Coats 4100 Medium-Duty Disc/Drum Lathe

Medium Duty Drum/Disc Brake Lathe

The Model 4100 has the same basic design and features of our best-selling Model 4000, but it also offers additional spindle travel to 9.875" (250.83mm) for machining wider brake assemblies.

This makes it ideal for medium-duty truck service. With the optional outboard support, the Model 4100 will handle truck drums with wheels attached weighing up to 600 lbs.

Rotor Diameter 19.0"
Max. Rotor Face Width 3.75"
Max. Rotor Thickness **4"
Drum Capacity (Diameter) 6"-28"
Flywheel Diameter
Flat or Stepped
*17.5"
Flywheel Face Width 3.75"
Drum, Rotor, Flywheel Max. Weight
A. Standard
B. Heavy Duty Arbor (Part# 3481)
C. With Optional Outboard Support

(Part# 5925)
A. 100 Lbs.
B. 200 Lbs.
C. 600 Lbs.
Spindle Speed 100/200 RPM
Rotor Feed Rate .002"/.010"/REV
Drum Depth Up to 9.875"
Drum Feed Rate 002" to .020"/REV
Motor 1 HP
Shipping Weight 480 Lbs.
Warranty 1 Year
Spindle Bearings Bronze Sleeve
Standard Tool Bits Negative Rake
Arbor Taper Double

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Key Features

• Ideal for medium-duty truck service.

* Patented floating spindle design for more precise cuts.

• Proven features of our Model 4000.