195-27-00604 195-27-00614 Final Drive & Travel Motor Assembly for Komatsu D375A-5 | Mining Grade Bulldozer Propulsion Spare Parts

he Final Drive and Travel Motor Assembly (195-27-00604 & 195-27-00614) is the high-torque power hub of the Komatsu D375A-5 crawler dozer. Engineered for 100-ton class machinery, this multi-stage planetary gearbox is designed to handle the absolute limits of drawbar pull, ensuring the D375A-5 can perform heavy ripping and overburden stripping in the world's most unforgiving mining environments.

Maximum Torque for Extreme Ripping The Komatsu D375A-5 is a cornerstone of the mining industry, and its productivity is measured by its "push." The 195-27-00604 / 195-27-00614 Final Drive is the final link in the powertrain, responsible for multiplying engine torque into ground-shredding force.

In a machine this size, the final drive is subjected to constant shock loads—particularly during heavy ripping of hard-rock formations. Our premium aftermarket units are engineered to exceed these stresses. By using precision-lapped sun gears and reinforced planetary carriers, this assembly eliminates internal pressure spikes and reduces heat buildup, preventing the "metal fatigue" that often leads to catastrophic failure in large-scale operations.

The D375A-5 operates in high-stakes mining zones where downtime can cost thousands per hour. Our drives are optimized for:

• Australia & Oceania: Features reinforced "Mining-Grade" floating seals to keep out the ultra-fine, abrasive red dust of the Pilbara, protecting the precision gears from premature scoring.

• CIS Regions (Russia, Kazakhstan): Built with "Arctic-Spec" metallurgy, ensuring the forged housing remains ductile and resistant to cracking during high-torque starts in sub-zero Siberian winters.

• Africa & Middle East: Optimized for thermal stability. The internal oil flow paths are designed to keep gear temperatures stable even during 24/7 shifts in high-ambient desert heat.

• The Americas: Ideal for high-altitude copper and gold mines where consistent hydraulic efficiency and reliable braking performance are critical for safe operation on steep ramps.

When dealing with a 100-ton dozer, "preventative maintenance" is your most profitable strategy.

• Magnetic Plug Forensic Check: Regularly inspect the magnetic drain plug. While fine metallic "fuzz" is normal wear, any distinct silver flakes or chunks are a "stop work" indicator. Early detection can save the entire planetary set.

• Gear Oil Discipline: Dozers often work on steep inclines. Ensure your gear oil is always at the full mark; a few liters low can cause the top planetary gears to run dry during a long uphill push, leading to immediate overheating.

• The Seal Leak "Red Flag": Because dozers push dirt into the final drive area, leaks are often hidden. If you see oil weeping onto the track frame, replace the floating seal immediately. Once abrasive grit enters the gearbox, the gears are on a countdown to failure.

• Sprocket Bolt Torque: High-torque operations can stretch bolts. Always use new Grade 10.9+ bolts and follow the Komatsu multi-stage torque and angle specifications to prevent catastrophic flange damage.

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