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Product Advantage
Overview
Premium aftermarket sprocket assembly PN 84176439 for New Holland combine harvesters. Fully assembled drive sprocket unit, precision machined, heat-treated for high load and long service life. Direct fit replacement, no extra assembly work, keeps harvester transmission system stable during heavy harvesting.
✅ Exact replacement for OEM PN 84176439, perfect fit for New Holland combine harvester
✅ Pre-assembled sprocket unit, ready to install, saves your assembly time
✅ Alloy steel + hardening treatment, high wear resistance & impact resistance
✅ Precise tooth profile, smooth chain meshing, reduce chain jump, noise and abrasion
✅ Stable transmission under heavy load, avoids downtime during harvest peak
✅ Anti-rust surface treatment, good performance in dusty and humid farm environment
✅ Strict dimension inspection, bulk supply for dealers, repair shops and large farms
Technical Parameters
Part Number：84176439
Product Name：Sprocket Assembly / Drive Sprocket Unit
Material：High strength alloy steel
Process：Precision CNC machining, carburizing & quenching for surface hardening
Fitment：New Holland combine harvester (match OEM drawing)
Structure：Pre-assembled unit (sprocket + hub + bearing as original design)
Surface finish：Anti-rust black oxidation treatment
Application：Harvester chain transmission system
Quality：Premium aftermarket replacement, meets OEM dimension standard
Packing：Individual carton / bulk packing for wholesale
Product Uses
Transmission system maintenance & replacement for New Holland combine harvester
Wheat, corn, soybean, rice grain harvesting working condition
Heavy-load continuous harvesting, dusty farm field
Agricultural machinery repair station, spare parts distributor, farm stock-up
Product Operate Guide
Power off the harvester and lock the safety mechanism before disassembly.
Release chain tension, remove the old sprocket assembly.
Clean the installation shaft and check shaft, bearing and chain for excessive wear.
Install new 84176439 sprocket assembly, align the mounting position correctly.
Adjust chain tension properly; too tight will accelerate wear, too loose will cause chain skipping.
Rotate manually to test smooth operation without jamming before formal startup.
Check tension and fastening status regularly during long-hour harvesting.
Q1: Is this sprocket assembly same size as OEM 84176439?
A: Yes, manufactured strictly according to OEM drawing, same dimensions, direct bolt-on replacement.
Q2: Does it come with bearing already?
A: It is a complete pre-assembled sprocket assembly as original structure, ready for installation.
Q3: Is it genuine New Holland original part?
A: Premium aftermarket replacement. Original OEM parts can be supplied upon request.
Q4: What if my harvester model does not match?
A: Please send your harvester model number for compatibility confirmation before ordering.
Q5: What is your MOQ and shipping method?
A: Sample order is acceptable. Bulk order support sea freight, air freight and express delivery. We can provide commercial invoice for customs clearance.
Product Video
