What is a Variable Frequency Drive?
A variable frequency drive is an electronic device that allows you to start, stop, and control the speed of a three phase motor. It is also a motor starter as it is equipped with overload protection. Read more »
What is the difference between a 'new surplus' motor and a 'factory new' motor?
Our New Surplus electric motors and drives are new and unused overstock or discontinued items offered at lower prices and come with our 90-day warranty.

Factory New products are competitively priced and come with a manufacturers warranty.
Variable frequency drives (VFDs or inverters) now play an important part in major industry.
Within the last 10 years they have been perfected to control and vary the speed of 3 phase electric motors. They serve many purposes, besides speed control. Homeowners and hobbyist alike, who have lathes or milling machines with a 3 phase motor, usually don't have 3 phase power to operate. These VFDs (instead of using a rotary phase converter) can now be used to convert single phase power to 3 phase power. Read more »
 
 
Sort By:
 
 
Since 1913, Marathon Electric has been dedicated to providing customers with quality products for targeted applications. Located in Wausau, Wisconsin, the company delivers efficient mechanical power solutions using AC electric motors up to 1250 HP.
 

1-10 11-20 21-30 31-40 41-50 51-60 61-70 71-80 81-90 91-100 101-110 111-120 121-130 131-140 141-150 151-160 161-170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191-200 201-224
 
Dealers Electric-Marathon    254TTDX4008
20 HP, 3600 RPM, 575 Volts, DP, 254JP, C-Face Rigid, Marathon, U214
$2,046.50
Out of Stock
Dealers Electric-Marathon    254TTDX4014
20 HP, 3600 RPM, 200 Volts, DP, 254JP, C-Face Rigid, Marathon, U212
$2,046.50
Out of Stock
Dealers Electric-Marathon    254TTDX4017
20 HP, 3600 RPM, 230/460 Volts, DP, 254JP, C-Face Rigid, Marathon, U213
$1,841.68
Out of Stock
Dealers Electric-Marathon    254TTDX4010
20 HP, 3600 RPM, 200 Volts, DP, 254JPV, C-Face Footless, Marathon, U215
$2,270.51
Out of Stock
Dealers Electric-Marathon    254TTDX4012
20 HP, 3600 RPM, 230/460 Volts, DP, 254JPV, C-Face Footless, Marathon, U216
$2,270.51
Out of Stock
Dealers Electric-Marathon    254TTDX4016
20 HP, 3600 RPM, 575 Volts, DP, 254JPV, C-Face Footless, Marathon, U217
$2,270.51
Out of Stock
Dealers Electric-Marathon    254TTDC6001
20 HP, 3600 RPM, 208-230/460 Volts, DP, 254T, Rigid, Marathon, U768
$2,620.38
Out of Stock
Dealers Electric-Marathon    254TTDC6003
20 HP, 3600 RPM, 575 Volts, DP, 254T, Rigid, Marathon, U289
$2,037.54
Out of Stock
Dealers Electric-Marathon    254TTDCA6001
20 HP, 3600 RPM, 230/460 Volts, DP, 254T, Rigid, Marathon, GT0024
$1,525.23
Out of Stock
Dealers Electric-Marathon    254TTDX16010
20 HP, 3600 RPM, 230/460 Volts, DP, 254T, Rigid, Marathon, E708A
$1,992.57
Out of Stock
Dealers Electric-Marathon    254TTDX4315
20 HP, 3600 RPM, 230/460 Volts, DP, 254TC, C-Face Rigid, Marathon, U437
$2,256.67
Out of Stock
Dealers Electric-Marathon    160MTFC6512
20 HP, 3600 RPM, 230/460 Volts, TEFC, 160M, Rigid, Marathon, R336A
$2,530.52
Out of Stock
Dealers Electric-Marathon    256TTFCA6006
20 HP, 3600 RPM, 230/460 Volts, TEFC, 256JM, C-Face Rigid, Marathon, GT3124
$2,915.57
Out of Stock
Dealers Electric-Marathon    256TTFCA6008
20 HP, 3600 RPM, 575 Volts, TEFC, 256JM, C-Face Rigid, Marathon, GT3224
$2,915.57
Out of Stock
Dealers Electric-Marathon    256TTFL16004
20 HP, 3600 RPM, 230/460 Volts, TEFC, 256JM, C-Face Rigid, Marathon, U351A
$3,032.66
Out of Stock
Dealers Electric-Marathon    256TTFCA6012
20 HP, 3600 RPM, 230/460 Volts, TEFC, 256JP, C-Face Rigid, Marathon, GT3424
$2,614.00
Out of Stock
Dealers Electric-Marathon    256TTFCA6013
20 HP, 3600 RPM, 575 Volts, TEFC, 256JP, C-Face Rigid, Marathon, GT3524
$2,376.88
Out of Stock
Dealers Electric-Marathon    256THFNA9001
20 HP, 3600 RPM, 460 Volts, TEFC, 256T, Rigid, Marathon, W551
$2,928.71
Out of Stock
Dealers Electric-Marathon    256TTFC6002
20 HP, 3600 RPM, 230/460 Volts, TEFC, 256T, Rigid, Marathon, U649A
$3,914.22
Out of Stock
Dealers Electric-Marathon    256TTFCA6001
20 HP, 3600 RPM, 230/460 Volts, TEFC, 256T, Rigid, Marathon, GT1024
$2,387.61
Out of Stock

1-10 11-20 21-30 31-40 41-50 51-60 61-70 71-80 81-90 91-100 101-110 111-120 121-130 131-140 141-150 151-160 161-170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191-200 201-224