
LRT-40U Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $59.99 | Condition is Good, Koehring Lorain Division LRT-35U LRT-40U Parts Book Catalog Manual, shipping cost = $10.47 | 100.0% |
![]() | $99.99 | Condition is Good, Koehring Lorain LRT 35U LRT 40U Rough Terrain Hydraulic Crane Parts Book Manual, shipping cost = $10.47 | 100.0% |

The Koehring LRT-40U Lorain Model Employee Manual, Blueprints, and Records set dates back to the years 1972 to 1977. This valuable collection is an essential resource for anyone with an interest in Koehring compressors or those who own or operate one from this era.
The manual itself is a comprehensive guide that covers all aspects of operating and maintaining the LRT-40U compressor. It includes detailed instructions on installation, start-up, and normal operation. The manual also covers troubleshooting common issues and provides information on preventative maintenance procedures. The text is clear and concise, making it easy for users to understand and follow.
The blueprints component of this set provides a visual representation of the various parts and components of the LRT-40U compressor. These blueprints are detailed and precise, allowing users to identify specific parts and understand their functions. They are an invaluable resource for those who need to make repairs or modifications to their compressor.
The records section of the set includes various documents related to the LRT-40U compressor. These records include maintenance logs, operation manuals, and parts lists. They provide a comprehensive history of the compressor and can be useful for those who need to keep track of maintenance and repair work.
The set is bound in a sturdy cover, making it easy to store and transport. The pages are of high quality, ensuring that the information remains legible even after years of use. The set is a must-have for anyone who owns or operates a Koehring LRT-40U compressor from the 1970s. It is also a valuable resource for those in the compressor industry or those who are interested in the history of industrial equipment. Overall, this set is a valuable investment for anyone who requires detailed information about the Koehring LRT-40U compressor from the 1970s.
The Koehring LRT-40U Lorain horizontal boring mill, manufactured between 1972 and 1977, is a heavy-duty machine used for producing precise bore holes in various materials. Here are some pros and cons that may help you in deciding whether to purchase this machine based on its employee manual, blueprints, and records from the 70s:
Pros:1. High Precision: The LRT-40U is known for its accuracy and ability to create precise bore holes, making it suitable for industries that require high tolerances.
2. Durability: Koehring machines are known for their robustness and longevity. Owning a used LRT-40U could be a cost-effective solution for businesses requiring a heavy-duty boring mill.
3. Versatility: This machine can handle a wide range of materials, including cast iron, steel, and alloys, making it a versatile addition to any manufacturing facility.
4. Availability of Spare Parts: Given that Koehring machines have been in use for several decades, spare parts are readily available from various suppliers.
Cons:1. High Maintenance: The LRT-40U is a complex machine that requires regular maintenance to keep it running efficiently. The cost of maintaining this machine could be a significant investment.
2. Operator Skills: Operating a horizontal boring mill like the LRT-40U requires a high level of expertise. Training new operators can be time-consuming and expensive.
3. Energy Consumption: This machine consumes a considerable amount of power, leading to higher energy costs.
4. Size and Weight: The LRT-40U is a large and heavy machine, requiring substantial floor space and a strong foundation to support its weight.
Ending Conclusion:The Koehring LRT-40U Lorain horizontal boring mill is a high-precision, durable, and versatile machine that has been in use for several decades. While it offers numerous benefits, it also presents challenges in terms of maintenance, operator skills, energy consumption, and size.
Recommendation:If your business requires a heavy-duty boring mill and you have the necessary resources to maintain it, the LRT-40U could be an excellent investment. However, it is essential to carefully evaluate the condition of the machine and the associated costs before making a purchase. Alternatively, considering a newer machine with improved energy efficiency and lower maintenance requirements could be a worthwhile consideration.
Details:
To my knowledge this is the only original one available for purchase at time. No tears or holes. The binder is made of a thick coated paperboard. This is a very rare find and are original items given to employees at the Chattanooga tn location from 1972-1977 belonged my father.
There is a request for routing / method change form and several work records. There are also several custom hand drawn blueprints for created parts such as rod steering, plates, and tubes. The binder and the paperwork are all in great condition. This parts book catalog is a valuable resource for those interested in heavy equipment maintenance and repair, particularly owners operators of Koehring lorain.
The product is a vintage Koehring lorain 1972 employee manual with random blueprints for the equipment, specifically years 1972-1977.
specifications heavymanualbooks:
- brand: Koehring
- mpn: Lrt-40u
- model: Lrt-35u, Lrt-40u
- model year: 1976
- type: Parts Book Catalog
- equipment make: Koehring Lorain
- equipment type: Rough Terrain Hydraulic Crane
offer heavymanualbooks:
- availability: in stock
- best offers: true
- in stock #: 2
- prices: $59.99–$99.99
- item condition: Good
- options: ship-to-home
- started: october 2, 2025
- sold #: 14
payments heavymanualbooks:
- credit card: diners-club
- wallet: apple-pay
- other
seller heavymanualbooks:
- rating: 99.6%
- # reviews: 481
- city: cleveland, tennessee
general heavymanualbooks:
- category: Business & Industrial > Equipment, Attachments > Parts Accessories > Heavy Manuals Books
returns heavymanualbooks:
- policy: no returns
shipping heavymanualbooks:
- transit: 5-12 days
- class: standard
- type: calculated
- carrier: usps
- service: usps ground advantage
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