Wacker Neuson 5000173570 Block Heater

The Wacker Neuson Block Heater is a genuine OEM component designed for the HI 770 XHD and HIF 600 series indirect-fired diesel air heaters, including Arctic Bear XHD configurations. As a direct Wacker Neuson OEM part, the is manufactured to the exact specification of the original, ensuring a correct fit across all listed HI 770 XHD variants and the HIF 600 Flameless Air Heater. This block heater is essential cold-weather equipment for any worksite relying on these units to deliver consistent, uninterrupted heat output in extreme low-temperature conditions.

Key Features

• Genuine OEM Thermal Output Match — Built to the precise wattage and voltage spec of the original, so the engine block reaches operating temperature at the correct rate without risk of thermal stress.
• Direct Bolt-In Installation — Engineered as an exact replacement for the factory-installed unit; connects to the existing mounting points and wiring harness on HI 770 XHD and HIF 600 heaters without modification to surrounding components.
• Broad HI Series Fitment — Compatible across multiple HI 770 XHD configurations (1x16, 1x20, 2x12, Extra Heavy Duty variants) and the HIF 600 Flameless Air Heater, covering a wide range of Wacker Neuson indirect air heater fleet units.
• Cold-Start Protection — Keeps the diesel engine block warm during storage or between shifts, enabling reliable ignition in sub-freezing temperatures and preventing the extended cranking and hard-start wear that shortens engine life.
• Fuel System Safety — A correctly functioning block heater reduces the risk of gelled fuel and unburned fuel entering the combustion chamber during cold starts, protecting both the engine and downstream heating components.

A block heater is an electric heating element installed in or around the engine block that warms the coolant and engine internals before startup. On diesel-powered indirect air heaters like the HI 770 XHD, cold ambient temperatures cause engine oil to thicken and fuel to gel, making startup difficult and increasing mechanical wear. By pre-warming the block, this component allows the engine to reach a safe operating temperature quickly, protects internal components from cold-start stress, and ensures the heater unit can begin delivering warm air output without delay. A failed or missing block heater on a diesel indirect heater deployed in winter conditions can result in hard starts, excessive engine wear, or complete failure to ignite.

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.