MARK Models can include a MARK 7, MARK V 520S, MARK 4, MARK 510/505, MARK 500. And, if your machine has upgrades, this information is subject to change.  Your Shopsmith Customer Care Team can help by calling 937-890-5197.

Serial Numbers are located on the left side of the Motor System, on the vent plate or on the Red/White Sticker.

Year	Serial Number Range	Mark Model	Belt Drive Type	Table Size
1954	263051 – 288540	MARK V 500	GILMER	14-1/4 x 18-1/4
1955	288541 – 316978	MARK V 500	GILMER	14-1/4 x 18-1/4
1956	316979 – 347642	MARK V 500	GILMER	14-1/4 x 18-1/4
1957	347643 – 353144	MARK V 500	GILMER	14-1/4 x 18-1/4
1958	353145 – 355556	MARK V 500	GILMER	14-1/4 x 18-1/4
1959	355557 – 361989	MARK V 500	GILMER	14-1/4 x 18-1/4
1960	361990 – 368970	MARK V 500	GILMER	14-1/4 x 18-1/4
1961 (Before MAY)	368971 – 370339	MARK V 500	GILMER	14-1/4 x 18-1/4
1961 (During & After MAY)	371347 – & Beyond	MARK V 500	POLY V	14-1/4 x 18-1/4
1962 – 1972	No Data	MARK V 500	POLY V	14-1/4 x 18-1/4
1973 – 1978	1001 – 28653	MARK V 500	POLY V	14-1/4 x 18-1/4
1979	28654 – 50316	MARK V 500	POLY V	14-1/4 x 18-1/4
1980	50317 – 76360	MARK V 500	POLY V	14-1/4 x 18-1/4
1981	76361 – 111916	MARK V 500	POLY V	14-1/4 x 18-1/4
1982	111917 – 139577	MARK V 500	POLY V	14-1/4 x 18-1/4
1983	139578 – 166957	MARK V 500	POLY V	14-1/4 x 18-1/4
1984	166958 – 196118	MARK V 500 / 505	POLY V	17 1/2 x 22
1985	196119 – 213305	MARK V 500 / 505	POLY V	17 1/2 x 22
1985	000016 – 000634	MARK V 500 / 505	POLY V	17 1/2 x 22
1986	213306 – 221358	MARK V 500 / 505	POLY V	17 1/2 x 22
1986	000635 – 008007	MARK V 500 / 505	POLY V	17 1/2 x 22
1987	221359 – 225099	MARK V 500 / 505	POLY V	17 1/2 x 22
1987	008008	MARK 7 / MARK 520S / MARK 4	POLY V	17 1/2 x 22
1988 and Later	Date of Manufacture

NOTE:

• Date of Manufacture Example: 032309
• Machines had Manufactured Dates vs. Serial Numbers

Model 500

	Jan.	Feb.	Mar.	April	May	June	July	Aug.	Sept.	Oct.	Nov.	Dec.
1954	—	—	—	263051	265789	268662	272924	274493	278201	281627	285310	287396
1955	288541	289882	291432	293883	296077	298280	300322	301455	304754	308558	312821	315721
1956	316979	317192	—	—	—	—	—	—	—	—	—	—
1957	—	—	—	—	—	—	347643	348654	349665	350676	351687	352698
1958	—	—	—	—	353145	354200	—	—	—	—	354467	355319
1959	355557	—	355761	—	—	355961	—	—	356250	—	—	360185
1960	361990	362467	364334	365390	365725	367316	367377	367518	368192	368418	368635	368709
1961	368971	369339	369604	370339	370816	372058	—	372425	373038	—	—	373422
1978	18859	19478	20359	21063	21460	21993	22755	23130	24003	24671	25904	27158
1979	28654	30298	31713	33306	34568	36407	38329	40369	42634	44537	46761	48722
1980	50317	52426	54405	56148	58102	60216	62007	63396	65073	67199	70164	72521
1981	76361	79594	83116	87157	89631	93278	96485	98525	100503	104105	107410	109971
1982	111917	114125	117095	121061	123786	126407	127690	130558	133326	135159	136051	137488
1983	139578	142052	145328	148569	150301	153070	155825	157927	160046	162273	163875	165112
1984	166958	169204	171154	174784	176354	178811	180854	182919	185359	190177	191812	193974
1985	196119	197929	199565	202145	203746	205719	—	206359	208095	209470	211026	221215
1986	213306	214198	—	218238	219087	219785	220393	220970	221116	221128	221137	221215
1987	221359	221414	221454	221473	221496	221569	221641	221682	221879	222121	222390

Model 500

	Jan.	Feb.	Mar.	April	May	June	July	Aug.	Sept.	Oct.	Nov.	Dec.
1986	—	—	—	002291	002508	002801	003308	003889	004501	004919	005968	006994
1987	008008	009144	010102	011336	012017	012554	013136	013508	014007	014799	015518

To Learn more about the changes and upgrades made to MARKs throughout the years, Click Here.