Bomag 05729973 Governor Controller

The Bomag 05729973 Governor Controller is a genuine OEM component designed for a wide range of Bomag single drum rollers, tandem rollers, and pneumatic tyred rollers, including the BW 211 D-5, BW 213 D-5, BW 190 AD-5, BW 161 AD-5, BW 174 AP-4f, and BW 28 RH. Sourced directly from Bomag, this controller carries the same part number 05729973 used in original production, ensuring a direct, verified replacement with no guesswork on compatibility. This governor controller fits the full range of covered machines — from BW 145 D-5 and BW 177 D-5 single drum rollers through BW 211 and BW 212 series variants to BW 214 D-5 and BW 214 D-4i models — making it the correct choice across multiple generations of Bomag compaction equipment.

Key Features

• Genuine OEM Engine Control Accuracy — sourced directly from Bomag, this governor controller matches the original output signal and control logic specified for these machines, delivering the precise throttle and engine speed regulation the equipment was engineered around
• Direct Plug-In Replacement — uses the same mounting configuration and electrical connections as the original unit, allowing straightforward installation on all covered models without rework or adapters
• Broad Bomag Fleet Coverage — fits single drum rollers including the BW 145 D-5, BW 177 D-5, BW 211 D-5, BW 211 DH-5, BW 211 PD-5, BW 211 PDH-5, BW 212 D-5, BW 212 DH-5, BW 213 D-5, BW 214 D-5, BW 211 D-4i, BW 211 D-50, BW 211 PD-50, BW 213 D-4i, BW 214 D-4i; tandem rollers including the BW 161 AD-5, BW 161 ADO-5, BW 190 AD-5, BW 190 ADO-5, BW 174 AP-4f, and BW 174 AP-4f AM; and the BW 28 RH pneumatic tyred roller
• Engine Speed Stability Under Load — a functioning governor controller maintains consistent engine RPM as compaction load varies, protecting fuel efficiency and drum amplitude performance; a failed unit can cause erratic engine behavior, underpowered operation, or inability to hold set speed
• Fuel System and Engine Safety Compliance — proper engine governing is critical to preventing over-speed and uncontrolled throttle conditions; replacing a faulty controller with a genuine OEM unit restores the safety parameters built into the original engine management system

The governor controller is an electronic or electromechanical component that regulates engine speed by managing fuel delivery or throttle position in response to load changes and operator inputs. On Bomag rollers, it works in conjunction with the engine management system to hold the selected RPM steady whether the drum is running at full vibration amplitude or the machine is traveling on grade. When this component fails or drifts out of calibration, the engine may surge, hunt for speed, lose power under load, or fail to respond correctly to throttle commands — all of which affect compaction output and operator control. Replacing it with the correct OEM part restores the engine's ability to maintain the stable, consistent power output these rollers depend on for effective soil and asphalt compaction.

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.