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Heavy Haul 5th Wheel Considerations
Most heavy haul tractors will have a long 5th wheel slide. The driver needs to move the pin forward to load that front axle to the...

Z-factor Consultation
Jun 28, 20201 min read


ABS/ATC and Off-Road Operation
ATC is a function of the Anti-lock Braking System (ABS). So make certain that if you have tandem drive axle, you are using a 6S/6M setup.

Z-factor Consultation
Jun 24, 20201 min read


California Heavy Haul
The amount of weight allowed with steerable lift axles can be found in a document referred to as “Extra Legal Weight, Charts “Orange, Green

Z-factor Consultation
Jun 21, 20201 min read


Trailer ABS light in dash
This signal is transmitted through the same ignition power (blue wire - pin 7 in trailer connector) used to power trailer ABS. It runs at a

Z-factor Consultation
Jun 17, 20201 min read


Frame Inserts
Inserted frames (also known as liners) are usually required with multiple pushers, and/or long wheelbase vehicles, tied to steer axle...

Z-factor Consultation
Jun 14, 20201 min read


Transfer Dumps
A body builder tried a setup where you set the parking brake while in reverse, and then go to back to push a “deadman” momentary brake relea

Z-factor Consultation
Jun 10, 20201 min read


Purchasing a HP Rating
As a relic of days past, customers frequently will request an engine with a specific HP. As of 2017… be careful. Engine OEs have designed...

Z-factor Consultation
Jun 7, 20201 min read


Unlock your SUPER-POWER
Who is that masked champion with all the confidence? Sales is about more than product, it is about relationships and support for your...

Z-factor Consultation
Jun 7, 20201 min read


Tire Pressure
Tire Pressure is HUGH, especially on steer tires. I am fairly confident outside companies that mount the tires for the factories do not...

Z-factor Consultation
Jun 3, 20201 min read


Allison PTO operation
The 1000/2000 Series transmission utilize a 6-bolt PTO which operates like a PTO on a manual transmission.

Z-factor Consultation
May 31, 20201 min read


5th Wheel Kingpin Rating
To determine if the trailer weight of 250,000 pounds is acceptable, we can look at a couple practical examples to understand how much force

Z-factor Consultation
May 27, 20202 min read


LQ-5 Valve
If you utilize a lift axle, it will be this axle in most cases. Ever since the Reduced Stopping Distance (RSD) testing of 2011, there has be

Z-factor Consultation
May 24, 20201 min read


Natural Gas Vehicle Weight Allowance
For CNG/LNG chassis DOT now allows an additional 2,000 lbs. on the Interstate to account for the fuel tanks. (It also allows the same amoun

Z-factor Consultation
May 20, 20201 min read


Minimum steer axle weight
Placing heavy loads beyond the drive axles removes weight from the steer axle. It takes a decent ground load on the steer axle to keep...

Z-factor Consultation
May 17, 20201 min read


Auto Neutral
Auto Neutral is a feature that ensures the transmission is in neutral when the parking brake is applied.

Z-factor Consultation
May 13, 20201 min read


Special Limited Time Offer
All new Crusader or Maven members will receive a Truckin' Across America sticker in the mail, with paid subscription by June 14th, 2020.

Z-factor Consultation
May 12, 20201 min read


Antilock Brake System (ABS) Sensor
If the ABS light is illuminated on the dash (and you have ruled out a blown fuse), correction could be as easy as pushing the sensor outboar

Z-factor Consultation
May 10, 20201 min read


Tractor Weight Distribution
Don't go thinkin' that weight distribution is a concern only for trucks with bodies. You semi-tractor operators needs to understand why...

Z-factor Consultation
May 7, 20201 min read


Turning Radius with 20,000 lb. front axles
Review the chart to see where the common configurations fall. 102 inches is the legal maximum width for State and Federal roadways....

Z-factor Consultation
May 6, 20201 min read


Guidelines from Dana with wide base tires
If you're thinking of using 'super singles' or wide base tires on your drive axles please note that some axle manufacturers will reduce...

Z-factor Consultation
May 3, 20201 min read
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