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

$499.99
Baldor H3583T 1.5 HP Electric Motor / New Surplus

$105.00
MAGNETEK CENTURY SPLIT PHASE 2 SPEED AC MOTOR

$25.00
GE Motor 1/4 HP 115 Volt A/C Model 4352

$40.00
Dayton 1hp capacitor start motor

$22.50
BALDOR ELECTRIC 1/8 HP DC GEAR TURNING MOTOR MACHINE

$31.00
10" BROWNING 3 GROOVE VARIABLE PITCH SHEAVE

$250.00
115/230V 3/4 HP ELECTRIC MOTOR (NEW)

$100.00
Bodine Electric Co 1/8hp 24V Dc gearmotor

$24.99
Dayton Right Angle Gearmotor 1/8HP 230V 1PH RPM 43/36

$29.99
Bodine Brushless DC Motor and Controller

$25.00
1.5HP (continuous duty) DC PM Motor

$29.00
(10) New Bearing (s) 3/16" x 11/16"

$0.99
PECO BAGLESS GRASS CATCHER

$4000.00
Industrial Sew-EuroDrive Severe Duty 110 lb AC Motor NR

$49.99
5HP 3 PHASE LEESON ELECTRIC MOTOR

$169.99
A.O. Smith AC Motor 1/6 HP 115V 1725 RPM

$9.98
5 Permanent Magnet HD 12VDC Motor Wind Hobby Karts RC

$39.99
Dayton 3/4 HP Belt Drive #5K900C

$24.99
Reversible Electric Gear Motor 24v 50 RPM Gearmotor DC

$59.99
MOTOR 27V DC 2500 RPM PANCAKE TYPE

$24.95
BALDOR 1/4 HP INDUSTRIAL MOTOR

$29.99
1/3 HP ELECTRIC MOTOR SINGLE NEW 115 230 VAC COMPRESSOR

$41.00
Dayton Motor AC GearMotor 110v Brand New!

$43.00
NEW ORIENTAL AC SPEED CONTROL SYSTEM ITEM #US540-401U

$119.00
RF-500TB-12560 MABUCHI MOTOR BRAND NEW!

$5.99
DAYTON 2 HP Electric Motor / New Surplus / Never Used

$105.00
200 HP Leroy Somer Electric Motor

$500.00
EMERSON 1/2 HP .5 ELECTRIC MOTOR REVERSIBLE

$24.99
Siemens Permanent Magnet Motor 1 FT5066-OAF01-2-Z

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

$15.99
LOT OF (2) 1/4 HP AC/DC ELECTRIC MOTOR 120 V, 2 AMPS

$4.99
NEW 1/8 HP ELECTRIC MOTOR

$45.00
ANGLE GEAR R4300 Pressy Transmission Products

$20.00
Thompson Saginaw 12V DC Actuator 7831121-P

$9.99
BROWNING CAST IRON 5/8" BORE 1/2" V BELT PULLEY BK120H

$10.50
8 HP Tecumseh electric start motor

$25.00
OLD GENERAL ELECTRIC 1/4 HP MOTOR

$5.00
NEW SIEMENS 1.5 HP MOTOR

$36.99
WWE Single PH Compressor Duty 5 HP Motor NIB - WARRANTY

$169.99
LCD Digital Tire Tyne PSI KPA Pressure Gauge Keyring

$18.50
DAYTON 3M257 25RPM 115V 60HZ AC GEARMOTOR 1/70HP

$29.99
WHEEL CHAIR MOTOR 12 VDC

$4.95
SIEMENS 3 HP 1 YR OLD D-91056 ERLANGEN 50HZ/60HZ MOTOR

$59.00
NEW 200 H.P. HP Electric Motor 1785 RPM 460 Volts 3 PH

$1500.00
BODINE PM DC GEAR MOTOR 32ABEPM-W4

$29.00
Small AC electric motor maybe erector set

$5.99
GROSCHOPP ELECTRIC MOTOR .9 AMPS 123 WATTS-NEW

$19.99
GE Motor 1/4 HP 115 Volt A/C Model 4352

$40.00
A.O. Smith 1/2 HP HVAC Split Phase Motor

$49.99
(2) 12 V DC motor, gearmotor, Right angle motor

$22.72
Electric MOTOR, 3 Phase, 1/2 HP, 220/440 V, Great Cond.

$23.99
Siemens Permanent Magnet Motor 1 FT5064-OAF01-2-Z

$75.00
Baldor Wash Down Heavy Duty Motor 1/2 HP

$29.99
BRAND NEW 20" ORIENTAL MOTORS LINEAR HEAD # 4LF45-4

$119.00
Baldor JL3504A 1/2 HP Electric Motor / New Surplus

$85.00
Dayton #2H575 DC Gearmotor

$190.00
TB Woods 5JE Coupling

$0.99
LOT OF 12 OIL SEALS 1" SHAFT X 2 1/4" OUTER DIAMETER

$9.99
WEG W21 7.5 HP 1765 RPM 213T 208-230/460V MOTOR

$199.00
Baldor 3hp motor

$1.25
Unique 3 phase Build a Transformer Converter & Welder

$22.00
Dayton Motor 3m857 Brand New in Box

$9.00
Old Kenmore small ac - dc electric motor sewing 65 watt

$9.99
One Medium Torque DC 3V 470RPM Gear Motor Multi-Purpose

$9.99
SIX, NEW! Elec. Motors 120v, Ametek (Brush) PN R5413-17

$7.99
BODINE 1/4 HP GEAR MOTOR

$45.00
Dayton 1 HP 115,230, V 1 PH.Reversible H56 frame

$21.99
Fanklin Electric Industrial Motor .5 HP Three Phase 56C

$19.99
ELECTRIC MOTOR 1 HP - mc-42 - W/PULLEY- NEW COND. N/R

$0.99
NEW SIEMENS 3HP MOTOR

$36.99
NEW HIGH SPEED 1.5 HP 115 V AC/DC ELECTRIC MOTOR, NR!!

$5.94
Ultra High Torque DC 3V 15RPM Gear Motor Multi-Purpose!

$9.99
Reversible Electric Gear Motor 12v 50 RPM Gearmotor DC

$59.99
EMERSON ELECTRIC POLYPHASE 3 MOTOR HP 3

$25.00
Stainless Motor, HP 1/2, Voltage 208-230V/460 Volts

$249.00
Electric Motor, 220V, 3-Phase, 3430RPM, New.

$219.00
NEW BISON D.C. GEAR MOTOR 90V D.C.

$49.95
15 hp Marathon Electric motor

$150.00
Reversible Electric Gear Motor 12v 50 RPM Gearmotor DC

$59.99
Siemens Permanent Magnet Motor 1 FT5074-OAF01-2-Z

$75.00
MOONS MINI STEPPING MOTOR #23HY1406 SET OF 2

$18.00
NEW 1.5 HP Baldor TEFC 1725 1 Phase Electric Motor 5/8

$209.99
IMPERIAL AD15029 AC INDUCTION MOTOR 1-1/2 HP NEW !!

$9.99
GENERAL ELECTRIC 1.5 HP DC MOTOR

$100.00
NICE GM PACKARD ELECTRIC MOTOR

$9.00
Reversible Electric Gear Motor 24v 50 RPM Gearmotor DC

$59.99
Reversible Electric Gear Motor 12v 50 RPM Gearmotor DC

$59.99
180 VDC 1750 rpm 1/5 hp RAE electric gear motor TENV

$30.00
RF-370C-17315 MABUCHI MOTOR BRAND NEW!

$5.99
Martin Taper Bushing 3-7/16 NIB # 3535

$10.00
1/2" Pillow Block Bearing UCP201-8, NEW, NIB .500"

$7.69
FASCO ELECTRIC MOTOR 1/50 HP 230V

$9.99
5HP 3 PHASE LEESON ELECTRIC MOTOR

$169.99
DC MOTOR 48V 7HP CLUBCAR GE "NEW OEM" GOLFCART

$100.00
Ogura Electric Clutches MNB 25-03 MNB 5

$450.00
Emerson motor 3/4HP

$0.99