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

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Borg Warner 31-03 eGearDrive 8.28
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 Borg Warner 31-03 eGearDrive.

 This single speed transfer case was developed by Borg Warner specifically for electric drive applications.  It has emerged as THE drive train choice for modern electric vehicles. It was used by CODA with the UQM drive train and by Azure Dynamics with their eTransit Connect.  Aptera and the Tesla Roadster also used this gearbox. The 8.28: 1 drive ratio is perfect for single ratio electric vehicle applciations. 

Ideally suited for full performance electric vehicles on either front-wheel drive or rear-wheel drive transverse driveline applications, the BorgWarner 31-03 eGearDrive(TM) single-speed transmission delivers high torque capacity, high efficiency, and low noise, vibration and harshness (NVH) in a compact package. 

Named a finalist for the 2010 Automotive News PACE Awards, BorgWarner's eGearDrive™ transmission incorporates patented and proprietary technology as well as over 100 years of powertrain know-how. Through its high-efficiency gear train and compact, low-weight design, the BorgWarner eGearDrive™ transmission contributes to extended battery-powered driving range which in turn reduces the required amount of battery capacity needed. The transmission also achieves high torque capacity in a compact package with greater than 97% efficiency, while providing smooth, quiet operation. Approximately 99% of the materials used in the eGearDrive™ transmission are recyclable.

BorgWarner's 31-03 eGearDrive is a purpose built, high performance transmission that can be broadly adapted to a variety of electric propulsion systems," said John Sanderson, President and General Manager, BorgWarner Drivetrain Systems. "Designed for fast-to-market implementation, we expect this eGearDrive transmission to accelerate growth in the all-electric and hybrid electric vehicle segments." In addition to providing primary drive for front-wheel drive and rear-wheel drive electric vehicles and hybrid electric vehicles, BorgWarner eGearDrive systems enable launch assist, energy recovery, and AWD performance for the secondary-driven axle on any type of vehicle. Also available is an optional electronically actuated park lock system as well as various electronic driveline disconnect systems.

We acquired 16 of these from the AZD auction and they are perfectly mated to the Seimens 5135 motors and includes a shaft adapter for this motor. 

We have been able to resupplly from Borg Warner but unfortunately not at the liquidation price.
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Price: $3595.00
Borg Warner 31-03 eGearDrive 6.54 UQM
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 Borg Warner 31-03 eGearDrive.

 This single speed transfer case was developed by Borg Warner specifically for electric drive applications.  It has emerged as THE drive train choice for modern electric vehicles. It was used by CODA with the UQM drive train and by Azure Dynamics with their eTransit Connect.  Aptera and the Tesla Roadster also used this gearbox. The 6.54: 1 drive ratio is perfect for single ratio electric vehicle applciations. 

This model features the CANbus controlled electrically activated Park/Neutral/Drive controls.  

Ideally suited for full performance electric vehicles on either front-wheel drive or rear-wheel drive transverse driveline applications, the BorgWarner 31-03 eGearDrive(TM) single-speed transmission delivers high torque capacity, high efficiency, and low noise, vibration and harshness (NVH) in a compact package.

Named a finalist for the 2010 Automotive News PACE Awards, BorgWarner's eGearDrive™ transmission incorporates patented and proprietary technology as well as over 100 years of powertrain know-how. Through its high-efficiency gear train and compact, low-weight design, the BorgWarner eGearDrive™ transmission contributes to extended battery-powered driving range which in turn reduces the required amount of battery capacity needed. The transmission also achieves high torque capacity in a compact package with greater than 97% efficiency, while providing smooth, quiet operation. Approximately 99% of the materials used in the eGearDrive™ transmission are recyclable.

BorgWarner's 31-03 eGearDrive is a purpose built, high performance transmission that can be broadly adapted to a variety of electric propulsion systems," said John Sanderson, President and General Manager, BorgWarner Drivetrain Systems. "Designed for fast-to-market implementation, we expect this eGearDrive transmission to accelerate growth in the all-electric and hybrid electric vehicle segments." In addition to providing primary drive for front-wheel drive and rear-wheel drive electric vehicles and hybrid electric vehicles, BorgWarner eGearDrive systems enable launch assist, energy recovery, and AWD performance for the secondary-driven axle on any type of vehicle. Also available is an optional electronically actuated park lock system as well as various electronic driveline disconnect systems.

We acquired 10 of these from the CODA bankruptcy and they are perfectly mated to the UQM Powerphase 100 motors and includes a shaft adapter for this motor.

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Price: $3595.00
Torque Box 2:1 Gear Box
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 Torque Trends Torque Box Gear Reduction Unit

This is the perfect adapter for our UQM 100 Powerphase or Siemens 1PV5135 motors.  Includes mounting plate and coupler for the motor.  Provides 1.98:1 gear reduction through planetary gear set and a yoke ouput to your drive shaft.

ELIMINATE YOUR TRANSMISSION ENTIRELY.  Direct drive to rear wheel drive differential.  Total gear reduction, on a 4.11 differential rear drive system would be 1.98 x 4.11 to 1 or 8.1378 total gear ratio.

This beautiful billet aluminum gear reduction box is THE EASIEST way to connect your motor to a rear wheel drive car - much smaller, lighter, and more efficient than an automatic or manual transmission.
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Price: $3495.00



Quaife ATB Limited Slip Differential for Tesla Model S
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 The QDH2T is a direct replacement for the standard open differential in the Tesla Model S.

Unlike a conventional plate-style limited slip differential, the Quaife ATB differential relies on gears rather than clutch plates for its operation. That means it is much smoother in operation.

The ATB differential never locks harshly with a set pre-load of wheel slip across the driven axle, like a conventional LSD. Rather, it automatically biases the torque away from the spinning wheel across the axle, to a constantly varying degree, and never locks.

The ATB differential has many benefits over a standard open differential, including maximising traction and minimizing wheelspin, eliminating torque steer and snatching in front wheel drive cars compared to conventional LSD units, and a maintenance-free design which retains the standard oil lubrication.

The ATB differential is proven in circuit and drag racing, rallying and road use, and is produced from Corus steel billets, and is CAD designed and CNC machined, then inspected to ISO 9001 standards.

With over 370 applications, the Quaife ATB Helical LSD differential is second to none. Accept no imitations!

Quaife ATB differentials are used by Ford, General Motors and Daimler-Chrysler as original equipment.

The Quaife ATB differential is also now subject to a lifetime warranty (subject to terms and conditions).

Please confirm your application using the attached technical drawing.

Price: $1995.00
Manufacturer: Evnetics, LLC
EVTV Siemens VW Adapter
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EVTV Siemens VW Adapter

An EVTV exclusive. This adapter allows you to connect the Siemens 1PV5135 Motor to any VW swing axle or IRS transmission from the 67-79 VW Bug.

The adapter features an extremely high quality billet aluminum plate to adapt the motor to the transmission.  But it also features a thrust bearing and integral coupler that accepts the Siemens shaft spline on one side and allows the VW flywheel and gland nut on the other.  This makes using this motor with any VW transaxle extremely easy.  Just bolt the adapter onto the motor.  Add your flywheel, gland nut, clutch and pressure plate, and bolt the assembly to the transmission. It can not be done more simply.  The coupler is integral to the adapter.
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Price: $1995.00
Manufacturer: Evnetics, LLC
EVTV UQM Powerphase 100 VW Adapter
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EVTV UQM VW Adapter

An EVTV exclusive. This adapter allows you to connect the UQM Powerphase 100  Motor to any VW swing axle or IRS transmission from the 67-79 VW Bug.

The adapter features an extremely high quality billet aluminum plate to adapt the motor to the transmission.  But it also features a thrust bearing and integral coupler that accepts the Siemens shaft spline on one side and allows the VW flywheel and gland nut on the other.  This makes using this motor with any VW transaxle extremely easy.  Just bolt the adapter onto the motor.  Add your flywheel, gland nut, clutch and pressure plate, and bolt the assembly to the transmission. It can not be done more simply.  The coupler is integral to the adapter.
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Price: $1995.00



Azure Dynamics eTransit Connect Drive Shafts
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Pair of Azure Dynamics eTransit Connect Drive Shafts.

These are the real left and right drive shafts for the Azure Dynamics eTransit Connect.  These shafts each have two constant velocity joints and the proper shaft and spline to fit into the Borg Warner eGearDrive single speed transmission.  By replacing the wheel ends of these drive shafts with the proper shaft and length, you can adapt to any front wheel drive vehicle.


Price: $1299.00
CODA Drive Shafts
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Pair of CODA Drive Shafts.

These are the real left and right drive shafts for the CODA automobile. These shafts each have two constant velocity joints and the proper shaft and spline to fit into the Borg Warner eGearDrive single speed transmission.  By replacing the wheel ends of these drive shafts with the proper shaft and length, you can adapt to any front wheel drive vehicle.  These shafts will fit either the CODA 6.54 eGearDrive OR the Azure Dynamics 8.28 eGearDrive.


Price: $1299.00
Siemens B-Face Adapter
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 B-FACED Motor Adapter for Siemens 1PV5135 Electric Motor

This adapter plate and shaft extension allows you to use the Siemens 1PV5135 motor with any adapter/transmission normally used by a standard B-Face motor such as a Netgain Warp 9 or Warp 11.  This means you can easily upgrade from an earlier ADC or Netgain or kostov motor to a Siemens AC system.

The adapter plate is indexed to teh Siemens front face for secure mounting and features four through threaded holes and four grade eight bolts to fasten it in place.

The front side features a standard B-face boss or index with the usual 8 threaded holes surrounding it.  As such almost any adapter plate can then be bolted to it.

The Siemens motor features a very short 3/4 inch long splined shaft.  The included shaft coupler fits securely over that splined shaft and is held in place by a hex cap screw that readily threads into the threaded hole in the Siemens shaft, holding it securely in place.  

The other end is the standard 1 1/8th inch shaft with 1/4 hardened keyway.  Key included.


Price: $995.00



Billet Aluminum Siamese Motor Adapter
This billet aluminum siamese motor adapter was designed by Wayne Alexander of EV blue to mate two Netgain Warp 9 or two Warp 11 motors end to end.

One side of the adapter mates to the drive end of one motor, and the other side mates to the aux end of the other motor.

We've added four Grade 9 steel 3/16 bolts and  four Nordlock washers for the aux end.  We've also added four Grade 9 3/8 bolts and Nordlock washers to for the drive end.

You will need to devise a shaft coupler and as the available shafts vary, we'll leave that to you.  The adapter mates two motors for twice the power.


Price: $849.00
Andromeda Interface for GEVCU
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Andomeda Interfaces has done a special version of their EVIC display for our Generalized Electric Vehicle Control Unit or GEVCU.  And we've revised our software version 5.220 to make use of this display to display:

Tachometer - motor rpm
Motor temperature
Inverter Temperature
Ampere-Hours
State of Charge of Battery Pack
With a display wide bar showing motor current as negative for forward with a separate bar for positive (regen) current.

Price: $695.00
5 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: $337.00

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