Truck & Off-Highway Engineering - April 2023 - 32

ORIGINAL
EQUIPMENT
Medium-duty electric trucks dominate at NTEA show
load of the MD Electric is 19,400 lbs.
(8,800 kg).
" The Mack MD Electric joins the full
lineup of Class 6 to 8 vehicles Mack offers
to help customers meet their application
needs, " said Jonathan Randall,
president of Mack Trucks North
America. " Building on the success of
the diesel-powered Mack MD Series, the
Mack MD Electric will help our customers
meet their sustainability goals without
sacrificing the durability, reliability
and total cost of ownership for which
Mack is known. "
Mack states that the MD Electric was
The MD Electric is Mack's first medium-duty electric vehicle and its second EV
overall, following the LR Electric that went into production in December 2021.
Several commercial truck OEMs revealed
new medium-duty EVs at NTEA's 2023
Work Truck Week (WTW) in Indianapolis,
Indiana. Interest in Class 5, 6 and 7 EVs
has ramped up rapidly in recent years,
and many OEMs are rolling out new models
to meet the increased demand.
Mack MD Electric
Mack Trucks unveiled its MD Electric, the
company's first medium-duty electric
vehicle. The MD Electric will be produced
alongside the diesel-powered MD model
sibling at the company's facility in
Roanoke Valley, Virginia, and features a
three-phase permanent magnet synchronous
motor and nickel manganese
cobalt (NMC) oxide lithium-ion batteries
in either a 150-kWh (two-battery) or
240-kWh (three-battery) configuration.
" Mack established itself as an electrification
leader with the heavy-duty
Mack LR Electric refuse vehicle, and
we're excited to add the MD Electric to
our zero-tailpipe emissions lineup, " said
Martin Weissburg, global president of
Mack Trucks. " This is another important
step in our efforts to drive decarbonization
and a more sustainable future, and
we plan to continue investing in technologies
that help improve the environment
and society. "
32 April 2023
The MD Electric is Mack's second EV,
following the LR Electric that went into
production in December 2021 (www.
sae.org/news/2021/12/mack-beginsproduction-of-lr-electric-truck).
The MD
Electric reportedly will be available in
both Class 6 and Class 7 ratings. Mack
states that the Class 6 model has a
GVWR of 25,995 lbs. (11,791 kg) while
the Class 7 model has a GVWR of
33,000 lbs. (14,968 kg). The max paydeveloped
specifically for medium-duty
applications. It is available in 4x2 configurations,
features a regenerative
braking system and can be charged
through AC or DC charging units. The
stated AC charge time at 19.2 kW is listed
at seven hours for two batteries and
11 hours for three batteries. DC fast
charge times at 80 kW are 100 minutes
for two batteries and 160 minutes for
three batteries.
The maximum range for the MD electric
is 140 miles (225 km) for two-battery
models and 230 miles (370 km) for
three-battery configurations. Max system
output is 260 hp (194 kW) and
1,850 lb-ft (2,508 N-m).
Blue Arc's Class 5
EV chassis features
lithium-ion liquid-cooled
battery packs and an
optional 450-watt-hour
integrated solar roof package.
TRUCK & OFF-HIGHWAY ENGINEERING
FROM TOP: MACK TRUCKS; BLUE ARC

http://www.sae.org/news/2021/12/mack-begins-production-of-lr-electric-truck http://www.sae.org/news/2021/12/mack-begins-production-of-lr-electric-truck http://www.sae.org/news/2021/12/mack-begins-production-of-lr-electric-truck

Truck & Off-Highway Engineering - April 2023

Table of Contents for the Digital Edition of Truck & Off-Highway Engineering - April 2023