Product Description
**Milwaukee parts change not only by model# but also by serial number. To look up your tools parts break down on Milwaukees website please click here:
Milwaukee 1st Intermediate Shaft
Model Number: 36-66-4072
The Milwaukee 36-66-4072 is a genuine OEM 1st Intermediate Shaft for use in compatible Milwaukee tools. The intermediate shaft is a precision machined drivetrain component that sits between the motor's pinion gear and the output spindle in multi-stage gear reduction systems — transmitting rotational torque from the first stage gear set to the next stage of the gearcase. Intermediate shafts carry the meshing gears that step down motor speed and multiply torque across the gear reduction stages, and must withstand significant torsional and radial loads during heavy-duty tool operation. A worn, bent, or damaged intermediate shaft that produces excessive noise, vibration, or loss of drive torque requires replacement to restore smooth, efficient power transmission through the gearcase.
Using a genuine Milwaukee OEM intermediate shaft ensures the correct material specification, gear tooth geometry, bearing journal dimensions, and dimensional tolerances for the gearcase it serves. Non-OEM shafts may not match the original gear mesh specifications, leading to premature wear, noise, or drivetrain failure. Always verify your catalog number and serial number on Milwaukee's website before ordering to confirm this is the correct intermediate shaft for your specific unit.
Features
- Genuine Milwaukee OEM 1st intermediate shaft for compatible Milwaukee tools
- Precision machined drivetrain component transmitting torque through the first gear reduction stage
- Carries meshing gears that step down motor speed and multiply output torque
- Engineered to withstand significant torsional and radial loads during heavy-duty operation
- Verify catalog number and serial number on Milwaukee's website before ordering
Specifications
- Type: Intermediate Shaft — 1st Stage
- Material: Hardened Steel
- Application: Gearcase Gear Reduction Drivetrain
- Compatible Tool Type: Milwaukee Power Tools
Includes
- (1) Milwaukee 36-66-4072 1st Intermediate Shaft
