Toyota BEV / FCEV transmissions

Eugenio,77
mail@toyota-club.net
© Toyota-Club.Net
Nov 2022




eAxles of electric vehicles and fuel cell EVs are almost identical to the well-known rear drive modules for all-wheel drive hybrids, and even share the same indexing order.

Q410
· Layout - 3-shaft type, with planetary unit
· Electric motor - 4JM (113 kW / 335 Nm), with permanent magnets
· Gear ratio - 8.779
· Capacity - 4.2 l (ATF WS)

ModelProduction
Mirai JPD102015-2020


1 - electric motor, 2 - oil pump, 3 - reduction planetary gear, 4 - counter drive gear, 5 - counter driven gear, 6 - final drive gear, 7 - final driven gear, 8 - differential gear unit, 9 - one-way clutch, 10 - one-way clutch inner race

Features: reduction planetary gear, additional external electric oil pump and air-cooled oil cooler, one-way clutch for oil pump stopping at reverse.


1 - reduction planetary gear, 2 - electric motor, 3 - oil pump, 4 - sun gear, 5 - planetary carrier, 6 - ring gear, 7 - counter drive gear, 8 - counter driven gear, 9 - final driven gear, 10 - final drive gear, 11 - one-way clutch inner race, 12 - one-way clutch, 13 - pinion gear



Q710
· Layout - 3-shaft type
· Electric motor - 3KM (134 kW / 300 Nm), with permanent magnets
· Gear ratio - 11.691
· Capacity - 5.6 l (ATF WS)

ModelProduction
Mirai JPD202020-


1 - electric motor, 2 - parking lock gear, 3 - shift control actuator, 4 - counter drive gear, 5 - counter driven gear, 6 - final drive gear, 7 - oil pump, 8 - final driven gear, 9 - differential gear unit

Features: rear-mounted, simplified reduction geartrain, additional external electric oil pump and air-cooled oil cooler.


1 - electric motor, 2 - counter drive gear, 3 - counter driven gear, 4 - oil pump, 5 - final driven gear, 6 - final drive gear




Q711
· Layout - 3-shaft type
· Electric motor - 4KM (150 kW / 300 Nm), with permanent magnets
· Gear ratio - 11.691
· Capacity - 4.3 l (ATF WS)

ModelProduction
Lexus UX300e KMA102019-
Toyota C-HR EV KPX102020-
Toyota Izoa EV KPX102020-

Features: the first mass-production EV's of Toyota, front-mounted, water-cooled oil cooler, 355V HV system.




Q910
· Layout - 3-shaft type
· Electric motor - 1XM (150 kW / 266 Nm), 1YM (80 kW / 169 Nm)
· Gear ratio - 13.786
· Capacity - 3.9 l (e-Transaxle Fluid TE)

ModelProduction
bZ4X XEAM10 (150 kW)2022-
bZ4X YEAM15 (80 kW)2022-
Lexus RZ450e (150 kW)-

Features: front-mounted, inverter integrated in the drive module, 355V HV system.



QA10
· Layout - 3-shaft type
· Electric motor - 1YM (80 kW / 169 Nm)
· Gear ratio - 13.786
· Capacity - 3.1 l (e-transaxle fluid TE)

ModelProduction
bZ4X YEAM152022-
Lexus RZ450e-

Features: rear-mounted, inverter integrated in the drive module, 355V HV system, analogue of rear-drive unit of HEV.



Beyond the system

• Toyota FCHV (2002), first fuel-cell car based on Toyota Kluger (90 kW) produced for limited leasing.

• Hino Poncho EV (2011), community-bus with UQM electric motor (115/200 kW).


• Toyota Sora (2018), fuel-cell bus (113 kW x 2 motors).


• Hino Poncho ZEV (2021), rebaged BYD J6 community-bus (161 kW).

• Hyno Dutro ZEV (XED100), delivery LCV: electric motor (A1 type, 50 kW / 334 Nm) instead of conventional engine/transmission unit and front-wheel drive.



• Toyota bZ3, jointly developed by Toyota/BYD/FAW, BYD electric motor (135/180 kW).


Toyota Hybrids and EVs:
· E-Four AWD · THS-C system · HEV transmissions · BEV/FCEV transmissions · Business cars ·