Truck & Off-Highway Engineering - April 2021 - 1

CONTENTS
FEATURES

REGULARS

7 Material selection for battery
enclosures MATERIALS

2 Editorial

Mass reduction is the main reason BEV makers choose aluminum
for battery enclosures, but cost and thermal requirements favor
steel and polymer composites.

12 Startup targets medium-duty EVs
ELECTRIFICATION

Atlis Motors purpose-engineers nearly all the vital components
for an electric pickup and platform capable of spanning several
market segments.

18 High-voltage hybrids POWERTRAIN

FEV engineers evaluate 48V and high-voltage parallel hybrid
architectures for Class 6-7 commercial vehicles. Certain setups
show more promise than others.

24 Hemphill's mission: Support the
innovation ecosystem 2021 SAE PRESIDENT

Schaeffler America CTO Jeff Hemphill brings impressive technical
chops and well-honed communication skills to his new role as 2021
SAE International president.

Highly motivated to lose weight

3 Technical Innovations
3	 Bosch quantifies cost savings for ADASequipped trucks | ADAS | AUTONOMOUS
4	 Achates advances its OP engine on three
fronts | PROPULSION
6	 Perkins expands power range with new
electronic large engines | POWER GENERATION

25 Original Equipment
25	 New Holland extends ag lineup with CH7.70
combine, 'multitasker' tractor
27	 Oshkosh Defense to deliver ICE- and
EV-compatible next-gen mail trucks

30 Product Briefs
SPOTLIGHT: Adhesives & Fasteners
& Electronic Components

32 Q&A
Nick Block outlines alternative-fuel strategy
for John Deere Power Systems

ON THE COVER
The new CH7.70 Crossover Harvesting combine creates a new
segment in New Holland's portfolio and delivers up to 25% higher
throughput than a conventional combine in its class.
(Image: New Holland Agriculture)

follow us @SAEOHEMag

27
Truck & Off-Highway Engineering®, April 2021, Volume 29, Number 2. Truck & Off-Highway
Engineering (ISSN 2475-6148) is published in February, April, June, August, October, December
by Tech Briefs Media Group, An SAE International Company®, 261 Fifth Avenue, Suite 1901, New
York, NY 10016 and printed in Mechanicsburg, PA. Copyright © 2021 SAE International. Annual
print subscription for SAE International members: first subscription, $20 included in dues;
additional single copies, $30 each North America, $35 each overseas. Prices for nonmember
subscriptions are $100 North America, $150 overseas. Periodicals postage paid at New York,
NY and additional mailing offices. POSTMASTER: Please send address changes to Truck &
Off-Highway Engineering, P. O. Box 3525, Northbrook, IL 60062. SAE International is not
responsible for the accuracy of information in the editorial, articles, and advertising sections of
this publication. Readers should independently evaluate the accuracy of any statement in the
editorial, articles, and advertising sections of this publication that are important to him/her and
rely on his/her independent evaluation. For permission to reproduce or use content in other
media, contact copyright@sae.org. To purchase reprints, contact advertising@sae.org. Claims
for missing issues of the magazine must be submitted within a six-month time frame of the
claimed issue's publication date. The Truck & Off-Highway Engineering title is registered in the
U.S. Patent and Trademark Office, and feature articles are indexed and included in the SAE Digital Library. For additional information, free demos are available at www.saedigitallibrary.org.
ISSN 2475-6148 (print)

Audited by

TRUCK & OFF-HIGHWAY ENGINEERING

April 2021 1


https://www.twitter.com/saeohemag https://saemobilus.sae.org/ http://www.sae.org http://www.bpaww.com https://www.signetresearch.com

Truck & Off-Highway Engineering - April 2021

Table of Contents for the Digital Edition of Truck & Off-Highway Engineering - April 2021

Truck & Off-Highway Engineering - April 2021 - CVR4
Truck & Off-Highway Engineering - April 2021 - CVR1
Truck & Off-Highway Engineering - April 2021 - CVR2
Truck & Off-Highway Engineering - April 2021 - 1
Truck & Off-Highway Engineering - April 2021 - 2
Truck & Off-Highway Engineering - April 2021 - 3
Truck & Off-Highway Engineering - April 2021 - 4
Truck & Off-Highway Engineering - April 2021 - 5
Truck & Off-Highway Engineering - April 2021 - 6
Truck & Off-Highway Engineering - April 2021 - 7
Truck & Off-Highway Engineering - April 2021 - 8
Truck & Off-Highway Engineering - April 2021 - 9
Truck & Off-Highway Engineering - April 2021 - 10
Truck & Off-Highway Engineering - April 2021 - 11
Truck & Off-Highway Engineering - April 2021 - 12
Truck & Off-Highway Engineering - April 2021 - 13
Truck & Off-Highway Engineering - April 2021 - 14
Truck & Off-Highway Engineering - April 2021 - 15
Truck & Off-Highway Engineering - April 2021 - 16
Truck & Off-Highway Engineering - April 2021 - 17
Truck & Off-Highway Engineering - April 2021 - 18
Truck & Off-Highway Engineering - April 2021 - 19
Truck & Off-Highway Engineering - April 2021 - 20
Truck & Off-Highway Engineering - April 2021 - 21
Truck & Off-Highway Engineering - April 2021 - 22
Truck & Off-Highway Engineering - April 2021 - 23
Truck & Off-Highway Engineering - April 2021 - 24
Truck & Off-Highway Engineering - April 2021 - 25
Truck & Off-Highway Engineering - April 2021 - 26
Truck & Off-Highway Engineering - April 2021 - 27
Truck & Off-Highway Engineering - April 2021 - 28
Truck & Off-Highway Engineering - April 2021 - 29
Truck & Off-Highway Engineering - April 2021 - 30
Truck & Off-Highway Engineering - April 2021 - 31
Truck & Off-Highway Engineering - April 2021 - 32
Truck & Off-Highway Engineering - April 2021 - CVR3
Truck & Off-Highway Engineering - April 2021 - CVR4
https://www.nxtbook.com/smg/sae/24TOHE04
https://www.nxtbook.com/smg/sae/24TOHE02
https://www.nxtbook.com/smg/sae/23TOHE12
https://www.nxtbook.com/smg/sae/23TOHE10
https://www.nxtbook.com/smg/sae/23TOHE08
https://www.nxtbook.com/smg/sae/23TOHE06
https://www.nxtbook.com/smg/sae/23TOHE04
https://www.nxtbook.com/smg/sae/23TOHE02
https://www.nxtbook.com/smg/sae/22TOHE12
https://www.nxtbook.com/smg/sae/22TOHE10
https://www.nxtbook.com/smg/sae/22TOHE08
https://www.nxtbook.com/smg/sae/22TOHE06
https://www.nxtbook.com/smg/sae/22TOHE04
https://www.nxtbook.com/smg/sae/22TOHE02
https://www.nxtbook.com/smg/sae/21TOHE12
https://www.nxtbook.com/smg/sae/21TOHE10
https://www.nxtbook.com/smg/sae/21TOHE08
https://www.nxtbook.com/smg/sae/21TOHE06
https://www.nxtbook.com/smg/sae/21TOHE04
https://www.nxtbook.com/smg/sae/21TOHE02
https://www.nxtbookmedia.com