Everdigm Hydraulic Breakers
Everdigm Corporation
Korean precision — hydraulic breakers and attachments engineered for demanding global markets
Overview
Everdigm Corporation is a South Korean manufacturer of hydraulic breakers and construction attachments, founded in 1993 and headquartered in Changwon, South Korea. The company produces a comprehensive range of hydraulic breakers from mini to ultra-heavy class, alongside vibratory hammers, compactors, and other hydraulic attachments. Everdigm products are distributed in over 80 countries and the brand is particularly well established in Asia, the Middle East, and Europe.
History
Everdigm was established in 1993 in Changwon, South Korea — a major industrial city in South Gyeongsang Province with a strong manufacturing base in heavy equipment and machinery. The company was founded during a period of rapid growth in the Korean construction equipment sector, building on the engineering expertise concentrated in the Changwon industrial complex. Through the late 1990s and 2000s, Everdigm invested heavily in R&D and manufacturing quality, developing proprietary technologies including its SB (Silent Breaker) series and advanced accumulator systems. The company expanded its product portfolio beyond hydraulic breakers to include a full range of hydraulic attachments, positioning itself as a one-stop supplier for excavator attachment needs. Everdigm established a global distribution network and gained OEM supply relationships with major excavator manufacturers, significantly raising its international profile. By the 2010s, Everdigm had become one of the leading Korean hydraulic breaker manufacturers, competing directly with Soosan, NPK, and Daemo in the mid-to-premium segment of the global market.
Key Technologies
Auto-stroke control system
Everdigm's auto-stroke system continuously adjusts piston stroke length based on material hardness and resistance. In hard rock, the system extends the stroke to maximise impact energy; in softer material, it shortens the stroke to increase blow frequency. This optimises productivity across varying ground conditions without operator adjustment.
Nitrogen gas accumulator
Everdigm breakers use a high-pressure nitrogen accumulator that stores and releases energy during each impact cycle. The accumulator supplements hydraulic pressure during the power stroke, increasing peak impact energy and maintaining consistent blow frequency even when hydraulic flow fluctuates.
Integrated anti-blank-firing valve
Everdigm's anti-blank-firing system uses a dedicated hydraulic valve that detects loss of tool contact with the material and immediately reduces impact frequency. This protects the breaker's internal components — particularly the piston, front head bushing, and retaining pins — from accelerated wear caused by unloaded strikes.
Monoblock front head design
Selected Everdigm models use a monoblock front head machined from a single forged steel billet, eliminating the bolted joint between the cylinder and front head found in conventional designs. This reduces the risk of front-head cracking under high-cycle fatigue loading and simplifies field maintenance.
Product Range
| Model | Class | Excavator | Impact Energy | Oil Flow | Working Pressure | Notes |
|---|---|---|---|---|---|---|
| EHB 30 | Mini | 1–4 t | 130–280 J | 18–40 L/min | 100–140 bar | Mini class |
| EHB 60 | Mini | 3–8 t | 280–500 J | 35–65 L/min | 115–155 bar | Mini/light |
| EHB 120 | Light | 6–13 t | 500–820 J | 58–90 L/min | 128–168 bar | Light construction |
| EHB 200 | Medium | 10–22 t | 850–1380 J | 80–125 L/min | 142–182 bar | Medium standard |
| EHB 350 | Medium | 17–32 t | 1380–2200 J | 122–175 L/min | 155–195 bar | Medium high-output |
| EHB 550 | Heavy | 26–48 t | 2300–3700 J | 180–255 L/min | 165–205 bar | Heavy quarry model |
| EHB 800 | Heavy | 40–70 t | 3700–5800 J | 260–365 L/min | 182–222 bar | Heavy mining class |
| EHB 1200 | Ultra-heavy | 60–100 t | 5800–9000 J | 370–520 L/min | 195–235 bar | Ultra-heavy demolition/mining |
* Specifications are approximate and vary by model year and configuration. Consult the manufacturer for exact data.
Recommended Models
SB-series breakers compatible with Everdigm specifications — click any model for full technical details.
Excavator
4–8 ton
Impact Energy
400–600 J
Weight
200–260 kg
Oil Flow
45–70 L/min
Excavator
12–20 ton
Impact Energy
1000–1500 J
Weight
550–700 kg
Oil Flow
90–130 L/min
Excavator
20–35 ton
Impact Energy
2000–3000 J
Weight
1100–1400 kg
Oil Flow
150–200 L/min
Strengths & Limitations
Strengths
- Auto-stroke system optimises performance across varying material hardness
- Comprehensive product range from mini to ultra-heavy
- Strong OEM supply relationships with major excavator manufacturers
- Distribution in over 80 countries
- Full hydraulic attachment portfolio beyond breakers
Limitations
- Less globally recognised than Epiroc or Rammer in the premium segment
- Premium Korean pricing — more expensive than value-segment Korean or Turkish brands
- Service network depth varies significantly by region
Market Position
Everdigm occupies the mid-to-premium segment of the global hydraulic breaker market, competing directly with Soosan, NPK, and Daemo at the top of the Korean manufacturer tier, and with Furukawa and Montabert in the broader mid-premium space. The brand's OEM relationships and broad product portfolio give it strong credibility with fleet buyers and rental companies.
Typical Applications
Frequently Asked Questions
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