Toku Hydraulic Breakers
Toku Pneumatic Co., Ltd.
Japanese precision manufacturing — reliable breakers for Asian construction markets
Overview
Toku Pneumatic Co., Ltd. is a Japanese manufacturer of hydraulic breakers and pneumatic tools, founded in 1938 in Nagoya. Toku breakers are known for their Japanese manufacturing quality, reliability, and strong performance in general construction applications. The brand is well-established in Japan and Asia-Pacific, where Japanese engineering heritage commands a premium.
History
Toku was founded in 1938 in Nagoya, Japan, initially manufacturing pneumatic tools for the Japanese industrial market. The company transitioned into hydraulic breakers as the construction industry shifted from pneumatic to hydraulic technology in the 1970s and 1980s.
Toku established itself as a reliable mid-tier Japanese manufacturer, competing with Furukawa at the premium end and Korean brands at the value end. The company's Nagoya manufacturing base and Japanese quality standards gave it credibility in markets where Japanese engineering is highly valued.
Today, Toku exports to numerous countries across Asia-Pacific and has a loyal customer base among contractors who value Japanese quality at a somewhat lower price point than Furukawa.
Key Technologies
Hydraulic Percussion System
Toku breakers use a well-proven hydraulic percussion system with a nitrogen gas accumulator. The system is designed for reliability and ease of maintenance, using standard components that are widely available in Japan and Asia-Pacific service networks.
Vibration Isolation Mounting
Toku breakers use rubber-metal vibration isolation mounts between the breaker body and the mounting bracket. This reduces vibration transmission to the excavator arm, protecting the carrier machine from fatigue damage and improving operator comfort.
Sealed Front Head
Toku's sealed front head design uses multiple dust seals and a positive-pressure system to prevent contamination of the bushing area. This extends front head component life in dusty construction and demolition environments.
Product Range
| Model | Class | Excavator | Impact Energy | Oil Flow | Working Pressure | Notes |
|---|---|---|---|---|---|---|
| TNB-3E | Mini | 1–4 ton | 150–280 J | 20–38 L/min | 100–140 bar | Mini class standard |
| TNB-5E | Light | 3–8 ton | 300–550 J | 40–70 L/min | 115–160 bar | Light construction |
| TNB-10E | Medium | 8–18 ton | 700–1200 J | 75–115 L/min | 140–180 bar | Medium class |
| TNB-20E | Medium | 15–28 ton | 1200–2000 J | 115–165 L/min | 155–195 bar | High-production medium |
| TNB-35E | Heavy | 25–45 ton | 2500–4000 J | 190–260 L/min | 170–210 bar | Heavy quarry model |
* Specifications are approximate and vary by model year and configuration. Consult the manufacturer for exact data.
Recommended Models
SB-series breakers compatible with Toku specifications — click any model for full technical details.
Excavator
1–4 ton
Impact Energy
150–250 J
Weight
85–110 kg
Oil Flow
20–35 L/min
Excavator
2–6 ton
Impact Energy
250–400 J
Weight
130–170 kg
Oil Flow
30–50 L/min
Excavator
4–8 ton
Impact Energy
400–600 J
Weight
200–260 kg
Oil Flow
45–70 L/min
Strengths & Limitations
Strengths
- Japanese manufacturing quality and reliability
- Strong Asia-Pacific distribution
- Competitive pricing vs. Furukawa
- Good parts availability in Japan and Asia
- Proven track record in general construction
Limitations
- Parts availability outside Japan/Asia can be limited
- Less advanced technology than Furukawa FRD
- Limited heavy mining class range
- Low brand recognition outside Asia-Pacific
Market Position
Toku occupies a mid-tier position in the Japanese and Asian markets, competing with Furukawa at the premium end and Korean brands at the value end. The company's Japanese manufacturing heritage and quality reputation give it credibility in markets where Japanese engineering is highly valued. Outside Japan and Asia-Pacific, Toku has limited market presence.
Typical Applications
Frequently Asked Questions
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