The Allison 4500 Transmission is a high-performance, fully automatic transmission designed for heavy-duty trucks and vocational vehicles that require maximum power, durability, and efficiency. Ideal for industries such as construction, transportation, towing, and emergency services, the Allison 4500 is engineered to handle the toughest applications with ease. This 6-speed automatic transmission ensures smooth shifting, outstanding fuel efficiency, and high torque handling, allowing your fleet to operate at peak performance in the most demanding conditions.

Built with advanced technology and a focus on long-term reliability, the Allison 4500 is the optimal solution for fleets that demand both robust performance and reduced operating costs. Whether you’re hauling heavy loads, navigating rugged terrain, or dealing with complex vocational tasks, the Allison 4500 Transmission is built to get the job done.

Key Features:
  • High Torque Handling: The Allison 4500 is designed to handle up to 4500 lb-ft of torque, providing unmatched power for heavy-duty applications.
  • Fuel Efficiency: Optimized gear ratios and a lock-up torque converter contribute to improved fuel efficiency, making the Allison 4500 a cost-effective choice for long-term operation.
  • Durability: Built to withstand extreme operating conditions, the Allison 4500 is designed for extended service life and reduced downtime.
  • Versatile Applications: Perfect for a wide range of industries, including construction, long-haul transportation, towing, and emergency services, where both performance and durability are critical.
  • Smooth Shifting: The 6-speed automatic transmission ensures smooth and responsive shifting for driver comfort, reducing fatigue during long shifts or in stop-and-go traffic.
Additional Resources:
Technical Specifications:
  • Transmission Type: 6-speed automatic
  • Torque Converter: Lock-up type for enhanced fuel efficiency
  • Input Shaft Torque Rating: 4500 lb-ft (6100 Nm)
  • Maximum Input Speed: 2500 RPM
  • Output Shaft Torque Rating: 4500 lb-ft (6100 Nm)
  • Gear Ratios:
    • 1st Gear: 6.04
    • 2nd Gear: 3.38
    • 3rd Gear: 1.90
    • 4th Gear: 1.00
    • 5th Gear: 0.74
    • 6th Gear: 0.61
  • Weight: Approx. 1,100 lbs (499 kg)
  • Cooling System: Water-cooled with integrated transmission cooler
  • Applications: Heavy-duty trucks, vocational vehicles, construction vehicles, towing trucks, emergency response vehicles, and other demanding applications

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Phone
800-621-3914

We are an Allison Transmission(R) Authorized Dealer. We have Allison factory trained and certified technicians, and an Allison certified customer support staff which is experienced and knowledgeable. All 1K through 4K transmissions are fully remanufactured with 100% genuine Allison components. All 1K and 2K torque converters are replaced with NEW genuine. All valve bodies are fully remanufactured and tested on our state of the art valve body test stand. All friction plates, solenoids, sensors and bearings are automically replaced. All transmissions are fully tested on our dynamometer upon completion. AT, HT, and MT Legacy series transmissions are also available. Hundreds of remanfuctured transmissions in stock and ready for immediate exchange which comes with a 3 year parts and labor warranty.

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Phone
800-621-3914