Combine Harvester Track Tensioner Arm

Maikeyier is a manufacturer and supplier of Combine Harvester Track Tensioner Arms for Kubota / Yanmar / Lovol / World tracked combine harvesters. We serve dealers, wholesalers, repair service providers, and importers, offering one-stop full-container supply solutions for undercarriage parts. Our products cover all series of tracked harvesters from the four major brands, using materials such as cast steel, Q355 steel plate welded, and QT450 ductile iron. We offer both OEM-equivalent and aftermarket parts, support bulk purchases, mixed orders, and full-container shipments. Minimum order quantity for single-category products is 200 pieces.

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Quick Guide

Combine Harvester Track Tensioner Arm (Components & Materials)

The Track Tensioner Arm (also called track tensioner arm, track tensioner lever, or undercarriage tensioner arm) is a “lever + actuator” assembly on a tracked combine harvester that applies and maintains track tension. A complete track tensioner arm assembly consists of 8 core components, each affecting tensioning performance and service life.

Combine Harvester Track Tensioner Arm for Sale

Maikeyier is a manufacturer and supplier of combine harvester track tensioner arms, not just a trader. We have our own forging line producing arm bodies, pins, and wheel shafts; our own 5-axis CNC machining for pin holes and critical surfaces; ductile iron castings and hydraulic cylinder assemblies are completed by long-term partner factories under our quality agreement. The chain is short, responsibility is clear, no middleman markups. You can choose price and material according to your business needs.

In-House Capabilities

Tensioner Arm Types We Supply

We support all four common Combine Harvester Track Tensioner Arms used on combine harvesters and tracked rice machines.

Materials and Grades

We offer three clearly defined quality tiers so you can match the right product to the right market without changing suppliers.

Brands and Models Covered

One-Stop Undercarriage Supply

More than just tensioner arms — this is where Maikeyier adds the most value to your inquiry. The same container can carry Combine Harvester Track Tensioner Arms and the rest of the undercarriage, packaged in matched sets, ready for your warehouse or your dealer’s shelf.

Quality Control

Every tensioner arm shipped from Maikeyier’s warehouse is stamped with a traceability code, so we can retrieve its Material Test Certificate, forging batch, machining records, and test reports at any time.

Packaging, Lead Time and Logistics

• Packaging: Anti-rust oil + bubble wrap + iron frame on pallet; wooden crate for hydraulic assemblies. Mixed-container optimization available.
• Lead time: Standard tensioner arms 15–25 working days; custom / new part numbers 30–45 working days after drawing confirmation.
• Documents: Commercial invoice, packing list, MTC, heat treatment report, certificate of origin (Form E / FORM A / CO as required).
• Incoterms: EXW, FOB, CIF, DDP supported.

Service Capability

• OEM-by-sample: Send us the worn part or a photo, we reverse-engineer and quote.
• Mixed SKU orders: Combine tensioner arms with track rollers, sprockets, sheet metal parts, and forged parts in one container.
• Tiered pricing: Clear material and process grade discount ladders for distributor volumes.
• Warranty: 12 months from B/L date against manufacturing defects.

Track Tensioner Arm Life and Working Condition Adaptation

When selecting a Combine Harvester Track Tensioner Arm, first determine the harvester brand and model (e.g., Kubota DC70, Yanmar AW85, Lovol RG, FMWorld). OEM part number or reference number (most reliable). Or an old part sample or clear photo. Then determine the quality grade based on the application scenario and desired service life.

Material Selection by Working Condition

Choosing the Tensioning Mechanism

Cast Steel vs. Ductile Iron — How to Choose Tensioner Arm Material

For the vast majority of tracked harvesters, the choice of tensioner arm material is essentially a trade-off between cast steel and ductile iron. Maikeyier has compared the performance of the two materials to help you make a quick decision.

Maikeyier OEM & Aftermarket Track Tensioner Arm Supply Capability

Maikeyier provides both OEM services and aftermarket brand combine harvester track tensioner arms. Whether you seek the best quality or the most cost-effective price, we can meet your needs. We are not just a tensioner arm supplier, but a complete harvester chassis parts supplier. Maikeyier’s warehouse has over 20,000+ SKUs, with stock available for popular models. The same container can carry tensioner arms, drive sprockets, idler wheel assemblies, track roller assemblies, track chains, track shoes, etc. Lead time 5–25 working days.

Combine Harvester Track Tensioner Arm – FAQ

Maikeyier tensioner arm products have been exported to Southeast Asia, South Asia, South America, Africa, and other markets, compatible with mainstream models such as Kubota DC70/DC105, Yanmar AW70V/AW82V, Lovol RG series, and World 4LZ series. Customer types include agricultural parts wholesalers, repair chains, and importers. Leave us a message with your requirements for a free quotation!