

Part number 805-271A is a motor assembly that provides the rotational power to drive the pump in compatible sprayer systems. This complete unit includes the motor and necessary mounting components. It is compatible with impact 1040; impact 1140 I and IA; and Impact 1140 service models. Replacing a failed or worn motor assembly restores full functionality and reliable operation to the sprayer.
| Part Number | 805-271A |
|---|---|
| Part Description | Motor Assembly |
| Fits | impact 1040; impact 1140 I and IA; Impact 1140 service |
| Condition | New |
The 805-271A motor assembly is the complete electric motor unit that powers the pump in impact 1040, impact 1140 I and IA, and Impact 1140 service sprayer models. This assembly includes the motor itself, along with any attached components such as the drive shaft, cooling fan, and mounting brackets. It converts electrical energy into mechanical rotation, which is then transmitted to the pump through a belt, gear, or direct drive system. The motor is specifically engineered to meet the power and speed requirements of these sprayers, ensuring optimal pump performance. It is constructed with durable windings, bearings, and housing to withstand the demands of continuous operation. Over time, motors can fail due to brush wear (in universal motors), bearing failure, winding burnout, or electrical component degradation. Symptoms of a failing motor include the sprayer not starting, running slowly, overheating, tripping breakers, or making unusual noises. A failed motor will render the sprayer inoperable. Replacing a faulty motor with this genuine assembly restores full power and reliability. It ensures that the pump receives the correct torque and speed for efficient spraying. Installation requires proper electrical connections and mechanical alignment. When replacing the motor, it is also advisable to inspect the drive components such as belts or couplings for wear.
| Power generation | Converts electricity to mechanical rotation |
|---|---|
| Pump drive | Provides torque and speed to operate pump |
| System operation | Enables all spraying functions |
| No start | Motor does not run when power is applied |
|---|---|
| Overheating | Motor gets excessively hot during use |
| Unusual noise | Grinding, squealing, or knocking sounds |
| Loss of power | Sprayer runs slowly or lacks pressure |
Part number 805-271A is compatible with the following sprayer models. Always verify using your equipment's serial number and parts manual.
| Brand / Series | Specific Models |
|---|---|
| Impact | 1040, 1140 I and IA, 1140 service |
When replacing the motor assembly, inspecting these associated components can help ensure a complete repair.
Transmits power to pump; replace if worn.
If motor uses capacitor, check for proper function.
Inspect for damage that could affect motor operation.