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Z-factor Consultation
Jul 1, 20211 min read
Push me, Pull you
Clutch life is tied to wear, so if the clutch is not slipping, it is not wearing. Starting the load in the lowest gear possible is...
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Z-factor Consultation
Jun 23, 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...
63 views0 comments
Z-factor Consultation
Jun 18, 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 16, 20212 min read
Under Pressure...
Charge Air Coolers are used to improve engine efficiency by increasing intake air density from the turbo. This increase of air density...
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Z-factor Consultation
May 10, 20212 min read
What really torques me...
Have you ever looked at a torque curve? Its quite amazing what it tells us about the engine performance. If you have never seen one, here...
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Z-factor Consultation
May 3, 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 25, 20211 min read
Influencing the track….
Axle ratings are posted on the door label. These values represent the maximum capacity for the axle, based upon the lowest rating of the...
6 views0 comments
Z-factor Consultation
Apr 19, 20211 min read
Dip, but hold the chips
Trailer angle dip refers to the point when the trailer top corner hits the top of the sleeper. To assist with envisioning this, think of...
8 views0 comments
Z-factor Consultation
Apr 15, 20211 min read
Avoid sticker shock
It is important to have a sicker in the cab door jamb that indicates this vehicle complies with California and U.S. emissions as opposed...
4 views0 comments
Z-factor Consultation
Apr 13, 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
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...
3 views0 comments
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...
3 views0 comments
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...
5 views0 comments
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...
9 views0 comments
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...
15 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...
20 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...
6 views0 comments
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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