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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
30 views0 comments


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...
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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...
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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...
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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
29 views0 comments


Z-factor Consultation
Oct 28, 20201 min read
Fasteners
Fasteners come in all styles. When you are talking about frame mounted components on trucks it is narrowed down to two styles, huck bolts...
15 views0 comments


Z-factor Consultation
Oct 11, 20202 min read
Weight $ense (Cents)
If the objective is merely a haul a few pounds more on each load, then the ROI may not be present.
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Z-factor Consultation
Oct 7, 20202 min read
Trailer swing clearance
Did you ever think that there is more to clear than just the trailer to cab or sleeper?
5 views0 comments


Z-factor Consultation
Sep 20, 20202 min read
Communication not assumptions
Wheelbase… as you read this you re probably thinking: ELEMENTARY, right? Well more than one salesperson has gotten into trouble over this te
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Z-factor Consultation
Sep 16, 20202 min read
Manual transmissions
All of the transmissions can be shifted like the 10-speed, it’s the splitter that adds the extra levels of gearing. And using that spilt is
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Z-factor Consultation
Sep 13, 20201 min read
2-speed rear axles
A 2-speed rear axle can eliminate the need for an auxiliary transmission in some applications. These axles contain gearing for two ranges.
11 views0 comments


Z-factor Consultation
Sep 9, 20202 min read
Tractor axle loading
As the fifth wheel moves weight is transferred between the axles on the power unit, or chassis. Many people do not fully understand this, an
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Z-factor Consultation
Sep 6, 20202 min read
Drivetrain power
Split-shaft PTOs and Transfer Cases both use driveline power to run another piece of equipment. Aside from being located in the drivetrain,
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Z-factor Consultation
Sep 3, 20202 min read
Hendrickson HAULMAAX
HAULMAAX was the evolution of HN that brought lower costs and lighter weight. It also brought the “virtual center point” down.
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Z-factor Consultation
Aug 30, 20202 min read
Torque curve gearing comparison
Have you ever seen a torque curve? They are fascinating (OK, well maybe not to everyone). But it is pretty powerful to be able to see how...
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Z-factor Consultation
Aug 28, 20201 min read
Front spring pins
Front spring pins are available in two styles
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Z-factor Consultation
Aug 24, 20202 min read
140,000 lb. GCWR
If your customer is truly grossing 140,000, without a pusher, ask if they would accept rear axles rated at 40,000 lbs. This may sound counte
4 views0 comments

Z-factor Consultation
Aug 23, 20202 min read
Cookie cutter spec, maybe not
In the product delivery segment vehicles operate mainly on paved surfaces, at highway speeds.
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