Description
When your clutch pedal starts feeling spongy or goes straight to the floor with no resistance, you’ve lost the hydraulic pressure that makes clutch operation effortless. The master cylinder converts your foot pedal pressure into hydraulic pressure that operates the clutch. When internal seals fail or the cylinder bore wears, you lose this hydraulic advantage. Without a working master cylinder, shifting becomes a battle and you risk damaging your clutch and transmission.
What You’re Getting
- Precision-manufactured cylinder with 25.4mm piston bore for exact hydraulic pressure delivery
- Quality internal seals that resist brake fluid and maintain proper pressure under repeated cycling
- Robust construction designed to handle the demanding conditions of farm equipment operation
- Direct replacement that restores smooth clutch engagement and complete disengagement
Built for Real Farm Work
This master cylinder fits Deutz Agrostar tractors from the 4.61 through 6.61 models, plus the Agrostar Freisicht series including the 4.68, 4.78, 6.08, 6.28, and 6.38 models. These mid-range Deutz tractors are workhorses for mixed farming operations, handling everything from field cultivation and planting to loader work and hay production where smooth gear changes are essential for productivity.
Made to Last
This master cylinder is manufactured to strict standards using materials that resist corrosion from brake fluid and maintain proper sealing even after thousands of operation cycles. The precision manufacturing ensures consistent hydraulic pressure delivery, which protects your expensive clutch components from damage caused by incomplete disengagement. Quality internal seals prevent the fluid leaks that can lead to clutch failure, while the robust construction handles the pressure spikes that occur during normal operation.
Installation Notes
Installation typically takes 1-2 hours. Use DOT 4 brake and clutch fluid – never mix fluid types or use substitutes. Bench-bleed the new cylinder before installation to remove air and speed up final bleeding. After installation, bleed the entire system thoroughly – air bubbles cause spongy operation and incomplete clutch release. While you’re at it, consider installing repair kit 54545 for future maintenance – having it on the shelf means less downtime when seals eventually need service.
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