Truck & Off-Highway Engineering – June 2019

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34 June 2019 Free Info at http://info.hotims.com/73019-713 TRUCK & OFF-HIGHWAY ENGINEERING

TOYOTA

“The good thing about the electric
powertrain is that, basically, the compo-
nents are connected by wire harnesses,”
he said. “So, you can pick the motor, pick
the inverter, pick the battery, pick the fuel
cell and connect them to each other.” 

The second reason the Mirai fuel-cell
stack was used was that Yokoo knew it
worked—and worked well. 
“We spent 20 years of quality devel-
opment on the Mirai, so I can steal what
the Mirai team did.”

Two solid polymer electrolyte fuel-cell stacks
that are exactly like the one used in the Mirai
(shown) replace the diesel engine in the
Kenworth T680 tractor.

ORIGINAL EQUIPMENT


With the basics of the H 2 semi-truck
solution decided, Yokoo and his team
realized that they had stumbled upon a
way to power a vehicle of any size with
hydrogen. While internal combustion
engines come in many displacements
depending on the vehicle segment they
are going to be used in, “we don’t want
to develop those types of powertrains
for fuel-cell systems,” Yokoo said. “It
was our challenge to use one standard
to scale up to even a Class 8 truck. So, if
we can move a Class 8 truck with just
the existing passenger-size stack, that
means we can cover all of the car seg-
ments. That’s a great opportunity for
reducing costs, when one really good
unit can be applied to any segment.” 
Yokoo said Toyota is currently study-
ing the middle spaces between the Mirai
and a semi-tractor, to figure out the bal-
ance between one or two stacks and the

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stitch together a single 360-degree view
around the truck, reducing blind spots
and revealing pedestrians, cyclists, and
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mirrors. Blind spots are reduced and
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When loading, unloading or maneuvering
through traffic, ProViu ASL360 keeps
drivers fully aware of everyone and
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ProViu – A Trademark of
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800-564-5066


[email protected]
http://www.continental-corporation.com

Scan to see video.

Now – get a 360° view


around the truck.


CO5993 Truck and Off-Highway Eng_ProViu_ASL360_Truck_HalfIsland_6-19_V2.indd 1 5/8/19 12:31 PM

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