Swing Reduction Gear / Swing Reducer (fits CAT)- 1484644
Planetary swing gearbox, fits in Caterpillar (CAT) machines operating in harsh forestry conditions and crawler excavators. This component is a vital part of the upper structure swing system, responsible for transferring lateral and torsional loads typical of work with feller buncher heads and forestry grapples. Thanks to precision-engineered planetary gears, the reducer ensures smooth operation and high durability.
Technical Specification:
- Application: Upper structure swing mechanism (Swing Drive).
- Gear Type: Multi-stage planetary.
- Purpose: Forestry machines (FM), feller bunchers (TK), and crawler excavators.
Machine Compatibility:
| Machine Type | Supported Models |
|---|
| Track Feller Bunchers |
1190, 1190T, 1290T, TK711, TK721, TK722, TK732 |
| Forestry Machines (FM) |
322C FM, 325C FM |
| Crawler Excavators |
322C, 325C, 324D L, 329D L |
Workshop Technical Tip: In forestry machinery, the swing gearbox is particularly exposed to contamination and pressure spikes. When replacing the reducer, always check the oil cleanliness in the swing motor's hydraulic system. It is recommended to use gear oil with high shear resistance (SAE 80W90 LS or according to CAT specifications). Remember to regularly lubricate the swing ring and monitor the play in the drive pinion bearing – excessive play in this area is a primary cause of reducer housing cracks.
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