Description

The crane top roller is a crucial component of a crawler crane’s undercarriage.It supports and guides the upper section of the track, preventing excessive sagging due to its own weight and maintaining the straightness of the track.

Details about American 9310 Top Roller

Apply Model	American 9310
Material	50Mn / 40Mn2
Color	Black or customized
Surface hardness	HRC 52-58
Payment Terms	T/T, L/C, D/A  Other payment methods are negotiable
Condition	Brand new

Why choose TopTrack’s Crane Upper Roller

1 High Quality Raw Materials of American 9310 Top roller

The crane top rollers produced at our factory are manufactured using the highest-quality, high-hardness alloy materials ( 50Mn / 40Mn2 ).Traceable material reports and quality inspection certificates are available upon request.

The quality of the raw materials is far superior to that of other crane top rollers currently available on the market.

2 Comprehensive Heat Treatment Process

The crane top roller undergoes a dual heat treatment process consisting of quenching and tempering, and also requires surface heat treatment.

The hardness of the treated metal surface can reach HRC 52–55. Forming a unique structure that is hard on the outside and tough on the inside.It can extend the service life by 30% to 50%.

3 Backed by a Powerful Technical Team

As a supplier that has specialized in crawler crane undercarriage parts for decades, we possess a professional technical team.

Our technicians possess the precision engineering expertise required for critical undercarriage components.These specialized technical capabilities ensure that every crane top roller we produce meets rigorous quality and performance standards.

4 Rigorous Quality Control System

We utilize CNC machine tools to perform precision machining. Furthermore, prior to shipment, every crane top roller undergoes rigorous quality inspection—including checks for dimensional accuracy, hardness, and non-destructive flaw detection.

5 Ample Stock

We operate a 300-square-meter facility housing an extensive inventory of undercarriage parts for crawler cranes. We are able to ship orders within 7-10 days of confirmation, thereby minimizing downtime and waiting periods for our customers.