Shop Talk Blog

The Official Blog for Texas Final Drive

What Is Hydraulic Fluid?

by Dr McCaslin | Sep 20, 2018 |

Hydraulics, hydraulic fluid


Hydraulic fluid, sometimes referred to as hydraulic oil, is the medium used to transmit power in hydraulic systems. It is a complex liquid that has to serve many different purposes and posses many different characteristics. In this Shop Talk Blog post, we are going to discuss the nature of hydraulic fluid, including what it’s made from, what properties it needs to have, and what fundamental properties makes it work so well.

Here are some other Shop Talk Blog posts you might enjoy ...

Are Aftermarket Final Drives a Good Investment?

When you need a final drive, you are looking for a price that can fit your budget -- but you still need a quality drive that will last. There are off brand drives that you can buy that may be cheaper, but is that a good idea? In this Shop Talk Blog post, we’ll talk about whether non-OEM final drive motors are a good investment for your equipment.

Hydraulic Fluid: Just the Facts

Hydraulic fluid is the lifeblood of a hydraulic system, whether that hydraulic system is on a full-size excavator or a small skid steer loader. In this Shop Talk Blog post, we are going to discuss all things hydraulic -- hydraulic fluid, hydraulic contamination, hydraulic flushing, and hydraulic injection.

Why not take a look at these other Shop Talk Blog posts?

Swivel Joint Issues and Travel Motor Symptoms


On excavators, swivel joint problems can cause your travel motors to seem weak or perform unpredictably. If the problem is your swivel joint, then replacing the travel motors won’t help. In this Shop Talk Blog post, we are going to review what a swivel joint does, how it can affect your travel motors, and how to track down the real source of your problem.

Here are a few more Shop Talk Blog posts you might find helpful ...

The LeTourneau L-2350 Monster Loader

by Dr McCaslin | Sep 05, 2018 |

Monster Machines, Front Loader


Imagine a rubber-wheeled front loader that is more than 20 feet high, can lift the equivalent of 30 cars over its head, has a hoist capacity of 80 tons, and has tires that weigh 7 tons. That is an accurate description of the world's biggest front-end loader, the LeTourneau L-2350 -- the topic of this Shop Talk Blog post!

Here are a few more blog posts you might want to take a look at ...

Planetary Gears and Final Drive Motors

Final drive motors are hydraulic motors with a speed reducing, torque multiplying planetary gear set. In this Shop Talk Blog post, we’ll talk about planetary gear sets, the parts that make them up, and how they work.  We'll also look at some examples taken from actual final drives and then discuss how to maintain your gearbox.



Here are a few other blog posts you might enjoy ...

Basics of Grease

by Dr McCaslin | Aug 29, 2018 |

Lubrication, Grease


In this Shop Talk Blog, our focus is going to be on the basics of grease as a lubricant. We’ll try to answer some of the most common questions about grease, such as what it is, what it does, and where it is used. We’ll also talk about shear thinning and whether you can substitute grease for oil.

Here are some additional blog posts you might be interested in ...

Your Worst Nightmare About Final Drive Hydraulic Motors Come to Life

Your mini excavator is the key piece of equipment in a major project with a very fussy client. Everything is going according to schedule, and it looks like there will be no problem in meeting the deadline coming up in just two days. That is, until something whizzes by you while you're inspecting some recent work on site. You rush over there to take a look at what flew by and recognize it as the cover plate off the travel motor on your excavator. Your worst nightmare about final drives and travel motors has just come to life.


Here are a few other posts you might find of interest ...

20 Excavator Terms You Should Know

by Dr McCaslin | Aug 22, 2018 |



Excavators go by quite a few names -- diggers, track hoes, 360s, JCBs, and even rubber ducks. There’s quite a bit of terminology that goes with excavators, too. That’s why we put together this list of 20 common terms related to excavators that everyone in the industry should know.

Here are some other posts you might want to take a look at ...

Why Final Drive Bearings Fail

Bearings are one of those components on your final drive motor that is eventually going to wear out. Sometimes, however, they wear out sooner than they should. In this Shop Talk Blog post, we are going to discuss what contributes to bearing failure and how you can maximize the life of your bearings.

Here are some other blog posts we have that you might find helpful ...

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