Yanmar

About Yanmar Construction Machinery

Yanmar Co., Ltd. is one of Japan's most respected and historically significant engineering companies, with a corporate history spanning more than 100 years. Founded in 1912 in Osaka, Japan, by Magokichi Yamaoka, Yanmar began with an extraordinarily ambitious engineering mission — to develop a small, practical diesel engine that could be used by ordinary farmers and small businesses without the need for specialist technical knowledge or large capital investment. At the time, diesel engines were large, expensive, and difficult to operate — the exclusive domain of large industrial enterprises. Yamaoka's vision was to democratise diesel power and make it accessible to the small-scale operators who formed the backbone of Japan's agricultural and industrial economy.

Yanmar achieved this vision in 1933 when it became the first company in the world to successfully commercialise a small, practical diesel engine — the Type HB horizontal diesel engine — a breakthrough that earned Yanmar its place in engineering history and established the company's global reputation as a pioneer of compact diesel technology. This achievement was not merely a commercial success — it was a genuine technological breakthrough that transformed the productivity of small-scale farming and industrial operations across Japan and eventually across the world. The compact diesel engine technology that Yanmar pioneered in 1933 is the direct ancestor of the small diesel engines that power mini excavators, compact tractors, generators, and small boats worldwide today.

From this founding achievement in compact diesel engineering, Yanmar expanded its product range over the following decades into marine engines, agricultural tractors, construction equipment, energy systems, and industrial engines — always with the same core philosophy of compact, reliable, and fuel-efficient engineering that Magokichi Yamaoka instilled in the company from its earliest days. Yanmar's engineering culture has consistently prioritised making high-performance technology accessible and practical for operators working in real-world conditions — a philosophy that is directly reflected in the compact excavators and mini excavators that Yanmar produces today.

Yanmar entered the construction equipment market with the development of its mini excavator range — compact hydraulic excavators that embody the same philosophy of making powerful earthmoving capability accessible to smaller operators, landscaping businesses, civil contractors, and agricultural operators who need a capable and manoeuvrable machine at a practical size and cost. Yanmar mini excavators are powered by Yanmar's own diesel engines — the same engine technology heritage that the company has been developing and refining for over 90 years — giving Yanmar excavator owners the advantage of a fully integrated OEM parts supply chain for both machine-specific components and engine service parts.

In Australia, Yanmar mini excavators are a well-regarded and widely operated presence across landscaping, civil construction, utility, and agricultural earthmoving applications. The distinctive Yanmar compact excavator range — known for smooth hydraulic operation, reliable Yanmar diesel engines, and practical operator-friendly design — has built a loyal following among Australian owner-operators and smaller contracting businesses who value the brand's combination of performance, reliability, and compact dimensions. With a growing installed base of Yanmar excavators across the country, access to quality Yanmar excavator parts through a reliable local supplier like Lucas Parts is essential for keeping Australian operations running productively.

Yanmar Excavator Parts We Supply

At Lucas Parts, we stock a comprehensive range of Yanmar excavator spare parts to suit Yanmar mini excavators and compact excavators across the model range. Our Yanmar excavator parts inventory includes:

• Rubber tracks — replacement rubber tracks for Yanmar mini excavators and compact excavators in a comprehensive range of widths and pitches to suit all common Yanmar models
• Undercarriage parts — track rollers, carrier rollers, sprockets, idlers, and track frames for Yanmar mini and compact excavators
• Wear parts — bucket teeth, cutting edges, side cutters, and bucket pins for Yanmar excavator buckets across a range of bucket sizes and configurations
• Hydraulic components — hydraulic pumps, motors, cylinders, control valves, seals, and hoses for Yanmar excavator hydraulic systems
• Engine parts — filters, belts, water pumps, fuel injectors, and gaskets for Yanmar diesel engine configurations including 3TNV, 4TNV, and related Yanmar engine series
• Structural components — swing bearings, boom pins, arm pins, bucket link pins, and frame bushings for Yanmar excavators
• Hydraulic seal kits — complete seal kits for boom cylinders, arm cylinders, bucket cylinders, and blade cylinders on Yanmar excavators
• Filters — hydraulic filters, engine oil filters, fuel filters, and air filters for Yanmar excavator service requirements
• Electrical parts — sensors, switches, relays, solenoids, glow plugs, and wiring components for Yanmar excavator electrical systems
• Cab and operator components — cab glass, door seals, seat assemblies, joystick controls, and canopy components for Yanmar excavator operator stations
• Dozer blade components — blade cutting edges, blade pins, and hydraulic cylinder components for Yanmar excavator dozer blade attachments

Can't find the Yanmar excavator part you need? Call our team on 1300 987 300 and we will source it for you.

Why Choose Lucas Parts for Yanmar Excavator Parts?

• Australian stock — faster delivery, no lengthy international lead times
• Competitive pricing — genuine and quality aftermarket Yanmar excavator parts at competitive rates
• Expert advice — our team understands Yanmar excavator models and can help identify the correct part for your specific machine model and serial number
• Full warranty — all Yanmar excavator parts are inspected and covered before dispatch
• Minimise downtime — Yanmar mini excavators are often the most versatile and productive machines on smaller construction and landscaping sites; every hour of downtime directly impacts your project productivity and profitability

Genuine vs Aftermarket Yanmar Excavator Parts — Which Should You Choose?

Genuine Yanmar OEM parts are manufactured to the exact engineering specifications of your machine and are the recommended choice for critical components such as hydraulic pumps, swing bearings, engine components, and electronic control units. For Yanmar excavators still under warranty or operating in high-productivity roles where reliability is paramount, genuine OEM parts provide the assurance of correct fit and guaranteed performance that protects your investment.

For high-frequency consumable items such as rubber tracks, bucket teeth, cutting edges, filters, and hydraulic seal kits, quality aftermarket Yanmar-compatible parts offer a cost-effective alternative that delivers equivalent performance at a lower price point. This is particularly relevant for owner-operators and landscaping and construction businesses running Yanmar machines where wear part and service part consumption is ongoing and keeping maintenance costs under control is important to maintaining healthy margins on competitive project pricing.

At Lucas Parts, we supply both genuine and premium aftermarket Yanmar excavator parts, giving you the flexibility to make the right choice for each component based on criticality, budget, and your machine's operating conditions. Our team is happy to advise you on the best option for your specific Yanmar model and application.

Yanmar Excavator Models We Support

We supply parts for a wide range of Yanmar mini excavator and compact excavator models commonly operated in Australia, including:

• Yanmar ViO series — ViO10, ViO17, ViO20, ViO25, ViO27, ViO30, ViO35, ViO40, ViO45, ViO50, ViO55, ViO57, ViO70, ViO75, ViO80, and ViO100 zero tail swing compact excavators — the most widely operated Yanmar excavator series in Australia
• Yanmar SV series — SV08, SV15, SV17, SV22, SV26, SV40, SV60, and SV100 mini and compact excavators
• Yanmar B series — B05, B08, B14, B15, B22, B25, B27, B37, B50, B75, and B95 mini and compact excavators widely used across Australian landscaping and construction applications
• Yanmar C series — C30R and C50R compact carrier and dumper models used in conjunction with Yanmar excavators on construction and landscaping projects

Don't see your Yanmar excavator model listed? Contact us — we support a broad range of current and legacy Yanmar excavator models and will do our best to source the parts you need.

Yanmar Diesel Engines in Excavators — TNV Series

One of the most significant advantages of owning a Yanmar excavator is that the machine is powered by a Yanmar diesel engine — compact diesel engines that embody over 90 years of Yanmar engine engineering heritage and that are among the most reliable and fuel-efficient small diesel engines in production anywhere in the world. Yanmar diesel engines fitted in Yanmar excavators include:

• Yanmar 3TNV Series — three-cylinder naturally aspirated and turbocharged diesel engines used in the smallest Yanmar mini excavator models — compact, reliable engines with a well-established aftermarket parts support network in Australia
• Yanmar 4TNV Series — four-cylinder naturally aspirated and turbocharged diesel engines used in mid-size Yanmar ViO and SV series excavators — the most widely operated Yanmar engine family in Australian Yanmar excavators and one of the most commonly serviced compact diesel engines in the Australian construction and agricultural market
• Yanmar 4TN Series — older four-cylinder diesel engine series fitted in legacy Yanmar excavator models still operating across Australia — engines for which a strong aftermarket parts supply network exists through Lucas Parts

Because Yanmar manufactures both the excavator and the engine, Yanmar excavator owners benefit from a fully integrated OEM parts supply chain for both machine-specific components and engine service parts. Lucas Parts stocks a comprehensive range of Yanmar engine service and repair parts for all of the engine families fitted in Yanmar excavators — giving Yanmar owners a single reliable local source for both excavator and engine parts.

Yanmar Mini Excavator Rubber Tracks — Selection and Maintenance

Rubber tracks are the single most frequently replaced wear item on Yanmar mini excavators and compact excavators — and selecting the correct replacement track specification is critical to correct fit and optimum track performance on your machine. Yanmar mini excavator rubber tracks are defined by three key dimensions — width, pitch, and link count — and all three must be correct for the track to fit and function properly. Using a track with incorrect pitch or link count — even if the width appears similar — will result in incorrect track tension, accelerated sprocket and idler wear, and potential track derailment during operation.

Track compound selection is also an important consideration for Australian Yanmar excavator operators. Standard rubber track compound is suitable for most construction and landscaping applications on mixed ground surfaces. For Yanmar excavator operators working predominantly on highly abrasive surfaces such as concrete, asphalt, gravel, or crushed rock — common in urban construction, road works, and civil applications — premium high-durability compound tracks offer significantly longer service life at a moderately higher initial cost that is typically recovered through extended track replacement intervals.

Key rubber track maintenance practices for Yanmar mini excavator owners include regular track tension inspection and adjustment — both over-tight and over-loose track tension significantly accelerate undercarriage and track wear — and removal of accumulated mud, clay, and debris from the undercarriage at the end of each working day. In clay-heavy Australian soils — common across many Victorian, South Australian, and Queensland construction sites — mud packing in the undercarriage is one of the most common causes of accelerated rubber track and roller wear on mini excavators.

Yanmar ViO Series — Australia's Most Popular Yanmar Excavator

The Yanmar ViO series of zero tail swing compact excavators deserves specific mention as the most widely operated and best-known Yanmar excavator series in the Australian market. The ViO designation stands for "Vio" — reflecting the machine's key design characteristic of zero tail swing operation, where the counterweight and upper structure rotate within the machine's track width, allowing the excavator to work safely in confined spaces, alongside walls and fences, in urban streetscapes, and in other constrained environments where conventional tail swing excavators cannot operate safely.

The zero tail swing design of the Yanmar ViO series has made it the preferred mini excavator choice for Australian landscaping businesses, urban civil contractors, and utility operators working in the confined conditions that characterise so much of the construction work in Australia's growing cities and suburban areas. The ViO series covers machine sizes from the compact ViO10 through to the productive ViO100 — a size range that allows Yanmar ViO machines to tackle an extraordinary breadth of excavation, trenching, grading, and earthmoving tasks across residential, commercial, and civil construction applications.

Lucas Parts stocks a comprehensive range of spare parts for the most commonly operated Yanmar ViO series models in Australia — including rubber tracks, undercarriage components, hydraulic seal kits, engine service parts, and wear parts — giving ViO series owners a reliable and competitively priced local source for the parts they need to keep their machines working.

Serving Construction and Landscaping Businesses Across Australia

Lucas Parts supplies Yanmar excavator parts to customers in Melbourne, Sydney, Brisbane, Perth, Adelaide, Darwin, and regional Australia. We work with civil contractors, landscaping businesses, earthmoving companies, agricultural operators, utility contractors, plant hire businesses, and equipment dealers who need reliable Yanmar excavator parts supply with fast turnaround.

Browse our full Yanmar excavator parts catalogue or contact our team today to discuss your requirements.

Frequently Asked Questions — Yanmar Excavator Parts

How do I find the correct Yanmar excavator part for my machine?

The most reliable method is to locate your machine's model designation and serial number from the machine identification plate — typically found on the cab or canopy frame or on the main frame — and have these details ready when you contact us. For Yanmar excavators, the serial number is particularly important as parts specifications can vary between early and late production machines of the same model designation, particularly for hydraulic components and engine parts that were updated during the production run. Our team can cross-reference your serial number against Yanmar's parts catalogue to identify the correct part before you order.

What is the difference between the Yanmar ViO and SV excavator series?

The Yanmar ViO series are zero tail swing compact excavators — machines where the upper structure and counterweight rotate within the width of the tracks, allowing safe operation in very confined spaces. The Yanmar SV series are conventional tail swing mini excavators — machines where the counterweight extends beyond the track width during upper structure rotation, providing a more stable digging platform in open site conditions but requiring more clearance space for upper structure rotation. Both series are powered by Yanmar diesel engines and share many common engine service parts, but have different machine-specific components including undercarriage dimensions, hydraulic system configurations, and structural specifications. Always confirm your specific model series when ordering machine-specific parts.

How do I measure the correct rubber track size for my Yanmar excavator?

Yanmar mini excavator rubber tracks are defined by three dimensions — width in millimetres, pitch in millimetres, and link count. The width is measured across the full width of the track. The pitch is measured between the centres of adjacent track links. The link count is the total number of links in the complete track. All three dimensions must be confirmed before ordering a replacement track. The easiest and most reliable way to confirm these dimensions is to provide us with your Yanmar machine model and serial number — our team can identify the correct track specification from our records without needing to physically measure the existing track.

How long do rubber tracks last on a Yanmar mini excavator?

Rubber track service life on a Yanmar mini excavator varies significantly depending on the operating surface, track tension maintenance, and the overall condition of the undercarriage system. In typical mixed-surface construction and landscaping conditions, Yanmar mini excavator rubber tracks generally last between 1,000 and 1,500 operating hours. Operating predominantly on highly abrasive surfaces such as concrete, asphalt, gravel, or crushed rock will significantly reduce track life — sometimes to as few as 400 to 600 hours in severe cases. Correct track tension adjustment and regular undercarriage cleaning — particularly mud and clay removal — are the most effective maintenance practices for maximising rubber track service life on Yanmar excavators in Australian conditions.

What are the most common maintenance items on Yanmar mini excavators?

The most frequently replaced maintenance and service items on Yanmar mini excavators in Australian service include engine oil and oil filter at the recommended service intervals — typically every 200 to 250 operating hours for Yanmar TNV series engines — fuel filter replacement every 400 to 500 hours, hydraulic oil and hydraulic filter replacement at the manufacturer's recommended intervals, rubber track tension inspection and adjustment every 50 hours and track replacement when worn beyond serviceable limits, bucket teeth and cutting edge replacement based on wear monitoring, and hydraulic cylinder seal kit replacement on higher-hour machines. Glow plug replacement is also a common service item on older Yanmar excavators experiencing cold start difficulties.

Do Yanmar excavators use the same engine as Yanmar agricultural tractors?

Yanmar TNV series diesel engines — the same engine families used in Yanmar mini excavators — are also widely used in Yanmar agricultural tractors, compact utility vehicles, generators, and marine engines. This cross-application use of Yanmar TNV engines across multiple product lines means that engine service and repair parts for Yanmar excavator engines are available through a broader supply network than excavator-specific OEM channels alone — including Lucas Parts — potentially at more competitive pricing than excavator-specific dealer pricing. If you need engine service parts for your Yanmar excavator, our team can identify the correct parts from your engine series and serial number.

Do you supply swing bearing replacements for Yanmar excavators?

Yes. Swing bearings are one of the most significant repair items on any excavator including Yanmar compact and mini excavators. We supply aftermarket swing bearing replacements for the most commonly operated Yanmar excavator models in Australia. Signs of a worn or failing Yanmar excavator swing bearing include excessive play or wobble in the upper structure during slewing, abnormal noise or grinding during swing operation, and visible grease leakage from the swing bearing seal. Contact our team with your Yanmar model and serial number for swing bearing availability and pricing.

How long does delivery take?

Delivery timeframes depend on your location and whether the part is in local stock or needs to be sourced. We will always provide you with a clear lead time before you confirm your order so there are no surprises.

Are your Yanmar excavator parts covered by a warranty?

Yes. All Yanmar excavator parts supplied by Lucas Parts carry a warranty. Speak to our team for specific warranty terms applicable to the part you are purchasing.

Can I order Yanmar excavator parts online?

Yes. You can browse and order through our website at lucasparts.com.au, or call us on 1300 987 300 for personalised assistance.