The Multiquip 42259 Hydraulic Oil Cooler is a genuine OEM component designed for the HTXG6DF hydrostatic ride-on power trowel. As a direct OEM replacement, this cooler meets the original design specification for the HTXG6DF hydraulic system, ensuring a correct, hassle-free installation. DHS Equipment supplies this part directly as an authorized Multiquip source, so you can be confident you are getting the right component for your machine.
Key Features
- OEM Heat Dissipation Rating — Engineered to the original cooling capacity spec for the HTXG6DF hydraulic circuit, maintaining safe operating temperatures under continuous troweling loads.
- Direct-Mount Replacement — Matches the original mounting points and hydraulic line connections on the HTXG6DF, allowing a straightforward swap with no reworking of fittings or brackets.
- Confirmed HTXG6DF Fitment — Verified for the Whiteman HTXG6DF hydrostatic ride-on power trowel; always cross-reference part number 42259 before ordering.
- Protects Hydraulic Pump and Motor Longevity — A properly functioning oil cooler keeps hydraulic fluid viscosity stable, preventing accelerated wear on the pump, motors, and control valves that drive blade pitch and machine movement.
- Genuine Multiquip OEM Quality — Manufactured to the same material and construction standards as the original unit, ensuring consistent cooling performance across the full duty cycle of the machine.
The hydraulic oil cooler regulates the temperature of the fluid circulating through the trowel's hydrostatic drive system. As the hydraulic pump, blade-pitch motors, and drive motors work under load, they generate heat that is absorbed by the hydraulic fluid. The cooler dissipates that heat before the fluid returns to the reservoir, keeping viscosity within the range needed for precise blade control and smooth machine travel. When the cooler becomes blocked, leaks, or fails, fluid temperatures rise rapidly — leading to sluggish response, accelerated seal degradation, and potential pump or motor damage that is far more costly than the cooler itself.
Part Details
| Part Number | 42259 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Hydraulic Oil Cooler |
Compatibility & Fitment
| Name | Model |
|---|---|
| Whiteman Ride-On Power Trowels | HTXG6DF |
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.