CAT279-304-1894 Rear Idler for Caterpillar

1. Guaranteed Fit Models: Caterpillar 279C, 279C2, 279D, 279-D3; 289C, 289D, 289D3; 299C, 299D3; 259-B3, 259D, 259D3. Fits B/C/D series steel undercarriage systems, no extra modifications needed.

2. Part Information: Main part no.: 304-1894; Corresponding dealer part no.: 536-3550;  It's a premium aftermarket replacement for Caterpillar compact track loader undercarriage, matching original specs.

3. Model Distinction Tip: It's a single-flange rear idler (1 per side) located at the undercarriage rear, below the sprocket. Confirm your undercarriage option and part number before ordering—avoid confusing with double/triple-flange types.

1. Ease of Installation: Fully assembled unit, mounted to the last track frame position with two bolts. Installation hardware not included—reuse original factory bolts. Shipping Note: Must ship via freight truck on pallet; do not select FedEx Ground.

2. Compatibility Assurance: Strictly manufactured to Caterpillar original specifications, factory tested to fit listed models precisely. Backed by quality guarantee. Related undercarriage parts available for one-stop procurement.

1. Structural Design: Single-flange design consistent with original standards, fully assembled for stable operation. As a large rear roller below the sprocket, it perfectly adapts to the steel undercarriage structure of target models.

2. Quality & Maintenance: Equipped with high-quality double-lip seals to block dirt/debris and retain lubrication, ensuring long service life. Color Note: Current production is black (not original yellow); no impact on performance.