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

$1500.00
2 Browning Mayville V Belt Pulleys w/ Keyed Shafts

$9.99
American Bosch motor motors d.c. dc 2 motors electric

$9.99
100 SMALL BALL BEARINGS, 5/16"OD, 1/8" ID.

$9.00
NEW Reliance 2HP Motor 1725 RPM 208-230/480 3PH 145TC

$79.00
BRAND NEW 20" ORIENTAL MOTORS LINEAR HEAD # 4LF45-4

$119.00
NEW DAYTON 1LPK3 INDUSTRIAL GEARMOTOR GEAR MOTOR

$59.99
Baldor JL3504A 1/2 HP Electric Motor / New Surplus

$85.00
SIEMENS 3 HP 1 YR OLD D-91056 ERLANGEN 50HZ/60HZ MOTOR

$59.00
1 HP Worm Gear Box Speed Reducer Box 20 - 1

$283.00
One Medium Torque DC 3V 470RPM Gear Motor Multi-Purpose

$9.99
LOT OF (2) 1/4 HP AC/DC ELECTRIC MOTOR 120 V, 2 AMPS

$4.99
NEW SIEMENS 1.5 HP MOTOR

$36.99
1.5 HP 3450 RPM GE JET PUMP MOTOR 1 PH 56J NEW POOL

$150.00
MOTOR 27V DC 2500 RPM PANCAKE TYPE

$24.95
Dayton Motor 3m857 Brand New in Box

$9.00
CONE DRIVE REDUCER/GEAR BOX HV40-C9B 15:1

$499.99
GE Motor 1/4 HP 115 Volt A/C Model 4352

$40.00
BODINE 1/4 HP GEAR MOTOR

$45.00
Ultra High Torque DC 3V 15RPM Gear Motor Multi-Purpose!

$9.99
NEW LINCOLN 7.5 HP ULTIMATE-E MOTOR MODEL CF4G7.5U64

$399.00
12 Volt DC WORM GEAR MOTOR 40 RPM Lot of 2

$51.00
35 NOS Craftsman Line Shaft Collars Stops 3/4" 5/8" 1/2

$9.95
BRAND NEW BODINE ELECTRIC 09 KW GEARMOTOR TYPE 34Y6BFPP

$59.00
Split Phase Gear Motor

$25.00
Bodine Electric Co 1/8hp 24V Dc gearmotor

$24.99
Dayton 1 HP 115,230, V 1 PH.Reversible H56 frame

$21.99
EMERSON 1/2 HP .5 ELECTRIC MOTOR REVERSIBLE

$37.99
Dayton Motor AC GearMotor 110v Brand New!

$43.00
24 Volt DC Motor. Reversable,Powerful !!!!!

$33.00
Gates T276 Timing Belt + Duralast 415K6 Serpentine Belt

$19.99
general electric 1/4 hp electric motor runs good

$9.99
(10) New Bearing (s) 3/16" x 11/16"

$0.99
High Torque 47 Foot lbs 86 RPM AC Motor Gear Package

$572.00
Emerson motor 3/4HP

$0.99
Dayton 1hp capacitor start motor

$22.50
IMPERIAL AD15029 AC INDUCTION MOTOR 1-1/2 HP NEW !!

$9.99
EMERSON 6765 ½ H.P. Evaporative Cooler Motor

$16.99
Vintage Dayton Electric Motor 1/4 hp Split Phase

$19.99
BRAND NEW BODINE 1/2 HP GEARMOTOR 48R6BFPP-F3

$189.00
Dayton #2H575 DC Gearmotor

$190.00
5HP 3 PHASE LEESON ELECTRIC MOTOR

$169.99
NEW ORIENTAL AC SPEED CONTROL SYSTEM ITEM #US540-401U

$119.00
NEW BISON D.C. GEAR MOTOR 90V D.C.

$49.95
Electric Motor, 220V, 3-Phase, 3430RPM, New.

$219.00
A.O. Smith 1/2 HP HVAC Split Phase Motor

$49.99
BRAND NEW MARATHON ELECTRIC 1/3 HP MOTOR CATALOG#. G580

$89.00
Reversible Electric Gear Motor 12v 50 RPM Gearmotor DC

$59.99
Baldor 3hp motor

$20.50
AO Smith 1/2HP 115/230 vac Electric Motor 1725RPM revsb

$39.99
Thompson Saginaw 12V DC Actuator 7831121-P

$9.99
Centrifuge Decanter DC-65, Horizontal

$55000.00
Bodine Brushless DC Motor and Controller

$25.00
WWE Single PH Compressor Duty 5 HP Motor NIB - WARRANTY

$169.99
Industrial Sew-EuroDrive Severe Duty 110 lb AC Motor NR

$49.99
NEW 1.5 HP Baldor TEFC 1725 1 Phase Electric Motor 5/8

$209.99
120 VAC mystery motor 1/2 - 1 hp estimated, runs great

$24.99
BOSTON GEAR MOTOR

$19.99
Stainless Motor, HP 1/2, Voltage 208-230V/460 Volts

$249.00
Unique 3 phase Build a Transformer Converter & Welder

$22.00
Powerful High Torque DC 12V 160RPM Gear Motor-buySAFE!

$15.99
MAGNETEK CENTURY SPLIT PHASE 2 SPEED AC MOTOR

$25.00
Baldor Wash Down Heavy Duty Motor 1/2 HP

$29.99
1/3 1/2 HP 1725 RPM Pulley Electric MOTOR 6.7amp 110v

$15.33
Dayton Right Angle Gearmotor 1/8HP 230V 1PH RPM 43/36

$29.99
VERY NICE RELIANCE SYNCHRONOUS SERVO MOTOR B14H1050P-PX

$89.00
GENERAL ELECTRIC 1.5 HP DC MOTOR

$100.00
3HP Submersible Motor Control Pentair water T-Series

$0.99
NEW! Gear Reducer Size 50 70:1

$89.95
FASCO ELECTRIC MOTOR 1/50 HP 230V

$9.99
Reliance 1/3hp, 3 phase electric motor, 1/2 shaft, 1725

$0.99
15 hp Marathon Electric motor

$99.00
EMERSON ELECTRIC POLYPHASE 3 MOTOR HP 3

$25.00
EMERSON G644 1 1/2 HP 1750 RPM 180V DC MOTOR, US MOTORS

$139.99
ELECTRIC MOTOR 1 HP - mc-42 - W/PULLEY- NEW COND. N/R

$0.99
5HP Electric Motor, 3 Phase, 208-230/400V Frame 184TC

$50.00
200 HP Leroy Somer Electric Motor

$500.00
Dayton 3/4 HP Belt Drive #5K900C

$24.99
OLD GENERAL ELECTRIC 1/4 HP MOTOR

$5.00
NICE GM PACKARD ELECTRIC MOTOR

$9.00
GROSCHOPP ELECTRIC MOTOR .9 AMPS 123 WATTS-NEW

$19.99
DAYTON 2 HP Electric Motor / New Surplus / Never Used

$105.00
DAYTON 3M257 25RPM 115V 60HZ AC GEARMOTOR 1/70HP

$29.99
10- NOS- DUAL SHAFT- 115 VOLT- C FRAME MOTORS-SKELETON

$8.99
AO Smith 1/2HP 115vac Electric Motor 1725RPM Reversible

$13.99
New 130 VDC 2.5 HP 4500 RPM Treadmill Replacement Motor

$25.99
Baldor H3583T 1.5 HP Electric Motor / New Surplus

$105.00
NEW SIEMENS 3HP MOTOR

$36.99
PECO BAGLESS GRASS CATCHER

$4000.00
NEW 1/8 HP ELECTRIC MOTOR

$45.00
Fanklin Electric Industrial Motor .5 HP Three Phase 56C

$19.99
CURTIS ALWRIGHT SOLINOID Type SW200-104 curtisinst.com

$25.00
2 MICROREDUCTION SYNCRONUS MOTORS 120v/CW/CCW

$9.50
1 HP Motor and gear box

$9.95
Electric MOTOR, 3 Phase, 1/2 HP, 220/440 V, Great Cond.

$23.99
NEW Dayton HVAC Pedistal Yoke FAN Blower Motor 110 VAC

$79.00
Dayton Reversing Drum Switch 2X441A & 1 HP Motor

$254.00
MOONS MINI STEPPING MOTOR #23HY1406 SET OF 2

$18.00
Split Phase Gear Motor Electrical

$25.00