The Bomag 83670144 Key Block is a genuine OEM component designed for Bomag cold milling machines, including the BM1000/30-2, BM1200 30-2, BM1300/30-2, BM 1200/30, and BM 1300/30. Sourced directly from Bomag, this Key Block meets the exact specifications of the original part it replaces. It installs directly into compatible cold milling machines without modification, making it a straightforward, confidence-inspiring replacement for service technicians and equipment managers alike.
Key Features
- Genuine OEM Precision — Manufactured to Bomag's exact dimensional and material tolerances, ensuring the Key Block seats and locks correctly within the milling drum assembly.
- Direct-Fit Replacement — Matches the original mounting geometry of the BM1000/30-2, BM1200 30-2, BM1300 30-2, BM 1200/30, and BM 1300/30 cold milling machines for a straightforward swap.
- Cold Milling Machine Coverage — Confirmed fitment across Bomag's BM1000 and BM1300 series cold milling machines, covering multiple generation variants in the 30-2 and /30 lines.
- Milling Drum Integrity — A correctly fitted Key Block keeps cutting tool holders locked in position, preserving consistent cutting depth and protecting the drum from accelerated wear caused by tool movement.
- Verified Part Number Fit — Order with confidence using Bomag part number 83670144 to ensure you receive the exact block specified for your machine.
The Key Block is a locking component used within the cutting drum assembly of a cold milling machine. It secures the tool holder — also called a tool block or quick-change holder — in its seat on the drum body, preventing rotation or displacement during high-load milling operations. When a Key Block becomes worn, cracked, or loses its locking retention, tool holders can shift under load, leading to uneven cutting, accelerated tool wear, and potential damage to the drum itself. Replacing a worn Key Block promptly keeps the drum assembly running true and extends the service life of surrounding components.
Part Details
| Part Number | 83670144 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Key Block |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Cold Milling Machine | BM1000/30-2 | 00800665 |
| Cold Milling Machine | BM1000 30-2 | 00800667 |
| Cold Milling Machine | BM1200 30-2 | 00800669, 00800671 |
| Cold Milling Machine | BM1300/30-2 | 00800673 |
| Cold Milling Machine | BM1300 30-2 | 00800675 |
| Cold Milling Machine | BM 1200/30 | 00824963 |
| Cold Milling Machine | BM 1300/30 | 00824965, 00825095 |
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.
