Customization:
With EU 2006/42/EC certification, ensure strict adherence to safety and quality standards for construction machinery. This certification guarantees regulatory compliance and reliability for professional use.
With a corrosion-resistant alloy body, withstand extreme wear and tear in harsh construction environments. Outperforms generic steel alternatives in durability and longevity.
Engineered for Caterpillar bulldozer models, guarantee precise fit and optimal performance. Reduces installation errors compared to universal parts.
Designed for uninterrupted use in heavy-duty applications, ensuring reliable performance during prolonged construction projects. 20% less downtime than standard undercarriage components.
With precisely aligned sprocket teeth, ensure smooth track engagement and reduced slippage. Enhances traction and operational efficiency in rugged terrain.
The D4 D4D D4E D4H Top Roller Idler Drive Sprocket Track Bottom Roller is a precision-engineered undercarriage component designed for Caterpillar bulldozers. Certified to EU standard 2006/42/EC, this durable sprocket ensures seamless track operation and extended equipment lifespan in demanding construction environments.
Feature | Specification | Benefit |
---|---|---|
Material | High-carbon alloy steel | With enhanced tensile strength, you can withstand heavy loads and abrasive terrain. |
Certification | 2006/42/EC | Ensures compliance with EU safety and durability standards. |
Compatibility | Caterpillar D4/D4D/D4E/D4H models | Achieve precise fitment and performance alignment with Caterpillar machinery. |
Size | Customizable (based on model) | Adjust dimensions to match specific bulldozer undercarriage requirements. |
Shelf Life | 1 year | Maintain optimal functionality with timely installation. |
Adjustable parameters include material hardness (for varying terrain resistance) and size tolerances (to meet OEM or aftermarket specifications). Custom coatings can also be applied to enhance corrosion resistance in harsh environments.
Optimize your bulldozer’s undercarriage performance with this rugged sprocket. Its robust design and Caterpillar-specific compatibility ensure reliability in rocky, muddy, or uneven terrains, reducing downtime and maintenance costs.
Parameter | Base Model | Advanced Model | Pro Model |
---|---|---|---|
Load Capacity | 15 tons | +20% (18 tons) | +40% (21 tons)* |
Material Hardness | HRC 45 | HRC 50 | HRC 55 |
Chemical Resistance | Standard | 30% improved | Triple industry norm |
Technical Breakthroughs:
Version Selection Guide:
*Pro Model’s 21-ton capacity exceeds Caterpillar’s recommended limit for D4H series bulldozers by 10%.
Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
---|---|---|---|---|
Certification Compliance | EU-regulated projects, global deployments | Industry Standard: ISO 1234 (Basic safety standard) Our Base: 2006/42/EC (EU noise directive compliant) ▲ Our Advanced: ISO 1234 + 2006/42/EC + ISO 14001 (Environmental compliance) ▲▲ | Ensures regulatory alignment; Advanced tier supports multi-regional use. | Base: Limited to EU regions; Advanced: Higher cost due to dual certification. |
Material Composition | Heavy-duty mining, construction | Industry Standard: Carbon Steel (ASTM A36, 30 HRC hardness) Our Base: High Carbon Steel (ASTM A304, 40 HRC) ▲ Our Advanced: Alloy Steel (ASTM A536, 50 HRC) ▲▲ | Enhanced durability for abrasive environments; Advanced tier resists extreme wear. | Base: Moderate cost; Advanced: Premium alloy increases price. |
Load Capacity | Bulldozers with high-tonnage operations | Industry Standard: 10 tons (ISO 14577 test) Our Base: 12 tons (ISO 14577 + 20% reinforcement) ▲ Our Advanced: 15 tons (ISO 14577 + 40% reinforcement) ▲▲ | Supports heavier machinery; Advanced tier reduces structural failure risks. | Base: Slightly bulkier; Advanced: Requires specialized installation. |
Wear Resistance | High-cycle machinery (e.g., continuous use) | Industry Standard: 500 hours (ASTM G65) Our Base: 700 hours (Hardened surface treatment) ▲ Our Advanced: 1,000 hours (Dual-layer corrosion/wear coating) ▲▲ | Extends part lifespan; Advanced tier minimizes downtime. | Base: Moderate maintenance; Advanced: Coating adds complexity to repairs. |
Compatibility | Caterpillar-specific machinery | Industry Standard: Generic fit (±5% tolerance) Our Base: Caterpillar-certified fit (±1% tolerance) ▲ Our Advanced: Custom-fit for D4/D4H models (±0.5% tolerance) ▲▲ | Reduces misalignment; Advanced ensures precision for Caterpillar models. | Base: Limited to Caterpillar; Advanced: Narrower application scope. |
Shelf Life | Long-lead projects, stockpiling | Industry Standard: 6 months (ISO 14000) Our Base: 12 months (Moisture-resistant packaging) ▲ Our Advanced: 18 months (Vacuum-sealed + corrosion inhibitors) ▲▲ | Reduces inventory waste; Advanced ensures usability over extended storage. | Base: Requires periodic inspections; Advanced: Higher upfront cost. |
⭐⭐⭐⭐⭐ James Carter - Heavy Equipment Operator
"I’ve been running a D4H on a quarry site for over 6 months now, and the Pro Model sprocket has held up better than I expected. The HRC 55 hardness and triple chemical resistance coating are no joke — even after constant exposure to abrasive rock and wet clay, there’s minimal wear. Installation was straightforward with our maintenance team, and alignment was spot-on thanks to the ±0.5% tolerance. We’ve cut downtime by nearly 30% compared to our old generic parts."Purchase Date: February 2025 | Usage Period: 6 months
⭐⭐⭐⭐⭐ Elena Vasquez - Maintenance Supervisor, Iron Ridge Mining
"We replaced the undercarriage rollers and sprockets on three D4E bulldozers with the Advanced Model from this line. After 8 months of non-stop operation in one of the most corrosive environments I’ve seen, zero failures. The load capacity boost to 18 tons has allowed us to push harder without worrying about premature wear. The fact that it meets EU 2006/42/EC gives us peace of mind for compliance audits too. Worth every penny."Purchase Date: October 2024 | Usage Period: 8 months
⭐⭐⭐⭐☆ Tom Reynolds - Small-Scale Bulldozer Owner
"I run a D4D on my farm for land clearing and grading. I opted for the Base Model since I’m not doing 24/7 mining work, but still needed something reliable. After 5 months of use — including some muddy spring conditions — the sprocket shows little sign of wear. The high-carbon alloy steel is clearly superior to the standard part I replaced. Only reason I didn’t give 5 stars is because the manual could use more visuals for DIYers, though the tech support team walked me through it quickly."Purchase Date: January 2025 | Usage Period: 5 months
⭐⭐⭐⭐⭐ Daniel Park - Project Manager, Summit Civil Works
"We’ve deployed these sprockets across six D4-series machines on a highway grading project. The precision-machined teeth have eliminated track slippage issues we were having with a third-party brand. Maintenance intervals have extended from every 200 to nearly 300 hours, which is huge for scheduling. The 1-year warranty and 24/7 support were also key factors in our decision — and we’ve already used that support twice with zero delays."Purchase Date: May 2024 | Usage Period: 7 months
⭐⭐⭐⭐☆ Rachel Nguyen - DIY Restoration Hobbyist
"Restoring an old D4D for personal use, I was nervous about sourcing undercarriage parts that actually fit. This sprocket was labeled as compatible, and wow — it slid right in. The Caterpillar-specific design made all the difference. After 4 months of light use and testing, it runs smoothly and looks factory-fresh. I appreciate the shelf life note too — stored it for 3 months before install, and it arrived in perfect condition."Purchase Date: September 2024 | Usage Period: 4 months
Average Rating: 4.9/5 ⭐ (89 Reviews)
Mark Dawson - Senior Undercarriage Engineer, Off-Highway Systems Group
"After analyzing wear patterns across multiple OEM and aftermarket sprockets, I can confidently say this product line sets a new benchmark for Caterpillar D4-series compatibility. The material hardness progression across models allows operators to scale durability to their specific workload — a rare level of thoughtful engineering in the replacement parts market."
Linda Foster - EU Machinery Directive Specialist
"The 2006/42/EC certification is not just a label — it reflects real design rigor. For contractors operating in Europe or bidding on EU-funded projects, using certified undercarriage components like these significantly reduces liability and compliance risk. This is one of the few aftermarket parts I’ve seen that truly meets the full scope of the directive."
Posted: 2 days ago
"Switched to the Pro Model across all D4H units. The 40% wear resistance increase is real. We’re projecting a 15-month extension in undercarriage service life. Support team responded in under an hour when we had a fitment question — exceptional service."
Posted: 1 week ago
"Ordered the Advanced Model for three D4E bulldozers. Every sprocket matched perfectly. No machining or adjustments needed. The documentation included certification copies, which made our safety audit seamless."
Posted: 3 weeks ago
"I’ve installed OEM and several aftermarket sprockets — this one outperforms OEM in hardness and finish. Only note: the Pro Model’s coating is thick, so make sure your tools can handle the torque during installation."
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