The Eaton Fuller capscrew X8-645 or X8645 is a 3/8"-16 x 1" hex head fastener used in the auxiliary drive gear group of Fuller transmissions. Manufacturer parts manuals list this capscrew for over 60 transmission models, including the RTLO-14610B, RTLO-12713A, RTLO-12913A, RT-7608LL, RT-8608L, RTLO-11118A-MT, FM-14D310B-LST, and the RTAO series. Typical quantity per application ranges from four to six capscrews. Cross-references include 12546902, 3919542, and X8612. A genuine Eaton Fuller part, sold by Pro Gear and Transmission. Call us to confirm the correct quantity needed for your specific transmission build.
Features
Eaton Fuller OEM capscrew, part number X8-645 or X8645
3/8"-16 x 1" thread size and length
Used in the auxiliary drive gear group
Fits 60+ Fuller transmission models including RTLO, RT, RTAO, and FM series
Typical application quantity: 4 to 6 capscrews per transmission
Cross-references: 12546902, 3919542, X8612, X8645SP
Tech Specs
- Thread Size: 3/8"-16
- Length: 1"
- Application Group: Auxiliary Drive Gear
- Compatible Models: RTLO, RT, RTAO, RTF, FM series Fuller transmissions (60+ models)
- Cross References: 12546902, 3919542, X8612, X8645, X8645SP, ZBFX8645
