maintenance
leave it to Our experienced mechanics provide repair and maintenance services for all types of heavy machinery, regardless of manufacturer.
We have a large all-weather in-house facility, so you can bring in your equipment at any time.
We promise to respond to all customer requests with technical expertise, speed, sincerity, and promptness.
repair capabilities
Repairs at our in-house maintenance facility
Our all-weather in-house facility, located along National Route 407 in Kumagaya City, Saitama Prefecture, accepts customer equipment for repair at any time.
Skilled mechanics are always on-site to handle a wide range of repairs, including sheet metal work, painting, welding, as well as engine, hydraulic, and electrical systems.
Rapid response with on-site repairs
We respond quickly to various troubles that occur on-site, such as track derailment, engine starting problems, and oil leaks. Within the Kanto region, our experienced certified technicians will visit your site to repair and maintain construction machinery regardless of manufacturer.
We respond swiftly to sudden breakdowns, minimizing work interruptions and fully supporting your operations.
maintenance
Construction machinery is subjected to harsh conditions on-site, making regular maintenance essential. We are committed to providing support to help you use your valuable equipment long-term and to prevent unexpected troubles before they occur.
Professional inspection and diagnosis
Our mechanics conduct continuous inspections and diagnostics even after the manufacturer’s warranty period ends. We accurately assess the condition of your machinery and respond quickly before large-scale, expensive repairs become necessary.
We also offer scheduled inspection services tailored to your schedule.
Cost reduction through preventive maintenance
Through regular maintenance such as oil changes and parts replacement, it is possible to extend the life of your machinery and minimize unnecessary repair costs and work interruptions due to breakdowns.
Our maintenance service is not just inspection—it aims to improve on-site work efficiency, prevent project delays due to machinery troubles, and support completion on schedule. If you have any concerns about construction machinery, please feel free to contact us.
can handle We can handle all construction machinery issues,
including hydraulic cylinders, engine repairs, oil leak response, and regular maintenance.
Cylinder-relatedWe can handle cylinder oil leak repairs, overhauls, bent cylinders, cylinder scratches, re-plating, and sales of rebuilt rods and cylinders. If you have cylinder problems, please consult Saijuki Engineering first.
Engine-related troublesWe can handle a wide range of services including engine repairs, engine oil leak repairs, overhauls, engine replacements, new and used engines, rebuilt product sales, and turbochargers (new and rebuilt).
Undercarriage-relatedRubber track replacement, rubber pad installation, carrier roller and track roller replacement, link assembly replacement, adjuster cylinder replacement, and more.
As a specialized shop, we can also offer affordable rubber tracks and rubber pads for sale, so please feel free to inquire.
Oil leak repairWe resolve oil leak issues including travel motors, hydraulic pumps, control valves, swivels, various cylinders, and attachment repairs. We can also manufacture and sell hydraulic hoses and install them on-site.
Hydraulic hosesFor hydraulic hose manufacturing and repair, contact Saijuki, an authorized Yokohama Rubber dealer. We stock a wide range of fittings and adapters and can manufacture hoses for any machinery.
※On-site repair service coming soon
Welding, sheet metal, and paintingWe handle boom and arm reinforcement, bucket and various attachment build-up welding, painting, and cabin and bed repairs. We carefully perform all work from surface preparation to finishing.
Electrical systemsWe resolve electrical system issues including wiring problems, starter motor and alternator overhauls, and rebuilt product sales.
Regular maintenanceBy regularly replacing filters such as oil elements, fuel filters, and air elements, as well as performing various oil changes, we extend the life of your machinery and prevent breakdowns before they occur.
Service area
We can also provide on-site repairs to areas near the Kanto region such as Nagano and Fukushima, so please feel free to contact us.
※Travel fees apply depending on distance.
skilled craftsmen always
on-site.
- Machinery suddenly stopped working on-site
- Manufacturer support has ended
- Old machinery with unknown model name,
parts cannot be found - Sudden unusual noise or vibration
We can handle all heavy machinery troubles.
Repair examples
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ヤンマーVio20-3 油圧ホース作成・交換出張修理 -
クボタRG30C-3 走行モーター減速機ケースオイル漏れ修理 -
日立ZX75USK-3 エンジンオイルクーラーオイル漏れ修理 -
コマツPC10UU-2 エンジン始動不良修理
