Name: Caterpillar (CAT) 307 308 E70 Bottom Track Roller 127-3806 (Fit Caterpillar (CAT) 307D 308D Mini Excavator)
Brand: FL Undercarriage
Price: 220.0 USD
Availability: InStock

1 1

Caterpillar (CAT) 307 308 E70 Bottom Track Roller 127-3806 (Fit Caterpillar (CAT) 307D 308D Mini Excavator)

Basic Info.

Item Fit: Caterpillar (CAT) 307D 308D
Item Condition: New
Item Weight: 36 lbs
Item Maker: FLundercarriage
Place of Origin: Quanzhou

Delivery Info.

Inventory Class: Standing
Packaging: Carton/Pallet
ETD: 24-72 Hours
ETA: 5-30 Days

Enhance Your Excavator's Durability and Stability

Upgrade your Caterpillar mini excavators with our robust 127-3806 Bottom Roller Assembly. This aftermarket part is designed for external guidance, ensuring your tracks stay aligned and reducing the risk of de-tracking.

Key Features:

External Guide-type Roller: Designed to run along the track guide system, the outside flanges maintain track alignment.
Compatibility Warning: Note that some models incorporate both inside guide-type rollers (with a center flange) and outside guide-type rollers. Ensure you select the correct type to match your existing set-up.

Model Compatibility:

The 127-3806 Bottom Roller Assembly fits numerous Caterpillar models, including:

Caterpillar® 307 series (307, 307A, 307B, 307C* Serial-Specific, 307D, 307E, 307E2)
Caterpillar® 307E FB (S/N H1Y)
Caterpillar® 307E2 FB (S/N CE2, KC9)
Caterpillar® 308 series
Special Compatibility with steel track models: Caterpillar® 308E2CR (S/N TMX, FJX), Caterpillar® 308E2CR VAB (S/N W8S)
Caterpillar® 309, E70, E70B
Additionally, Caterpillar PM465 Paving Machine (20)

*Note: For some 307C and 308CCR models, verify your serial number as an alternative part (383-6936) may be required.

Important Information:

Serial Verification: Always check your serial number against our list to ensure compatibility.
Roller Quantity Variance: Depending on your excavator's serial prefix, the number of bottom rollers required can differ (either eight or ten rollers).

Serial Prefix & Roller Number:

8 Rollers: Serial prefixes (2FL, 2PM, 2WM, 9ZL, AFB)
10 Rollers: Serial prefixes (CRW, BNE, BCM, BAJ, 4RW, 5CW, 6KZ, 7DZ, JPS, HAS, GBT, FYC, ECT, DSG, 3YS)

Alternate Part Numbers:

Caterpillar Dealer Part Number: 127-3806 (replaces BA4310800)

Maintenance Tips:

Concurrent Replacement: For optimal performance and durability, we advise changing undercarriage parts and rubber tracks concurrently.

Installation Advice:

Matching Types: If your equipment utilizes both inside and outside guide-type rollers, ensure the replacements align with the existing configuration within the same track frame positions.

The 127-3806 Bottom Roller Assembly is an indispensable upgrade for maintaining the efficiency and longevity of your Caterpillar mini excavators. Trust in its design and compatibility for a seamless and reliable performance.

Product variants

274 in stock

View full details

Flundercarriage Show

Why Choose FL Undercarriage

20+ Years Experience
100+ Dealers Globally
300000+ stock Keeping units
50000000+ USD Annual sales

Fulian's bottom rollers are crafted for superior durability and exceptional performance. Engineered with high-quality materials and precision manufacturing, they reduce wear and ensure smooth operation, even in the toughest conditions. Designed to fit various excavator models, Fulian's bottom rollers provide long-lasting reliability, making them an ideal choice for minimizing maintenance costs and maximizing machine uptime.
Our parts are compatible with a wide range of machinery brands, including Bobcat, Caterpillar, Case, Doosan, GEHL, Hitachi, Hyundai, IHI, Kubota, Kobelco, Komatsu, Pel-Job, Takeuchi, and Volvo. Whether you need reliable components for construction, mining, or agricultural equipment, our selection ensures a perfect fit and optimal performance for these leading brands.