The Husqvarna 505555102 Engine is a genuine OEM replacement built for the FS6800D floor saw. As the original-specification power unit for this machine, this engine ensures the FS6800D operates exactly as Husqvarna intended — delivering the torque and sustained output required for demanding concrete and asphalt cutting. Cross-reference part number 505555102 against your parts diagram to confirm this is the correct engine assembly for your machine before ordering. DHS Equipment supplies this part to help keep your equipment running at full capacity.
Key Features
- Genuine OEM Power Unit — Sourced directly from Husqvarna, this engine meets the original design specifications for output, displacement, and mounting configuration — not a generic approximation.
- Exact-Match Replacement for the FS6800D — Engineered to drop into the FS6800D floor saw's existing frame and mounting points, preserving correct alignment with the drive system and blade shaft.
- Confirmed FS6800D Floor Saw Fitment — Verified fitment for the Husqvarna FS6800D walk-behind flat saw, eliminating compatibility guesswork on a critical assembly replacement.
- Full Cutting Power Restored — A correctly specified engine delivers the consistent torque the FS6800D needs to maintain blade speed through thick concrete slabs and reinforced surfaces — a worn or failed engine results in loss of cut depth and blade stall.
- Fuel System and Ignition Integrity — As a complete OEM engine assembly, internal fuel delivery, ignition timing, and governor settings are factory-configured, supporting safe and compliant operation of the floor saw.
The engine is the primary power source of the FS6800D floor saw, converting fuel into the rotational force that drives the diamond blade through concrete, asphalt, and masonry. It must deliver steady, high-torque output under continuous load — the demanding conditions typical of flat sawing work. When an engine loses compression, develops fuel delivery problems, or fails entirely, the saw becomes inoperable, making correct engine replacement one of the most critical repairs on this class of equipment.
Part Details
| Part Number | 505555102 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Engine |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Saw | FS6800D |
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.