may2021 - 13
[ CHASSIS, BODY & CAB ]
I
n the early days of heavy duty commercial trucks,
fleets could choose from a fairly wide variety of
options from different manufacturers to customize a vehicle that suited their needs. The truck
could be fairly complex, but that complexity came
in the form of mechanical components that most
technicians could easily service.
Today's commercial trucks are still available
with a certain level of intricacy on a basic mechanical level, but it is the newer, more advanced technologies that have been developed over the past
decade or two that makes these vehicles truly
complex. Systems that fleets have come to rely
on to make trucks safer, more operationally efficient, and more comfortable than ever are driven
by complex electronics, sensors, and electronic
control units (ECUs) utilizing miles of wiring.
" As the industry has evolved and grown,
customers have become much more sophisticated in thinking about their vehicle as a business
solution and are spec'ing their vehicles based on
their specific application, " said Ryan Major, on
highway marketing manager, Daimler Trucks
North America.
Fleets are also spec'ing trucks with the driver shortage in mind, making them easier and
more comfortable to operate with features such
as advanced driver assistance systems (ADAS),
automated manual transmissions (AMTs), and
more complex infotainment systems.
" You've got computers for collision mitigation,
roll over control, tractor-trailer combinations,
ABS, " said Tim Bauer, vice president aftermarket
North America, Eaton. " Then you've got ECUs that
manage the engine-to-transmission coupling and
transmission of power and the automatic shifting,
so there's another ECU there. "
»(Left) Today's commercial trucks are still
available with a certain level of intricacy on
a basic mechanical level, but it is the newer,
more advanced technologies that have been
developed over the past 10 to 15 years that
makes these vehicles truly complex.
Photo courtesy of Mack Trucks
»As the complexity level of a vehicle increases,
so too does the skill and knowledge necessary
to maintain, diagnose, and repair it.
Photo courtesy of Mack Trucks
May 2021 | FleetMaintenance.com
13
http://www.FleetMaintenance.com
may2021
Table of Contents for the Digital Edition of may2021
Uptime: ADAS service strategies
Editor's Note: Vocational vehicle VMRS
Equipment: Vehicle complexity and its impact on maintenance
In the Bay: Why fleets should bypass the urge to bypass aftertreatment systems
Shop Operations: Considerations for optimal shop efficiency
Under Vehicle: Retreading done right
Body & Cab: Latest developments in electric APUs
Management: The business of parts
Training: Bolstering your technicians
Fleet Part & Components
Tools & Equipment
Classifieds
Guest Editorial: Keeping the lights on
may2021 - 1
may2021 - 2
may2021 - 3
may2021 - 4
may2021 - 5
may2021 - 6
may2021 - 7
may2021 - Uptime: ADAS service strategies
may2021 - 9
may2021 - Editor's Note: Vocational vehicle VMRS
may2021 - B1
may2021 - B2
may2021 - B3
may2021 - B4
may2021 - 11
may2021 - Equipment: Vehicle complexity and its impact on maintenance
may2021 - 13
may2021 - 14
may2021 - 15
may2021 - 16
may2021 - 17
may2021 - In the Bay: Why fleets should bypass the urge to bypass aftertreatment systems
may2021 - 19
may2021 - 20
may2021 - 21
may2021 - 22
may2021 - 23
may2021 - Shop Operations: Considerations for optimal shop efficiency
may2021 - 25
may2021 - 26
may2021 - 27
may2021 - 28
may2021 - 29
may2021 - 30
may2021 - 31
may2021 - Under Vehicle: Retreading done right
may2021 - 33
may2021 - 34
may2021 - 35
may2021 - Body & Cab: Latest developments in electric APUs
may2021 - 37
may2021 - 38
may2021 - 39
may2021 - Management: The business of parts
may2021 - 41
may2021 - Training: Bolstering your technicians
may2021 - Fleet Part & Components
may2021 - Tools & Equipment
may2021 - 45
may2021 - 46
may2021 - 47
may2021 - 48
may2021 - Classifieds
may2021 - Guest Editorial: Keeping the lights on
may2021 - 51
may2021 - 52
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