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Drive Train Components including transmissions, drive shafts, adapters and couplers.

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4 inch Flywheel Coupler Blank
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Couplers fit any standardized 24 spline motor including TM4, Siemens, UQM & Remy. These are very snug fit couplers to fit over the splined shaft of motors such as the Siemens and UQM. You must heat them to about 300F to install them over the splined shaft. When cool, they will have a very tight fit. They are also blank. This is so you can machine them further to fit specific flywheels and horizontal distances from motor face. So additional machining will normally be required. These couplers represent the hard part - Electric Discharge Machining to produce the involute spline for the motor shaft. These blanks are then further machined to fit flywheels normally.
Price: $293.00
3 inch Flywheel Coupler Blank
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Couplers fit any standardized 24 spline motor including TM4, Siemens, UQM & Remy. These are very snug fit couplers to fit over the splined shaft of motors such as the Siemens and UQM. You must heat them to about 300F to install them over the splined shaft. When cool, they will have a very tight fit. They are also blank. This is so you can machine them further to fit specific flywheels and horizontal distances from motor face. So additional machining will normally be required. These couplers represent the hard part - Electric Discharge Machining to produce the involute spline for the motor shaft. These blanks are then further machined to fit flywheels normally.
Price: $258.00
Internal Splined Coupler for eGear Drive
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 This is a 75 mm long involuted spline coupler that is used to connect the Siemens 1PV5135 motor to the BorgWarner 33-03 eGearDrive transmission.  Both transmission and motor have identical 24 tooth splined shafts, 24.87 mm in diameter.  This coupler is included WITH the eGearDrive transmission.  We offer it here separately for those buying the Siemens motor who might want to use it to develop other couplers to different transmissions.  Comes with two rubber O rings.
Price: $99.00

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