powertrainpower electronicsvehicle management unitprevious productiontechnologieselectric motor technologiespower electronicsr & d partnersservicesdevelopmenttechnical supporttrainingtesting facilitiescommissioningapplicationsautomotivecommercial vehiclesenergymarine solutionsmotorsportsmediascareerssuppliersfaqextranetcontact us englishfran aislinkedinfacebooktwitterhomeabout usoverviewprofile and certificationsmission and valuesjoint venture prestolite e propulsion systemshistoryour teamfacilitiescustomerspartnersdistributors about usspun off by hydro quebec in 1998 tm4 pioneered the electric propulsion system technology developed by hydro qu bec s renowned research centre ireq . today tm4 provides its customers with distinctive expertise in electric drivetrains . read moreproductshigh speed electric powertrainmotive low voltage 96 vdc motive medium voltage 450 vdc direct drive electric powertrainsumo mdsumo hdpower electronicsco150 traction inverterco150 auxiliary invertervehicle management unitneuroneuro 200previous production productstm4 develops and markets electric motors and power control systems offering the best efficiency in the industry unmatched volumetric power density and reduced integration costs . read moretechnologieselectric motor technologiesexternal rotor motor technologiespatented stator technologiespower electronicsreflex technologymultiphaseigbt and gate driverssoftwarer & d partners technologiesour patented permanent magnet technology combined with external rotor topology motors allow us to offer complete electric drivetrain systems known as some of the most advanced in the world read moreservicestechnical supportdevelopmenttrainingtesting facilitiescommissioningcustomer support portal servicesin the hands of our solution driven technicians our team will work closely with you offering technical support training vehicule integration maintenance and more . read moreapplicationsautomotivecommercial vehiclesmarine solutionsmotorsportsenergy applicationsour electric powertrain solutions can be found in automotive commercial and recreational vehicles as well as in the mining rail marine and motorsports sectors . read moreintroducing tm4leader in the design and production of electric and hybrid powertrain systems tm4 inc. has the resources and the know how to become a key partner of transport industry s manufacturers suppliers and integrators . read moresee our technologies in action inside a busthis video showcase tm4 s products for buses and trucks electrification and hybridization such as electric motors generators motor controllers inverters units and vehicle controllers . read moreengineered to perfectiontm4 develops and markets electric motors and power control systems that exceed the requirements of global markets for electric mobility . read moreunique technologiesour patented permanent magnet technology and external rotor topology motors combined with our power electronic reflex gate driver technology allow us to offer complete electric drivetrain systems known as some of the most advanced in the world . read moreefficient servicesin the hands of our solution driven technicians our team will work closely with you offering technical support training vehicle integration maintenance and more . read morediverse applicationsour electric drivetrain solutions can be found in commercial automotive and recreational vehicles as well as in the mining rail marine and motorsports sectors . read more high speed electric powertrains the tm4 motive series features power dense electric motors and electronic inverters with an emphasis on automotive and light duty vehicle platforms . ... direct drive electric powertrains the tm4 sumo series consists of high torque low speed motors and direct drive multiphase electronic inverters designed specifically for the commercial vehicle market . ... electric motor technologies our patented permanent magnet motor technologies combined with an external rotor topology allow us to offer complete electric drivetrain systems recognized as some of the ... power electronics technologies combining many hardware and software innovations tm4 s inverter platforms use the reflex gate driver technology to offer unmatched current densities . ... latestnews here are the latest news about the events tm4 attends and other general informations . see all newstm4 announces technology advancement and the launch of 3 new sumo md electric motors boucherville qc tm4 will introduce three new sumotm md powertrain options at the 29th electric vehicle symposium & exhibition evs29 offering read moretm4 launches inside tm4 video series boucherville qc tm4 presents inside tm4 a series of videos covering various themes and offering its audience an inside look at the company . read moresite maplegal noticenewsletter sign up credit bang