Wacker Neuson 5000075890 Starter Motor Rotor Complete
Wacker Neuson

Wacker Neuson 5000075890 Starter Motor Rotor Complete

$94.82
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SKU:
5000075890-Wacker Neuson
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The Wacker Neuson Starter Motor Rotor Complete is a genuine OEM component designed for the GPS5600A, GPS6600A, GS4.6A, GS5.7A, and GS5.6A portable generator series, as well as WB16 Power Buggies and the RSS800A single drum vibratory roller. As a direct factory replacement, part is manufactured to the same specifications as the original, ensuring a proper drop-in fit within the starter motor assembly. This rotor is the correct choice for restoring full starting performance on both 50Hz and 60Hz variants across a wide range of Wacker Neuson equipment. Verify your model number before ordering to confirm compatibility with your specific machine configuration.

Key Features

  • Genuine OEM Winding Integrity — Manufactured with correctly wound armature coils and balanced commutator segments, matching the original electrical output and torque characteristics of the starter motor.
  • Direct-Fit Starter Motor Replacement — Engineered to seat and align within the existing starter motor housing without modification, maintaining correct brush contact and bearing clearance.
  • Broad Model Coverage — Fits GPS5600A and GPS6600A portable generators, GS4.6A, GS4.6AE, GS5.5A, GS5.6A, GS5.7A, and GS5.7AE generator variants, WB16 series Power Buggies, and the RSS800A single drum roller.
  • Consistent Engine Cranking Performance — A properly functioning rotor delivers the rotational force needed for reliable engine starts; a worn or shorted rotor causes slow cranking, failure to start, or starter motor burnout.
  • Electrical Safety Compliance — As a genuine OEM part, the rotor meets the correct insulation resistance and commutator spec for the original starter circuit, reducing the risk of electrical faults in the starting system.

The starter motor rotor is the rotating core of the electric starter assembly. When the ignition engages, current flows through the rotor's armature windings, generating the electromagnetic force that spins the motor and cranks the engine. Over time, commutator wear, winding degradation, or physical damage can cause the rotor to lose efficiency — resulting in sluggish starts, intermittent cranking, or a completely seized starter. Replacing a worn rotor with the correct OEM part restores the starter motor's full output and protects the surrounding components from the heat and stress caused by an underperforming unit.

Part Details

Part Number5000075890
Old Part Number0075890
BrandWacker Neuson
Part TypeGenuine OEM
DescriptionStarter Motor Rotor Complete

Compatibility & Fitment

Name Model Machine Number
GPS5600A,CAN GFI GPS5600A 5000620096, 5000620383, 5000620328, 5000620981, 5000620982, 5000620044, 5000620093, 5000620013
GPS6600A GENERATOR,CAN GFI GPS6600A 5000620102, 5000620386, 5000620331, 5000620047, 5000620099, 5000620016
Single Drum Vibratory Roller RSS800A 5000006582, 5000630012
GPS6600A Generator, EPA GPS6600 5000620987, 5000620988
50Hz Portable Generator with E lectric Start GS5.7AE 5000008285, 5000008279, 5000008281, 5000008283
Portable Generator with Electr ic Start GS5.6A 5000007191, 5000008046
50Hz Portable Generator with E lectric Start GS4.6A 5000008275, 5000008271, 5000008273, 5000008269
50Hz Portable Generator with E lectric Start GS4.6AE 5000008276, 5000008270, 5000008272, 5000008274, 5000008277
50Hz Portable Generator with E lectric Start GS5.7A 5000008284, 5000008278, 5000008280, 5000008282
Power Buggy WB16AE 5000009284, 5000009042, 5000009266
Power Buggy WB16AEF 5000009290, 5000009046, 5000009272
Power Buggy WB16AES 5000009291, 5000009047, 5000009273
Power Buggy WB16AEFS 5000009296, 5000009052, 5000009278
Portable Generator with Electr ic Start, 50Hz GS5.7AI 5000009039
Power Buggy WB16ADE 5000009287, 5000009044
Power Buggy WB16ADEF 5000009293, 5000009049
50Hz Portable Generator with E lectric Start GS5.5A 5000007105
50Hz Portable Generator with E lectric Start GS4.6AI 5000009038
Power Buggy WB16ADES 5000009050
Power Buggy WB16ADEFS 5000009053

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.