366-9777 final drive for Caterpillar 307D 308E CR SR mini excavator
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+86 199 2461 6345
China
China
Poland, Koziegłowy
Romania
Romania
Romania
Mexico, Chihuahua
Poland, Koziegłowy
Romania
Romania
Poland, Koziegłowy
Ukraine, Kalush
Romania
Romania
Poland, Koziegłowy
Poland, Koziegłowy
Romania
Romania
Romania
此行走马达（零件号 366-9777）是 CAT 7-8 吨级挖掘机的核心驱动部件。我已将 OEM 编号、多机型兼容性及全球交付优势进行了深度整合。
[SEO Meta Data]
Meta Title: CAT 307D 308D 308E Final Drive Travel Motor | 366-9777 Expert
Meta Description: High-torque Final Drive Travel Motor for CAT 307D, 308D, 308E CR/SR. Part 366-9777. 13-year factory expertise, multiple quality tiers, fast global shipping.
[Product Title / H1]
Final Drive Travel Motor Assembly for CAT 307D 308D 308E CR SR Mini Excavator | Part No. 366-9777 3669777
1. Product Core Overview
Engineered for Precision & Power: This final drive is specifically designed for Caterpillar’s 7-8 ton high-performance excavators, providing the high torque output needed for heavy climbing and consistent travel speeds.
13-Year Industry Authority: Produced and supplied by a professional factory with 13 years of specialization in excavator undercarriage systems and hydraulic transmission.
Seamless OEM Compatibility: A 100% direct-fit replacement for Caterpillar part number 366-9777 and 3669777, matching original factory mounting dimensions and hydraulic specifications.
2. Technical Specifications & Compatibility
Product Name: Final Drive Travel Motor Assembly / Track Motor
Part Number: 366-9777 / 3669777
Machine Compatibility:
CAT 307D
CAT 308D, 308D CR
CAT 308E, 308E CR, 308E SR
Core Build: Features reinforced planetary gear sets with high-grade heat treatment and precision hydraulic motor components for maximum wear resistance.
Quality Tier Options: Genuine Original, Premium OEM Grade, and High-Performance Aftermarket.
Performance Testing: 100% dynamic load-tested for dual-speed functionality, brake efficiency, and oil seal integrity.
3. Why Partner with a 13-Year Professional Service?
Technical Mastery: We understand the specific gear ratios and back-pressure requirements of the CAT 308 series, ensuring our drives prevent common issues like "low travel power" or "track drifting."
Comprehensive Parts Ecosystem: Our expertise covers the entire machine—from final drives and pumps to undercarriage and all-body parts—supporting all major brands (CAT, Volvo, Komatsu, Sany, etc.).
Flexible Quality Selection: We provide multiple quality tiers—from original premium units to cost-effective, high-durability aftermarket options—to match your budget.
Direct Factory Prices: Buy directly from the source to get competitive wholesale pricing and first-hand technical support.
Proven Global Trust: Trusted by equipment owners, rental fleets, and repair workshops worldwide for consistent quality.
4. Rapid Global Delivery & Logistics
We prioritize speed to get your equipment back to work:
Express Delivery: Rapid door-to-door shipping via DHL, FedEx, UPS, and TNT (Typical arrival: 3-7 business days).
Air Freight: Efficient airport-to-airport delivery for urgent, high-priority travel motor orders.
Sea Freight: The most economical shipping method for bulk stock orders and large-scale inventory replenishment.
Secure Export Packaging: Every final drive is secured in a reinforced, shock-proof wooden crate to ensure it arrives in factory-perfect condition.
5. Ordering & Professional Support
Fitment Verification: Please share your machine's serial number or a photo of the travel motor nameplate to ensure 100% fitment accuracy.
Real-Time Quote: Contact us today for up-to-date pricing, tiered quality options, and current stock status.
Maintenance Guidance: Our technical team is available 24/7 to provide advice on hydraulic line connections, system bleeding, and final drive gear oil intervals.