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Industrial Equipment, MRO

Motors, Transmissions

Motors, Transmissions Article

Early transmissions included the right-angle drives and other gearing in windmills, horse-powered devices, and steam engines, in support of pumping, milling, and hoisting. Most modern gearboxes either reduce an unsuitable high speed and low torque of the prime mover output shaft to a more usable lower speed with higher torque, or do the opposite and provide a mechanical advantage (i.e increase in torque) to allow higher forces to be generated. Some of the simplest gearboxes merely change the physical direction in which power is transmitted.

Many typical automobile transmissions include the ability to select one of several different gear ratios. In this case, most of the gear ratios (simply called "gears") are used to slow down the output speed of the engine and increase torque. However, the highest gears may be "overdrive" types that increase the output speed.


Motors, Transmissions Items

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Reliance Electric 1/2 hp Motor 115/208-230 volt1750 rpm

$24.39
LEESON AC GEARMOTOR 1/2 HP

$250.00
Leeson Farm Duty ½HP Electric Motor 1725RPM 0.5 HP NEW!

$49.99
12 volt DC electric gearmotor 60-1 RATIO 3/8 SHAFT DIA.

$29.95
Dayton Electric Motor & Brake, 1 HP, 1725 RPM, 230/460

$149.99
NEW DAYTON CAPACITOR START MOTOR 1/2 HP 6K965A

$49.99
US 1.5 HP Enclosed High Efficiency Electric Motor

$159.00
TRUFLEX BELT 3360(5L360)

$2.99
90 DEGREE RIGHT ANGLE GEAR BOX --SS WHITE #7XA9106P

$26.50
Gates Tru-Run Steel Pully 37110 1/2" Bore NIB!

$4.99
BODINE_90 degree right angle gear motor.

$99.00
Advanced DC Motor EV 72-96 Volt 8" 15 HP Cont. 48 Peek

$660.00
Reversible Electric Gear Motor 24v 50 RPM Gearmotor DC

$59.99
SALE! BEST ARMATURE WINDING & ELECTRIC MOTOR REPAIR

$9.88
Electric Motor 24VDC

$30.00
Front Left Hub Assembly Dodge Dakota / Durango 97-03

$115.00
C32536 Siemens 60HP Premium Efficiency Induction Motor

$199.06
General Electric GE 3 HP Vertical Mount Motor

$199.00
LESSON Inverter Rated ODP AC Pump Motor 151380 15HP 215

$149.99
Mini DC 4.5V 46RPM Tiny Gear Motor, Durable Metal Gears

$9.99
Baldor 15 hp electric motor

$50.00
8 HP Tecumseh electric start motor

$25.00
BELTS GEARS 3 STEPPER MOTOR PHOTO ROBOTIC PARTS ROBOT

$15.00
BALDOR MOTOR M3709 7.5HP 3450RPM 3PH 60HZ 215 TEFC NIB

$600.00
Synchronous Clock Motor 120V 21-25 rpm 4W 7mm shaft

$9.95
DODGE TIGEAR SPEED REDUCER GEAR BOX 56/150-5

$20.50
Reversible Electric Gear Motor 12v 50 RPM Gearmotor DC

$59.99
Ex-Cell-O cone drive

$49.95
BOSTON GEAR 1/4 HP DC motor APM925AT-I

$9.00
4 COUPLER 3/4" KEYED SHAFT ADAPTER 4 BOLT FLANGE PTO

$12.99
12Vdc POWER CHAIR/LIFT ELECTRIC MOTOR 35-RPM 3/8"OUTPUT

$10.49
NEW ELINCO AC 3 SPEED MOTOR 115 V SINGLE PHASE

$19.99
Baldor Motors 7.5 HP Electric Motor

$239.00
Dayton 1/4 hp Gearmotor model#5K933D 6 RPM

$55.00
Marathon 1/2 HP 115/208-230 3450 RPM Electric Motor

$35.00
Two Mini 12V DC High Torque Gear Motor 300rpm for Hobby

$17.99
HUB CITY RIGHT GEAR REDUCER MODEL 264 SERIES 260 NR

$99.00
US Electrical Closed Coupled Aluminum Pump Motor 20HP

$299.99
Louis Allis Armour Line 250 HP Electric Motor

$2995.00
(1358-FC) Pool Motors, 1 to 3HP, 20 each

$1500.00
HEAVY CAST IRON ELECTRIC MOTOR MOUNT 4 SLOTTED HOLES

$5.45
Delta electric motor 1 hp & 3 phase 200volt 1725rpm NEW

$30.00
RELIANCE ELECTRIC DC MOTOR # T56S1013A H.P. 1 NEW

$77.00
GENERAL ELECTRIC GE 1/2 HP MOTOR WITH REVERSE HANDLE

$14.99
BOSTON GEAR MOTOR 1/4 H.P. , 1 PH NEW HAS SCRATCHES

$20.00
Marathon® Electric Motor 3 Phase New Model 145TTDR5348

$125.00
C32933 GE Extra Severe Duty AC Motor 25hp, 3555rpm, 3Ph

$199.06
3/4" Pillow Block Bearings UCP204-12, NEW, NIB .750"

$10.95
Baldor ¾ hp 230V/460V Electric Motor Frame 48

$75.00
Baldor Cat # VM3546T Electric Motor 1HP 1725 RPM *NIB*

$9.99
CHT Dual Output Gear Box 60:1 CHB-04P In-7/16 Out-11/16

$9.95
Reversible Electric Gear Motor 12v 50 RPM Gearmotor DC

$59.99
HAMPTOM DC MOTOR CONTROLER IN 120V OUT 0-100 DC

$9.99
MET permanent magnet motor

$15.00
NEW COMMERCIAL DUTY PUMP MOTOR 1/3 hp 1 phase C Face

$35.99
NEW BOSCH 1/2 HP 120V DC WIND GENERATOR/MOTOR 640W

$5.99
SIEMENS 25 HP 3 PHASE 460 VOLT ELECTRIC MOTOR RG7CT

$475.00
RIGHT ANGLE GEAR REDUCER TYPE VDS 063-MF1-16 --NEW--

$295.00
DC Motor Neodymium Magnets1.5"OD x1.25"ID x 3/4"Lx90Dg

$8.49
BALDOR MOTOR AM3689-4 2HP 1750RPM 3PH 60HZ 184 TEFC NEW

$365.00
Marathon® Electric Motor 3 Phase New Model 56T17D2094

$125.00
NEW- Doerr .5HP/1425 RPM Motor w/Gast Vane Vacuum Pump

$219.00
General Electric GE Vertical Mount 10 HP Motor

$259.00
electric motor

$5.00
New Fasco Refrig. Motor Type U63 P/N 5036TS 220V

$8.95
Synchronous Clock Motor 120V 60 rpm 4W 7mm shaft

$9.95
2.0A AC Motor in Paper Shredder - 2 amp 115v 120v 60Hz

$4.99
GEAR REDUCER TYPE LP 09-MO1-5-111 5 to 1 RATIO -NEW-

$195.00
LINCOLN MOTOR 20 H.P. , 208-230/460 1755 RPM NEW

$175.00
Electric Motor 3450

$15.00
(1415-FC) LEESON 20 HP Motor, NEW

$399.00
FLAT RATE BOX ELECTRIC MOTORS FOR PROJECTS REPAIRS DC

$9.99
Dayton Permanent Magnet DC Motor 2M169

$25.27
NEW 5 HP BALDOR AIRCOMPRESSOR ELECTRIC MOTOR L1410T

$369.95
HYDRAULIC MOTOR 2VRA-116

$1200.00
General Electric GE 3 HP Vertical Mount Motor

$199.00
(1417-FC) MARATHON 5 HP Motors, TWO, New

$299.00
ABB 3GVA 062002-CSA 3-Phase Metric Motor 1/4HP New

$20.00
AO SMITH S# K56A30A66 3/4HP MOTOR,115/208-230V 1725RPM

$29.99
BALDOR ELECTRIC MOTOR # JM3545 1 H.P. 3 PH NEW

$20.00
Grove Gear: Model: DTM215-1 Flexaline Reducer Gear

$179.99
BODINE 1/12 HP GEAR MOTOR 115 VOLT 300 TO 1RATIO

$43.00
ELECTRIC MOTOR

$20.00
3HP 3 PHASE LEESON ELECTRIC MOTOR

$99.00
VERY NICE RELIANCE BRAKE 230/460 VOLTS M5IA0327M-TG

$59.99
VERY NICE ACEC 5 HP HIGH EFFICIENCY MOTOR 415 VOLTS

$99.00
BALDOR INDUSTRIAL MOTOR THREE PHASE NEW IN PACKAGING NR

$299.99
Two Mini 24V DC High Torque Gear Motor 600rpm for Hobby

$16.99
NEW Dayton Electric Fan Motor 1/4 HP 115 Volts NIB

$30.98
Reversible Electric Gear Motor 24v 50 RPM Gearmotor DC

$59.99
ELECTRIC MOTOR

$25.00
Leeson electric motor 1.5 HP 115 208-230V 1ph

$80.00
SEW EURODRIVE GEAR REDUCERS

$9.99
GEAR REDUCER WORM RIGHTANGLE 15:1 Hub City NEW model134

$99.00
NEW LEESON 7 HP WATTSAVER MOTOR 17015760 1 1/2" SHAFT

$389.00
Baldor Industrial Inverter Duty Pump Motor JMM4107T NR

$289.99
WESTINGHOUSE BLACK FAN; W-13G08. ELECTRIC MOTOR; 11 F

$10.00
3HP 3 PHASE LEESON ELECTRIC MOTOR

$99.00
NEW HIGH SPEED 1.5 HP 115 V AC/DC ELECTRIC MOTOR, NR!!

$6.55
AC MOTOR #LR22132 SINGLE PHASE 2HP 3450 RPM 115/230 V

$51.96