Kobelco SK60-3, SK120-3, SK200-3 Excavator Cab Door Lock Assembly: Complete Guide and Specifications

12. februar 2026

Pre-shipment Inspection Record: This document details the visual and technical inspection of the Kobelco SK60-3, SK120-3, SK200-3 Excavator Cab Door Lock Assembly: Complete Guide and Specifications. All product photos and testing videos below are original materials captured first-hand by the Koeed technical team in our warehouse prior to dispatch.

Kobelco SK60-3, SK120-3, SK200-3 Cab Door Lock Assembly

Premium OEM-Grade Protection for Excavator Security & Operator Safety

Product Overview & Strategic Importance

In the demanding environment of heavy construction, the Kobelco SK60-3, SK120-3, and SK200-3 cab door lock assembly is not just a hardware component; it is a vital safety asset. This assembly ensures the integrity of the operator's cabin, protecting sophisticated electronic controls and PLC systems from unauthorized access while maintaining a secure working environment in extreme terrains.

Enhanced Safety

Prevents accidental door disengagement during high-vibration excavator operations.

OEM Compatibility

Manufactured to exact Kobelco Mark III dimensions for a seamless "Plug & Play" fit.

Extreme Durability

High-quality metal alloy construction resistant to corrosion and mechanical fatigue.

Visual Inspection & Components

Technical Specifications

Specification	Details
Product Category	Excavator Cab Body Parts
Compatible Series	Kobelco Mark III (SK60-3, SK120-3, SK200-3)
Build Material	Hardened Industrial Metal Alloy
Condition	100% Brand New (High-Quality Aftermarket)
Quality Standard	Meets or exceeds OEM performance benchmarks
Key Inclusions	Lock mechanism, handle set, 2 keys, mounting bolts

Installation Guidelines & Best Practices

Professional Installation Recommended: To ensure the longevity of the locking mechanism, please follow these steps:

Safety Check: Park the excavator on level ground and remove the ignition key.
Removal: Dismantle the old assembly carefully, noting the internal linkage alignment.
Surface Prep: Clean the mounting frame to remove grease and dust accumulation.
Testing: Dry-fit the new assembly to verify bolt alignment before final tightening.
Calibration: Test the handle and key release multiple times to ensure zero-friction operation.

Maintenance Recommendations

To maximize the service life of your new Kobelco door lock:

Periodic Lubrication: Apply a small amount of graphite lubricant to the key cylinder every 500 hours.
Debris Clearing: Keep the latch area free from construction debris and mud.
Alignment Checks: Periodically verify that the cabin door hasn't sagged, which could strain the lock.

Frequently Asked Questions (FAQ)

Is this a genuine OEM Kobelco part?

This is a high-performance aftermarket replacement part. It is designed to the same engineering standards as OEM parts but offered at a more competitive price for global fleet maintenance.

What exactly is included in the assembly kit?

The kit is comprehensive. It includes the lock mechanism, external handle, interior linkage components, mounting hardware, and two precision-cut keys.

How difficult is the installation process?

It is a direct bolt-on replacement. For an experienced heavy machinery mechanic, installation typically takes 30-45 minutes.

Are specialized tools required?

No. Standard mechanical tools (wrenches and screwdrivers) are sufficient for a complete replacement.

What is the expected lifespan in harsh conditions?

With proper cleaning and periodic lubrication, this industrial metal assembly is designed to provide several years of reliable service in mining and construction sites.

Is technical support available for installation?

Yes! Our engineering team provides online technical support to assist with any fitment or operational queries post-purchase.