DIPPER PARTS FOUNDRY

OPM Heavy Equipment has been in dipper parts for over several years. We are the leading producer of forged manganese steel bushings and pins as well as other wear products used in the mining industries.We sell directly to mines, as well to OEMs. For the South America territory, we have appointed OPM Heavy Equipment as our dealership.Our products are proudly made in USA. OPM Heavy Equipment’s dipper parts include: Forged Bushings, Manganese Pins, Peened Bushings, Overlay Pins, Induction Hardened Alloy Pins and Ditching Bucket.

Ditching Bucket

Ditching Bucket

OPM Heavy Equipment manufactures quality Ditching Bucket.

  • Material:Low Alloy Steel
  • Reliable and long life time guaranteed;
  • High strength and superior wear resistance;
  • Each roller shell is carefully heat treated to ensure long wear life and stress resistance;
  • Each roller is precision machined to house special high impact low wear bi-metal bushings.

Induction Hardened Alloy Pins

Induction Hardened Alloy Pins

OPM Heavy Equipment manufactures quality Induction Hardened Alloy Pins.

  • Core material high-strength alloy
  • Surface hardness 52 Rc to 55 Rc
  • Hardness 0.25” to 0.375” depth

Forged Bushings

Forged Bushings

OPM Heavy Equipment manufactures quality Forged Bushings.

  • 11-14% high-carbon Hadfield grade manganese steel forged by skilled tradesmen
  • Fully austenitized to provide a ductile base and high surface hardness
  • More cost effective forged bushings last up to four times as long as others
  • High-quality means less downtime, increasing productivity

Manganese Pins

OPM Heavy Equipment manufactures quality Manganese Pins.

  • Forged for superior wearability and strength
  • 11-14% high-carbon Haidfield grade manganese steel base

Overlay Pins

Overlay Pins

OPM Heavy Equipment manufactures quality Overlay Pins.

  • Core material high-strength alloy
  • 0.375” to 0.50” Radial overlay at 52 Rc as manufactured
  • In-service work hardened surface to 62 Rc (to provide superior predictable wear

Peened Bushings

Peened Bushings

OPM Heavy Equipment manufactures quality Peened Bushings.

  • Built for extreme environment standards to add life to your bushings
  • Supplied inside diameter hardness 52 HRC to 55 HRC
  • 11-14% high-carbon Haidfield grade manganese steel forged by skilled tradesmen

The reasons why OPM are superior is for the follows metallurgical facts:

  • High Carbon Alloy with a guaranteed chemistry of 1.0-1.4% and 11.0-14% Manganese
  • Ultimate Strength: to 165,000 psi
  • Tensile Strength: 55,000/65,000 psi for Unmatched Toughness
  • Superior Surface Hardening: Unique Work Hardening features to 55/65 Rc
  • We fully austenitize every bushing so the core remains ductile in temperatures as low as minimum -100C
  • A finer Grain structure for strength and premiere durability.
  • Low Metal to Metal Coefficient of Friction