Electric Mixer DK-EM-120B
120mm Concrete Mixer Drill DK-EM-120B – 1400W Heavy-Duty Mixing
The DERA DK-EM-120B is a 120mm concrete mixer drill built for professional construction sites, tile adhesive mixing, paint stirring, and mortar preparation. With a powerful 1400W motor and variable speed from 0 to 700 r/min, this drill gives you precise control from slow start to full mixing power.
If you need a 120mm concrete mixer drill that won’t overheat or strip gears after months of heavy use, the DK-EM-120B is your answer. Below you’ll find every detail – from internal components to package contents.
Key Specifications
| Specification | Value |
|---|---|
| Rated Voltage | 220V 50Hz |
| Rated Input Power | 1400W |
| No-Load Speed | 0 – 700 r/min |
| Chuck Diameter | 120mm |
| Housing Material | PA6-GF30 (glass-reinforced nylon) |
| Gearbox Material | Aluminum alloy (D116 matte silver) |
| Cable Length | 2.7 meters |
| Net Weight | 3.56 kg |
| Gross Weight | 12 kg |
| Carton Size (outer) | 39 × 33 × 51 cm |
| Qty per 20′ container | Please contact us for exact pcs |
Built to Last – Core Component Breakdown
Unlike cheap mixers that fail within months, the DK-EM-120B uses industrial-grade materials. Here is what’s inside:
Motor (Rotor & Stator)
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Rotor core: Wuhan Steel 800, φ41×40mm
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Stator core: Wuhan Steel 800, φ72×40mm
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Rotor wire: φ0.49 copper, cold resistance 1.788Ω
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Stator wire: φ0.62 copper, cold resistance 1.55Ω
Gear Train (The Heart of a Mixer Drill)
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Large gear: 40Cr steel, 37 teeth, 46HRC hardness
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Pinion shaft: 40Cr steel, 15 teeth, 48HRC hardness
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Output shaft: 45# steel, 120mm, 35HRC hardness
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Gear ratio: 37:15 – optimized for torque, not speed
Housing & Cooling
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Housing: PA6-GF30 (color 144C) – impact and heat resistant
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Gearbox housing: Aluminum alloy – acts as a heat sink
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Fan: PA6-GF30 – won’t deform under continuous mixing
Bearings (All CHFZ brand)
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6003Z, 6001Z, 608Z, 698Z, HK1010YY
Carbon Brushes
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Grade 830, size 7×11×17.5cm – easy to replace
Cable, Plug & Switch
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Cable: 2×0.75mm², 2.7m, CCC IEC 57 YZW 300/500V
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Plug: PBB two-flat pin, 250V 10A (CCC certified)
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Switch: FA2-8/2WB, 6(6)A 250V AC, black button
What’s Included in the Box?
Every DK-EM-120B comes with:
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Mixing paddle and mixing rod
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Two spare carbon brushes
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Two open-end wrenches
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User manual
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Warranty card
Packaging:
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Inner: Color box + foam (2 units per box, stacked vertically)
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Outer carton: Imported A-grade kraft paper, double-layer corrugated
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Carton size: 39×33×51 cm
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Tape & strapping: DERA branded design
Why Choose This 120mm Concrete Mixer Drill?
| Feature | Benefit |
|---|---|
| 1400W motor | Handles thick mortar and heavy adhesives |
| 0-700 r/min variable speed | Start slow without splashing |
| 40Cr hardened gears | Lasts longer than powder-metal gears |
| Aluminum gearbox | Dissipates heat during continuous use |
| 2.7m rubber cable | Reach farther without extension cord |
| Complete accessory set | No need to buy mixing paddle separately |
Whether you are a contractor, a tile installer, or a DIY enthusiast, the DERA DK-EM-120B 120mm concrete mixer drill delivers professional mixing performance at a reasonable price.
