Innovative Design and Engineering

  • Lower Upfront and Long-Term Cost
  • Significant improvement in component life
  • 3rd Party destructive analysis revealed OEM parity or better
  • Savings of 40% or better

Many “budget” suppliers claim quality or value but only deliver a cheap imitation with higher long term cost.  H-E Parts has engineered the same, and in many cases, an improved solution.

Compare for yourself with below Undercarriage examples:

D6-R Undercarriage

D6-R Undercarriage HEPI OEM
Weight (lbs) 13.2 12.9
Base Hardness (Rockwell C) 35 23
Induction Hardness (Rockwell C) 53 50
Effective Case Depth. (in.) 0.218 .305
Material Same Same

D10 / D11 Undercarriage

D10 / D11 Undercarriage HEPI OEM
Weight (lbs) 34 36
Base Hardness (Rockwell C) 29-35 30
Induction Hardness (Rockwell C) 48-50 49-52
Effective Case Depth. (in.) .05 .05
Material (probable) Grade 32Mn2 Grade 35Mn2


All above comparison testing was conducted by 3rd party ISO 9001 and/or A2LA Lab Certifications from parts purchased directly from the respective OEM Dealer.