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Jack Schrock’s Blog

Weigh Stations

Oct 2nd, 2015 | By | Category: Jack Schrock's Blog

Here in Texas we have what I call “part time” weigh stations. Also, we have no Port of Entry stations at the state line. But, there are state troopers who travel with portable scales just to keep everybody honest. When driving a HD wrecker demo […]


Sep 25th, 2015 | By | Category: Jack Schrock's Blog

If we knew everything there was to know, we would know “everything” necessary to be be both wise and wealthy. If I we could only look into the future just a few minutes we could always pick the winning horse even before the race was […]

Speed Trap

Sep 18th, 2015 | By | Category: Jack Schrock's Blog

There is a small community not far from my home that has incorporated “ingenuity” in their local traffic control.  This town is on the backroads and has moved their boundaries and speed limits well beyond the town itself.  So I, along with many others, begin […]

Weight and Balance

Sep 4th, 2015 | By | Category: Jack Schrock's Blog

A wrecker equipped with a HD underlift can be compared to a teeter-toter with the pivot point at either (1) the center of the rear axle or (2) the center of the two rear axles or (3) the center of the three rear axles, etc. […]

Afflicted Drivers

Aug 28th, 2015 | By | Category: Jack Schrock's Blog

The other evening we were driving through our neighborhood at the speed limit of 20 mph, which is appropriate given the children at play and golf carts which are now street legal here. Here comes a whiz-bang pickup truck that started tailgating us so close […]

Reasonable Time

Aug 21st, 2015 | By | Category: Jack Schrock's Blog

I once asked an attorney friend to define the term “reasonable time” because it seemed to mean different things to different people. He explained that “waiting a reasonable time” depended entirely on the circumstances. He went on to illustrate by saying that a ten minute […]

Routine Maintenance

Aug 14th, 2015 | By | Category: Jack Schrock's Blog

Wreckers and carriers are often worked harder than a rented mule. They have both moving parts and wear items that need to be inspected and serviced at regular intervals. Take a look at a highway construction project. At the end of every day there is […]


Aug 7th, 2015 | By | Category: Jack Schrock's Blog

On the top corner of my roll-top desk there is a small figurine of Garfield the Cat, sitting in his living room chair with a drink in hand, a bowl of popcorn on his lap and a cushion under his feet. This was a gift […]

Reducing Weight

Jul 24th, 2015 | By | Category: Jack Schrock's Blog

Over the years this writer has spoken of how weight often works against a HD wrecker which must be stretched to maximize performance. This “stretching” adds lots of space so manufacturers gladly install various sized body boxes, some double tunnels being large enough to accommodate […]

Flying Squirrels

Jul 21st, 2015 | By | Category: Jack Schrock's Blog

Now and then we hear about critters that fly through the air without wings. Squirrels, cats, even brave young men jumping from a high cliff. They turn, seem to float and then they all invariably land on something far below their take-off point. These flying […]