84586919 47923177 87588897 Final Drive for New Holland C185 C190 High-Torque CTL Travel Motor & Gearbox

The Final Drive and Travel Motor Assembly (84586919, 47923177, & 87588897) is the high-performance propulsion unit engineered for the New Holland C185 and C190 Compact Track Loaders (CTL). Designed for these large-frame "beasts of burden," this assembly integrates a heavy-duty two-speed hydraulic motor with a precision-engineered planetary gearbox to provide the massive tractive effort and smooth maneuverability required for site clearing, grading, and heavy material handling.

Restoring the "Push" to Your New Holland Loader The New Holland C185 and C190 are legendary for their vertical lift and massive breakout force. However, that power is useless if it can't reach the tracks. The 84586919 Final Drive is the critical link that translates high-pressure hydraulic flow into the drawbar pull needed to push into a pile or navigate thick mud.

If your loader is "wandering" or struggling to climb onto a trailer, your final drive is likely suffering from internal pressure bypass. Our premium 47923177 replacement units are built with forged steel housings and induction-hardened planetary gears to handle the extreme shock loads of heavy construction. Replacing your worn unit restores synchronized track speed and maximizes your machine’s uptime.

• The C185/C190 series is a staple in diverse global markets, and our drive assemblies are optimized for these conditions:

  • North America (USA & Canada): Built to withstand the high-vibration environment of Forestry and Land Clearing. These units are designed to maintain integrity during the rapid temperature shifts of snow removal operations.

  • Australia & Oceania: Features reinforced "Heavy-Duty" floating seals to keep out the abrasive red dust and sandy soils common in the Australian outback and civil construction sites.

  • Europe: Meets the demand for precision infrastructure work, offering the smooth two-speed shifting required for rapid transport across confined European job sites.

  • Southeast Asia: Engineered with anti-corrosive coatings and enhanced sealing to prevent moisture and mud ingress in tropical, high-humidity environments.

A CTL final drive lives in a "hostile" environment. Following these protocols is the only way to ensure your investment lasts:

• The Case Drain Protocol: Before starting the machine, ensure the case drain line is clear. A blocked case drain is the "silent killer" of CTL motors, causing an immediate pressure spike that blows the main shaft seal.

• Gear Oil Schedule: Change the planetary gear oil every 500 operating hours. For machines working in water or deep mud, check the oil more frequently for a "milky" appearance, which indicates water contamination.

• Sprocket Bolt Torque: Due to the high torque of the C190, sprocket bolts are under immense stress. Always use new grade-8 bolts and a high-strength thread locker to prevent catastrophic flange damage.

• Initial Priming: Never run the new motor "dry." Fill the motor case with clean hydraulic oil through the highest port before starting the engine to ensure internal lubrication from the very first rotation.

Guangzhou Tieqi Construction Machinery Co., Ltd. (IRON CAVALRY) is strategically located in Guangzhou's Huangpu District, approximately an hour from Baiyun International Airport. We have been a dedicated specialist in engineering machinery hydraulics for nearly 15 years.

Driven by our core values of "Pragmatism and Progress," we are committed to delivering practical solutions and upholding our responsibilities. This principle-driven approach defines all our operations and client partnerships.

In China's excavator hydraulic assembly sector, our efficient execution and rigorous approach to manufacturing every product to meet over 95% of original performance specifications have built widespread trust. This has made us a destination for industry peers and clients seeking knowledge and reliable supply.

Our capability is backed by a ready inventory of over 500 assembly types, providing access to more than 6,000 different parts. Hydraulic pump, control valve, travel, and swing assemblies are our core products, with a distinct advantage in large mining excavator components and hard-to-find items.

Our 4,000-square-meter factory in Guangzhou is equipped for professional manufacturing, precision assembly, rigorous testing, and quality certification, ensuring reliable performance and timely delivery for every order.

For large items, we use sturdy plywood crates secured with metal fasteners for added stability. Inside, the products are cushioned with bubble wrap and secured with wooden braces, while special attention is given to protecting vulnerable parts. Externally, the crates are reinforced with high-strength PET plastic strapping and wrapped in highly waterproof black film.

• One-stop solution provider for all your hydraulic component needs
• High-quality products at competitive prices
• Exceptional customer service that makes you feel at home
• Large inventory, short delivery times, and long warranty periods
• Professional expertise with accurate part number identification for excavator components