The Bomag 740052749 Key Block is a genuine OEM component designed for the BM1300/30 and BM1200/30 cold milling machines. Sourced directly from Bomag, this part carries the same specifications as the original, ensuring a direct, compatible fit in your machine. It is confirmed to fit the BM1300/30 and BM1200/30 cold milling machines, making it the correct choice when an exact replacement is required.
Key Features
- Genuine OEM Construction — manufactured to Bomag's original design tolerances, ensuring the Key Block seats and locks with the same precision as the part it replaces
- Direct Replacement Fit — installs into the original mounting position on BM1300/30 and BM1200/30 cold milling machines without reworking or adapting surrounding components
- Confirmed Fitment — verified for the Bomag BM1300/30 and BM1200/30 cold milling machines, covering both models in this milling line
- Secure Drive Transmission — a correctly functioning Key Block maintains the positive mechanical lock between mating shaft components, preventing slip under the high torque loads generated during milling operations
- OEM Part Number Integrity — order with confidence using Bomag part number 740052749, the exact reference carried in the Bomag parts catalog for these machines
A Key Block is a precision-machined locking component used to secure a rotating element — such as a drum drive shaft — to its mating hub or coupling, preventing relative rotation between the two parts. It works in conjunction with a keyway slot, transmitting torque while keeping the assembly properly aligned under load. When a Key Block wears, cracks, or shifts out of position, drive power can no longer be transmitted reliably, leading to slippage, vibration, and accelerated damage to surrounding drivetrain components in the milling machine.
Part Details
| Part Number | 740052749 |
|---|---|
| Brand | Bomag |
| Part Type | Genuine OEM |
| Description | Key Block |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| Cold Milling Machine | BM1300/30 | 00800607 |
| Cold Milling Machine | BM1200/30 | 00800617 |
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.
