

Part number 805-265A is a Motor Assembly that provides the primary power source for compatible Impact series airless sprayer systems. This complete replacement unit delivers reliable performance for professional painting applications.
| Part Number | 805-265A |
|---|---|
| Part Description | Motor Assembly |
| Fits | Impact 840 service; Impact 740-840; impact 740; Iimpact 840 I and IA |
| Condition | New |
Part number 805-265A is a complete Motor Assembly specifically engineered for the Titan Impact 840 service, Impact 740-840, impact 740, and Iimpact 840 I and IA airless sprayer systems. The Impact 840 is a professional-grade sprayer designed for heavy-duty painting applications, featuring a powerful motor that delivers consistent spray patterns and high pressure for efficient and even coverage on large-scale projects such as houses, commercial buildings, and industrial structures. This motor assembly is the primary power source that drives the pump, converting electrical energy into the mechanical force necessary to pressurize coating materials up to the system's maximum operating pressure.
Service procedures documented in the Impact 840 manual detail the complete motor replacement process. The motor assembly is mounted within the gearbox housing and secured with specific fasteners. During replacement, technicians must follow steps to remove the motor shroud, motor cover, and disconnect the motor controller before extracting the motor from the gearbox. The armature gear on the end of the motor drives the 1st stage and 2nd stage gear assemblies within the front gear box. If this armature gear shows damage or excessive wear, complete motor assembly replacement is recommended. The motor assembly includes all necessary components for a direct, serviceable replacement.
This motor assembly is subjected to continuous high-load operation, thermal stress, and mechanical vibration. Failure modes include motor burnout, bearing wear, armature gear damage, and electrical insulation breakdown. Symptoms of motor failure include the unit not starting, running intermittently, making unusual noises, or failing to maintain pressure. Replacement with genuine 805-265A motor assembly restores full power and ensures reliable operation of Impact series sprayers for professional painting applications.
| Power Generation | Drives the pump to pressurize coating materials |
|---|---|
| Drive System Integration | Armature gear engages gearbox for mechanical power transmission |
| Consistent Performance | Delivers reliable power for even coverage on large-scale projects |
| Motor Fails to Start | Unit does not run when connected and switched on |
|---|---|
| Armature Gear Damage | Gear on motor end is completely worn out or damaged |
| Unusual Noise | Grinding or squealing sounds during operation |
| Intermittent Operation | Motor runs erratically or fails to maintain pressure |
Part number 805-265A is specifically designed for Titan Impact 840 service, Impact 740-840, impact 740, and Iimpact 840 I and IA airless sprayer systems. The Impact 840 is a professional-grade sprayer suitable for large-scale projects such as painting houses, commercial buildings, and industrial structures, and is compatible with a variety of coatings including latex paints, stains, and primers. These units share common motor mounting architecture and gearbox interface requirements. This motor assembly is a model-specific component engineered for the power requirements, mounting configuration, and drive system of these particular sprayer systems. Always confirm fitment using the correct parts diagram for your exact model and serial number.
| Compatible Models | Component |
|---|---|
| Impact 840 service | Motor Assembly |
| Impact 740-840 | |
| impact 740 | |
| Iimpact 840 I and IA |
The motor assembly is the primary drive component. When servicing this assembly, these related parts are often inspected or replaced at the same time.
Driven by the motor armature gear. Inspect for damage or excessive wear during motor replacement.
Second gear in the drive train. Check for wear and replace if necessary.
Housing containing the gears. Inspect for damage and clean/refill with Lubriplate P/N 314-171.