The Allison 4000 Transmission is a highly durable, fully automatic transmission designed for heavy-duty trucks that require exceptional performance, reliability, and power. Built to handle demanding applications such as long-haul trucking, vocational use, construction, and emergency response vehicles, the Allison 4000 offers superior fuel efficiency, seamless shifting, and outstanding torque management. Whether you’re hauling large loads, navigating tough terrains, or dealing with heavy-duty work environments, the Allison 4000 ensures reliable operation and maximum productivity.

Engineered with advanced features and built for tough conditions, the Allison 4000 Transmission is the go-to choice for fleet operators and truck owners who need a transmission that combines efficiency, power, and longevity.

Key Features:
  • High Performance: The Allison 4000 provides smooth shifting and powerful performance, ideal for demanding on-highway and off-highway applications.
  • Fuel Efficiency: The lock-up torque converter and optimized gear ratios help reduce fuel consumption, making the Allison 4000 a cost-effective option for long-term operation.
  • Durability: Designed for tough working environments, this transmission is built to withstand extreme conditions while maintaining long-lasting performance with minimal maintenance.
  • Versatile Applications: Perfect for industries such as transportation, construction, towing, and emergency services, where reliability and performance are critical.
  • Ease of Maintenance: The Allison 4000 is engineered to require less maintenance and has an extended service life, reducing downtime and operating costs.
Additional Resources:
Technical Specifications:
  • Transmission Type: 6-speed automatic
  • Torque Converter: Lock-up type for enhanced fuel efficiency
  • Input Shaft Torque Rating: 4000 lb-ft (5420 Nm)
  • Maximum Input Speed: 2500 RPM
  • Output Shaft Torque Rating: 4000 lb-ft (5420 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. 950 lbs (431 kg)
  • Cooling System: Water-cooled with integrated transmission cooler
  • Applications: Heavy-duty trucks, long-haul trucks, construction vehicles, towing, vocational trucks, emergency response vehicles

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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