Description
When you see that familiar puddle of gear oil under your David Brown tractor, you know it’s time to deal with a leaking axle seal. That dripping isn’t just making a mess—it’s costing you expensive gear oil and leaving your final drive running low on lubrication. This outer half axle seal puts a stop to those leaks and keeps your axle properly sealed so you can get back to work.
What You’re Getting
- Precision-sized at 108mm outer diameter and 82mm inner diameter for an exact fit
- Double-lip design that creates two barriers against oil leaks
- Durable rubber compound that stays flexible in cold weather but won’t break down from gear oil or heat
- Steel reinforcement prevents the seal from distorting under pressure when the tractor sits idle
- Direct replacement that fits like the original—no modifications needed
Built for Real Farm Work
This seal is built for the David Brown tractors that have been the backbone of farming operations for decades. Whether you’re running a 990 for general farm duties, pushing a 1290 through heavy tillage work, or using a 1494 for the demanding jobs, these machines put serious stress on their final drives every day in the field.
Made to Last
Modern seal materials outperform what came on these tractors originally. The rubber compound stays flexible through temperature swings while the garter spring maintains consistent sealing pressure. That steel reinforcement is crucial—it prevents the seal from deforming when gear oil pools against it during long periods of storage.
Installation Notes
Clean that seal housing thoroughly before installation—any dirt or rust will cause the new seal to fail early. Check the axle shaft surface where the seal rides and address any grooves with a repair sleeve if needed. Use a proper seal driver that contacts only the outer edge, and drive it in square to the right depth. When one seal starts leaking, it’s smart to do both sides since the labor is the biggest cost and both seals have the same hours on them.
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