The Bomag 05727101 Diode is a genuine OEM component designed for the BW 120 AD tandem roller. Sourced directly from Bomag, this diode meets the original electrical specifications for which it was designed, ensuring correct current flow and circuit protection in your machine. This is the same part that ships in new Bomag equipment, making it the most dependable replacement option for BW 120 AD tandem rollers.
Key Features
- Genuine OEM Electrical Spec — built to the original forward-voltage and reverse-blocking ratings specified for the BW 120 AD electrical system, so the circuit behaves exactly as designed
- Direct Drop-In Replacement — matches the original mounting configuration and connector interface, allowing straightforward installation without circuit modification
- Confirmed Fitment — verified for the BW 120 AD tandem roller; order with confidence using part number 05727101
- Protects Downstream Components — a correctly functioning diode prevents reverse current from damaging sensitive electrical components, keeping charging and control circuits operating within safe parameters
- Electrical System Integrity — a failed or shorted diode can cause erratic charging behavior, blown fuses, or control system faults; replacing it promptly with an OEM part restores proper circuit function
A diode is a one-way electrical valve — it allows current to flow in a single direction while blocking it in the opposite direction. In compaction equipment like the BW 120 AD tandem roller, diodes are used to protect charging circuits, rectify alternator output, and prevent feedback that could damage control electronics. When a diode fails, the result can range from battery drain and erratic instrument readings to complete electrical system faults that take the machine out of service.
Part Details
| Part Number | 05727101 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Diode |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Tandem Roller | BW 120 AD | 00810019, 00810051 |
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.
