posted, my access to production dates is limited from the beginning of production in 1984 through the early 1990's. I will add more as I get more information.
Another important caveat is this information is for Land Cruisers exported out of Japan (Europe and General markets). Japanese frame numbers fit within a separate matrix, but operate in the same way. You can deduce to a degree your month/day of production using the below matrices as well.
-onur
Europe Export: 01/1984-12/1985
General Market Export: 01/1984-12/1989 (you can see here that Toyota stopped manaufacturing 7x series Land Cruisers for almost 8 months to prepare for the big changes that occurred in 1/1990).
General Markets/Australia: 1/1990-12/1992: You can see here that the manufacturing numbers for models that continued on to the early 1990's are concurrent. New models begin at 00 frame numbering. Australia market is introduced into the numbering and CKD's manufactured for places like Venezuela, Kenya, Pakistan, Spain (Complete Knock-Down Kits: basically a Land Cruiser in a box to be assembled elsewhere).
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