The Husqvarna 593377901 Belt Inner S-140 Htc 420 is a genuine OEM drive belt designed for the HTC420 floor grinder. As a factory-sourced component, it is manufactured to the exact profile, length, and tension specification required by the HTC420, ensuring the drive system operates as intended. DHS Equipment supplies this part to help keep your equipment running at full productivity on the job.
Key Features
- OEM-Grade Belt Construction — Manufactured to Husqvarna's exact compound and dimensional spec for the HTC420 drive system, delivering the correct tension profile and flex resistance throughout the belt's service life.
- Correct Profile, Direct Installation — This belt matches the original S-140 cross-section and pitch exactly, fitting straight onto the HTC420 drive pulleys without adjustment or modification.
- HTC420 Floor Grinder Fitment — Engineered specifically for the HTC420 floor grinder, this is the correct inner belt position replacement for that machine's drive configuration.
- Consistent Power Transfer — A properly tensioned inner drive belt maintains efficient power delivery from the motor to the grinding heads, keeping surface preparation output consistent across the working pass.
- Wear Item — Replace on Schedule — Drive belts stretch, crack, and lose tension over time under grinding loads. Replacing this belt at the first signs of slipping or fraying prevents loss of grinding head speed and uneven floor finish.
The inner drive belt on the HTC420 floor grinder transfers rotational power from the motor through the drive system to the planetary grinding heads. When the belt is in good condition, power transfer is smooth and grinding pressure remains consistent across the tool heads. As the belt wears, it begins to slip under load, reducing head speed and causing uneven stock removal — and if it breaks entirely, the machine cannot grind at all. Replacing this belt with the correct genuine OEM part, cross-reference part number 593377901 against your HTC420 parts diagram to confirm position, restores the drive system to full specification and consistent grinding performance.
Part Details
| Part Number | 593377901 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Belt Inner S-140 Htc 420 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Grinder | HTC420 |
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.
