The Allison AT542PTO Transmission is a fully automatic, heavy-duty transmission designed for medium-duty trucks and vocational vehicles that require both exceptional performance and integrated Power Take-Off (PTO) capabilities. This advanced transmission is engineered to deliver reliable power to the vehicle’s drivetrain while also powering critical auxiliary equipment such as hydraulic pumps, generators, and compressors. Whether for construction, delivery, or service vehicles, the AT542PTO is the ideal solution for industries that demand both robust performance and PTO-driven functionality.

Combining smooth shifting, fuel efficiency, and the flexibility to operate auxiliary equipment, the Allison AT542PTO ensures minimal downtime, increased productivity, and reduced maintenance costs, making it a versatile and dependable option for demanding applications.

Key Features:
  • Integrated PTO Functionality: Powers essential auxiliary equipment such as hydraulic pumps, generators, and compressors, providing versatility and increased operational capabilities for various applications.
  • Fuel Efficiency: The lock-up torque converter and optimized gear ratios contribute to improved fuel efficiency, reducing operational costs while delivering strong performance.
  • Durability: Designed to endure harsh conditions, the AT542PTO is built for long-lasting reliability and minimal downtime in demanding vocational and commercial vehicle applications.
  • Smooth Shifting: The 5-speed automatic transmission ensures smooth, responsive shifts, contributing to both driver comfort and vehicle performance.
  • Versatile Applications: Ideal for industries such as construction, service, emergency, and delivery vehicles, where both drivetrain performance and PTO-powered equipment are essential.
  • Low Maintenance: Engineered for reduced maintenance, the AT542PTO minimizes service costs and downtime, enhancing overall fleet uptime and productivity.
Additional Resources:
Technical Specifications:
  • Transmission Type: 5-speed automatic with integrated PTO functionality
  • PTO Capability: Integrated Power Take-Off (PTO) for driving auxiliary equipment (e.g., hydraulic pumps, generators, compressors)
  • Torque Converter: Lock-up type for enhanced fuel efficiency
  • Input Shaft Torque Rating: 542 lb-ft (735 Nm)
  • Maximum Input Speed: 2500 RPM
  • Output Shaft Torque Rating: 542 lb-ft (735 Nm)
  • Gear Ratios:
    • 1st Gear: 5.88
    • 2nd Gear: 3.44
    • 3rd Gear: 2.00
    • 4th Gear: 1.00
    • 5th Gear: 0.72
  • Weight: Approx. 700 lbs (318 kg)
  • Cooling System: Water-cooled with integrated transmission cooler
  • Applications: Medium-duty trucks, service vehicles, delivery trucks, construction vehicles, tow trucks, fire trucks, and other vehicles requiring PTO-driven equipment

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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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