
30125 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $29.99 | Condition is Very Good, Vintage 1950 CAT Caterpillar No. 41 HYDRAULIC CONTROL Parts Catalog Form 30125, FREE SHIPPING | 100.0% |
| photo | price | summary | rating |
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![]() | $11.73 | Top Pick! Condition is New, Cat Diamond Painting Kits for Adults Beginners-Animal Diamond Art Kit 14x14inch, FREE SHIPPING | 99.7% |
![]() | $16.18 | Top Pick! Condition is New, Cat Diamond Painting Kits for Adults Beginners-Animal Diamond Art Kit B30125, FREE SHIPPING | 99.2% |
![]() | $16.87 | Condition is New, C2G 1ft Cat6a Snagless Unshielded UTP Slim Ethernet Patch Cable Blue C2G30125, FREE SHIPPING | 97.9% |
| photo | price | summary | rating |
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![]() | $15.19 | Top Pick! Condition is , M30125 FranceAntarctic Terr 2000 Bird Database X3 UMM Sg431/3 cat 19.50, shipping cost = $1.75 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $54.89 | Condition is Neu, FRONT BEARING All Balls Arctic Cat Prowler 700 XT 2013 25-1496-HP#301, shipping cost = $24.41 | 97.3% |

Caterpillar 1950 Cat 30125 Hydraulic Control Catalog for Caterpillar 41 Series Bulldozers
The Cat 30125 hydraulic control catalog is a comprehensive resource for operators and maintenance personnel of the Caterpillar 41 series bulldozers manufactured in 1950. This catalog offers detailed information on the various hydraulic components and controls that power these vintage machines.
The hydraulic system in the 1950 Caterpillar 41 bulldozers is a vital part of the machine's functionality. This system allows the operator to control the blade, ripper, and other attachments through the use of hydraulic cylinders and valves. The 30125 catalog meticulously details each component, including their functions, dimensions, and recommended replacement parts.
The hydraulic control valves section of the catalog covers the different types of valves used in the system, such as directional control valves, load-sensing control valves, and pressure control valves. These valves allow the operator to control the flow and pressure of hydraulic fluid to various components, ensuring precise and efficient operation.
The catalog also includes detailed illustrations and diagrams of the hydraulic lines and hoses used in the system. These diagrams show the routing of the lines and hoses between various components, making it easier for maintenance personnel to identify potential leaks or damage. Additionally, the catalog provides information on hydraulic fittings, hose sizes, and recommended replacement parts.
Furthermore, the 30125 catalog includes hydraulic cylinder information, such as stroke length, bore diameter, and recommended seals and piston rings. This information is essential for maintaining the hydraulic cylinders, ensuring that they continue to function properly and efficiently.
Lastly, the catalog provides information on various hydraulic pumps and motors used in the 1950 Caterpillar 41 bulldozers. This includes details on their specifications, applications, and recommended replacement parts.
In conclusion, the Cat 30125 hydraulic control catalog is an indispensable resource for anyone working on or operating a 1950 Caterpillar 41 series bulldozer. Its detailed information on hydraulic components, controls, and replacement parts ensures that maintenance and repairs can be carried out efficiently and effectively.
The Caterpillar 41 hydraulic control system for the Cat 30125 backhoe, produced in 1950, is an essential component for operating the backhoe effectively. Here are some pros and cons related to buying this specific hydraulic control system:
Pros:1. Authenticity and Historical Value: Owning an original 1950 hydraulic control system adds historical value to your backhoe. It retains the original look and feel of the machine, making it a collector's item.
2. Functionality: Since this is the original hydraulic control system for the Cat 30125 backhoe, it is designed to work seamlessly with the machine. This ensures optimal performance and efficiency.
3. Availability of Spare Parts: Caterpillar is known for its long-term support of its products. You may be able to find spare parts for the hydraulic control system, allowing you to keep it in working order.
Cons:1. Cost: Original hydraulic control systems, especially those that are over 70 years old, can be quite expensive. The cost of acquiring one might outweigh the benefits, depending on your budget.
2. Maintenance and Repair: Older hydraulic control systems may require more frequent maintenance and repairs due to their age and potential wear and tear. This can lead to additional costs and time spent.
3. Compatibility with Modern Equipment: If you plan on using the backhoe for modern construction projects, the original hydraulic control system might not be compatible with the latest tools and attachments. This could limit the versatility of the machine.
Ending Conclusion:Buying a Caterpillar 41 hydraulic control system for a 1950 Cat 30125 backhoe can be an exciting addition for collectors or those who value historical accuracy. However, it is essential to consider the associated costs, compatibility with modern equipment, and potential maintenance requirements before making a purchase. If you plan on using the backhoe for heavy-duty construction projects, you might want to consider a more modern hydraulic control system. Ultimately, the decision depends on your specific needs, budget, and attachment requirements.
Recommendation:If you are an enthusiast or collector, and the historical value and functionality of the original hydraulic control system for your 1950 Cat 30125 backhoe are your priority, then pursuing an authentic system would be a recommended choice. However, if you plan on using the backhoe for modern construction projects, and compatibility with modern attachments and tools is essential, it might be more practical to invest in a modern hydraulic control system. Weigh your priorities, consider your budget, and make an informed decision based on your unique circumstances.
Details:
Vintage 1950 Cat Caterpillar no. 41 hydraulic control parts Catalog form 30125. Item is in very good condition.
specifications heavymanualbooks:
- brand: Cat
- mpn: 30125
- part type: Control
- model year: 1950
- compatible equipment type: Hydraulic Control
- compatible equipment make: Caterpillar
- equipment type: Hydraulic Controls
- country of origin: United States
seller heavymanualbooks:
- # reviews: 5637
- rating: 100.0%
- city: bowling green, ohio
payments heavymanualbooks:
- credit card: discover
- wallet: paypal
- other
shipping heavymanualbooks:
- carrier: usps
- class: economy
- service: usps media mail
- transit: 3-8 days
- type: calculated
general heavymanualbooks:
- category: Business & Industrial > Equipment, Attachments > Parts Accessories > Heavy Manuals Books
offer heavymanualbooks:
- sold #: 5
- availability: in stock
- options: ship-to-home
- best offers: true
- started: april 21, 2026
- in stock #: 5
- prices: $11.73–$54.89
- item condition:
- Very Good
- New
- Neu
returns heavymanualbooks:
- paid by: buyer
- time: 30 days
- policy: returns accepted
- method: money back
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