Zumbrota Drivetrain RMTAX15J-1 Manual Transmission

The Zumbrota Drivetrain RMTAX15J-1 is a remanufactured 5-speed manual transmission specifically designed for the Jeep Wrangler models from 1989 to 1991. Built to meet stringent quality standards, this transmission undergoes a comprehensive three-step inspection process to ensure reliability and performance.

Quality Inspection Process

Each RMTAX15J-1 unit is subjected to meticulous inspections throughout the remanufacturing process:

• Pre-Inspection: Identifies case cracks, excessive wear, and OEM-specific issues.
• Component Measurement: All parts are measured to ensure they meet OEM specifications.
• Final Inspection: A thorough post-build check confirms that the unit adheres to Zumbrota's exacting standards.

Performance Testing

Each manual transmission is dyno-tested to evaluate its operational efficiency, shiftability, and noise levels, ensuring that it performs as expected in real-world conditions. Critical components such as shaft straightness, gear wear, and synchronizers are rigorously tested to guarantee they meet OEM specifications.

Specifications

• Case Material: Aluminum
• Integral Bell Housing: No
• Pre-Filled Oil: No
• Transmission Fluid Capacity: 3.4 quarts
• Transmission Fluid Type: SAE 30
• Transmission Speeds: 5 Speed

Warranty

All Zumbrota manual transmissions, including the RMTAX15J-1, come with a 2-year unlimited mileage warranty, providing peace of mind for your investment.

Fitment

• Jeep Wrangler 1989-1991