# Main bearings 0.50, 4 cyl. Kolbenschmidt 77800620 – new

> Kolbenschmidt 0.50 main bearings for Cummins B-Series engines and construction machinery. High durability, wear resistance, and OEM compliance.

- Category: [crankshafts and bearings](https://wibako.com/shop/diesel-engines-parts/crankshafts-and-bearings.md)
- Manufacturer: Kolbenschmidt
- Part number: 77800620
- Stock number: 47865
- Condition: new
- Price: 62.77 EUR gross (51.03 EUR net)
- Availability: in stock

Main bearings 0.50, 4 cyl. Kolbenschmidt – new. Fits: Engine Cummins 4BT3.9, Engine Komatsu SAA4D107E-2.

## Specification

- name: Main bearings 0.50, 4 cyl.
- mark: Kolbenschmidt
- part number: 77800620
- condition: new
- size: +0.50 mm
- material: high-strength bearing alloy
- engine working pressure: up to 400 bar
- operating temperature range: -25°C to +115°C
- set weight: approx. 1.2 kg

## Description

Main bearings 0.50, 4 cyl. Kolbenschmidt – new part offered by WIBAKO.

Fits: Engine Cummins 4BT3.9, Engine Komatsu SAA4D107E-2.

Part number: 77800620. 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: 0.94 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 4BT3.9
- Engine Komatsu SAA4D107E-2 CPL3590

## Reference numbers

77800620

## Guides and case studies

- [Service and Repair of Cummins 4BT3.9 Engine](https://wibako.com/about-us/service/532-service-and-repair-of-cummins-4bt3-9-engine.md)
- [Overhaul of the Cummins 4BT3.9 Engine](https://wibako.com/about-us/news/316-overhaul-of-the-cummins-4bt3-9-engine.md)
- [Cummins 4BT3.9 Engine Overhaul](https://wibako.com/about-us/news/146-cummins-4bt3-9-engine-overhaul.md)

![Photo: Main bearings 0.50, 4 cyl. Kolbenschmidt 77800620](https://wibako.com/images/2141832_1757854607362_1000x1000.webp)

---

Source: https://wibako.com/shop/diesel-engines-parts/crankshafts-and-bearings/39630X47865-main-bearings-0-50-4-cyl-kolbenschmidt-77800620
Contact: +48338704200, biuro@wibako.pl