Replacement Bevel Gear for Fulton Jack
Updated 12/22/2025 | Published 10/05/2024 >
Question:
I need to replacement a bewel gear on my boat trailer. According to photo, I believe it may be a Fulton HD25000101 Trailer Tongue Jack Manual Square Sidewind Jack 2500 LBS. What replacement kit do I need?
asked by: Dan
Expert Reply:
Hi Dan; that does look like the Fulton HD25000101. Lining up the ruler with the bevel it looks like it is 1-5/16" wide just like the gear that comes with the # F0933306S00. Take a look at the dimensions for the parts below and see if that all matches up. Assuming it does it is safe to say this is the right kit for you.
Gear Bevel: 5/8" thick x 1-5/16" wide
Pin Spring: 3/4" long x 1/4" thick 0.230
Washer: 1/2" inside dia x 1-1/4" outside dia
Spacer: 1/2" inside dia x.63 outside x 1-1/4" long 1.30
Groove Pin: 3/16.1875 thick x 1 long
Bushing Flanged: 1/2 inside dia x.70 wide x.94 long
Featured Help Information
Miscellaneous Media
Continue Researching
- Search Results: jack gear kit
- Q&A: Replacement Gear Kit For Older Fulton Square Tube Weld On Jack
- Q&A: Replacement Gear Set For Bulldog 190784 5,000LB Trailer Jack
- Q&A: What is the Inner Diameter of Replacement Bearing for Bulldog Square Jacks, # BD001015
- Q&A: Solution for Replacement Gears for Discontinued Atwood Sidewind Jack
- Q&A: Correct Replacement Bevel Gear Set for Fulton Swivel Jacks
- Q&A: Repair Kit for Fulton 1,000 lb Jack
- Shop: Replacement Bearing for etrailer and Ram Square Jacks - 10,000 lbs
- Shop: Replacement Bearing for etrailer and Ram Round, Topwind Jacks - 2,000 lbs and 5,000 lbs
- Shop: Replacement Bevel Gears for HappiJac Truck Camper Jack Systems
- Shop: Replacement Gears for Curt Heavy Duty Direct Weld Square Jack
- Shop: Replacement Bearing for etrailer and Ram Square Jacks - 7,000 lbs
- Shop: Replacement Miter Gear Kit for Dutton-Lainson Trailer Jacks - 1,250 - 2,000 lbs. (1996 and Newer)
- Shop: Replacement Sidewind Gear Kit for etrailer and Ram Square, Direct Weld Jacks - 5,000 or 7,000 lbs
- Q&A: Fulton Jack Replacement Bevel Gear Kit
- Shop: Trailer Hitch
- Article: Trailer Wiring Diagrams
- Search Results: trailer hitch
- Shop: Trailer Wiring
- Article: Brake Controller 7- and 4-Way Installation Kit (ETBC7)
- Search Results: trailer tires and wheels
- Search Results: trailer wiring
- Article: How to Measure for Trailer Hitch Drop
- Shop: Suspension Enhancement
- Shop: Brake Controller
- Article: Wiring Trailer Lights with a 7-Way Plug (It's Easier Than You Think)
- Search Results: trailer jack
- Video: How to Choose a Trailer Brake Controller
- Shop: Base Plate for Tow Bar
- Article: How to Measure Your Trailer Wheel Bolt Pattern



Robin H.
12/22/2025
Hey Dan, did the bevel gear kit end up matching your Fulton trailer jack? Knowing how the fit turned out could help others trying to replace the same part on their boat trailers.