Travel motor reduction 508-1316 final drive for Caterpillar 301.5 301.6 301.7CR 301.8 mini excavator
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Ukraine, Kalush
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Romania
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Denmark, Horsens
Poland, Koziegłowy
Romania
Mexico, Chihuahua
Poland, Koziegłowy
Romania
Poland, Koziegłowy
1. Product Overview
The final drive assembly for the CAT Next Gen mini excavator series is a compact, high-efficiency unit that integrates a two-speed hydraulic travel motor with a precision planetary reduction gearbox. These units are designed to provide the high tractive effort and smooth control required for tight-access construction and landscaping. With 13 years of expertise in hydraulic propulsion, we provide units that match the exact displacement and torque requirements of the Caterpillar 1-ton to 2-ton platforms, ensuring your machine maintains its original climbing and turning capabilities.
2. Comprehensive OEM Part Number Compatibility
This assembly is a direct replacement for several Caterpillar factory part numbers used across the Next Gen mini excavator lineup.
Common Part Numbers:
508-1316, 144-5196, 528-9323, 209-6663, 523-5591, 5081316, 1445196, 5289323, 2096663, 5235591.
Machine Fitment:
Caterpillar 301.5 (Next Gen)
Caterpillar 301.6 (Next Gen)
Caterpillar 301.7 CR (Compact Radius)
Caterpillar 301.8 (Next Gen)
3. Technical Specifications & Performance
Component Type: Integrated Hydraulic Travel Motor + Planetary Gearbox.
Speed Configuration: Supports factory two-speed (High/Low) travel functions for rapid site transport and high-torque digging/climbing.
Reduction System: Multi-stage planetary gears manufactured from hardened alloy steel for maximum service life.
Sealing: High-performance mechanical face seals (floating seals) designed to prevent oil leaks and block the ingress of dirt, water, and abrasive debris.
Mounting: Precision-machined OEM-spec bolt patterns for the sprocket and track frame to ensure a 100% "plug-and-play" installation.
4. Why Partner With a 13-Year Industry Expert?
Next Gen Specialization: We understand the specific hydraulic flow and pressure settings of the CAT Next Gen series. Our units are calibrated to ensure the machine tracks straight and doesn't "drift" under load.
Rigorous Load Testing: Every final drive undergoes a comprehensive hydraulic bench test. We verify high-pressure seal integrity, brake holding power, and smooth two-speed shifting before shipping.
Factory-Direct Value: Access Original New or Premium OEM units at competitive wholesale prices, providing a significant cost advantage over local retail dealerships.
Global Rapid Logistics: Units are secured in reinforced, shock-proof export packaging. Rapid delivery via DHL, FedEx, or UPS typically arrives in 3 to 7 business days.
5. Critical Installation & Maintenance Protocol
Gear Oil Commissioning: Final drives are often shipped without gear oil for safety. You must fill the planetary gearbox with the correct grade and volume of gear oil (typically SAE 80W-90) before operation.
Case Drain Connection: Ensure the case drain line is clear and correctly connected. High backpressure in the motor case is the leading cause of internal seal failure and motor damage.
Contamination Control: If the previous motor failed due to internal breakage, the hydraulic lines and tank must be flushed. Residual metal debris can destroy a new motor almost immediately.
Bleeding Trapped Air: After installation, lift the track off the ground and run the motor at low speed in both directions for several minutes to purge air from the hydraulic circuit.
6. Ordering & Professional Support
Fitment Verification: Please provide your Machine Serial Number (e.g., Prefix JH7, LBB, or NB7) and a photo of your existing unit's nameplate to ensure 100% accuracy.
Instant Quote: Contact us today for up-to-date pricing, tiered quality options, and current stock status.
Technical Guidance: Our expert team is available 24/7 to provide professional advice on installation, hydraulic pressure settings, and undercarriage troubleshooting.