Dipper Parts
PROUDLY MADE IN USA
With over 40 years of experience, OPM Heavy Equipment and Repair is a leading producer of forged manganese steel bushings, pins, and other wear-resistant products for the mining industry. We have appointed Antofagasta Parts LLC as our exclusive dealership for the South American market. Our products are proudly manufactured in the USA.
Leading Producer of Forged Manganese Steel Bushings and Pins
Extensive Product Control
We fully austenitize every bushing so the core remains ductile in temperatures as low as minimum -100C
Unique Work
Superior Surface Hardening: Unique Work Hardening features to 55/65 RC
Innovated Technology
A finer grain structure for strength and premiere durability
High Quality
high Carbon Alloy with a guaranteed chemistry of 1.0-1.4% and 11.0-14% Manganese
Why OPM Heavy Equipment and Repair is Superior
- 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
- Our products are guaranteed to reduce lead time, which equals greater productivity and more profit for you
Peened Bushings
Built for extreme environment standards to add life to your bushings
Supplied inside diameter hardness 52 Rc to 55 Rc
11-14% high-carbon Hadfield grade manganese steel forged by skilled tradesmen
Manganese Pins
Forged for superior wearability and strength
11-14% high-carbon Hadfield grade manganese steel base
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)
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
Induction Hardened Alloy Pins
Core material high-strength alloy
Surface hardness 52 RC to 55 RC
Hardness 0.25" to 0.375" depth
Alloy Pins
Material from high strength alloy
Dipper Parts
- Our products are 100% interchangeable with OEM parts, ensuring the highest quality and reliability. We take pride in providing top-tier spare parts with minimal lead times to keep your operations running smoothly.
