The Husqvarna 505855601 GS400 5.5 Honda Engine is a genuine OEM power unit designed for the GS400 construction equipment. As a direct Husqvarna OEM component, this engine assembly is built to the exact specifications required for the GS400, ensuring proper integration with the machine's drivetrain and operational systems. DHS Equipment supplies this part to help keep your equipment running at full capacity with the correct factory-matched power source.
Key Features
- OEM Engine Specification — Sourced directly from Husqvarna as a genuine OEM assembly, this engine meets the exact displacement, output, and mounting specifications engineered for the GS400 platform.
- Honda 5.5 Power Unit — Features the proven Honda 5.5 engine configuration, delivering the consistent power output and fuel efficiency the GS400 is designed to operate with.
- Direct Drop-In Replacement — Engineered to align with the GS400's existing mounting points and interface connections, allowing a straightforward engine swap without custom adaptation.
- Restored Machine Performance — A worn or failed engine undermines the GS400's entire output capability; replacing it with the correct OEM unit restores full operational power and dependability.
- Confirmed GS400 Fitment — Verified for the GS400 construction equipment — cross-reference part number 505855601 against your parts diagram before ordering to confirm compatibility with your unit.
The engine is the core power source of the GS400, converting fuel into the mechanical energy that drives the machine's working functions. When the engine begins to lose compression, runs erratically, or fails entirely, the entire machine is rendered inoperable — making a correct replacement the highest-priority repair. Installing the proper OEM engine assembly ensures all performance parameters, mounting geometry, and operational characteristics remain true to the original design.
Part Details
| Part Number | 505855601 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | GS400 5.5 Honda Engine |
Compatibility & Fitment
| Name | Model |
|---|---|
| Construction Equipment | GS400 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
