The high-strength undercarriage of JS140 tracked excavators is of a fully welded X-frame construction for long-term durability even in the most demanding applications. Sloped side members stop material build-up.

A closed box-section revolving frame increases strength and reduces stress on this 360 excavator. It’s also highly resistant to impact damage.

JCB’s optional heavy-duty bucket has a floating bush for easy gap adjustment, This improves both bush and pin life. Our optional hard-faced bucket has a Hardox steel face, reinforced hanger plates and a provision for bolt-on side cutters.

The JS140 tracked excavator has a heavy-duty arm with a reinforced boom joint and bucket joint. There’s also a plate and ribs at the bottom for extra protection.

We’ve strengthened the top and bottom plates as well as the cylinder mounting area of this JCB hydraulic excavator, guaranteeing long life durability.
There are brackets for mounting breaker piping on both the boom and arm of this hydraulic excavator.