1. Car & Truck Manual Transmission Parts Deals
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  3. SPICER ES066-7B

SPICER ES066-7B Eaton Transmission ES56-7B 6/1 140K

Es066-7b Spicer Eaton E 6 1 Transmission L 7 Speed Oem 140k Miles

( Brand: Spicer ), ( Manufacturer Part Number: ES066-7B ), ( Type: Spicer 7 Speed Transmission Gearbox ), ( Ipn: Es56-7b ), ( Manufacturer Warranty: 3 Months ), ( Country/region Of Manufacture: United States )

Review SPICER Eaton 6/1 Transmission Speed Oem 140k Miles

The Spicer ES066-7B Eaton transmission is a heavy-duty component designed for high-performance applications. This transmission is specifically engineered for Eaton UltraSeries Rear Axles, making it an essential upgrade for heavy-duty vehicles, such as construction equipment, agricultural machinery, or industrial vehicles.

The ES066-7B transmission boasts a 140,000 lb-in capacity, which is significantly higher than standard transmissions. This increased capacity allows for greater torque output, enabling the vehicle to handle heavier loads with ease. In addition, it features a robust design with heavy-duty gearing and high-strength materials, ensuring durability and reliability even in the most demanding conditions.

One of the key features of this transmission is its advanced cooling system. The ES066-7B transmission is equipped with a high-capacity oil cooler, which helps maintain optimal operating temperatures, preventing overheating and prolonging the life of the transmission. The cooling system is designed to be easily accessible for servicing, ensuring that regular maintenance is simple and efficient.

Another noteworthy feature is the transmission's compatibility with a range of Eaton rear axle configurations. This allows for flexibility in vehicle design and configuration, making it a versatile choice for various applications. The ES066-7B transmission can be used with both single and tandem rear axles, as well as various gear ratios to suit different driving requirements.

Installation of the ES066-7B transmission is made easy thanks to its modular design. The transmission can be easily integrated with existing vehicle systems, reducing installation time and costs. In addition, the transmission comes with a comprehensive installation guide and technical support is available from Eaton's experienced team of engineers, ensuring a smooth installation process.

Overall, the Spicer ES066-7B Eaton transmission is an ideal choice for heavy-duty vehicles that require high torque capacity and reliability. Its robust design, advanced cooling system, and flexibility in application make it a valuable investment for businesses and organizations that rely on their vehicles for heavy-duty work.

The Spicer ES066-7B Eaton transmission is a popular choice for heavy-duty applications due to its durability and reliability. Here are some pros and cons of buying this transmission with 140,000 miles on it.

Pros:

1. Durability: The Eaton transmission is known for its robust design and ability to handle heavy loads. This makes it a good choice for commercial vehicles that require frequent towing or hauling.

2. Reliability: With proper maintenance, the transmission can last for a long time. A used transmission with 140,000 miles may have some wear and tear, but it can still provide reliable service for many more miles.

3. Availability: The Spicer ES066-7B transmission is widely used in the industry, which means that replacement parts and rebuild kits are readily available. This can save you time and money in the long run.

4. Cost-effective: Buying a used transmission can be more cost-effective than buying a new one. A rebuilt transmission with 140,000 miles may cost less than a new one, especially if you consider the labor and installation costs.

Cons:

1. Unknown history: When buying a used transmission, you may not have access to its full repair history. This can make it difficult to know if there are any hidden issues that could cause problems down the line.

2. Potential for repairs: A used transmission with 140,000 miles may require some repairs or rebuilding to bring it back to good condition. This can add to the cost and time involved in the purchase.

3. Compatibility: It's important to ensure that the used transmission is compatible with your vehicle. This may require some research to determine if the transmission model and year match your vehicle's specifications.

4. Installation: Installing a used transmission can be a complex process that requires specialized tools and expertise. This can add to the cost and time involved in the purchase.

Conclusion:

The Spicer ES066-7B Eaton transmission with 140,000 miles can be a cost-effective and reliable option for heavy-duty applications. However, it's important to consider the potential drawbacks, such as the unknown history and potential for repairs. If you're confident in your ability to source a high-quality used transmission and perform the necessary repairs, it can be a good choice. Alternatively, you may want to consider purchasing a new or rebuilt transmission with a warranty for added peace of mind. Ultimately, the decision depends on your specific needs, budget, and expertise.

Details:

The Eaton Spicer ES066-7B E 6/1 Transmission is a high-quality 7 speed manual transmission gearbox manufactured in the USA by reputable brand. This OEM part comes with a manufacturer warranty of 3 months and has low mileage 140k miles, making it reliable choice for any vehicle in need transmission.

part #: es0667b prices

  • $96.75-$228.79

specifications manutransmission:

  • brand: Spicer
  • mpn: Es066-7b
  • type: Spicer 7 Speed Transmission Gearbox
  • ipn: Es56-7b
  • manufacturer warranty: 3 Months
  • country/region of manufacture: United States

returns manutransmission:

  • time: 14 Days
  • policy: Returns Accepted
  • paid by: Buyer

seller manutransmission:

  • # reviews: 997
  • city: East Berlin, Pennsylvania
  • rating: 94.9%

shipping manutransmission:

  • type: Fixed
  • class: Freight
  • cost: $0.00
  • service: Flat Rate Freight

general manutransmission:

  • Car Truck Parts Accessories > Transmission Drivetrain > Manual Transmission Parts
  • condition: Used

offer manutransmission:

  • availability: In Stock
  • started: August 29, 2025
  • quantity: 1
  • sold: 0
  • options: Ship-to-home

payments manutransmission:

  • wallet: Paypal
  • credit card: Visa
  • other
type: spicer 7 speed transmission gearbox, manufacturer warranty: 3 months, country/region of manufacture: united states,
category: auto parts > car truck parts accessories > transmission drivetrain > manual transmission parts, sku: 7741208427749622,

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