Idler Wheel Undercarriage Component Used on Caterpillar Excavator E305
The E305 idler wheel is a key component of your excavator’s undercarriage. It guides the track chain smoothly, maintains proper track tension, and reduces wear on the track components — allowing your E305 to perform efficiently under tough conditions. Designed with high-strength materials and precision manufacturing, this idler guarantees stability, reliability, and a longer service life.
| Material | 50Mn/40MnB |
|---|---|
| Surface Hardness | HRC53-58,deepth: 8-12mm |
| Colors | Black or yellow or customized |
Quick Quote Request
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 E305 idler plays a crucial role in guiding the track chain forward and backward and keeping it aligned. Positioned at the front of the undercarriage, it absorbs shock and stress to minimize track wear and prevents derailment, all while reducing resistance. This results in smoother movement, less energy consumption, and greater stability on challenging terrains — whether you’re excavating, loading, or maneuvering across rough ground.
Material and Manufacturing Excellence
Our E305 idler wheel is made from high-strength alloy steel to maximize resistance to bending and cracking under heavy workloads. The outer surface undergoes induction hardening to HRC 52-58, adding wear resistance and extending service life.
The manufacturing process comprises:
- Precision Casting: To form a robust base for subsequent processing.
- CNC Machining: To achieve perfect dimensions and proper track chain interaction.
- Induction Heat Treatment: To harden the surface and enhance wear resistance.
- Anti-Corrosion Coating: To protect against rust, clay, sand, and other abrasive conditions.
Summary of Our Manufacturing Process
The following are some real photos of our factory, which reflect the strength and authenticity of our factory.
This photo shows the idler after it has been carefully polished. The smooth surface reduces resistance against the track and minimizes wear.
This photo displays the finished idler safely packaged and ready for delivery, ensuring it reaches you in perfect condition.
Compatible Models and Serial Numbers
The E305 idler is designed to match:
Caterpillar E305 Excavator
Other E Series models with similar undercarriage dimensions
Some typical OEM reference numbers (please check against your own) include:
1R-2209
1R-2208
6Y-2279
If you’re unsure about compatibility, please provide us with your excavator’s model and serial number, and we will quickly match you with the perfect components.
OEM Undercarriage Parts for Caterpillar Excavator
| BRAND | MACHINERY MODEL NUMBER | |||||||
|---|---|---|---|---|---|---|---|---|
| CATERPILLAR-CAT | CAT55 | CAT225 | CAT245 | CAT311 | CAT312 | CAT312B | CAT315 | CAT320 |
| CAT320B | CAT320C | CAT320D | CAT320L | CAT322 | CAT324 | CAT325 | CAT325B | |
| CAT325BL | CAT330 | CAT330B | CAT330BL | CAT330C | CAT330D | CAT345 | CAT345B | |
| CAT973 | E55 | E70 | E70B | E120 | E120-1 | E120B | E140 | |
| E200B | E200-5 | E215 | E240 | E300B | E300L | E311 | E312 | |
| E312B | E320 | E320BL | E320C | E320D | E320DL | E320L | E320S | |
| E322B | E322C | E324 | E324D | E324DL | E325 | E325B | E325L | |
| E329DL | E330 | E330B | E330C | E330D | E330DL | E345 | E345B | |
| E450 | CAT301.5 | CAT302.5 | CAT303.5 | CAT305 | CAT307 | CAT308 | CAT313 | |
| CAT316 | CAT318 | CAT320E | CAT320GC | CAT323 | CAT326 | CAT329 | CAT336 | |
| CAT340 | CAT349 | CAT350 | CAT365 | CAT374 | CAT375 | CAT385 | CAT385CL | |
| CAT390 | CAT390D | CAT390DL | CAT390FL | CAT395 | CAT6015 | CAT6015B | CAT6015D | |
| CAT6020 | CAT6020B | CAT6030 | CAT6030B | CAT6030D | CAT6040 | CAT6040B | ||
Looking for a specific make or model not listed here? Reach out and we’ll be happy to assist.
Application in Extreme Working Conditions
The E305 idler performs exceptionally well in tough conditions — whether you’re working in clay, gravel, sand, or heavy soil. The hardened surface resists abrasion and shock loading, while the robust structure guides the track smoothly under pressure. Whether you’re digging a deep trench, loading material into trucks, or maneuvering across a muddy job site, this idler guarantees stability and reduces wear on adjacent components.
Why Choose Our E305 Idler Wheel?
Choosing our E305 idler means investing in a component that delivers:
- Higher durability: Durable materials and advanced hardening techniques result in a longer service life.
- Precision dimensions: CNC-machining guarantees perfect dimensions, reducing stress on the track and extending undercarriage components’ lifespan.
- Corrosion resistance: An additional protective coating safeguards against rust and erosion, keeping your idler in top condition.
- Lower total cost: Less wear and a longer service life translate into lower maintenance expenses and less downtime.
FAQ — Frequently Asked Questions
Q1: Will this idler match my E305 excavator if I provide you with the Serial Number?
A: Absolutely. Provide us with your excavator’s model and Serial Number, and we’ll match it accurately.
Q2: What material is this idler made from?
A: Our E305 idler is manufactured from high-strength alloy steel and induction hardened for maximum wear resistance.
Q3: How long can I expect this idler to last under normal conditions?
A: The service life typically ranges from 2,000–3,000 hours or more, depending on conditions and maintenance practices.
Q4: Do you provide warranty for this product?
A: We back our idler wheels with a 6-12 months warranty against manufacturing defects. If you encounter any issues, please reach out immediately.
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.
Quick Quote Request
Trusted by professionals worldwide, Kinton Parts supplies premium-quality components for excavators, bulldozers, and more—with reliable quality you can count on.
