Gear Selector SG-6A – SEM922 / SEM 922F Motor Grader Parts
The gear selector is the operator's direct interface to the transmission. It translates the operator's shift commands into electrical signals that actuate the transmission's solenoid valves, enabling precise gear changes under full load. When the gear selector fails, the transmission may not shift at all, may shift erratically, or may default to a single gear — rendering the grader incapable of maintaining proper working speed for grading, ripping, or snow removal.
| Model | Series | Notes |
|---|
| SEM922 | Standard | SEM 922 (2012 launch, 2013 production), 16,550 kg, 162 kW SDEC D9 engine, 6F/3R electro‑hydraulic power shift transmission |
| SEM922F | F‑series / Non‑road China IV | 17,500 kg approximate, 162 kW SDEC engine, electro‑hydraulic power shift 6F/3R, new engine hood and direct pump mounting |
| SEM921 | Standard | Shares 6F/3R transmission platform with SEM922 for identical gear selector fitment |
| SEM921F | F‑series / Non‑road China IV | Same ZF 6WG200 transmission and PPPC hydraulic system as SEM922F |
| SEM919 / SEM919F | F‑series compatibility | Shared transmission control architecture (may require harness/panel fitment confirmation) |
| Part Number | Product Name | Compatible Model(s) / Notes |
|---|
| SG-6A | Gear Selector / Shift Controller / Transmission Gear Selector Assembly – 24V, electro‑hydraulic power shift, handle‑type with clutch interlock electromagnet | SEM922, SEM922F, SEM921, SEM921F motor graders with ZF 6WG200 transmission |
| 6006030801 | SG‑6/A Gear Selector – ZF Transmission Gear Selector | SEM922, SEM922F, ZF 6WG200 transmission applications, factory cross‑reference number |
| 6006 030 801H | Original 6WG200 Gearbox Parts SG-6A 24V Gear Selector – 6006030801H | SEM922, SEM922F, also compatible with Caterpillar G9190 motor grader ZF 6WG200 systems |
| 3901000049 | Gear Selector Assembly – OEM cross‑reference | SEM922 / SEM922F gear selector, ZF transmission control |
| SG-6/A | Gear Selector (alternate formatting) | Identical to SG-6A — hyphen placement varies across catalogs |
| SG6A | Gear Selector (no‑hyphen format) | Identical to SG-6A / SG-6/A — digital catalog format |
| 119204-18515 | Transmission Control Solenoid Valve (6‑port) | SEM922 / SEM922F — transmission shifting, works with SG-6A gear selector output signals |
| 380901935 | Selector Lever Bracket (Shift Lever Mounting Bracket) | SEM922 / SEM922F — gear selector mounting bracket inside cab console |
| 7D‑2481 | Gear Selector Cable (Push‑Pull Control Cable) | SEM motor grader models with 6F/3R power shift transmissions |
| 17A-03-00031 | Travel Motor (Drum Drive Hydraulic Motor) | SEM922 / SEM922F drivetrain component (paired with gear selector in drive control system) |
| 6D‑2654 / 6D‑2655 | Torque Converter Transmission Switch | SEM motor grader transmission control (works in conjunction with gear selector) |