XINYA supplies excavator parts including hydraulic pumps, travel motors, swing devices, control valves, engine parts and undercarriage components. Send us your machine model, OEM part number or product photo for fast matching and quotation.

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MAG Hydraulic Travel Motor Repair Kit

Place of Origin China/Japan
Brand Name LIRACE/KYB
Model Number MAG-18 MAG-27 MAG-33 MAG-170
Minimum Order Quantity 1 PCS
Price Negotiable price
Packaging Details Wooden case or as required
Delivery Time 5-8 Weekdays
Payment Terms Western Union,T/T
Supply Ability 300pcs /Month
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Basic Parameters & Introduction
This high-precision heavy-duty hydraulic walking motor and reducer core overhaul repair kit (Final Drive Repair Kit) is specially designed for classic MAG and MSG series walking assemblies such as Kato, Mitsubishi, and Teijin Seiki. The product fully covers and accurately applies the core models of MAG-18, MAG-27, MAG-33, MAG-170, as well as MSG-18, MSG-27P, MSG-44 and other series. This high-end original factory level overhaul component (including cylinder body, plunger, distribution plate, first and second stage planetary gears, bearings and other friction pairs) is a pure and high-quality spare part in the aftermarket, widely matched and fully restored to the absolute driving torque of various excavator final transmission systems ranging from 1.5 to 20 tons. Taking MAG-27 as an example, the physical dimensions of the product packaging are about 340mm × 220mm × 210mm, and the overall net weight is about 14.2kg (the specifications of each model are adjusted according to the size).
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Maintenance Tips
"Daily inspection (every 10 hours): Before starting each shift, visually inspect the floating oil seal and double coil pipeline interface of the walking motor, detect any trace leakage or abnormal knocking sound in blind spots, and promptly remove any tangled wires or debris.

First oil change and cleaning (50-100 hours of operation): After repairing the new motor components and running them on the machine for 50 to 100 hours during the break in period, it is necessary to forcibly replace the new original heavy-duty gear oil inside the reducer to thoroughly remove the micrometer sized metal particles generated during the initial break in period.

Regular hard replacement (every 250/1000 hours): Check and remove iron filings attached to the gear oil every 250 hours; Every 1000 hours (or up to 1 year), forcibly empty and replace the entire vehicle's final drive gear oil. In harsh mining, mud water or high pollution conditions, the maintenance cycle must be forcibly halved."
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Installation Tips
"Dust free assembly and floating seal protection (core pit avoidance): The assembly environment for major repairs must meet the purification level dust-free standard. All plunger surfaces must be coated with clean hydraulic oil. When installing a floating seal, it is strictly prohibited to contaminate its sealing surface with any micron sized dust, and the metal ring end face is strictly prohibited from applying any lubricating grease (only a small amount of clean hydraulic oil is allowed to be applied) to prevent sudden physical erosion and oil leakage in the later stage.

Forced exhaust and shell oil leakage inspection: After the walking motor is closed and connected to the pipeline, clean new hydraulic oil must be filled from the top drain port (Case Drain Port) of the motor housing before the first ignition of the whole machine, to prevent the motor plunger from dry wear and erosion caused by high-pressure impact during startup."
Brand China/Japan Brand Name LIRACE/KYB
Model MAG-18 MAG-27 MAG-33 MAG-170 Product Name Final Drive Parts
Part Number MAG-18 MAG-27 MAG-33 MAG-170 ApplicableBrand KYB
Warranty Period 6-12 months Condition NEW
Standard or Non-standard Standard Type Guarantee We will inspect the products and send detailed pictures to the buyer for confirmation.
Applicable Industries Mechanical Repair Shops, Retail, Construction, Energy, Mining Shipping Method Sea freight, Air freight, DHL/FEDEX/TNT/EMS

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What We Do

Services we Offer

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What if there are quality problems with the purchased products?

Please rest assured completely. We implement strict quality control throughout the whole production process. From raw material incoming inspection to finished product delivery, all items undergo multiple rounds of rigorous technical inspection and performance testing, to fully ensure every delivered product meets 100% qualified standards. All unqualified products detected during inspection will be disposed of by centralized destruction, to firmly prevent defective goods from entering the market. Meanwhile, we provide an extended warranty period of 6 to 12 months for all products. Within the warranty period, if any non-artificial quality failure occurs, please contact us promptly. Our professional technical team will respond at the earliest time and offer targeted solutions based on actual conditions. In addition, we deliver all-round technical support to safeguard your after-sales operation. Always taking customer satisfaction as the core principle, we are committed to establishing long-term and stable cooperative partnerships with global clients.
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What happens if the delivered item is unsuitable for my needs?

Please rest assured. To ensure that the products you receive fully meet your needs, we will conduct multiple rounds of demand confirmation with you before shipment, fundamentally avoiding the problem of wrong or missing delivery. To further ensure accuracy, we will first conduct precise query and verification through the product part number you provide to ensure that the product model and specifications are completely matched. If you do not have an accurate part number temporarily, we will arrange professional technicians to check and confirm one by one according to the clear product pictures and corresponding construction machinery models you provide, and communicate and synchronize with you throughout the process until confirmed correct before arranging shipment, to fully ensure that you receive the products you need and avoid unnecessary troubles.
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What professional shipping and delivery standards can we provide you?

Within our international trade operations, we prioritize a high-efficiency supply chain and a transparent logistics framework. To ensure the accuracy of every shipment, a standardized PDI (Pre-Delivery Inspection) system is strictly enforced. Before the final sealing of containers, our QC specialists conduct a thorough re-examination. We provide clients with high-resolution photos of the actual items, packaging details, and the Packing List for Visual Confirmation, ensuring 100% compliance with order specifications and delivery transparency. We support versatile Incoterms, including EXW and FOB. To meet diverse delivery timelines and cost constraints, we offer a multi-modal logistics matrix ranging from Ocean Freight and Air Freight to global couriers (DHL/FEDEX/TNT/EMS). We guarantee full professional documentation support for every shipment to ensure a safe, timely, and compliant arrival at the port of destination.
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We are a global one-stop supplier of excavator spare parts. We maintain full control over the entire process from R&D and manufacturing to sales, delivering top-quality excavator components to you.

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