Husqvarna K 770 SmartGuard Gas Power Concrete Cutter – Safer Cutting for Professional Contractors
5 HP Performance. Extended Blade Guard. Maximum Job-Site Safety.
K 770 Power Cutter 14" - 970 85 80-01
The Husqvarna K770 SmartGuard is a professional-grade gas power cutter that combines the proven performance of the K770 platform with an extended SmartGuard blade guard — engineered to reduce kickback risk and reinforce correct cutting technique on active job sites. With 5 hp output and up to 5 inches of cutting depth, it handles concrete, asphalt, masonry, and roadwork without compromise.
Ideal for contractors working in environments where safety compliance and operator protection are non-negotiable. Blade not included.
Built for Concrete, Asphalt & Masonry Contractors
From asphalt roadwork and cable burial to curbstone cutting and floor sawing, the K770 SmartGuard is engineered for the full range of contractor applications. Its reversible cutting arm lets you cut flush to walls and the ground, while KV7 trolley compatibility enables straight and curved track cutting on road jobs — all with the added confidence of SmartGuard protection.
SmartGuard – Extended Blade Guard for Kickback Protection
The SmartGuard extended blade guard is designed to reduce the likelihood of kickback incidents by emphasizing correct cutting zone use and proper technique. It’s a practical safety upgrade for crews working in high-traffic or confined job-site conditions — reducing liability and keeping your operators protected.
SmartTension™ Belt System – Optimal Power, Zero Guesswork
The semi-automatic SmartTension™ system automatically maintains correct belt tension — eliminating under- and over-tensioning that causes premature wear and power loss. The result: maximum power transmission, longer belt life, and fewer unplanned service stops.
Low Vibrations & Easy Start – All-Day Productivity
Vibrations below 2.5 m/s² at both handles reduce operator fatigue during extended cutting sessions. Combined with the air purge, decompression valve, and digital ignition system, the K770 SmartGuard starts reliably and runs comfortably — shift after shift.
Performance Benefits for Contractors
- SmartGuard extended blade guard — reduces kickback risk and enforces correct cutting zone technique
- 5 hp gas engine — consistent power through concrete, asphalt, and hard masonry
- 5" maximum cutting depth — handles deep slab and roadwork cuts in fewer passes
- SmartTension™ auto belt tensioning — maximizes power transfer and extends belt life
- Vibrations below 2.5 m/s² — reduces fatigue for longer, safer cutting sessions
- Reversible cutting arm — cut flush to walls and ground without repositioning
- Progressive wet cutting water valve — precise dust control with less slurry and lower water use
- Active Air Filtration™ & DuraStarter™ — extended service intervals and reliable cold starts
- KV7 trolley compatible — straight and curved track cutting for road and utility work
- Heavy-duty cast magnesium crankcase — three-bolt cutting head joint for superior torsional rigidity
All Products Specification
| Specification | K 770 SmartGuard™ 14" | Blade Incl 970 85 08‑01 |
|---|---|
| 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 | 5 inches |
| Blade diameter, max | 14 inches |
| Arbor diameter | 1-7/8B |
| Blade thickness, max | 0.2 inch |
| Peripheral speed, max | 18,000 fpm |
| Coolant | Wet |
| Dimensions | |
| Product size length | 30.27 inches |
| Product size width | 8.86 inches |
| Product size height | 16.89 inches |
| Weight | 24.7 pounds |
| Packaging length (Calc) | 30.709 inches |
| Packaging width (Calc) | 10.236 inches |
| Packaging height (Calc) | 18.976 inches |
| Article gross weight (Calc) | 34.392 pounds |
| Sound and Noise | |
| Sound power level, guaranteed (LWA) | 115 dB(A) |
| Sound pressure level at operator's ear (LpA) | 101 dB(A) |
| Vibrations | |
| Vibrations left/front handle | 2.1 m/s² |
| Vibrations right/rear handle | 2 m/s² |








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