ID DHG20 [52CC] 20KG GASOLINE DEMOLITION HAMMER MACHINE [GASOLINE] - 30355
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Unmatched Breaking Power — Wherever the Job Takes You
The ID DHG20 52CC Gasoline Demolition Hammer is a professional-grade, petrol-powered breaking machine engineered for the most demanding concrete demolition, asphalt breaking, and masonry removal tasks. Driven by a 52cc 2-stroke engine delivering 1500W of raw power at 9000 RPM, this 20 kg demolition hammer combines massive impact energy of up to 55 joules with an adjustable impact frequency of 700–1350 BPM, giving site professionals total control over the most punishing breaking applications.
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- 52cc 2-Stroke Single-Cylinder Engine at 1500W / 9000 RPM: The heart of the DHG20 is a high-displacement, air-cooled 2-stroke engine producing a maximum torque of 2.5 N.m at 5300 RPM. This powerplant is purpose-built for sustained, high-load breaking cycles without overheating, making it ideal for full-day demolition work on construction and civil engineering sites.
- 25–55 Joules of Adjustable Impact Energy at 700–1350 BPM: The variable-speed trigger delivers a wide impact energy range of 25 to 55 joules and an adjustable blow rate of 700 to 1350 beats per minute. This allows operators to dial in the exact breaking force needed — from controlled chipping on delicate surfaces to full-power demolition of reinforced concrete.
- Hex Shank Compatibility with Pointed and Flat Chisels: The DHG20 accepts hex shank chisel bits for high-torque applications, and ships complete with both a pointed chisel for concentrated breaking and a flat chisel for surface demolition and tile removal — covering the two most common site requirements straight out of the box.
- Anti-Vibration Technology for Reduced Operator Fatigue: Integrated anti-vibration dampening isolates the handle assembly from the impact mechanism, significantly reducing the vibration transmitted to the operator's hands and arms. This is critical for compliance with occupational health standards on prolonged breaking tasks and extends productive working time per shift.
- Anti-Kickback Chain Break System for Operator Safety: An engineered instant-stop kickback protection mechanism halts the tool immediately upon detecting sudden, uncontrolled movement. This safety feature is essential when breaking through unpredictable substrates such as rebar-reinforced concrete or layered asphalt.
- Fuel-Efficient 1.3 L Tank with Mixed Fuel System (25:1 Ratio): Running on a 25:1 gasoline-to-motor-oil mixed fuel at a consumption rate of just 0.8 litres per hour, the 1300 ml tank provides extended runtime between refuels. The H119-6A-00-210 carburetor and BM6A spark plug are standardized, widely available components that simplify field servicing and reduce maintenance downtime.
- Hand-Pull Starter for Cord-Free, Remote-Site Operation: The reliable manual hand-pull recoil starter eliminates dependency on electrical power or battery charge, making the DHG20 fully self-sufficient for use on remote construction sites, outdoor civil works, and locations without power infrastructure.
The DHG20 carries CE (Machine Test) certification, confirming conformity with European machinery safety directives and validating its suitability for professional use. The machine ships as a complete ready-to-work kit, including a guide book, screwdriver, pointed chisel, flat chisel, proportioning pot for accurate fuel mixing, a spare BM6A spark plug, and a set of five wrenches — everything required for immediate deployment and routine field maintenance.
General Purchase & Comparison Queries
Is the ID DHG20 suitable for professional construction use, or is it a consumer-grade tool?
The ID DHG20 is a professional-grade demolition hammer designed for sustained heavy-duty site work. With a 52cc 2-stroke engine producing 1500W, an impact energy range of 25–55 joules, and a CE (Machine Test) certification, it meets the performance and safety standards required for commercial construction, civil engineering, and professional demolition contractors.
How does a gasoline demolition hammer compare to an electric model for outdoor site work?
A gasoline-powered demolition hammer like the DHG20 offers complete independence from electrical infrastructure, making it the preferred choice for remote sites, outdoor civil works, and locations without power access. While electric models require a power source or extension leads, the DHG20's hand-pull recoil starter and 1.3 L fuel tank allow it to operate continuously at 0.8 L/h consumption — delivering comparable or superior impact energy without cable management constraints.
What is included in the box, and do I need to purchase any additional accessories to start working?
The DHG20 ships as a complete ready-to-work kit. The package includes a guide book, screwdriver, pointed chisel, flat chisel, a proportioning pot for accurate 25:1 fuel mixing, a spare BM6A spark plug, and five wrenches. Both chisel types cover the most common demolition tasks, so no additional tooling is required for immediate deployment on site.
Product-Specific and Usage Queries
What fuel does the DHG20 use, and how do I mix it correctly?
The DHG20 runs on mixed fuel (gasoline + motor oil) at a precise 25:1 ratio — 25 parts unleaded gasoline to 1 part 2-stroke motor oil. A proportioning pot is included in the kit to help you measure and mix the fuel accurately. Using the correct ratio is essential for engine lubrication and longevity; running on unmixed gasoline will damage the 2-stroke engine. The 1300 ml fuel tank provides approximately 1.5 hours of continuous operation at the rated consumption of 0.8 L/h.
What is the impact energy and frequency range, and how do I adjust it?
The DHG20 delivers an impact energy stroke of 25 to 55 joules and an adjustable impact frequency of 700 to 1350 BPM. Both are controlled via the variable-speed trigger — a light squeeze produces lower BPM and energy for controlled chipping, while a full squeeze engages maximum breaking force for reinforced concrete and dense masonry. This variable control makes the tool versatile across different substrate hardness levels without changing any settings manually.
What chisel shank type does the DHG20 accept, and can I use third-party bits?
The DHG20 is compatible with hex shank chisel bits, which are the industry-standard format for heavy demolition hammers in this class. The machine ships with a pointed chisel for concentrated impact breaking and a flat chisel for surface demolition and tile removal. Standard hex shank bits from reputable third-party manufacturers are compatible, provided they match the shank diameter specification. Always ensure bits are rated for the 55-joule maximum impact energy of this machine.
Problem/Solution-Oriented Queries
The engine is difficult to start — what should I check first?
If the DHG20 is hard to start, begin by verifying the fuel mixture ratio (25:1 gasoline to motor oil) and ensuring the tank is not empty or contaminated with old fuel. Next, inspect the BM6A spark plug — a fouled or worn plug is the most common cause of hard starting in 2-stroke engines; a spare plug is included in the kit. Also check that the H119-6A-00-210 carburetor choke is set correctly for cold or warm starting conditions as described in the guide book. If the issue persists after these checks, clean or replace the air filter and ensure the fuel line is unobstructed.
The machine is vibrating excessively — is this normal, and how can I reduce it?
Some vibration is inherent to all demolition hammers due to the high-impact mechanism. The DHG20 is fitted with an anti-vibration system that isolates the handle from the impact assembly to reduce transmitted vibration to safe operational levels. If vibration feels excessive, check that the chisel bit is fully and correctly seated in the hex shank chuck, as a loose bit significantly increases vibration. Also ensure the machine is being operated with firm, controlled downward pressure — allowing the tool's own weight to do the work reduces rebound vibration. Worn or damaged chisel bits should be replaced promptly.
The machine stops suddenly during operation — what could cause this?
A sudden stop during operation is most commonly triggered by the anti-kickback chain break system, which is designed to halt the machine instantly if it detects sudden uncontrolled movement — this is a safety feature, not a fault. Reset the mechanism as described in the guide book and resume operation with controlled, steady pressure. Other causes of unexpected shutdown include fuel starvation (check tank level and fuel line), a fouled BM6A spark plug (inspect and replace if necessary), or engine overheating from continuous operation without adequate rest intervals. Allow the engine to cool for several minutes before restarting if overheating is suspected.
Machine (1 Pcs), Guide Book (1 Pcs), Screwdriver (1 Pcs), Pointed Chisel (1 Pcs), Flat Chisel (1 Pcs), Proportioning Pot (1 Pcs), Spark Plug (1 Pcs), Wrench (5 Pcs)