Forum Discussion
BarneyS
Jun 20, 2018Explorer III
Blanco,
I drove truck (big rigs)for quite a few years, and drove my 2002 Ford 7.3 PSD
for about 250,000 miles, and my 2016 CTD for 20,000 miles before trading it a few weeks ago.
My experience has been that a diesel does not produce much engine braking because it does not have a way to close off the air intake as a gas engine does. There is a small bit of engine retardation but not enough to hold back a trailer on a long downhill run.
It was also my experience that all the otr trucks I drove had a jake brake or other means of holding the rig back. I added an exhaust brake to my Ford and my Ram had one from the factory.
If you have never driven a diesel pickup then you would be very suprised the first time you tried a downhill run towing a heavy trailer without an exhaust brake. A pickup is not a big rig!
Hope that helps explain my statement.
Barney
I drove truck (big rigs)for quite a few years, and drove my 2002 Ford 7.3 PSD
for about 250,000 miles, and my 2016 CTD for 20,000 miles before trading it a few weeks ago.
My experience has been that a diesel does not produce much engine braking because it does not have a way to close off the air intake as a gas engine does. There is a small bit of engine retardation but not enough to hold back a trailer on a long downhill run.
It was also my experience that all the otr trucks I drove had a jake brake or other means of holding the rig back. I added an exhaust brake to my Ford and my Ram had one from the factory.
If you have never driven a diesel pickup then you would be very suprised the first time you tried a downhill run towing a heavy trailer without an exhaust brake. A pickup is not a big rig!
Hope that helps explain my statement.
Barney
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