Small Excavator Drive Sprocket Undercarriage Part for Hitachi EX30
Durable and precisely machined drive sprocket designed for Hitachi EX30 mini excavators. Made from high-strength alloy steel, it ensures reliable torque transfer and optimal track engagement, even under tough working conditions. Ideal for consistent performance and extended undercarriage life.
| Material | 50Mn/40MnB |
|---|---|
| Surface Hardness | HRC53-58,deepth: 8-12mm |
| Colors | Black or yellow or customized |
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Kinton Parts is trusted by professionals worldwide for delivering high-quality parts for excavators, bulldozers, and other construction machinery—with guaranteed performance and durability.
The EX30 drive sprocket plays a crucial role in your small excavator’s undercarriage, directly influencing its ability to move smoothly and efficiently across all terrains. Designed and manufactured to match original equipment dimensions and specifications, this drive sprocket guarantees a perfect fit and reliable service life — whether you’re tackling tough clay, gravel, sand, or agricultural soil conditions.
Using high-strength alloy steel and advanced casting techniques, this sprocket is made to handle heavy workloads while resisting wear, shock, and bending. The result is a durable component that performs under pressure and minimizes maintenance, allowing you to maximize productivity on your job site.
Material and Heat Treatment — Built to Handle Extreme Conditions
The EX30 drive sprocket is forged from high-grade steel carefully selected for its toughness and wear resistance. To further enhance its durability, we apply precision heat treatment to harden the surface while retaining a tough, shock-absorbing core.
This specialized process results in a sprocket that can:
- Withstand high loading conditions without deforming
- Resist abrasion and pitting from sand, gravel, and clay
- Provide a strong and reliable engagement with the track links
Every tooth is designed with an optimized profile to maximize contact and minimize stress on the chain — extending the service life of both components.
Tooth Rough Machining
The sprocket blank is machined on a CNC lathe or gear hobbing machine to form the basic tooth profile.
Precision Machining
The inner ring is inserted and the entire part is precisely machined to ensure concentricity and dimensional accuracy.
Drilling
Mounting and lubrication holes are drilled to meet the installation and functional requirements.
Tooth Grinding & Finishing
After heat treatment, the sprocket teeth are ground or polished to remove burrs and ensure smooth engagement.
Surface Cleaning
The sprocket undergoes surface cleaning, removing scale and residue, preparing it for surface treatment.
Painting & Final Coating
The sprocket is coated with durable industrial paint (available in various colors), providing corrosion resistance and a clean, professional appearance.
Compatibility and Applications
Compatibility — Perfect Fit for Your Small Excavator Model
This drive sprocket is specifically designed for the Hitachi EX30 and related models, including EX30-2 and EX30-3.
It directly fits the original dimensions and mounts smoothly with your track components, reducing installation time and effort.
If you’re unsure whether it’s compatible with your machine, please provide us with your excavator’s model and Serial Number, and we can quickly check for you.
Applications — Small Excavator Operations
The EX30 drive sprocket is designed to perform under a range of small excavator applications, including:
- General Construction: Loading, trenching, backfilling, and utility installation.
- Landscaping: Grading, soil preparation, and small-scale land clearing.
- Agricultural Work: Digging irrigation ditches, removing stumps, and preparing fields.
Whether you’re maneuvering on gravel, clay, sand, or a mixture of terrains, this drive sprocket delivers consistent power and control, allowing your small excavator to operate at its fullest potential.
OEM Undercarriage Parts for Hitachi
| BRAND | MACHINERY MODEL NUMBER | |||||||
|---|---|---|---|---|---|---|---|---|
| HITACHI-EX/ZAX/ZX | EX30 | EX40 | EX55 | EX60 | EX60-2 | EX60-3 | EX60-5 | EX70 |
| EX75 | EX100 | EX100-3 | EX100-5 | EX120 | EX120-1 | EX120-3 | EX120-5 | |
| EX130-1 | EX200-1 | EX200-2 | EX200-3 | EX200-5 | EX200LC-1 | EX200LC-2 | EX200LC-3 | |
| EX200LC-5 | EX220-3 | EX220-5 | EX270 | EX270-1 | EX270-2 | EX270-5 | EX270LC-1 | |
| EX270LC-2 | EX270LC-5 | EX300 | EX300-1 | EX300-2 | EX300-3 | EX300-5 | EX300A | |
| EX300LC-1 | EX300LC-2 | EX300LC-3 | EX300LC-5 | EX330 | EX370 | EX400-1 | EX400-2 | |
| EX400-3 | EX400-5 | EX400LC-1 | EX400LC-2 | EX400LC-3 | EX400LC-5 | EX450 | EX450-1 | |
| EX450-2 | EX450-3 | EX450-5 | EX450LC-1 | EX450LC-2 | EX450LC-3 | EX450LC-5 | UH07-7 | |
| ZAX30 | ZAX55 | ZAX200 | ZAX200-2 | ZAX330 | ZAX450-1 | ZAX450-3 | ZAX450-5 | |
| ZX30 | ZX33 | ZX38U | ZX40 | ZX55 | ZX60 | ZX70 | ZX75US | |
| ZX120 | ZX130 | ZX160LC | ZX200 | ZX210 | ZX240 | ZX270 | ZX330 | |
| ZX360 | ZX400 | ZX450 | ZX470 | ZX500 | ZX650 | ZX850 | ZX870 | |
Looking for a specific make or model not listed here? Reach out and we’ll be happy to assist.
Maintenance Tips — Maximize Your Sprocket’s Lifespan
To prolong service life and avoid premature wear, we recommend:
- Regular Cleaning: Remove soil, gravel, and debris from the undercarriage to reduce abrasion.
- Correct Tension: Check track tension frequently to avoid putting excess stress on the sprocket.
- Controlled Operation: Reduce abrupt direction and speed changes, which can accelerate wear.
- Inspection: Periodically check for worn or damaged components and replace promptly if necessary.
Following these simple practices will help you keep your drive sprocket in peak condition for a longer period, reducing downtime and maintenance expenses.
Quality Control — Strict Inspection for Reliable Performance
Every EX30 drive sprocket undergoes stringent quality control checks to match or surpass original manufacturer standards.
Using specialized equipment, we measure dimensions, hardening depth, and material properties.
This guarantees you a durable, reliable component designed to perform under heavy workloads.
SHIPPING & DELIVERY
At Kinton Parts, we ensure reliable, worldwide shipping of parts for excavators, bulldozers, and a full range of construction machines—safe, fast, and secure.
All products are securely packed using high-quality export cartons, reinforced wooden cases, or industry-standard palletized packaging to ensure maximum protection during transit and smooth handling during unloading.
Standard orders are typically shipped within 3–5 working days, while large or customized orders are usually dispatched within 7–20 days, depending on volume and production requirements.
We offer flexible global shipping options, including:
- International sea freight for cost-effective bulk transport
- Air freight for urgent orders
- Courier delivery (DHL, FedEx, UPS) for small-volume or sample shipments
Our logistics team manages every shipment carefully, providing real-time updates and tracking information until your order arrives safely at your destination.
Need assistance choosing the best shipping method for your location and timeline? Contact our team — we’ll help you plan a smooth delivery experience.
FAQ
Q: What are your main products?
A: We supply a full range of undercarriage and wear parts for excavators, bulldozers, and other heavy equipment. Our product line includes: Track rollers, carrier rollers, front idlers, sprockets, segments, track shoes, track chains, bolt and nuts, pins and bushings, bucket teeth and adaptors, filters, seal kits, swing bearing, and hydraulic cylinder—plus other essential replacement parts.
Q: Which countries do you export to?
A: Kinton Parts exports to over 60 countries worldwide, including:
USA, Canada, UK, Germany, Russia, UAE, Indonesia, Malaysia, Thailand, India, Pakistan, Bangladesh, Sri Lanka, South Africa, Colombia, Peru, and many others.
Q: Can I order a sample?
A: Yes, we accept trial orders. For parts in stock, samples can be shipped quickly. If you have technical drawings or existing samples, we also support customized production and mold development.
Q: How can I track my order after shipping?
A: Once your order is shipped, we will provide you with all necessary tracking information based on the shipping method. For express deliveries, you’ll receive a tracking number to follow the shipment online. For air or sea freight, we’ll send you the relevant documents such as the airway bill (AWB) or bill of lading (B/L), along with the packing list and commercial invoice to help with tracking and customs clearance.
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Trusted by professionals worldwide, Kinton Parts supplies premium-quality components for excavators, bulldozers, and more—with reliable quality you can count on.
