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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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POWER CRAFT ELECTRIC MOTOR 1/3 HP AC SPLIT POWER MOTOR

$10.49
Baldor Electric Motor M3770T, 7.5HP, 3PH, NEW IN BOX

$499.00
MOTOR 27V DC 2500 RPM PANCAKE TYPE

$24.95
4 HP 24V DC VEHICLE ELECTRIC MOTOR BIKE/PUMPS/GOKART

$169.04
C242 5KC32GN9G GE 1/4HP 1725 RPM AC MOTOR BRAND NEW!

$49.00
BALDOR 1HP 3 PH 1725RPM MOTOR NEW IN ORIGINAL BOX

$49.99
(10) New Bearing (s) 3/16" x 11/16"

$0.99
(24)Reliance/Dodge Master XL Motor Gear Reducers

$10000.00
Browning Idler V Belt Pulley Sheave for Motor

$25.00
Two Mini 12V DC Gear Motors 1000rpm for Hobby-buySAFE

$17.99
NEW SIEMENS 1 HP MOTOR

$25.00
NEW 5 HP BALDOR AIRCOMPRESSOR ELECTRIC MOTOR L1410T

$273.95
C330 5KC36JN268GX GE 1/2HP 3450 RPM AC MOTOR BRAND NEW!

$39.00
HOBART 479313-002 INDUSTRIAL DISHWASHER MOTOR ELECTRIC

$9.99
FASCO Electric Motor

$10.00
12 V DC motor, gearmotor, Right angle motor w/sprocket

$21.00
LCD Digital Tire Tyne PSI KPA Pressure Gauge Keyring

$18.50
Dayton Right Angle Gearmotor 1/8HP 230V 1PH RPM 43/36

$29.99
Ultra High Torque DC 3V 15RPM Gear Motor Multi-Purpose!

$9.99
Baldor Boehm gearmotor w/ variable speed control 90 VDC

$60.00
NEW BOSCH 1/2 HP 120V DC WIND GENERATOR/MOTOR 640W

$5.99
7" Gear Reduction Motor 10 to 1 Ratio Matsushita WORKS

$9.99
PITTMAN 12VDC MOTOR

$0.99
BALDOR 10HP ELECTRIC MOTOR

$225.00
MARATHON ELECTRIC MOTOR 1/2 hp. Single phase New in Box

$59.99
Directional clutch, 1.5" ID, actuator operated pawl.

$29.99
NEW HIGH SPEED 1.5 HP 115 V AC/DC ELECTRIC MOTOR, NR!!

$5.94
MARATHON 20HP MOTOR, EXTREME DUTY 240/480V 3 PHASE TEFC

$299.00
C330 5KC36JN268GX GE 1/2HP 3450 RPM AC MOTOR BRAND NEW!

$39.00
A.O. Smith Electric Motor

$0.99
SIEMENS 3 HP 1 YR OLD D-91056 ERLANGEN 50HZ/60HZ MOTOR

$74.99
RELIANCE ENERGY EFFICIENT 1/4HP A-C MOTOR-115/230V-NIB!

$19.99
NEW A.O. SMITH PERMANENT SPLIT CAPACITOR 134 HE3G451N'

$15.84
Baldor M3538 1/2Hp 3phase 56 Frame Motor

$25.00
12 VOLT DC GEARHEAD MOTOR 1/3 HP 128 RPM OUTPUT

$199.00
120V 240V AC/DC PMDC Electric Motor Variable Low Speed

$139.99
Lot of 4 Small AC Blower Motors, 7000 RPM

$14.00
Dodge Torque Arm II Speed Reducer Backstop Assy 20:1

$0.99
GEARHEAD MOTOR 12 VOLT 1/4 HP 150 RPM

$149.00
New Bodine Gear Motor

$99.99
BODINE 1/12 HP, 130VDC GEARMOTOR, $380.00 VALUE, NR

$29.99
Helical Flex Coupling MCAC150-24-12

$19.99
NEW BOSCH 1/2 HP 120V DC WIND GENERATOR/MOTOR 640W

$5.99
YASKAWA MINERTIA DC SERVO MOTOR, J SERIES, UGJMEE

$9.99
NEW Martin Timing Belt Pulley # 15L050

$4.99
NEW BISON D.C. GEAR MOTOR 90V D.C.

$49.95
NEW MARATHON ELECTRIC HAZARDOUS LOCATION MOTOR

$99.99
BALDOR 2HP ELECTRIC MOTOR #VM3558T NEW IN BOX NR

$27.00
Marathon Electric Motors - Lot of 8

$0.99
Fanklin Electric Industrial Motor .5 HP Three Phase 56C

$19.99
11x17 Petrol Garage Gas Engine Vintage Metal Sign v528

$14.99
CONE DRIVE REDUCER/GEAR BOX HV40-C9B 15:1

$499.99
Ogura Electric Clutches MNB 25-03 MNB 5

$450.00
JVL High Torque Stepper Stepping Motor NEW

$14.99
3 NEW AO Smith 1/3hp AC motor

$14.99
Baldor Industrial Motor

$10.00
Dayton Blower Motor 1/6 HP, 110V, 1725 RPM, #6K551A New

$39.99
Two Mini 12V DC Gear Motors 1000rpm for Hobby-buySAFE

$17.99
Marithon 3/4 HP 143TC 3 phase

$20.00
GE 5BPA48NBF2A 1.2 HP ELECTRICAL DC MOTOR WOW !!

$11.50
Dayton 4Z145 1/20hp DC motor

$19.99
Vintage Packard 1/3 Hp. Electric Motor Cheap ship $9.30

$15.00
DAYTON 1/3hp. SPLIT PHASE MOTOR

$49.99
115VAC DAYTON GEAR MOTOR

$99.99
36V transaxle drive/speed control from electric sweeper

$50.00
PITTMAN 12VDC MOTOR

$4.99
Helical Flexible Couplers Low Torque Apps * Lot of 5*

$24.99
BALDOR ELECTRIC MTR 1/4 hp. D/C MOTOR. RETAIL $516.00

$29.99
DODGE TORQUE ARM SPEED REDUCER

$29.99
Various small DC motors

$0.99
Leeson Motor Catalog No: G130282.00 Model: C182T34DB4A

$99.99
Baldor Electric Motor JMM4104T, 30HP, 3PH, NEW IN BOX

$999.00
Dayton Jet Pump Motor ½ HP! New in OB!

$14.99
Powerful High Torque DC 12V 160RPM Gear Motor-buySAFE!

$15.99
DAYTON- 1/4 HP, 90VDC GEARMOTOR, $376.00 VALUE, NR

$49.99
25 watt PWM DC MOTOR SPEED CONTROLLER 0-16 VDC 2 AMPS

$9.95
Dayton Industrial Electric Motor

$25.00
Elite Q400 Logic PC Board for SL3000 CSW200 Hercules

$259.00
AEG W/COUPLER- .12HP 1620RPM 60HZ TYPE AM56NY4

$50.00
NEW SURPLUS 5 HP ,1PHASE BALDOR ELECTRIC MOTOR

$222.00
VonWeise Gear Motor

$99.99
Two Mini 12V DC High Torque Gear Motor 200rpm for Hobby

$17.99
Unique 3 phase Build a Transformer Converter & Welder

$22.00
Dayton Split Phase Industrial Electric Motor

$25.00
TB Woods 5JE Coupling

$0.99
5 HP AIR COMPRESSOR DUTY MOTOR SINGLE PHASE 5/8 SHAFT

$155.00
Permanent Magnet HD 12V DC Motor Wind Hobby Karts RC

$12.99
RELIANCE P56X4502R/FK56 FRAME/230-460 1 HP ELECT. MOTOR

$98.99
Baldor IDNM3542 Inverter Drive Motor Encoder Ready

$168.00
Ultra High Torque DC 3V 15RPM Gear Motor Multi-Purpose!

$9.99
WESTINGHOUSE 1/3 HP ELECTRIC 115V 6.2AMP RPM 1725

$0.99
RF-370C-17315 MABUCHI MOTOR BRAND NEW!

$5.99
Dayton Split Phase Industrial Electric Motor

$25.00
24 Volt DC Motor. Reversable,Powerful !!!!!

$36.00
Taylor Dunn 3.5 HP Electric Motor for B-series elec car

$299.99