Husqvarna K770

GeoTrencher® With Husqvarna K 770 Powerhead
GeoTrencher with The Husqvarna K 770 Powerhead with is a powerful all-around trencher with features that make it one of the best trenchers on the market. Equipped with a semi-automatic SmartTension™ system allows for optimal power transmission, minimum wear and maximum belt life. The lightweight, outstanding power-to-weight ratio, the reliable start and exceptionally low vibrations mean less strain and maximised productivity. Suitable for telecommunications line work and easy to use for long periods when used with the EZ kart towing rig.
Easy to start
The unique design of the carburettor, cylinder and digital ignition system, together with air purge and decompression valve ensure an easy start.
Active Air Filtration™
Our two-step filtration system with centrifugal cleaning and a single paper filter increases product life and extends service intervals.
Anti-vibration system.
Reduced vibrations in the cutter handle for more comfort and longer operation periods.
| Bar length size options | 400mm or 500mm |
| Chain width options | 38mm or 58mm |
| Cylinder displacement | 73.5 cm³ |
| Cylinder bore | 51 mm |
| Cylinder stroke | 36 mm |
| Maximum power speed | 9000 rpm |
| Max engine/motor RPM | 9300 rpm |
| Idling speed | 2700 rpm |
| Output shaft RPM, max | 4700 rpm |
| Fuel consumption | 470 g/kWh |
| Fuel tank volume | 0.9 l |
| Electrode gap | 0.5 mm |
| Spark plug | NGK BPMR7A |
| Engine cooling | Fan/Air |
| Lubricant type | Husqvarna 2 stroke or equiv. at 50:1 |
| Sound pressure level at operators ear | 101 dB(A) |
| Sound power level, guaranteed (LWA) | 115 dB(A) |
*Specifications are subject to change without notice.