90R55 is 55cc 11095647 variable axial piston pump of Sauer Danfoss 90 series, widely used in closed-circuit hydrostatic transmission system.

90R55 is 55cc variable axial piston pump of Sauer Danfoss 90 series, widely used in closed-circuit hydrostatic transmission system.
Our 90R55 repair kits have two types: seal overhaul kit and full repair kit.
✅ Seal Overhaul Kit: Mainly includes shaft seal, O-rings, gaskets, seals for control valve & charge pump. Made of NBR / FKM, used to fix external oil leakage.
✅ Full Repair Kit: Contains all seal parts plus internal wear components: pistons, slippers, valve plate, retainer plate, ball guide etc. For heavy overhaul when pump has low pressure, big internal leakage or abnormal noise.

Application Scenarios

- Road machinery: single / double drum road roller, asphalt paver
- Agricultural machinery: combine harvester, cotton picker, forage harvester
- Special vehicles: skid steer loader, tracked dumper, concrete mixer drum drive, aerial work platform
- Mining & industrial equipment: small mining machine, port transfer equipment, closed hydraulic drive system

Features: High precision, compatible with Sauer Danfoss 90R055 pump, stable performance under heavy load & dusty working conditions.

Note: 90R series repair kits are not interchangeable among different displacement models.