The Bomag 05821277 Regulator Switch is a genuine OEM component designed for Bomag BW-series walk-behind rollers, BPR and BPH reversible vibratory plates, and the BMP 851 trench compactor. As a direct OEM replacement, this switch is produced to Bomag's exact specifications, ensuring a correct, hassle-free installation on every compatible machine. Confirmed fitment includes the BW 65 H, BW 62 H, BW 65 S-2, BW 75 AD-2, BW 75 S-2, BPR 65/52 D-3, BPR 65/70 D, BPR 75/60 D-3, BPR 75/60 HD-3, BPR 100/80 D, BPH 80/65 S, and the BMP 851. Sourcing a genuine OEM part like the 05821277 means you get the same switch that came on your machine originally — no guesswork on compatibility, no adaptation required at the panel.
Key Features
- OEM Electrical Accuracy — manufactured to Bomag's precise switching specifications, ensuring correct actuation, resistance, and output for the regulator circuit on your machine
- Direct Panel Replacement — matches the original connector, mounting footprint, and switching action for a straightforward swap at the operator panel
- Broad Confirmed Fitment — verified for BW 65 H, BW 62 H, BW 65 S-2, BW 75 AD-2, BW 75 S-2 walk-behind rollers; BPR 65/52 D-3, BPR 65/70 D, BPR 75/60 D-3, BPR 75/60 HD-3, BPR 100/80 D, and BPH 80/65 S reversible vibratory plates; and the BMP 851 trench compactor
- Consistent Regulation Control — a functioning regulator switch keeps engine speed or output properly governed; a failed switch can cause erratic machine behavior or prevent the engine from responding to operator input
- Electrical System Integrity — using a genuine OEM switch guards against improper current flow and panel faults that can result from non-spec replacements in the regulator circuit
The regulator switch gives the operator direct control over a regulated function — typically engine throttle or output speed — by completing or interrupting the circuit to the machine's regulator. When the switch wears or fails, the machine may respond inconsistently to operator commands, run at a fixed speed regardless of input, or fail to start the governed function altogether. Replacing a faulty regulator switch with a genuine OEM part restores predictable, responsive control and protects the downstream electrical components it serves.
Part Details
| Part Number | 05821277 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Regulator Switch |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Walk-Behind / Light Roller | BW 65 H | 00816774, 00817558, 00818067, 00818267 |
| Reversible Vibratory Plate | BPR 65/52 D-3 | 00817443 |
| Reversible Vibratory Plate | BPR 75/60 D-3 | 00817445, 00817446, 00818159 |
| Reversible Vibratory Plate | BPR 75/60 HD-3 | 00817447, 00817448, 00818161 |
| Walk-Behind / Light Roller | BW 62 H | 00817557, 00818037, 00818261 |
| Walk-Behind / Light Roller | BW 65 S-2 | 00817560, 00818069 |
| Walk-Behind / Light Roller | BW 75 AD-2 | 00817563 |
| Walk-Behind / Light Roller | BW 75 S-2 | 00817565, 00818077 |
| Reversible Vibratory Plate | BPR 65/70 D | 00817869 |
| Trench Compactor | BMP 851 | 00817959 |
| Reversible Vibratory Plate | BPR 100/80 D | 00817965 |
| Reversible Vibratory Plate | BPH 80/65 S | 00818011 |
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.
