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Z-factor Consultation
Jun 24, 20211 min read
A mounting issue
If specifying steel wheels, on steer, lift and or drive axles, might ask the OEM (Original Equipment Manufacturer) if they have an option...
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Z-factor Consultation
Jun 19, 20212 min read
Something's in the air
If the chassis has an air compressor (air brakes), then a dryer should be specified. FMVSS 136 Phase 1 mandated ESP/ESC starting Aug 2017...
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Z-factor Consultation
May 4, 20211 min read
What's your tolerance...
Every fleet owner is excited about reduced maintenance. A responsible service manager understands that this does not mean you can turn a...
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Z-factor Consultation
Apr 14, 20211 min read
The wheels on the truck go…
Have you seen yellow and red dots on new tires? These dots identify characteristics impacting balance of the tires. Companies which do...
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Z-factor Consultation
Apr 8, 20211 min read
It's in the mix….
Have you always wondered if buying premix 50/50 antifreeze is a good idea as compared to purchasing concentrate and mixing yourself? The...
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Z-factor Consultation
Apr 3, 20212 min read
A word to the fans
Engine fans are key to proper cooling. They work by pulling a tremendous amount of air over the fins in the radiator. Most engines today...
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Z-factor Consultation
Mar 25, 20213 min read
Striking a balance
Most all systems include a pickup tube which pulls fuel from near the bottom of the tank, using a ½” to ¾” line connected through the top...
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Z-factor Consultation
Mar 21, 20212 min read
Dirty is a good thing
Ever dust an engine? Can you over change the element? When is the proper time to replace? Many maintenance facilities change air...
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Z-factor Consultation
Mar 15, 20212 min read
Closing the gap
Trailer gap is measured from the nose of the trailer to the back panel of the sleeper. Sleeper extenders are not a consideration for the...
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Z-factor Consultation
Mar 6, 20212 min read
Brake on through
Most tractors today come equipped with an Automatic Traction Control (ATC) system and the functionality is optional on most all of...
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Z-factor Consultation
Mar 1, 20212 min read
BRAKE IT DOWN…
The Federal Government has required most tractors to have an Antilock Brake System (ABS) since March of 1997. The legislation extended...
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Z-factor Consultation
Feb 25, 20212 min read
Turn! Turn! Turn!
What is the purpose of a lubrication pump in a tandem drive axle set? There is a theory that this pump sends lube to the outer ends, this...
14 views0 comments
Z-factor Consultation
Feb 22, 20212 min read
Drop da tank
FMCSA 49 CFR § 393.67 - Liquid fuel tanks. Fuel tanks, 25 gallons or more, are required to meet FMCSS standards and indicate so on the...
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Z-factor Consultation
Feb 18, 20212 min read
Creepin'.....
These terms refer to the acceptable overload value of the steer, drive axles and respective suspensions temporarily encountered when lift...
19 views0 comments
Z-factor Consultation
Feb 15, 20211 min read
Rockin' but not rollin'
ESC/ESP (Electronic Stability Control/Electronic Stability Program) are essentially the same product, the particular name depends on the...
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Z-factor Consultation
Feb 11, 20212 min read
Here's a plug for…
The SAE J560 (black or green) plug has been used since 1951 to power the trailer functions: Ground, Side Marker Lights, Left Turn, Brake,...
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Z-factor Consultation
Feb 8, 20211 min read
Defeating the design
Winter fronts can increase the aerodynamic characteristics by directing ram air around the hood. Additionally, some of them look great,...
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Z-factor Consultation
Feb 1, 20212 min read
You mean I need to maintain this?
Fuel filter maintenance is more important today, than any time in the past given the common rail design and tight tolerances. See below...
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Z-factor Consultation
Jan 28, 20212 min read
BRRRR.. Truck won't start
In cold weather, there are a number of methods to warm the fuel to help eliminate clouding/gelling. Cloud point refers to the tendency...
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Z-factor Consultation
Jan 25, 20212 min read
Beauty is in the eye of the beholder
Trailer gap was never even a consideration back in the 90’s. As a matter of fact, it was another 10 years beyond that decade when things...
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