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Some needs require bases more robust that those that are “standard”. Due to this, we also provide a high-performance heavy duty adjustable motor base that is adjustable to slide to NEMA frames with sizes of 254 to 449. The bases are equipped with special cross braces and gussets to create a thicker and more durable materials equipped to handle motors that are in the 3000 to 7000 pound weight range.


| Base # | (AL) | (AM) | (AX) | (BB) | (E) | (F) | (AO) | (AR) | (AU) | (BT) | (AT) | (XC) | D-BOLT | AY-BOLT |
| 182A2HD | 12.75″ | 9.5″ | 1.5″ | 6.63″ | 3.75″ | 2.25″ | 4.5″ | 2.25″ | 0.5″ | 3″ | 0.19″ | 1.19″ | 3/8X1-1/2 | 1/2X6 |
| 184A2HD | 12.75″ | 10.5″ | 1.5″ | 7.63″ | 3.75″ | 2.75″ | 4.5″ | 4.75″ | 0.5″ | 3″ | 0.19″ | 1.19″ | 3/8X1-1/2 | 1/2X6 |
| 213A2HD | 15″ | 11″ | 1.75″ | 7.69″ | 4.25″ | 2.75″ | 5.25″ | 4.75″ | 0.5″ | 3.5″ | 0.25″ | 1.13″ | 3/8X1-1/2 | 1/2X6 |
| 215A2HD | 15″ | 12.5″ | 1.75″ | 9.19″ | 4.25″ | 3.5″ | 5.25″ | 5.5″ | 0.5″ | 3.5″ | 0.25″ | 1.13″ | 3/8X1-1/2 | 1/2X6 |

| Part # | NEMA Frame | (AL) | (AM) | (AX) | (BB) | (E) | (F) | (AO) | (AR) | (AU) | (BT) | (AT) | (XC) | (D-BOLT) | (AY-BOLT) | Weight (LBS) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 254C2HD | 254 | 17.75″ | 15.125″ | 2″ | 11″ | 5″ | 4.125″ | 6.25″ | 6.625″ | 0.625″ | 4″ | 0.3125″ | 1.25″ | 1/2 X 1-3/4 | 5/8 X 9 | 32 |
| 256C2HD | 256 | 17.75″ | 16.875″ | 2″ | 12.75″ | 5″ | 5″ | 6.25″ | 7.5″ | 0.625″ | 4″ | 0.3125″ | 1.25″ | 1/2 X 1-3/4 | 5/8 X 9 | 33 |
| 284C2HD | 284 | 19.75″ | 16.875″ | 2″ | 12.75″ | 5.5″ | 4.75″ | 7″ | 7.5″ | 0.625″ | 4.5″ | 0.3125″ | 1.5″ | 1/2 X 2 | 5/8 X 9 | 35 |
| 286C2HD | 286 | 19.75″ | 18.375″ | 2″ | 14.25″ | 5.5″ | 5.5″ | 7″ | 8.25″ | 0.625″ | 4.5″ | 0.3125″ | 1.5″ | 1/2 X 2 | 5/8 X 9 | 35 |
| 324C2HD | 324 | 22.75″ | 19.25″ | 2.5″ | 14.375″ | 6.25″ | 5.25″ | 8″ | 8.5″ | 0.75″ | 5.25″ | 0.375″ | 1.9375″ | 5/8 X 2-1/2 | 3/4 X 11 | 59 |
| 326C2HD | 326 | 22.75″ | 20.75″ | 2.5″ | 15.875″ | 6.25″ | 6″ | 8″ | 9.25″ | 0.75″ | 5.25″ | 0.375″ | 1.9375″ | 5/8 X 2-1/2 | 3/4 X 11 | 60 |
| 364C2HD | 364 | 25.5″ | 20.5″ | 2.5″ | 15.75″ | 7″ | 5.625″ | 9″ | 9.125″ | 0.75″ | 6″ | 0.375″ | 1.9375″ | 5/8 X 2-1/2 | 3/4 X 11 | 67 |
| 365C2HD | 365 | 25.5″ | 21.5″ | 2.5″ | 16.75″ | 7″ | 6.125″ | 9″ | 9.625″ | 0.75″ | 6″ | 0.375″ | 1.9375″ | 5/8 X 2-1/2 | 3/4 X 11 | 68 |
| 404C2HD | 404 | 28.75″ | 22.375″ | 3″ | 17.125″ | 8″ | 6.125″ | 10″ | 9.875″ | 0.875″ | 7″ | 0.375″ | 1.4375″ | 3/4 X 3 | 3/4 X 14 | 94 |
| 405C2HD | 405 | 28.75″ | 23.875″ | 3″ | 18.625″ | 8″ | 6.875″ | 10″ | 10.625″ | 0.875″ | 7″ | 0.375″ | 1.4375″ | 3/4 X 3 | 3/4 X 14 | 99 |
| 444C2HD | 444 | 31.25″ | 24.625″ | 3″ | 19.375″ | 9″ | 7.25″ | 11″ | 11″ | 0.875″ | 7.5″ | 0.375″ | 1.4375″ | 3/4 X 3 | 3/4 X 14 | 103 |
| 445C2HD | 445 | 31.25″ | 26.625″ | 3″ | 21.375″ | 9″ | 8.25″ | 11″ | 12″ | 0.875″ | 7.5″ | 0.375″ | 1.4375″ | 3/4 X 3 | 3/4 X 14 | 105 |
| 447C2HD | 447 | 31.25″ | 30.125″ | 3″ | 24.875″ | 9″ | 10″ | 11″ | 13.75″ | 0.875″ | 7.5″ | 0.375″ | 1.4375″ | 3/4 X 3 | 3/4 X 14 | 110 |
| 449C2HD | 449 | 31.25″ | 35.125″ | 3″ | 29.875″ | 9″ | 12.5″ | 11″ | 16.25″ | 0.875″ | 7.5″ | 0.375″ | 1.4375″ | 3/4 X 3 | 3/4 X 14 | 115 |
HZPT is one of the leading China electric motor base manufactures with more than 15 years. Contact us now to get more about our heavy-duty adjustable motor bases for sale!