AGRITECHNICA DRIVETRAIN
JOHN DEERE POWER SYSTEMS
79
November 10-16, 2019
John Deere Power Systems
Hall 13, Stand C40
ELECTRIFICATION THAT IS TOUGH ENOUGH FOR OFF-HIGHWAY
HYBRID POWER
SOLUTIONS IS NO LONGER BEYOND THE REALMS OF POSSIBILITY
iVTInternational.com September 2019
As owners and operators of off-highway
equipment face ever increasing demands
for improved emission performance, fuel economy
and productivity, many are looking at emerging
electrification technologies for solutions. Compared
with the automotive industry where significant volume
can be generated by a few basic electrification
architectures, the comparatively low volume offhighway
market’s diverse and demanding applications
present a significant challenge for electrification.
Another challenge facing the electrification of
off-highway equipment is the current limitations of
battery technology. Today’s batteries are too heavy,
too large or not power-dense enough to sustain
vehicle operation for the entire workday. Unlike with
a passenger car, if an off-highway operation stops,
it impacts a business.
Approaching these obstacles
with scalable hybrid solutions offers
a sustainable path forward to reap
the benefits of electrification while
maintaining the range and flexibility
of traditional diesel.
Tough enough solutions
John Deere has leveraged its years of
experience in both traditional diesel power
and electric drive technologies to create scalable,
durable hybrid solutions for off-highway applications.
New electric drivetrain components from John Deere
consist of compact, high-speed motors controlled by
power electronics. These components integrate into
various John Deere pump drive and transmission
solutions, resulting in a flexible drivetrain portfolio for
ease of OEM implementation. Plus, because both power
generation and traction drive components are managed
through a John Deere inverter, the solution ensures a
balanced energy system.
John Deere works to make electrification easy by
optimizing three electrification factors that comprise
of power generation, power conversion and power
usage. Because all three of these systems are developed
in-house, the interfaces are engineered to work
together. From the engine power generation to the
electrically driven output shaft, each part of the system
is developed with the other components in mind.
These solutions can be custom-built, meaning there
TOP: Electric motor drive
ABOVE LEFT: Generator hydraulic pump drive
ABOVE RIGHT: Electric pump drive
is a way to optimize them for every OEM need.
Additionally, since these solutions are modular, the
power generation, power conversion and electric drive
components can be implemented independently or as
a full hybrid system within existing machine forms. The
electric transmission module is designed to be dropped
in and hooked up to existing drivetrain connections
with minimal adjustment, eliminating the need to
alter an entire vehicle in order to implement
electrification solutions.
As an early adopter of electric drive technology
with the John Deere 644K and 944K hybrid loaders,
the company has more than one million logged hours
of operating experience to inform new technology.
Leveraging this expertise, the business can create
tailor-made custom electric drivetrain systems that
can withstand the rugged demands of an off-highway
application.
When it comes to electrification in the off-highway
market, experience is essential. It’s the difference
between a temporary solution and a lasting one. iVT
By Darren Almond, strategic marketing lead for
electrification, John Deere Power Systems
Power and prowess
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