The 806808 Mack synchronizer upgrade kit gathers the parts for the synchronizer section into one sell pack: a low range hub, a main drive gear, a synchronizer assembly and sub-assembly, two housings, three support sleeves, a synchronizer clutch, and two sets of eight synchronizer discs. Pins, spring sleeves, clamps and screws come in threes. Our parts manuals list it as the synchronizer upgrade kit in the Mack T2130 / T2180 transmission (Synchronizer Update assembly, item 16) and in the T313L / T318L transmission (Rear Case Components, item 54). Sold by Pro Gear and Transmission. Call us to confirm proper fit for your unit.
Features
Low range hub and main drive gear 751KB4177 in one kit
Synchronizer assembly and sub-assembly with a synchronizer clutch
Two housings and three synchronizer support sleeves
Two disc sets of eight synchronizer discs each
Pins, spring sleeves, clamps and screws, three of each
Listed in the Mack T2130 / T2180 and T313L / T318L transmission parts lists
Tech Specs
- Sell pack: 1 EACH
- Low range hub, OEM 84KC411, qty 1
- Main drive gear, OEM 751KB4177, qty 1
- Synchronizer assembly, OEM 320KB464, qty 1
- Synchronizer sub-assembly, qty 1
- Housing, OEM 53KC486E, qty 2
- Synchronizer support sleeve, OEM 301KC243C, qty 3
- Screw, OEM 6AX1606X, qty 3
- Clamp, OEM 298KB213, qty 3
- Clamp, OEM 298KB214, qty 3
- Synchronizer pin, OEM 301KC33, qty 3
- Synchronizer pin, OEM 301KC34, qty 3
- Spring sleeve, OEM 107KD247, qty 3
- Spring sleeve, OEM 301KC35, qty 3
- Synchronizer clutch, OEM 21636360, qty 1
- Synchronizer disc, OEM 495KB361, qty 8
- Synchronizer disc, OEM 495KB367, qty 8
Used in these Mack models
