Philadelphia Gear

Parts Quote

For a replacement part quote for Philadelphia Gear brand Original Equipment Parts please enter the model number in the box below to see a baloon drawing of your gearbox. If a drawing does not appear, or if you are interested in other proprietary Philadelphia Gear brands, which include Western Gear and WesTech Gear please click here to fill out an online quote request.

A Philadelphia Gear Renewal Parts Specialist will contact you to help proceed with our inquiry.


Model blueprint
Model Notes:
Note: Sizes 375 to 575 inclusive have a solid gear, larger sizes have two-piece gear.

Part # Name # Req‑d  
1 Lower Half Housing
2 Upper Half Housing
3 Helical Gear Casing
4 Casing Cover
5 * Bearing Cap (Thru)
6 ** Bearing Cap (Blind)
7 ** Bearing Plug (Thru)
8 *** Bearing Cap (Blind)
9 *** Bearing Cartridge
10 ** Bearing Cartridge
11 Worm Gear Spider (Size 675-2100)
12 Worm Gear Rim (Size 675-2100)
13 Worm Gear Shaft
14 Worm Shaft
15 Helical Pinion and Shaft
16 Helical Gear
17 *** Spacer
18 ** Spacer
19 Oil Chute
20 ** Bearing Washer
21 *** Bearing
22 *** Bearing
23 * Bearing
24 * Bearing
25 ** Bearing
26 ** Bearing
27 ** Oil Seal
28 * Oil Seal
29 *** Locknut
30 *** Lockwasher
31 *** Locknut
32 *** Lockwasher
33 ** Locknut
34 ** Lockwasher
35 Worm Gear (Size 375-575)

Parts Notes:

Enter the Size/Type or Model No. found
on nameplate, or click GO to view all lists.

Depending on the size and specifications of your machinery, gearbox repairs can vary considerably. While some need replacement bearings, others may require a complete overhaul of the lubrication system. At Philadelphia Gear, we have experience in comprehensive and effective gearbox repair dating back to 1892 and we know what it takes to save you time and money over a new replacement. Not to mention our RapidGear® Emergency Repair Service provides a value add for customers that cannot afford equipment breakdowns or operation downtime. For a complete list of our products and services, contact Philadelphia Gear directly at 1-800-766-5120.

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