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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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Z-factor Consultation
Jan 21, 20211 min read
Red is for parking...
Red and Blue airlines connect the tractor air brake system to the trailer. Red is emergency brakes and applies system air pressure to the...
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Z-factor Consultation
Jan 18, 20212 min read
Are you gettin' rusty…
Republished due to content error - rail treatments are applied AFTER the holes are punched or drilled to ensure protection inside the...
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Z-factor Consultation
Jan 14, 20211 min read
Where's the torque….
Today’s engines are designed to deliver maximum torque at low RPM. This provides for good fuel economy with proper gearing Torque curves...
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Z-factor Consultation
Jan 11, 20211 min read
Watt do volts mean to amps
Inverters convert 12V Direct Current (aka: battery power) into 120V Alternating Current (aka: 60HZ outlet power) for appliances such as TVs,
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Z-factor Consultation
Jan 7, 20212 min read
Body=Dump Box, Application=?
Vocational Information includes intended service, commodity, and body or trailer type. Why would the OE care, and what do they do with the i
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Z-factor Consultation
Jan 4, 20211 min read
Mixin' it up…
When it comes to rear discharge mixer trucks, they are basically two classifications. Bridge formula and Standard. Each has a unique...
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Z-factor Consultation
Dec 31, 20201 min read
Dry air is happy air
A Air dryers are something we give little thought to until something goes wrong. Most of us understand that dryer sizing is related to...
24 views0 comments
Z-factor Consultation
Dec 28, 20202 min read
Power through it..
Here is a topic of conversation. And when I say conversation, at times more like a heated debate. It could also be phrased as: Which axles d
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Z-factor Consultation
Dec 14, 20202 min read
PTO ABCs
Power Take-Off units, or PTOs, are used to deliver power to auxiliary equipment. Most vocational trucks will utilize one or more of these un
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Z-factor Consultation
Dec 12, 20202 min read
iSCAAN, therefore I am…
A SCAAN is a full analysis of the projected vehicle operation. It is needed to verify that the correct torque converter is selected, and tha
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Z-factor Consultation
Dec 7, 20201 min read
Transmissions and sloooww operation
Typically, a 9ALL transmission is used for pouring curbs, a mixer application. It is the only transmission that is geared low enough to cree
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Z-factor Consultation
Dec 3, 20202 min read
Tow Pins, skip the ticket
Fixed pins are tied in o the front frame structure, and are singular, centered in the bumper. They are typically capable to 80,000 lbs. of
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Z-factor Consultation
Nov 30, 20202 min read
One inch can mean tons
Minimum lift axle spacing can be tricky. Suppliers have become really good at packaging their products so more axles can go under a...
33 views0 comments
Z-factor Consultation
Nov 9, 20202 min read
Traction
Wheel slip occurs when power is routed to any one outer end of drive axles due to an extreme low coefficient of rolling resistance within...
9 views0 comments
Z-factor Consultation
Nov 5, 20201 min read
Stinger Steered Loggers
Stinger-steered log trailers consist of a tractor with a log bunk mounted over the fifth wheel. This log bunk is capable of rotating on...
8 views0 comments
Z-factor Consultation
Nov 2, 20202 min read
Grade and Slope
The grade to slope numbers have been translated for your use below, since they represent such a small area of the ‘protractor’ image. Just b
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