Undercarriage parts

Delta Max crawler shoe

Targeting up to 20% life increase over the Standard Delta shoe, the Delta Max crawler shoe is built on a proven P&H legacy product that is designed to provides extended shoe life and reduce employee exposure to risks from maintenance activities.

Design features to promote longer life include:

• Raised roller path — improve overall system clearance to help extend life
• Increased pin size — up to 35% stronger than standard pin for increased fatigue life
• Increased pin lug size – up to 10% stronger than standard pin lug for increased fatigue life

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Crawler shoes

P&H Delta series crawler shoes are designed for fit and function with our OEM Delta series drive system. These components can help to control mine operating costs by extending crawler shoe and crawler system life, potentially resulting in a reduction in unplanned downtime for your operation.

Delta series crawler shows can potentially:

• Heighten productivity — they’re engineered as a complete system to promote enhanced component life, so you can get more out of your investment
• Lower the total cost of ownership — patented peening pads support better material flow for less residual stress
• Mitigate exposure — longer maintenance intervals can help lessen employee exposure to risks from maintenance activities

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Lower roller assembly

Extend the overall life of your crawler system. With a larger and thicker thrust washer, the P&H lower roller assembly is designed to provide a longer roller life and helps prevent damage to side frames.

• Improves grease delivery and flow to help extend system life
• Continuous bushing increases bearing areas and has integral grease grooves, which enhances lubrication flow for increased bushing life
• An improved and more robust retention helps decrease rotation and reduces lube system failure

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Delta drive system

The P&H Delta Drive System is designed for smooth the engagement between shoes and tumbler, even when components are worn. The system can help reduce lug wear on both shoes and tumblers and can increase change-out intervals, helping control your employees’ exposure to risks.

• Helps reduce mine operating costs by promoting extended crawler shoe and crawler system life, mitigating unplanned downtime
• Promotes greater track efficiency by helping to reduce track tension and pitch mismatch
• Helps lower maintenance costs by minimizing the need for crawler belt adjustments and reducing stresses on pins and pin lugs

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Front idler

To keep your machine running smoothly and keep maintenance manageable, the right parts are critical. For your shovel, look to P&H front idler wheels for toughness and quality. They are engineered for exceptional track efficiency with a larger bearing area and lube distribution. Internal testing shows they reduce bearing stress by 50% to increase component life.

Other key details include:

• Splined connection between idler and shaft to match idler life with that of other lower works components
• Bearing blocks with bushings can be removed without breaking the track
• Heavy-duty rock guards help protect against damage from dirt and debris
• Dedicated lube injectors supply lubricant to critical wear surfaces

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Guide rail assembly

To help you save on operating and costs and downtime, a genuine P&H guide rail assembly for your rope shovel was designed with key features, that include:

• Wider profiled guide rail matching the profile of the crawler shoe path, minimizing the wear between the shoes and guide rails
• Optional polyurethane coating to further reduce wear between crawler shoes and guide rails to extend guide rail life

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Crawler frame upgrade

The OEM side frame-compatible crawler frame upgrade has been manufactured to help extend your shovel’s structural life. Finite Element Analysis (FEA) and strain gauge studies helped drive design changes, resulting in an enhanced structural life of up to 60,000 hours.

Features that help extend structural life:

• Enhanced inner and outer wall plate thickness
• Continuous welded guide rail eliminates cross welds
• More clearance between frame and crawler shoes

Compatibility features:

• Interchangeable with OEM side frames
• Designed to accept different mounting and transmission configurations
• Can be fitted with P&H final drive shaft upgrade

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