Fleet Maintenance - 15

"Those features are really important because
you don't want to just make everything wider
and thicker," Mastroianni points out. Doing so
could end up offsetting any weight savings the
6x2 axle provides.
Another feature from Dana is the driver-controlled wheel differential lock.
"This becomes a highly used feature for those
fleets concerned with traction," Mastroianni says.

Link Manufacturing's Hof believes adoption of
the 6x2 axle will increase as fleets come to understand their options. "A liftable pusher axle eliminates many of the downsides of the traditional
tag axle many fleets have come to know," Hof says.
Any kind of significant upward momentum
with fuel prices could also increase demand for
6x2s.

"The only thing I see holding demand back is
suppressed fuel prices," Hof says. "Most trucks
are not maxed out in weight, so they don't need
all axles on the ground at the same time. When
you're often running with less than a full load, a
6x2 with a liftable pusher makes a lot of sense."
For related content go to
VehicleServicePros.com/vehicles.

Maintaining
a 6x2 axle
Hendrickson's Williamson
says servicing the company's
Optimaax liftable pusher axle
is really no different than a
6x4, except for the additional
lift air bags to inspect when
maintaining the tractor.
"As with a 6x4 tractor,
the shocks and air springs
should be checked for leaks,"
Williamson points out. "Also,
it's important to check that
the bolted joints are still at
the proper torque per the OEM
recommended intervals. One
difference is the type of tires
that are used on the Optimaax
axle. Trailer tires should be
used instead of drive axle tires
for optimal savings."
Link Manufacturing's Van
Den Brink says maintenance
is generally simplified with a
6x2 because there are fewer
driveline components.
"One thing to keep in mind
is that a non-drive axle can
be susceptible to brake shoes
freezing or rusting to the drum
since they are not driven all of
the time," Van Den Brink points
out. "Drivers should make sure
the wheel ends rotate during
their pre-trip inspections."

Prospects for
adoption and
growth
The 6x2 axle is still a bit of
a niche product, currently embraced by roughly 5
percent of the long-haul and
line-haul market. Van Den
Brink points to applications
like fuel hauling where the
tanker is often running at halfload and both rear axles are
not always needed. Another
well-suited application is bulk
haulers where an extra 400 lbs
of cargo-carrying capacity can
be a huge help.
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Fleet Maintenance

Table of Contents for the Digital Edition of Fleet Maintenance

Uptime: The responsibilities of being an essential business
How fleets can benefit from today's 6x2 axle configurations
With greater voltage comes greater responsibility
How to manage unanticipated roadside events
Amping up the voltage
Getting the most out of fuel injection systems
Management: Do you sabotage success?
Economic Outlook: Dealing with a natural disaster
Fleet Parts & Components
Tools & Equipment
Classifieds
Guest Editorial: NASTF steps into the world of heavy duty
Tools & Shop Equipment Supplement: Diagnostic Tools
Tools & Shop Equipment Supplement: Power Tools
Tools & Shop Equipment Supplement: Specialty & Hand Tools
Tools & Shop Equipment Supplement: Shop Equipment
Tools & Shop Equipment Supplement: Tool Storage
Fleet Maintenance - 1
Fleet Maintenance - 2
Fleet Maintenance - 3
Fleet Maintenance - 4
Fleet Maintenance - 5
Fleet Maintenance - 6
Fleet Maintenance - 7
Fleet Maintenance - Uptime: The responsibilities of being an essential business
Fleet Maintenance - 9
Fleet Maintenance - How fleets can benefit from today's 6x2 axle configurations
Fleet Maintenance - 11
Fleet Maintenance - 12
Fleet Maintenance - 13
Fleet Maintenance - 14
Fleet Maintenance - 15
Fleet Maintenance - With greater voltage comes greater responsibility
Fleet Maintenance - 17
Fleet Maintenance - 18
Fleet Maintenance - 19
Fleet Maintenance - 20
Fleet Maintenance - 21
Fleet Maintenance - How to manage unanticipated roadside events
Fleet Maintenance - 23
Fleet Maintenance - 24
Fleet Maintenance - 25
Fleet Maintenance - 26
Fleet Maintenance - 27
Fleet Maintenance - 28
Fleet Maintenance - 29
Fleet Maintenance - Amping up the voltage
Fleet Maintenance - 31
Fleet Maintenance - Getting the most out of fuel injection systems
Fleet Maintenance - 33
Fleet Maintenance - 34
Fleet Maintenance - 35
Fleet Maintenance - Management: Do you sabotage success?
Fleet Maintenance - Economic Outlook: Dealing with a natural disaster
Fleet Maintenance - Fleet Parts & Components
Fleet Maintenance - 39
Fleet Maintenance - 40
Fleet Maintenance - 41
Fleet Maintenance - 42
Fleet Maintenance - Tools & Equipment
Fleet Maintenance - 44
Fleet Maintenance - 45
Fleet Maintenance - 46
Fleet Maintenance - 47
Fleet Maintenance - 48
Fleet Maintenance - Classifieds
Fleet Maintenance - Guest Editorial: NASTF steps into the world of heavy duty
Fleet Maintenance - 51
Fleet Maintenance - 52
Fleet Maintenance - S1
Fleet Maintenance - S2
Fleet Maintenance - S3
Fleet Maintenance - S4
Fleet Maintenance - S5
Fleet Maintenance - Tools & Shop Equipment Supplement: Diagnostic Tools
Fleet Maintenance - S7
Fleet Maintenance - S8
Fleet Maintenance - S9
Fleet Maintenance - S10
Fleet Maintenance - S11
Fleet Maintenance - S12
Fleet Maintenance - S13
Fleet Maintenance - S14
Fleet Maintenance - S15
Fleet Maintenance - S16
Fleet Maintenance - S17
Fleet Maintenance - Tools & Shop Equipment Supplement: Power Tools
Fleet Maintenance - S19
Fleet Maintenance - S20
Fleet Maintenance - S21
Fleet Maintenance - Tools & Shop Equipment Supplement: Specialty & Hand Tools
Fleet Maintenance - S23
Fleet Maintenance - S24
Fleet Maintenance - S25
Fleet Maintenance - Tools & Shop Equipment Supplement: Shop Equipment
Fleet Maintenance - S27
Fleet Maintenance - S28
Fleet Maintenance - S29
Fleet Maintenance - Tools & Shop Equipment Supplement: Tool Storage
Fleet Maintenance - S31
Fleet Maintenance - S32
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