Quality inspections are conducted 3 times during the remanufacturing process,A pre-inspection is done to ensure the unit is free of case cracks, excessive wear and to catch other OEM related problems that many cores have,A second inspection is conducted during the reman process to ensure all component parts meet OEM specifications,A final post-build inspection is done to ensure unit is built to our strict standards,100% inspection of internal parts, including gear wear checks, mainshaft straightness test and synchronizer testing.,All transmissions are dynometer tested and ran through numerous real life scenarios.

Zumbrota Drivetrain Manual Transmissions are rebuilt to the highest quality standards using a 3 step inspection process. Step 1 is a pre-inspection for case cracks, excessive wear, and OEM specific problems. Step 2 measures component parts to ensure OEM specifications are met. Step 3 ensures each unit is built to our exacting quality standards. Shaft straightness, gear wear & synchronizers are extensively tested to meet OEM specs. Seals are replaced and units are dyno-tested for operation, shiftability, and noise level. Unrivaled standards are set for unit precision and reliability at all critical touchpoints. Then an exclusive hydro-blast rinse & sandblasting procedure on internal and external parts, followed by proprietary shot-enticed deep cleaning, sets the standard for manual transmission remanufacturing. All Zumbrota manual transmissions include a 2 year unlimited mileage warranty.

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