| 1.4 KW Type Specifications | Brush Length
| Standard
| 0.610 Inch (in)
|
| | Minimum
| 0.394 Inch (in)
|
| Brush Spring Installed Load
| Standard
| 4.0 - 5.3 Pound-Force (lbf)
|
| | Minimum
| 2.6 Pound-Force (lbf)
|
| Commutator Diameter
| Standard
| 1.181 Inch (in)
|
| | Minimum
| 1.142 Inch (in)
|
| Commutator Undercut Depth
| Standard
| 0.024 Inch (in)
|
| | Minimum
| 0.008 Inch (in)
|
| Commutator Circle Runout
| Maximum
| 0.0020 Inch (in)
|
| Magnetic Switch Contact Plate Wear
| Maximum
| 0.035 Inch (in)
|
| 2.0 KW Type Specifications | Brush Length
| Standard
| 0.591 Inch (in) |
| | Minimum
| 0.354 Inch (in) |
| Brush Spring Installed Load
| Standard
| 4.9 - 6.2 Pound-Force (lbf) |
| | Minimum
| 2.9 Pound-Force (lbf) |
| Commutator Diameter
| Standard
| 1.378 Inch (in) |
| | Minimum
| 1.339 Inch (in) |
| Commutator Undercut Depth
| Standard
| 0.028 Inch (in) |
| | Minimum
| 0.008 Inch (in) |
| Commutator Circle Runout
| Maximum
| 0.0020 Inch (in) |
| Magnetic Switch Contact Plate Wear
| Maximum
| 0.035 Inch (in) |
| Field Frame Shunt Coil Resistance | | 1.5 - 1.9 at 68 Ohms At Degrees Fahrenheit (ohms @ deg F) |