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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
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
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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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Z-factor Consultation
Aug 17, 20201 min read
Engine Over-speed Shutdown
A diesel engine’s speed is generally controlled by varying the supply of fuel
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Z-factor Consultation
Aug 16, 20201 min read
Product Snapshots - Steel Wheels and Wheel Stud Length
OEs frequently build vehicles with studs just long enough to support the configuration on order. If you are utilizing the configure to...
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Z-factor Consultation
Aug 12, 20202 min read
Allison Transmissions
Allison transmissions are truly automatic. There is no clutch, a torque converter is used for shifting.
17 views0 comments


Z-factor Consultation
Aug 9, 20201 min read
Calculating Nominal Tire Diameters
High-profile tires use customary units, and the aspect of height to width is fixed at 90%. So the tire distance from ground to rim is .90 of
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Z-factor Consultation
Aug 5, 20201 min read
UltraShift Plus Technology
The transmission is shifted into drive to take off and after that, if you maintain drive, the electronics do all of the shifting based upon
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Z-factor Consultation
Aug 2, 20201 min read
Super 18 or Super Dump
More states than not are regulated at 40-foot overall length, bumper to mudflap on tag. Â This setup optimizes for the maximum weight that ca
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Z-factor Consultation
Jul 30, 20201 min read
ATC and the TC Dash Switch
Automatic Traction Control (ATC) is tied to the Anti-lock Brake System ABS (ABS)
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Z-factor Consultation
Jul 26, 20201 min read
Driving w/o a CDL
Federal Regulations: If you are caught driving a commercial motor vehicle without a CDL, Federal guidelines indicate that you could be fined
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Z-factor Consultation
Jul 24, 20201 min read
Fan hubs
2-speed fan hubs are GREAT for vocational applications. They operate at half speed all the time and kick-up to full speed when extra cooling
9 views0 comments


Z-factor Consultation
Jul 19, 20202 min read
DEF data
Diesel Exhaust Fluid (DEF) is a liquid mix of approximately one-third ammonia (Urea) and de-ionized water.
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Z-factor Consultation
Jul 19, 20201 min read
Product Snapshots - Air Valve Covers
Imagine adding these to every new truck as your sign of appreciation for the sale. Customers will love the thought. Â Contact Gary:...
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Z-factor Consultation
Jul 15, 20201 min read
Battery Life
Most factories have battery charge quality specification for build units
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Z-factor Consultation
Jul 12, 20201 min read
Wide VS standard track steer axle turning
Wide track front axles truly have little effect on the turn radius on a chassis with a setback axle, so save the money.
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Z-factor Consultation
Jul 11, 20201 min read
20K steer w/ multiple pusher chassis
Anytime you specify a 20,000 lb. rated steer axle, and you’re adding lift axles, you need to think about creep rating or site rating.
11 views0 comments


Z-factor Consultation
Jul 5, 20202 min read
Additional Gearing
For vehicles that haul heavy loads there are two considerations for gearing: Startability and top end speed. When the equipment has been del
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Z-factor Consultation
Jul 1, 20202 min read
Unequal Tank Volumes
The return line splitter is typically just an in-line tee. This fitting ensures both tanks receive equal amounts of hot return fuel. There i
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Z-factor Consultation
Jun 30, 20201 min read
July First: Be Nice To The Equipment Day
Our Instagram site has many photos of trucks our followers are proud of. Why not protect those babies with a little TLC.... If you don't...
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