Multiquip 42178-003 Switch Base 10 Term Mom On-Off

The Multiquip 42178-003 Switch Base 10 Term Mom On-Off is a genuine OEM electrical component designed for Whiteman hydrostatic ride-on power trowels, including the HTXG6DF, STXDF, HTX6H, and STX6H. As a direct OEM replacement, this switch base meets the original design specifications used by Multiquip in production, ensuring proper fit within the machine's control system. Sourced directly through authorized Multiquip supply channels, the 42178-003 is the correct part to specify when servicing the operator control panel on these trowel models.

Key Features

• OEM-Matched Electrical Specification — Built to the original terminal count and momentary on-off switching logic required by the Whiteman hydrostatic trowel control circuit, so the switch base performs exactly as the machine was engineered to operate.
• 10-Terminal Configuration — The 10-terminal layout matches the factory wiring harness connection points directly, allowing this switch base to seat and connect without reworking existing wiring.
• Confirmed Fitment for HTX and STX Series — Verified for HTXG6DF, STXDF, HTX6H, and STX6H Whiteman hydrostatic ride-on power trowels, covering both Honda and dual-fuel model variants.
• Momentary On-Off Function Restored — A failed or worn switch base can cause erratic or unresponsive operator controls; replacing with the correct 42178-003 restores the intended momentary switching response at the control panel.
• Operator Control Safety Integrity — On ride-on trowel equipment, correct switch function is directly tied to the operator's ability to manage blade engagement and machine response — using the correct OEM component maintains that control integrity.

The switch base is a core component of the operator control panel on hydrostatic ride-on trowels. It provides the physical and electrical interface for the momentary on-off switching function, routing control signals across its 10 terminals to the machine's electrical system. When a switch base cracks, corrodes, or loses terminal continuity, the operator may experience unresponsive or intermittent control inputs — a condition that warrants immediate replacement with a verified OEM part like the 42178-003.

Part Details

Compatibility & Fitment

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.