Fuller RT12509

Fuller RT12509 Manual Transmission

The Fuller RT12509 is a heavy-duty transmission built to withstand high-torque demands in commercial trucking. It delivers consistent gear engagement, long-term durability, and is suitable for over-the-road and vocational applications.

Technical Specifications:

• Speeds: 9 to 18 forward depending on model
• Torque Capacity: Up to 2,050 lb-ft
• Type: Manual, Automated Manual, or Overdrive variants
• Applications: Freight hauling, vocational trucks, heavy loads

The RT12509 is part of Eaton’s Fuller lineup, trusted for its rugged construction and ease of maintenance across fleets.