Fleet Maintenance - 43
POWERTRAIN
minimize internal friction. High-efficiency axles are
available in a variety of configurations from multiple
axle manufacturers to meet the needs of any specific
applications most efficiently.
Emgard XFE Synthetic rear axle lubricant
The use of Emgard XFE Synthetic rear axle lubricant
can provide up to 0.25 percent better fuel efficiency.
It's available with a range of rear axles and is specifically engineered to minimize
friction within the rear axle.
shallow grade. A feature like this could boost fuel efficiency 0.5 percent or more.
Automated manual transmissions
Automated manual transmissions (AMTs) improve fuel
efficiency by ensuring shifts occur at optimal engine
speeds, thus making every shift the most fuel efficient.
Additionally, the ability to computer-control gear shifts
via an AMT can lengthen clutch life.
Conclusion
With so many fuel-efficient technologies available
today, and more technologies coming, it can be
overwhelming to specify a truck to have the best
productivity and lowest cost per mile for its specific
application. Beginning with a properly specified truck
will make for years of happy driving and improved
total cost of ownership.
6x4 versus 6x2 axle
configuration
In a 6x4 configuration, both
of the tractor's rear axles are
drive axles. A 6x4 configuration is better suited for a
vehicle that needs to deliver
power to more tires in order
to provide better traction. In
a 6x2 configuration, only one
of the two rear axles receives
power. Using a 6x2 configuration can be up to 2 percent
more fuel efficient, and is best
suited for trucks that operate
on paved roads with moderate grades. A 6x2 configuration also has fewer driveline
components, which can reduce
maintenance and increase
vehicle uptime.
Programmable
parameters
When parameters are optimized in a few key areas such
as maximum vehicle acceleration speed and enabled
progressive shift and idle shutdown mode, fleets may experience improved fuel efficiency.
Predictive cruise
control
Predictive cruise control (PCC)
recognizes when the vehicle
should accelerate or decelerate
before grades to avoid downshifts and minimize braking
to maximize fuel efficiency,
so it's most effective when
used on predominantly hilly
terrain. PCC can offer up to 2
percent better fuel efficiency
and can be further utilized to
reduce fuel and diesel exhaust
fluid (DEF) consumption when
programmable parameters are
set to allow for a wider range of
vehicle speed above and below
set speed.
VehicleServicePros.com/10122067
Coast feature
A coasting function is available on many newer engines.
Coasting can save fuel by
shifting the transmission into
neutral when descending a
June 2019 | VehicleServicePros.com
43
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http://www.VehicleServicePros.com/10122067
Fleet Maintenance
Table of Contents for the Digital Edition of Fleet Maintenance
Uptime: Planning for change
Considerations when selecting CMMS software
Vehicles: How fleets can benefit form electric axles
In the Bay: Making the case for retreads
Shop Operations: Predicting the future
Diagnostics: "Smart" technologies will help improve maintenance
Powertrain: Specifying vehicles for optimal fuel economy
Fleet Parts & Components
Tools & Equipment
Classifieds
Guest Editorial: Advancements in new filter media
Fleet Maintenance - 1
Fleet Maintenance - 2
Fleet Maintenance - 3
Fleet Maintenance - 4
Fleet Maintenance - 5
Fleet Maintenance - 6
Fleet Maintenance - 7
Fleet Maintenance - Uptime: Planning for change
Fleet Maintenance - 9
Fleet Maintenance - Considerations when selecting CMMS software
Fleet Maintenance - 11
Fleet Maintenance - 12
Fleet Maintenance - 13
Fleet Maintenance - 14
Fleet Maintenance - 15
Fleet Maintenance - 16
Fleet Maintenance - 17
Fleet Maintenance - 18
Fleet Maintenance - 19
Fleet Maintenance - 20
Fleet Maintenance - 21
Fleet Maintenance - Vehicles: How fleets can benefit form electric axles
Fleet Maintenance - 23
Fleet Maintenance - 24
Fleet Maintenance - 25
Fleet Maintenance - 26
Fleet Maintenance - 27
Fleet Maintenance - In the Bay: Making the case for retreads
Fleet Maintenance - 29
Fleet Maintenance - 30
Fleet Maintenance - 31
Fleet Maintenance - 32
Fleet Maintenance - 33
Fleet Maintenance - Shop Operations: Predicting the future
Fleet Maintenance - 35
Fleet Maintenance - 36
Fleet Maintenance - 37
Fleet Maintenance - 38
Fleet Maintenance - 39
Fleet Maintenance - Diagnostics: "Smart" technologies will help improve maintenance
Fleet Maintenance - 41
Fleet Maintenance - Powertrain: Specifying vehicles for optimal fuel economy
Fleet Maintenance - 43
Fleet Maintenance - Fleet Parts & Components
Fleet Maintenance - 45
Fleet Maintenance - 46
Fleet Maintenance - 47
Fleet Maintenance - Tools & Equipment
Fleet Maintenance - 49
Fleet Maintenance - 50
Fleet Maintenance - 51
Fleet Maintenance - Classifieds
Fleet Maintenance - 53
Fleet Maintenance - Guest Editorial: Advancements in new filter media
Fleet Maintenance - 55
Fleet Maintenance - 56
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