Texas Final Drive Shop Talk Blog

Dr McCaslin

Dr Mac's Notebook: Basics of Mechanical Stress

by Dr McCaslin | Sep 19, 2022 |

1 Comment

Mechanical stress is behind any of the failures we encounter when inspecting a final drive motor. Sheared fasteners, bent gear teeth, dented roller bearings, and broken races are examples of where stresses have gotten high enough to do permanent damage. To help you learn more about the mechanisms behind this and other types of failure, we'd like to introduce you to a new blog series entitled Dr. Mac's Notebook.

Here are some other Shop Talk Blog posts you might find of interest:

Simple Forces

There are three basic types of forces:

Compressive, which pushes things together
Tensile, which pulls things apart
Shear, which causes things to slide apart

Maintenance of compact equipment and the dangers of harzardous energy

Maintenance and Hazardous Energy

by Dr McCaslin | Jul 28, 2022 |

Skid Steers, Mini-excavators, Heavy Equipment Safety, Maintenance, LOTO

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Crushing accidents don’t just happen when someone gets run over by equipment -- they can also occur when you’re working on your equipment and don’t take hazardous energy into account.

Here are a few other Shop Talk Blog posts you might enjoy:

The Engineering Behind Hydraulic Filters

by Dr McCaslin | Jul 01, 2022 |

Case Drain Filters, Hydraulic Filters, Hydraulic Contamination

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Hydraulic filters are a critical component of any hydraulic system, including your compact equipment. And when they fail, it can be catastrophic for your final drive motor. In this blog post, you will learn about the engineering that goes behind the design and selection of these filters.

Here are a few other Shop Talk Blog posts you might find of interest:

Internal Leakage and Final Drives

by Dr McCaslin | Jun 23, 2022 |

Leaks, weak, Wear, Internal leakage

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When we hear the word “leak” or “leakage” in reference to a final drive motor, our knee-jerk reaction is to assume it's something bad. In a hydraulic system, though, internal leakage is good -- up to a certain point.

Here are some other blog posts you might find interesting:

Advanced Reman and Repair Techniques for Final Drives

by Dr McCaslin | Jun 03, 2022 |

machining, turning, lapping

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In this Shop Talk Blog, we're going to look at some of the techniques we use for rebuilding and repairing final drive motors, including welding and machining.

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

Electric Compact Equipment: What Does it Mean?

by Dr McCaslin | May 20, 2022 |

Mini-excavators, Compact Track Loader, Skid-Steer Loaders, Electric

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When you see a headline about an electric excavator or skid steer loader, what does it mean?

Here are a few other Shop Talk Blog posts you might enjoy:

Fuel Costs and Compact Equipment Maintenance

by Dr McCaslin | Mar 29, 2022 |

Final Drive Maintenance, Maintenance, Efficiency

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Diesel prices have been rising, and while they may seem to be going down a bit, it’s doubtful they’ll drop back down to what they were a year ago. As a result, these prices are impacting your bottom line. And while you don’t control the cost of fuel, you can make some changes that will improve the efficiency of your equipment.

Basics of Synthetic Hydraulic Fluid

by Dr McCaslin | Mar 17, 2022 |

Final Drive Motor Seals, Leaks, hydraulic fluid, hydraulic oil

1 Comment

In our last blog post, we talked about the three different categories of hydraulic fluid: petroleum-based, synthetic, and water-based. Our focus for this post will be an overview of synthetic hydraulic fluid.

Here are the other Shop Talk Blog posts in this series:

3 Basic Types of Hydraulic Fluid

Excavator Dangers on the Worksite

by Dr McCaslin | Feb 14, 2022 |

Excavators, Heavy Equipment Safety, Compact Excavators, OSHA

2 Comments

How dangerous are excavators on the worksite? When used by skilled, alert operators, excavators are safe -- and indispensable. However, accidents do happen and some are a bit more common than others. Oh, and all the data you're about to see came from OSHA.

Here are some additional Shop Talk blog posts you might find interesting:

caterpillar CAT medium excavator final drive

Caterpillar Medium Excavators: Final Drive Failures

by Dr McCaslin | Jan 24, 2022 |

Final Drive, Excavators, CAT Equipment, Gear oil, Hydraulic Contamination

9 Comments

Do you own a CAT 320, 325, 330, or 336? Read on to learn about the most common causes of final drive motor failure on these machines.

Here are a few other Shop Talk Blog posts you might find of interest:

Shop Talk Blog

Dr McCaslin

Recent Posts

Dr Mac's Notebook: Basics of Mechanical Stress

Simple Forces

Maintenance and Hazardous Energy

The Engineering Behind Hydraulic Filters

Internal Leakage and Final Drives

Advanced Reman and Repair Techniques for Final Drives

Electric Compact Equipment: What Does it Mean?

Fuel Costs and Compact Equipment Maintenance

Basics of Synthetic Hydraulic Fluid

Excavator Dangers on the Worksite

Caterpillar Medium Excavators: Final Drive Failures

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