Lower works

P&H Crawler Frame Upgrade

  • Increased inner and outer wall plate thickness
  • Continuous welded guide rail eliminates cross welds
  • Increased clearance between frame and crawler shoes
  • FEA and strain gauge studies helped drive design improvements, resulting in an improved structural life of up to 60,000 hours
  • 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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P&H side frames have been proven in severe duty applications; this same engineering and manufacturing expertise has now been applied to the design of non-P&H structures.

Upgrades can be supplied in the following configurations:

  • Bare crawler frame
  • Assembled OEM equivalent direct replacement parts
  • Assembled 10" Delta Conversion with grease lines and covers
  • Assembled 11" Delta Conversion with grease lines and covers

Proven P&H performance

  • First set of side frames installed on a 495HD in 2013 experienced 18,000 maintenance-free hours (as of November 2016)
  • Once P&H crawler frame upgrade was installed, customer experienced no further structural cracking on truck frame
  • Customer referenced above is converting remaining 495 electric mining shovel fleet to P&H crawler frames

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