Fleet Maintenance - 27

delivery vehicles, incorporating Dana's eS9000r
e-Axle for Class 4, 5, and 6. An e-Axle like the
one put in the Hyliion solution can be leveraged
for Classes 6 and 7. Dana is also developing a
solution for Class 8 for severe-duty applications
like refuse vehicles.
In other words, fleets of all shapes and sizes
could see more electrification in coming years
- perhaps sooner than later.

reduced emissions. As the technology evolves
and more OEMs begin to adopt these types of
integrated electric solutions, even bigger changes
could be on the horizon.
"We expect that vehicles themselves are
likely to change," Trost says. "An electric axle
opens up new possibilities with respect to vehicle design architectures. For example, maybe a

delivery van would like to have a lower floor.
Now you don't have to restrain the vehicle
architecture to the traditional frame rails or
the traditional extended-nose cab. There are
a lot of new possibilities that probably haven't
even been thought about yet - possibilities that
these new integrated electric powertrains are
going to enable."

Maintenance
made easier
Hyliion's Healy says the nice
thing with electric systems
is that wear and tear is limited. There are no pistons or
cylinders. There is an electric motor that spins, but
then just a battery pack
behind it.
"You just drive until the
batteries run out of life,"
Healy says. Any battery
pack has a pre-determined
life. Hyliion is using one of
the more advanced on the
market, generally providing
a seven- to nine-year life.
"Very little maintenance
is required beyond that,"
Healy adds. "On the Hyliion
system, you do need to
swap out the ATF (automatic transmission fluid) in the
motor once a year. Also, be
sure to top off the antifreeze
as needed."
Dana's Trost says most
motors and inverters are
relatively maintenance-free.
"Some have bearings that
are greased and are literally lubed for life," he points
out. "Some solutions in the
market have oil-cooled
motors, so fleets could see
sharing of oil as well as
lubricants for gears and
bearings. Many solutions
have traditional oil change
maintenance procedures.
One new thing to periodically check are the electrical cables to make sure
everything remains tight.
Still, it's a significant overall
decrease in the amount of
maintenance needed."
An electrified drivetrain
could dramatically change
the industry, and that
change has taken a big step
forward in recent months.
The benefits for a fleet are
plenty, from reduced weight
and fuel consumption to
simplified maintenance and

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Fleet Maintenance

Table of Contents for the Digital Edition of Fleet Maintenance