The Eaton Fuller K-3156 or K3156 Washer Update Kit is a factory-specified service kit for Fuller RTX and RTXF 609-series transmissions, covering 31 confirmed model applications including RTX-11609A through RTXF-14609R. The kit contains the mainshaft assembly (S-2688), four washers (4302398), two washers (4303603), three gears (4302384, 4303409, 4303477, 4305663), a mainshaft key (4304614), a snap ring (16763), and three factory instruction letters (L-1096, L-1096-1, L-1096-2). This is a genuine Eaton Fuller update kit sold by Pro Gear and Transmission. Call us to confirm proper fit for your specific transmission build.
Interchanges:
- 67850
- EF67850
Features
Fits 31 Fuller RTX and RTXF 609-series transmission models (RTX-11609A through RTXF-14609R)
Includes mainshaft assembly S-2688 and mainshaft key 4304614 (3-sided SPL key)
Kit contains four 4302398 washers and two 4303603 washers for mainshaft positions
Three gears included: 4302384, 4303409, 4303477, plus main-shaft gear 4305663
Factory instruction letters L-1096, L-1096-1, and L-1096-2 included for proper update procedure
Genuine Eaton Fuller part, sold by Pro Gear and Transmission
