The first line gives the chassisnumber.
--> 32 138 284
This number can be read as follow:
3 - modelyear 1973
2 - is an extra number to make the difference between models of the sixties.
138284 - is the number of that year.
The second line:
507 means that there are ventilationwindows in the cabin-doors.

722 is an unknown code.
The third line:
070751 Is the colourcode; 0707 means colour L20B (leuchtorange) and  51 is the colour of the interior:  darkbeige.
Next some options:
120= means there are no points for the safetybelts in the back.
248=contactslot without lock.
M500 means there is a wall behind the cabine with haf height. Also there is a double passengerschair in the cabin  and the spare-tyre is in the cabin.
506=seperated brake-system with a control-light for the break-fluid.
The fourth line:
07 is the week of production, so week 7 and 3 means day 3, the wednesday.
7341 is an unknown code.
HO is the exportcode and means the Netherlands.
2310 11
2 - means  VW type 2 ("the VW Transporter")
3 - Kombi
1 - steer left, sliding-door at the right.
0 - no further details
1 - 1600cc engine (An AD-engine in 1973)
1 - 4 transmissions

We know something more about our T2.
Build in 1973, so it came out of the factory at wednesday the 14th of february 1973  in the colour  leuchtorange with the options as mentioned.
If you own a T2 to and want to find out more about your vehicle, you can surf to the website of  Vincent Molenaar, where I got the information too..

Here are the first pictures of the T2. As you can see, there is a lot of work to do.

If you are the owner of a T1 or T2 look at this site:  Vincent Molenaar, here you can find more information about the M-plates

 

Click on a picture to enlarge.

 

On some picture you can see its original colour.