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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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DC Motor Speed Control Controller Electronic 15 Ampere

$17.50
Powertron DC Motor 5 HP 2110AT frame 1750 RPM 240 Volts

$375.00
Marathon 20 HP Electric Motor

$399.00
Lesson Electric Motor 1.2 hp 208-240 VAC Single Phase

$40.00
Reliance 15 HP Submersible Wet Pit Electric Motor

$299.00
Taylor Electric Motor 1.5 hp 208-240 VAC Single Phase

$40.00
Reversible 115V AC 1/8 HP PM Motor Variable Speed Drive

$110.00
2 HP Reeves Drive

$150.00
407 Pcs O-Ring Assortment Wholesale - Universal Series

$7.63
Two Mini 12V DC Gear Motors 1000rpm for Hobby-buySAFE

$17.99
1/3 HP ELECTRIC MOTOR SINGLE NEW 115 230 VAC COMPRESSOR

$18.50
New Reeves Multi Speed Variable Speed Belt 605036-29-J

$50.00
New - Baldor Motor - # RL1310a

$45.62
3/4 hp motor.. GE 5KCP39PGE416ES

$9.99
5 HP 5HP GENERAL ELECTRIC GE 3PH 3 PH PHASE MOTOR

$159.00
Micro 6mm dia. gearmotor for hobby and robots (40 rpm)

$13.00
WARNER ELECTRIC MOTOR BRAKE / CLUTCH SIZE: EB-375

$10.00
New Baldor DC Motor 1/6 hp C-Face

$20.00
NEW SURPLUS 5 HP ,1PHASE BALDOR ELECTRIC MOTOR

$211.01
Warner Electric Brake PB-500 5300111-002;*A11

$12.50
NEW SEVUS BRAND 25 HP ELECTRIC MOTOR

$245.00
Delta 1 HP 1725 RPM 3 Phase motor

$25.00
A O Smith Model F48sl6l14

$30.00
5 hp electric motor

$25.00
Mini DC Gear Motors for hobby and robots (500 rpm)

$12.00
New Woods Sure-Grip HTD Timing Belt 2310 14M 55

$50.00
15 Hp electric motor

$75.00
Baldor 2314P 1/27 HP T66 R310 Industrial Electric Motor

$19.95
BALDOR 5 HP MOTOR

$26.00
15 Hp electric motor

$75.00
Reversible Gear Motor 24v 50 RPM Gearmotor QTY OF 2

$89.95
WHEEL CHAIR MOTOR 12 VDC

$4.95
12 Volt DC 1/2hp electric motor ,C-Face mount

$102.50
Baldor 2314P 1/15HP T64 R130 Industrial Electric Motor

$19.95
1HP Motor 1745 RPM TEFC 575 Volt 3 Phase REVERSIBLE NEW

$49.95
Motor Phase / Rotation Indicator

$21.50
Dayton 6K039P Electric Motor

$17.49
DAYTON USA 2HP 110V ELECTRIC MOTOR air compressor

$51.50
25 Hp electric motor

$75.00
New Digital Laser Photo Tachometer Non Contact RPM Tach

$19.00
30 Hp electric motor

$75.00
LOT OF MOTORS MAGNETEK 200 V 15 HP 6-850099-01-BB

$259.99
Powerful High Torque DC 12V 160RPM Gear Motor-buySAFE!

$15.99
1-HP 3PH Stainless Steel Hydro-Duty WashDown Motor NIB

$49.99
SPEED REDUCER

$25.00
10 Hp Electric Motor

$75.00
407pc PROFESSIONAL O-RING SET ASSORTMENT 34 SIZES

$6.99
12V 30 RPM Gear Box DC Motor for Hobby Robot Control 12

$7.99
One FC 25-7/8 cuppler

$5.00
Reversible Electric Gear Motor 12v 50 RPM Gearmotor DC

$49.99
NEW Vector SEW Eurodrive 3 Phase AC Gearmotor 0.25kW

$199.99
Reliance 29 HP Submersible Wet Pit Electric Motor

$699.00
Taylor Electric Motor 1.5 hp 208-240 VAC Single Phase

$40.00
ELECTRIC MOTOR

$75.00
One DC 12V/12 V DC 30RPM High Torque Gear Motor-BuySAFE

$9.99
USED 3 HP MARATHON 3PH ELECTRIC MOTOR

$0.99
Total Source 00-99976 P/S Motor 24 Voltage

$16.05
SMALL ELECTRIC GEARED MOTOR DYNAMO MAGNETO GENERATOR

$6.00
10HP, 1800RPM, electric motor, 230/460, 3 phase TEFC

$279.99
3 HP / 3 Phase Cast Iron TEFC Motor Premium Eff New !

$56.00
Magnatek 1/4 horsepower motor

$30.00
Two Boston FC25-1 1/8 cupplers

$10.00
30 VINTAGE OHIO D-4 GRAPHITE MOTOR BRUSHES,COPPER WIRE

$9.99
Motor 90VDC Baldor CPD 3320 !/3 HP industrial new

$49.99
Reliance 10 HP Submersible Wet Pit Electric Motor

$299.00
LOT OF 2 - DC GEARMOTORS - ROBOT - ROBOTICS - 12 VDC

$9.99
12V DC 160rpm Permanent-Magnetic Planet Gear Motor-New!

$24.99
Small Electric Motor AC 115V

$5.00
12VDC Auto Window Motor Gear Motor

$19.99
MORSE worm gear reducer (right angle) RATIO, 60:1

$100.00
MET DC Blower Fan Motor – 1/8HP @ 12v or 1/4HP @24v

$28.00
MRC 2-Bolt Flange Bearing C2F107ZM NEW! Food Industry

$4.99
5 HP ELECTRIC MOTOR

$46.99
WEG 00158ET3E145T 1.5 HP ELECTRIC MOTOR 1760 RPM WOW !!

$9.99
Baldor Industrial Motor 1.5 HP - 3 Phase

$32.00
General Electric 1 1/2 HP Electric AC Motor 5KCR49WG30X

$24.99
Franklin Electric 1.5HP Submersible Motor

$99.99
Lot of 2 Motor Rainshields A.O. Smith 1411A for 1/2 in.

$4.99
Reliance 29 HP Submersible Wet Pit Electric Motor

$699.00
Lesson Electric Motor 1.2 hp 208-240 VAC Single Phase

$40.00
DC MOTOR CLUBCAR GOLFCART LOTSALE15 NEW GE OEM DC48V7HP

$809.99
Electronic Transformer 120V IN / 12V OUT 10 amp.

$0.01
One Medium Torque DC 3V 220RPM Gear Motor Multi-Purpose

$9.99
NEW SM-CYCLO SUMITOMO model CNH-6075 SPEED REDUCER

$135.00
US Electric Motors 7.5 HP Motor

$239.00
NEW BALDOR INDUSTRIAL MOTOR 40HP M4109T

$289.99
Reliance 125 HP Submersible Wet Pit Electric Motor

$1100.00
BALDOR DIRTY DUTY 1 HP MOTORS

$100.00
ELECTRIC MOTOR

$50.00
12V 200 RPM Drive Gear MOTOR for Camp Project Prototype

$7.99
Baldor 3 HP Electric Motor VM330ST

$199.00
GE Motors Tachometer Generator Mod 5PY59JY1 1000 RPM

$99.99
Pulley, Double Groove, 3 1/2" NEW

$9.99
30 Hp electric motor

$75.00
DC Motor Speed Control Controller Electronic 30 Ampere

$31.05
Warner Electric Clutche & Brake PB-500 5300631005;*A11

$9.99
NEW IN BOX 3/4 HP MOTOR SINGLE PHASE

$75.00
Powerful High Torque DC 12V 160RPM Gear Motor-buySAFE!

$15.99
ELECTRIC MOTOR

$50.00
Reliance 1.5 HP Submersible Wet Pit Electric Motor

$99.00