Allison B300R Transmission

Call 800-621-3914 to order

Remanufactured The Allison B300R Transmission is a 6-speed automatic transmission offering smooth shifting, high torque handling, and fuel efficiency. Designed for medium-duty vehicles in delivery, construction, and service industries, it delivers dependable performance, low maintenance, and reliable PTO capability across demanding work environments.

Allison B300R Transmission – Remanufactured

The Allison B300R Transmission is a high-performance, fully automatic transmission engineered for medium-duty commercial vehicles and vocational applications. Offering a seamless combination of power, reliability, and fuel efficiency, the B300R is an excellent choice for delivery trucks, service vehicles, light-duty construction equipment, and other specialized vehicles. With its rugged design and advanced technology, this transmission ensures smooth shifting and optimal performance under demanding operational conditions.

The B300R is designed to provide superior torque handling, increased fuel efficiency, and long-lasting durability, making it the ideal solution for industries that require dependable transmission systems for both on-road and off-road applications. Whether you’re operating in challenging work environments or on city streets, the B300R transmission ensures your vehicle remains efficient and ready for the task at hand.

  • Smooth Shifting:

    The 6-speed automatic transmission delivers smooth gear changes for improved driver comfort and greater control over the vehicle in diverse operating conditions.

  • Fuel Efficiency:

    The lock-up torque converter and optimized gear ratios are designed to enhance fuel efficiency, reducing operational costs and improving vehicle economy.

  • Durability:

    Built for long-lasting reliability, the B300R can withstand heavy-duty usage in demanding commercial applications, reducing maintenance needs and ensuring optimal performance.

  • Versatile Applications:

    Ideal for a wide range of medium-duty vehicles, the B300R is perfect for industries such as delivery, construction, service, towing, and emergency response vehicles.

  • High Torque Handling:

    With the capability to handle 300 lb-ft of torque, the B300R is designed to power vehicles that require both strong performance and high efficiency.

  • Low Maintenance:

    Designed with reduced maintenance in mind, the B300R lowers downtime and repair costs, increasing vehicle uptime and extending the service life of both the transmission and the vehicle.

Technical Specifications:
  • Transmission Type: 6-speed automatic
  • Torque Converter: Lock-up type for improved fuel efficiency and performance
  • Input Shaft Torque Rating: 300 lb-ft (406 Nm)
  • Maximum Input Speed: 3000 RPM
  • Output Shaft Torque Rating: 300 lb-ft (406 Nm)
  • Gear Ratios: 1st: 5.22, 2nd: 3.12, 3rd: 1.85, 4th: 1.00, 5th: 0.75, 6th: 0.62
  • Weight: Approx. 520 lbs (236 kg)
  • Cooling System: Water-cooled with integrated transmission cooler
  • Applications: Medium-duty trucks, service vehicles, delivery trucks, light-duty construction vehicles, towing vehicles, fire trucks, and more
Weight 500 lbs
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