JCB 802 802.4 802.7 Final Drive Travel Motor Compact Mini Excavator Gearbox

The JCB 802 Series Final Drive Assembly is the precision-engineered propulsion unit for the 802, 802.4, and 802.7 mini excavator range. Designed for the 2.5 to 3.0-ton machine class, this unit integrates a high-speed hydraulic piston motor with a multi-stage planetary gearbox, providing the nimble tracking and reliable climbing power required for tight-access utility work, landscaping, and urban construction.

Precision Tracking for Confined Spaces The JCB 802 series is a favorite for its balance of power and compact footprint. However, the final drive is often the most abused component due to its proximity to mud, grit, and high-torque demands. If your machine is "wandering" to one side or losing power when tracking uphill, your travel motor is likely bypassing pressure internally.

Our premium replacement units are designed to match JCB’s specific hydraulic flow curves. Featuring induction-hardened gears and high-load bearings, this assembly eliminates the "sluggish" feeling of an aging motor and ensures your machine maintains its synchronized, straight-line travel. Replacing a worn drive with our precision assembly restores the factory-standard breakout force needed for aggressive counter-rotation and trenching.

These JCB mini-excavators are global staples, and our drives are optimized for:

• UK & Europe: As the "home market" for JCB, our drives meet the rigorous durability standards required for high-intensity utility and civil works across the continent.

• North America: Engineered for the Rental and Landscaping sectors, ensuring long-term reliability even with multiple operators and high-vibration work environments.

• Southeast Asia & Oceania: Features reinforced "Duo-Cone" floating seals to prevent the ingress of abrasive sandy soils and tropical mud, which are notorious for destroying gearbox internals.

• The Case Drain Warning: The most common cause of motor failure in JCB mini-excavators is case drain backpressure. Before installing a new motor, ensure the case drain line is clear and the filter is replaced. A blockage here will blow the shaft seal within minutes.

• Gear Oil Management: Change the planetary gear oil every 500 operating hours. Check for a "milky" appearance frequently—this indicates water ingress that will quickly grind down your gear teeth.

• Sprocket Bolt Maintenance: These machines exert significant vibration. Always use new bolts with a high-strength thread locker to prevent the sprocket from working loose and damaging the drive flange.

• System Priming: Never run a new motor "dry." Fill the motor case with clean hydraulic oil through the highest port before starting the engine to ensure instant lubrication.

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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