# Rod bearings wbk 6CT 3950661 / 3901430 – new

> WBK connecting rod bearings 3950661 / 3901430 for Cummins 6CT engines – durability, wear resistance and high precision.

- Category: [crankshafts and bearings](https://wibako.com/shop/diesel-engines-parts/crankshafts-and-bearings.md)
- Manufacturer: wbk
- Part number: 3950661 / 3901430
- Stock number: 40151
- Condition: new
- Price: 8.40 EUR gross (6.83 EUR net)
- Availability: in stock

Rod bearings wbk 6CT – new. Fits: Engine Cummins 6CT8.3.

## Specification

- name: Rod bearings
- mark: wbk
- type: 6CT
- part number: 3950661 / 3901430
- condition: new
- material: bearing alloy
- nominal working pressure: high
- operating temperature: up to 200°C
- dimensions: compatible with Cummins 6CT engine

## Description

Connecting rod bearing shells for the Cummins 6CT8.3 engine, part numbers 3950661 and 3901430 (also 77799600), weight 0.22 kg. The rod bearing shell forms the plain bearing between the connecting rod and the crankpin of the crankshaft. The photo shows two grey halves with a smooth inner sliding surface. New part. Before ordering, check the grinding size of the crankpins and compare the part number with the number in your engine documentation.

Fits: Engine Cummins 6CT8.3.

Part number: 3950661 / 3901430. Reference and alternative numbers: 77799600. To be sure the part fits, compare the number on the nameplate or in the catalogue – or send us an enquiry with the part number or the machine (engine) serial number and we will confirm the fit.

Weight: 0.22 kg. Shipping: new parts ordered by 10:00 (CET) are dispatched the same working day, other orders the next working day.

We also carry out [diesel engine overhauls](https://wibako.com/services/overhauls-of-combustion-engines).

## Fits (machines and engines)

- Engine Cummins 6CT8.3

## Reference numbers

3950661 / 3901430, 6CT, 77799600

## Other items

- [Rod bearings STD, 6 cyl. Kolbenschmidt 77799600 – new](https://wibako.com/shop/diesel-engines-parts/crankshafts-and-bearings/39119X47192-rod-bearings-std-6-cyl-kolbenschmidt-77799600.md) – 42.58 EUR
- [Rod bearings KMP 6CT 3950661 / 3901430 – new](https://wibako.com/shop/diesel-engines-parts/crankshafts-and-bearings/28614X35146-rod-bearings-kmp-6ct-3950661-3901430.md) – 5.69 EUR
- [Rod bearings WIBAKO 6CT 3950661 / 3901430 – new](https://wibako.com/shop/diesel-engines-parts/crankshafts-and-bearings/7133X15772-rod-bearings-wibako-6ct-3950661-3901430.md) – 34.16 EUR

## Guides and case studies

- [Cummins 6CT8.3 Engine Overhaul](https://wibako.com/about-us/news/181-cummins-6ct8-3-engine-overhaul.md)
- [Komatsu PC350LC With a Dead Engine. End of the Machine or a Major Repair?](https://wibako.com/about-us/video/840-komatsu-pc350lc-with-a-dead-engine-end-of-the-machine-or-a-major-repair.md)
- [Komatsu PC350LC with a dead engine. Replacement with a re-equipped Cummins QSC8.3](https://wibako.com/about-us/news/841-komatsu-pc350lc-with-a-dead-engine-replacement-with-a-re-equipped-cummins-qsc8-3.md)
- [Repair and Service of the Cummins 6CT8.3 Engine](https://wibako.com/about-us/service/479-repair-and-service-of-the-cummins-6ct8-3-engine.md)

![Photo: Rod bearings wbk 6CT 3950661 / 3901430](https://wibako.com/images/2146825_1759925444756_1000x1000.webp)

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Source: https://wibako.com/shop/diesel-engines-parts/crankshafts-and-bearings/32932X40151-rod-bearings-wbk-6ct-3950661-3901430
Contact: +48338704200, biuro@wibako.pl