Allison M8610A

The Allison M8610A is a high-capacity, fully automatic transmission designed for the most extreme heavy-duty and off-highway applications. As part of the elite Allison 8000 Series, the M8610A is built to support ultra-high torque demands and gross vehicle weights exceeding 150,000 lbs, making it ideal for military transporters, oil field rigs, specialized haul trucks, and severe industrial applications. Engineered with six forward speeds and one reverse, the M8610A features a robust planetary gear set, a lock-up torque converter, and proprietary Allison electronic controls for precision shift management under immense loads. Its architecture provides consistent performance in hostile terrain and severe operational conditions, with enhanced thermal capacity, integrated diagnostic support, and adaptable control programming. The M8610A is trusted globally for its exceptional durability, reliability, and powertrain efficiency in the world’s toughest environments.

Advantages of the M8610A Transmission

• Handles extreme torque and GVWR applications with ease
• Superior thermal performance in demanding operating environments
• Fully automatic shifting enhances operator efficiency and safety
• Long service intervals and low maintenance requirements
• Trusted in global defense, oil & gas, and ultra-heavy vocational markets

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Technical Specifications:

• Model: M8610A
• Series: Allison 8000 Series
• Type: Fully automatic planetary transmission
• Number of Speeds: 6 forward, 1 reverse
• Torque Converter: Integral with lock-up clutch for enhanced fuel economy and reduced driveline shock
• Maximum Input Torque: Up to 2,100 lb-ft (2,847 Nm)
• Gross Vehicle Weight Rating (GVWR): Over 150,000 lbs (68,000+ kg), depending on configuration
• Applications:
  • Military tank transporters and tactical heavy haulers
  • Oil field rigs and winch trucks
  • Ultra-heavy construction or mining vehicles
  • Specialized multi-axle trailers
• Input Speed: Up to 3,300 RPM
• Cooling Requirements: High-capacity external oil cooler essential
• Lubrication System: Full-pressure lubrication with high-efficiency internal filtration
• Oil Specification: Allison TES-295 or TES-668 certified synthetic ATF
• Mounting Configuration: SAE #1 bell housing (standard)
• PTO Capability: Yes — optional side and/or rear mount provisions available
• Diagnostics & Controls:
  • Allison DOC® diagnostic software compatible
  • Electronic Control Module (ECM) with adaptive shift strategies
  • Integrated prognostics for clutch health, fluid life, and filter condition
• Weight (Dry): Approx. 1,450–1,600 lbs (658–726 kg), depending on options
• Additional Features:
  • Built-in shift inhibition and safety interlocks
  • Programmable shift schedules for mission-specific profiles
  • High-output driveline flange options
  • Rugged construction for continuous severe-duty use