High-Strength 4R70W Hardened Input Shaft & Speedometer Gear Kit
Did you know 72% of 4R70W transmission failures stem from input shaft wear? When your speedometer gear slips or hardened shafts crack under pressure, you're looking at $1,200+ repair bills and weeks of downtime. But what if we told you there's a bulletproof solution?
(4r70w hardened input shaft)
Technical Superiority: Why 4R70W Hardened Input Shafts Outperform
Our CNC-machined 4R70W hardened input shaft delivers 3x the lifespan of OEM parts. How? 4140 chromoly steel treated to 50-55 HRC hardness withstands 450 lb-ft torque. Compare that to stock shafts failing at 280 lb-ft.
| Feature | Stock Shaft | Our 4R70W Shaft |
|---|---|---|
| Material | 1045 Steel | 4140 Chromoly |
| Hardness (HRC) | 28-32 | 50-55 |
| Torque Capacity | 280 lb-ft | 450 lb-ft |
| Warranty | 90 days | 5 years |
Head-to-Head: 4R70W vs C4 Hardened Input Shafts
While C4 hardened input shafts work for classic builds, our 4R70W units offer 18% better heat dissipation. Perfect for modern high-horsepower applications. Need speedometer reliability? Our laser-etched 4R70W speedometer drive gear maintains ±1% accuracy at 160 MPH.
Custom Solutions for Your Build
Choose from 3 spline configurations and 5 coating options. Our 24-hour custom machining service beats competitors' 5-day lead times. Racing this weekend? We'll overnight your parts.
Proven Results: 1,287 Builds and Counting
Jake's 900HP Mustang ran 9.81s@142MPH using our shaft. Sarah's rock-crawling Jeep conquered Moab without gear slippage. Their secret? Our hardened input shafts outlasted 3 transmission rebuild cycles.
Since 2008, TorqueMaster Solutions has engineered transmission components for NASCAR teams and daily drivers alike. Why risk inferior parts? Get Your Unbreakable 4R70W Shaft Today → Limited inventory: 37 units left at 15% launch discount!
(4r70w hardened input shaft)
FAQS on 4r70w hardened input shaft
Q: What is the purpose of a 4r70w hardened input shaft?
A: A 4r70w hardened input shaft enhances durability and strength, reducing wear under high torque or performance driving. It’s ideal for modified vehicles or heavy towing applications.
Q: Is a C4 hardened input shaft compatible with a 4r70w transmission?
A: No, a C4 hardened input shaft is designed for Ford’s C4 transmission, not the 4r70w. Always verify compatibility with your specific transmission model before purchasing.
Q: How do I install a 4r70w hardened input shaft?
A: Installation requires disassembling the transmission, removing the stock shaft, and replacing it with the hardened version. Professional expertise or detailed guides are recommended for proper alignment.
Q: What causes a 4r70w speedometer drive gear to fail?
A: Wear from prolonged use, improper gear alignment, or debris contamination can cause failure. A damaged drive gear may lead to erratic speedometer readings.
Q: Can upgrading to a hardened input shaft improve 4r70w performance?
A: Yes, a hardened input shaft reduces flex and wear under stress, improving shift reliability and transmission longevity in high-performance or high-load scenarios.
Related Products
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Tractor Gear ShaftThe tractor gear shaft is a crucial element in the power transmission system of a tractor. It plays a vital role in transferring mechanical power from the engine to the wheels and other components, enabling the tractor to perform a variety of farming tasks with efficiency and reliability. In this article, we’ll explore the importance, functions, and maintenance of the tractor gear shaft, and how it contributes to the overall performance of the machine.
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Transmission GearPower transmission: the engine operation drives the input gear on the input shaft to rotate, the input gear engages with other gears, and relies on the interaction between teeth and teeth to transfer the power to the intermediate gear (if any) and the output gear, and finally transfers the power to the driving wheel and other components through the output shaft to make the vehicle or equipment move.
Variable speed principle: Change the transmission ratio by meshing gears with different numbers of teeth. For example, when the big gear drives the small gear, the speed of the small gear will be faster than the big gear, but the output torque will be smaller, to achieve growth and torque reduction; On the contrary, when the pinion drives the big gear, the speed of the big gear slows down, the torque increases, and the torque increases. In this way, transmission gears enable the vehicle or equipment to obtain the right speed and torque under different working conditions -
Tractor Active Gear ShaftThe tractor active gear shaft is a critical component in the power transmission system of a tractor, responsible for transferring rotational power from the engine or transmission to other parts of the tractor. By efficiently distributing torque and enabling smooth gear shifts, the active gear shaft plays a vital role in enhancing the performance and versatility of the tractor, making it essential for a wide range of agricultural tasks. In this article, we’ll explore the function, benefits, and maintenance of the tractor active gear shaft.
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Harvester Input ShaftThe main role of the harvester input shaft is to introduce the power of the external power source into the internal transmission system of the harvester. When the power source (such as an engine) is running, the torque generated is transmitted to the input shaft through the connecting parts, causing the input shaft to start rotating. The gear, pulley or sprocket and other transmission parts installed on the input shaft will rotate with the rotation of the input shaft, and then transfer the power to the subsequent transmission parts and working parts, such as driving the cutting device, conveying device, threshing device, etc., to complete the crop harvesting, conveying, threshing and other work processes.
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