Support: All Loom Serial Number History

We’re happy to help you with any problems you may have with your Schacht equipment. Before you call, verify the type of loom and have the serial number ready. Especially for older equipment, we can’t effectively help you without this information. Some very early looms were not assigned serial numbers. If your loom was built prior to about mid-1979, it is possible that it does not have a serial number.

Serial numbers are pressed into the wood and can be hard to see. A flashlight held to the side and shining across the numbers (not directly on them) will help.

Wolf Pup and Wolf Pup LT: The serial number can be found on the top side of the cross piece underneath the harnesses, to the left.

The serial number is the date of assembly (mmddyy.)

Ex: 122214-WPLT-1 = 1st Wolf Pup LT assembled on 12/22/2014.

Baby Wolf Loom: The serial number can be found underneath the Schacht Logo on the cross piece under the harnesses at the front of the loom. On older looms. the serial number may be on the castle side. If you added a high castle tray, you may need to remove the tray to find the serial number.
4Now-4Later Looms are numbered in the 4- series.
After 1987, the serial number is the date of assembly (mmddyy.)

-C = Cherry

-W = Walnut

Baby Wolf Loom Serial Numbers

Serial Number Assembly Dates
4-1 through 4-2428-1 through 8-61 August 1982 – December 1982
4-243 through 4-1136

8-62 through 8-363

January 1983 – December 1983
4-1137 through 4-2128

8-364 through 8-681

January 1984 – December 1984
4-2129 through 4-2472

8-682 through 8-808

January 1985 – May 1985
BW4-2473 through BW4-2844

BW8-809 through BW8-910

May 1985 – December 1985
BW4-2845 through BW4-3342

BW8-911 through BW8-1055

 January 1986 – December 1986

Mighty Wolf: The serial number can be found underneath the Schacht logo on the cross piece under the harnesses at the front of the loom.

4Now-4Later looms are numbered in the 4- series.

After September 1987, the serial number is the date of assembly (mmddyy.)

-C = Cherry

-W = Walnut

Mighty Wolf Loom Serial Numbers

Serial Number Assembly Dates
MW4-1 through MW4-206

MW8-1 through MW8-51

August 1985 – December 1985
MW4-207 through MW4-480

MW8-52 through MW8-134

January 1986 – December 1986
MW4-481 through MW4-648

MW8-135 through MW8-193

January 1987 – September 1987

Standard Floor Loom: The serial number can be found in the middle of the cross piece under the harnesses at the front of the loom. On older looms, the serial number may be on the castle side.

After September 1987, the serial number is the date of assembly (mmddyy.)

FL4 – FL8 = 4 or 8 harnesses

FL4-4 = 4Now-4Later

HC or LC = High Castle or Low Castle

-C = Cherry wood

Up to 4-1256, there are 36″ and 42″ weaving width floor looms. After 4-1256 there are 36″ and 46″ widths.

Standard Floor Loom Serial Numbers

Serial Number Assembly Dates
Wooden harness channels:1 through 243

248 through 450

Before May 1979

May 1979 – September 1979

Metal harness channels:4-1 through 4-117

8-1 through 8-69

September 1979 – January 1980
4-118 through 4-375

8-70 through 8-154

January 1980 – December 1980
4-376 through 4-7308-155 through 8-239 January 1981 – December 1981
4-731 through 4-1083

8-240 through 8-330

January 1982- December 1982
4-1084 through 4-1525

8-331 through 8-428

 January 1983 – December 1983
4-1526 through 4-1759

8-429 through 8-526

January 1984 – December 1984
4-1760 through 4-2035

8-527 through 8-617

January 1985 – December 1985
4-2036 through 4-2237

8-618 through 8-687

January 1986- December 1986
4-2238 through 4-2377

8-688 through 8-750

 January 1987 – December 1987
Schacht Spindle

Schacht Spindle Company has been producing hand-crafted weaving and spinning equipment in Boulder, CO since 1969. We are committed to producing the tools for the crafts we love.