The Multiquip 25951 Engine Honda 20HP GX620RTXF2 is a genuine OEM powerplant designed for GX620 series equipment. This is a direct Honda-sourced engine assembly supplied through Multiquip's authorized OEM parts channel, ensuring you receive the correct specification unit for your machine. As a complete engine replacement, 25951 restores full power output and operational capacity to equipment fitted with the GX620 platform.
Key Features
- Genuine Honda OEM Engine Assembly — Sourced directly through Multiquip's authorized supply chain, this is the same Honda GX620RTXF2 unit built into GX620 series equipment at the factory — not a substitute or generic engine.
- 20HP V-Twin Output — Delivers the full 20 horsepower rating of the GX620 platform, restoring the power band and torque characteristics the host machine was engineered around.
- Direct Drop-In Fitment for GX620 Equipment — Matches the mounting configuration, shaft dimensions, and ancillary connection points of the original engine, allowing straightforward installation without custom fabrication.
- Complete Engine Unit — Supplied as a full engine assembly, eliminating the need to source and match individual components — ideal for catastrophic engine failure or scheduled long-cycle overhaul.
- Fuel System Integrity — The GX620RTXF2 variant includes Honda's diaphragm-style fuel delivery configuration, maintaining correct fuel metering critical to consistent starts and sustained operation under load.
The Honda GX620RTXF2 is a 20-horsepower V-twin four-stroke gasoline engine widely used across heavy-duty construction equipment applications requiring sustained high-output power. It provides the rotational energy that drives the host machine's core operating systems — whether hydraulic, mechanical, or vibratory — and its condition directly determines the machine's ability to perform at rated capacity. When the engine loses compression, burns oil, seizes, or fails to start reliably, the only path to restoring full machine performance is a properly matched replacement engine assembly. Using the correct OEM-specified unit, identified by part number 25951, ensures the replacement engine meets the original performance and emissions specifications of the GX620 series equipment it powers.
Part Details
| Part Number | 25951 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Engine Honda 20HP GX620RTXF2 |
Compatibility & Fitment
| Name | Model |
|---|---|
| GX620 | GX620 |
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.