Rendrox 12V Starter Motor for Kubota RTV Series — 1.4 kW OSGR, CW Rotation, 9-Tooth

This compact starter motor is engineered to deliver the torque and engagement needed for Kubota RTV utility vehicles and similar small engines. It uses an over-running starter gear (OSGR) design and a solenoid engagement mechanism, making it a straightforward swap for worn or failed starters listed in the compatibility and replacement sections. The unit emphasizes durability, heat tolerance, and a short engagement cycle so your engine starts cleanly under routine operating conditions.

Which vehicles and part numbers will this Rendrox starter fit?

It is designed for several Kubota RTV models and substitutes common OEM and aftermarket part numbers, enabling quick identification and fitment during repairs. Confirm model year and mounting interface before installation.

• Compatible Kubota models: RTV-X1100C, RTV-X1120, RTV-X1140, RTV-X900, RTV1100, RTV1140.
• Direct replacements include Kubota 77700-02602, 428000-5400, 428000-5401.
• Also replaces: Denso 428000-5401, Lester 19339, Arrowhead SND0724, J & N 410-52310 and related K-series numbers.

What are the electrical and mechanical specifications I should check?

Before ordering, verify voltage, power rating, rotation direction and tooth count to ensure compatibility with your vehicle’s electrical and mechanical systems.

• Voltage: 12V – match your vehicle battery system.
• Power: 1.4 kW – designed for reliable cranking torque on small utility engines.
• Rotation: clockwise – ensure correct rotation for flywheel engagement.
• Pinion gear: 9 teeth and OSGR over-running gear type for smooth disengagement.

How is this starter built to perform in real-world conditions?

The unit focuses on fast engagement, high current capability, and thermal durability to withstand frequent cranking and typical worksite environments. Its compact footprint helps fit into tight engine bays commonly found on RTVs.

• Solenoid-driven engagement for reliable pinion deployment and retraction.
• High-torque output and short operation cycle reduces wear on components.
• Compact, heat-resistant design suitable for confined engine compartments.
• Engineered for high current draw typical of starting systems in small utility vehicles.

What should I expect during installation and service?

Installation follows standard starter-motor replacement steps: disconnect battery, remove old starter, align mounting and electrical terminals, and reattach battery. No special tools beyond common hand tools are typically required, but check vehicle service documentation for torque specs.

• Battery must be disconnected before removal to avoid shorts.
• Inspect flywheel ring gear and mounting flange for wear before fitting.
• Confirm electrical terminal sizes and secure connections to prevent voltage drop.
• Contact Rendrox customer service with fitment questions or warranty inquiries.

Who is this product for? This Rendrox starter motor is intended for owners, mechanics, and fleet managers who maintain Kubota RTV series vehicles or similar small utility engines and need a reliable, direct-fit replacement. It's suitable when the original starter shows signs of slow cranking, intermittent engagement, grinding noise from the pinion, or electrical faults. Prioritize verifying part numbers, rotation, and teeth count for a correct match. If you require fitment help or have questions about replacement compatibility, Rendrox customer support is available to assist.