Husqvarna K 770 Dry Cut Gas Power Concrete Cutter – Integrated Dust Extraction for Contractors
5 HP Dry Cutting. 100 CFM Dust Extraction. No Water Required.
K 770 Dry Cut 12" - 970 85 05-02
The Husqvarna K 770 Dry Cut is a professional gas power cutter purpose-built for contractors who need clean, dust-controlled cutting without water. Featuring an integrated fan housing with 100 cfm airflow and a reusable dust bag, the K 770 Dry Cut captures and contains concrete and masonry dust at the source — keeping your crew compliant with dust exposure regulations and your job site clean.
- Cutting Depth - 4.8 inches
- Blade Diameter - 12 inches
- Weight - 26.2 pounds
- Power Source - Petrol
With 5 hp output and an impressive 4.8-inch cutting depth from a 12-inch blade — nearly matching the depth of a 14-inch machine — this is the dry cutter built for serious production work. Blade not included.
Estimated Shipping: 2–5 business days depending on availability.
Built for Indoor, Enclosed & Dust-Regulated Job Sites
From floor and wall cutting to curbstones, cast concrete, and rescue operations, the K 770 Dry Cut handles the full range of masonry applications — without the mess and setup time of wet cutting. It’s the right tool for indoor renovations, occupied buildings, and any job site where water use or slurry cleanup is a problem.
Integrated Dust Extraction – 100 CFM Airflow, Reusable Bag
The integrated fan housing generates 100 cfm of airflow that continuously pulls cutting dust away from the blade and operator, channeling it into a durable, reusable dust bag with an integrated nozzle that prevents leakage. No external vacuum required. Less cleanup, less exposure, more cuts per shift.
Maximized Cutting Depth – 4.8" from a 12" Blade
The integrated gearbox, optimized pulley positioning, and 2.36-inch flange deliver a 4.8-inch cutting depth from a 12-inch blade — performance that rivals a standard 14-inch wet cutter. Fewer passes, faster job completion, better ROI per cut.
SmartTension™ & Long Service Intervals – Maximum Uptime
The semi-automatic SmartTension™ belt system eliminates under- and over-tensioning for consistent power delivery and extended belt life. Combined with the maintenance-free DuraStarter™ and Active Air Filtration™, the K 770 Dry Cut is engineered to run longer between service stops.
Performance Benefits for Contractors
- Integrated 100 cfm dust extraction — captures concrete dust at the source, no external vacuum needed
- Reusable dust bag with integrated nozzle — contains dust without leaking, reduces cleanup time
- 4.8" cutting depth from a 12" blade — near 14" machine performance in a lighter, more maneuverable package
- 5 hp gas engine — consistent power through concrete, masonry, curbstones, and cast slabs
- No water required — ideal for indoor cuts, occupied buildings, and sites where slurry is prohibited
- SmartTension™ auto belt tensioning — maximizes power transfer and extends belt life
- Heavy-duty cast magnesium crankcase — three-bolt cutting head joint for superior torsional rigidity
- Active Air Filtration™ & DuraStarter™ — extended service intervals and reliable cold starts
- Vibrations below 2.5 m/s² (front handle) — reduces operator fatigue for longer cutting sessions
- Easy start system — air purge, decompression valve, and digital ignition for fast, reliable starts
All Products Specification
| Specification | K 770 Dry Cut | 12" | 1" / 20 mm 970 85 05‑02 |
|---|---|
| Engine | |
| Output power | 5.3 hp |
| Max engine/motor speed | 9,300 rpm |
| Maximum power speed | 9,000 rpm |
| Cylinders | 1 |
| Number of strokes | 2-stroke engine |
| Exhaust emissions (CO₂ EU V) | 711 g/kWh |
| Power Source | Petrol |
| Cutting Equipment | |
| Cutting depth, max | 4.8 inches |
| Blade diameter, max | 12 inches |
| Arbor diameter | 1-7/8B |
| Blade thickness, max | 0.16 inch |
| Peripheral speed, max | 10,000 fpm |
| Coolant | Dry |
| Dimensions | |
| Product size length | 28.9 inches |
| Product size width | 10.2 inches |
| Product size height | 15.6 inches |
| Weight | 26.2 pounds |
| Packaging length (Calc) | 31.496 inches |
| Packaging width (Calc) | 10.551 inches |
| Packaging height (Calc) | 19.213 inches |
| Article gross weight (Calc) | 33.069 pounds |
| Sound and Noise | |
| Sound power level, guaranteed (LWA) | 115 dB(A) |
| Sound pressure level at operator's ear (LpA) | 98 dB(A) |
| Vibrations | |
| Vibrations left/front handle | 3.3 m/s² |
| Vibrations right/rear handle | 4.4 m/s² |












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