CATEngine Parts

114-1408 Swing Gearbox — Cat 3176C 345B

The Swing Gearbox is a vital component in the excavator's upper structure, enabling controlled rotation of the boom and bucket assembly. Engineered with high-grade materials and precision gearing, it provides smooth, reliable torque transmission superior to a worn or damaged unit. Operators may experience slow, jerky, or noisy swing operation, or a complete loss of swing function when this gearbox fails.

Swing Gearbox – Part No 114-1408 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

WhatsApp for Price & Availability☎ Call Mumbai Office

Parts Trading Company  ·  Mumbai, Est. 1956  ·  Same-day dispatch  ·  Ships worldwide  ·  GST invoice included

PM IST.', };

Related CAT Parts

From the same category — may also be needed

2186822
Engine Parts Component
3443456
Lamp Gp-Hd & Signal Lh
1W9166
Connecting Rod Bushing
6e-2396
Hydraulic Pump Cartridge
7F8294
Camshaft Bushing
127-5830
Hydraulic Final Drive Motor Assy

Browse all CAT Engine Parts →

Ship This Part To Your Location

DubaiSaudi ArabiaNigeriaKenyaSouth AfricaBangladeshMalaysiaGhanaQatarEgypt
India
MaharashtraGujaratTamil NaduRajasthanKarnatakaTelangana

Full shipping information on regional pages · Air freight 2–12 days · GST invoice for India

Installation & Application Notes

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeSwing Gearbox
MaterialHardened steel gears, cast iron housing
ApplicationExcavator swing mechanism
Service LifeReplace based on wear and performance, typically 10,000+ hours
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Early signs of failure include hesitant or jerky swing movements, increased noise during rotation, and potential overheating of the gearbox. If ignored, the gearbox can seize or strip its gears, leading to a complete loss of swing function. This renders the excavator incapable of performing its primary digging and loading tasks.

Installation Tip

Ensure the mounting surfaces on the slew ring and machine frame are perfectly clean and free of debris before installation. Verify proper alignment between the swing motor shaft and the gearbox input shaft to prevent stress.

Service Note

Inspect the swing motor, slew ring bearings, and hydraulic lines for the swing circuit during gearbox replacement.