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What are the chances you know ATC on Tridems?
Tridems TRACTORS are STD (since 3/1/97) with 6S/6M but are subject to a fwd drive axle Spin Out/Lack of Lube Failure given ATC (Automatic...
Gary Hey
Jun 192 min read


What are the chances you know Tire Speed?
This Spinning Tire phenomenon occurs with any open axle (no traction control). We called this "The One Wheel Peel" when we were too poor...
Gary Hey
Jun 192 min read


What are the chances you know turning radius - single vs, tandem axle?
This photo is proof. T660 tandem bobtail right side figures. Left w/loaded trailer. The trailer weight moves the C.G bogie back to almost...
Gary Hey
Jun 191 min read


Gary Hey
Jun 190 min read


Do you know 5th wheels? Drawbar pull, is not the same as GCW
Manufacture, model, Fixed, moveable fixed, slide length, +/- forward/rear location, leg height/plate height, handle location/air release,...
Gary Hey
Jun 192 min read


How well do you know Vocational Chassis? Reach out to Zfactor for truck knowledge.
Access our latest visionary program, GURU, cold call specing on your phone. www.zfactorconnect.com . 👍 https://lnkd.in/gKTM79Kd ...
Gary Hey
Jun 161 min read


What are the chances you know RR tracks?
Lowboy, furniture, single/double drop, etc. Crossing a RR track with any low-slung trailer, and some with just a landing gear, especially...
Gary Hey
Jun 162 min read


Specing 4S/4M on 6X4 Tractors or Trucks with ATC, is a mistake, even though all OEM's/Engineering/Suppliers allow it. 4S/4M meets RDS (Reduced Stopping Distance) which is everyone's focus.
ATC (Automatic Traction Control) is the culprit, coupled with driver education. 4S/4M exposes the fwd drive axle to a spinout/lack of...
Gary Hey
Jun 161 min read


Specing 4S/4M on 6X4 Tractors or Trucks with ATC, is a mistake, even though all OEM's/Engineering/Suppliers allow it. 4S/4M meets RDS (Reduced Stopping Distance) which is everyone's focus.
ATC (Automatic Traction Control) is the culprit, coupled with driver education. 4S/4M exposes the fwd drive axle to a spinout/lack of...
Gary Hey
Jun 161 min read


Specing single axle chassis without ATC is a mistake (unless a mechanical locker is spec’d).
ATC (Automatic Traction Control) is an inexpensive way to apply power to the non-spinning outer end to help keep from getting stuck. A...
Gary Hey
Jun 161 min read


Do you know 5th wheels?
Manufacture, model, Fixed, moveable fixed, slide length, +/- forward/rear location, leg height/plate height, handle location/air release,...
Gary Hey
Jun 162 min read


Do you know 5th wheels? This is Drawbar pull, not the same as GCW.
Manufacture, model, Fixed, moveable fixed, slide length, +/- forward/rear location, leg height/plate height, handle location/air release,...
Gary Hey
Jun 162 min read


What are the chances you know how to calculate 5th wheel position depending on the trailer landing gear, drop deck, low boy, etc?
We also have calculators for Bridge Formula and Gearing . Access calculators in Zfactorconnect.com
Gary Hey
Apr 251 min read


What are the chances you know asphalt?
Rear rear brakes. The paver bumps the rear tires to control paving speed, so if the cans extend past the tires, the roller will contact...
Gary Hey
Apr 251 min read


What are the chances you know asphalt?
Rear rear brakes. The paver bumps the rear tires to control paving speed, so if the cans extend past the tires, the roller will contact...
Gary Hey
Apr 251 min read


Are you still spec’ing the old-fashioned way?
Noting responses to a few major topics, so you can generate a Sales Summary on the computer (hopefully that night or the next morning)...
Gary Hey
Apr 251 min read


Are you still spec’ing the old-fashioned way?
Noting responses to a few major topics, so you can generate a Sales Summary on the computer (hopefully that night or the next morning)...
Gary Hey
Apr 251 min read


What are the chances you can run 75 MPH tires with a 20K rating?
If you are not bound by a state tire patch derate, you may look at 315mm tires as an alternative to 425mm. Both tire sizes are often...
Gary Hey
Apr 251 min read


What are the chances you know wheels
Most all 8.25 wheels have a 6.6” offset measured from the mounting flange to the center of the rim. For the best turning radius, spec...
Gary Hey
Apr 251 min read


What are the chances you know pusher/tag wheels/tires? AND eLearning/Guru/Live Training
There is wheel inset, outset, and offset, but to eliminate confusion, I’ll lump them together with offset (measuring from hub mounting...
Gary Hey
Apr 251 min read
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