Tension Idler Description
The 348-5434 Idler Tension Wheel is a critical component in the undercarriage system of Caterpillar E320D2 and E323DL excavators. This part supports the track system and maintains proper track tension, reducing the risk of de-tracking or premature wear. Built with high-quality forged steel and sealed bearing units, it delivers superior strength and smooth operation even in harsh jobsite conditions. YNF Machinery supplies this part as a cost-effective aftermarket solution that meets or exceeds OEM standards—ideal for fleet maintenance, undercarriage rebuilders, and CAT parts resellers.
Idler Wheel Technical Sheet
| Attribute |
Specification |
| Applicable Models |
CAT E320D2, E323DL |
| Part Name |
Idler Tension Wheel |
| OEM Part Number |
348-5434 |
| YNF Part Number |
YNF16787 |
| Material |
Forged Steel with Treated Surface |
| Installation Area |
Front Undercarriage / Track Tensioner |
| Weight |
Approx. 38–45 kg (based on variant) |
| Brand |
YNF |
| Origin |
China |
| Condition |
New, aftermarket equivalent |
| MOQ |
1 Piece |
| Shipping |
Wooden crate / Export packaging |
| Shipping Methods |
Air, Sea, Express |
| Payment Methods |
T/T, PayPal, L/C |
Idler Wheel Applications
| Application Segment |
Function |
| Crawler Excavators |
Maintains track tension and alignment |
| Undercarriage Rebuild |
Replacement in CAT E320D2/E323DL maintenance |
| Heavy Equipment Rentals |
Key stock item for field failures |
| Construction Equipment |
Reduces vibration and track wear |
E320D2 Idler Wheel Detail Display
Related Products:
-
Track Adjuster Cylinder for CAT E320 Series
-
Track Roller Bottom Roller for E323DL
-
Front Idler Seal Group Kit
-
Undercarriage Track Shoe Assembly
FAQs:
-
Q: Can I use this idler on E320C?
A: It is specifically made for E320D2/E323DL; contact us for cross-reference options.
-
Q: Is the bearing included in the assembly?
A: Yes, this is a pre-assembled unit with bearings installed.
-
Q: Do you offer full undercarriage kits?
A: Yes, including sprockets, rollers, tracks, and idlers.
