2017 STIHL KM 91 R

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KM 91 R



Powerful KombiEngine

Powered by a proven STIHL 4-MIXTM engine designed for demanding professional use. Updates include a larger fuel tank for 30% longer run times along with improved handling and control.

Technical Data
  • Displacement (cc): 28.4
  • Power output (kW): 0.95
  • Weight (kg / lbs): 4.4 / 9.7
Available KombiTools
  • FH - KM Power Scythe 135°: Reciprocating power scythe KombiTool. Designed for trimming grass and weeds in tight places like parking lots and sidewalks. The reciprocating action provides precise cutting control.
  • FBD - KM Bed Re-definer: New KombiSystem KombiTool with rugged construction for maximum durability. With a unique blade design, it provides smooth cutting through existing or new flower beds.
  • HT - KM Pole Pruner: This pole pruner KombiTool makes quick work of pruning trees and shrubs. Side-access chain tensioner makes it easy to adjust the chain. Optional shaft extension available (sold separately). All attachments sold separately.
  • FSB - KM Curved Shaft Mowing Head: KombiTool to improve maneuverability in tight areas with AutoCut 11-2 cutting head for STIHL KombiSystem. All attachments sold separately.
  • FS - KM Straight Shaft Mowing Head - Metal Blade: KombiTool with metal blade for STIHL KombiSystem, used for mowing heavy grass and weeds. All attachments sold separately.
  • KB - KM Bristle Brush: The bristle brush KombiTool is an effective tool for removing debris from cracks and crevices of hard surfaces. All attachments sold separately.
  • KW - KM PowerSweep™: PowerSweep™ paddle KombiTool cleans up dirt along roads and sidewalks, moves pebbles and sand in turf, as well as water and light snow along flat surfaces. All attachments sold separately.
  • HL - KM Hedge Trimmer 135°: Reciprocating hedge trimmer KombiTool with the added flexibility of an adjustable blade, up to 270° (135° working range). All attachments sold separately.
  • BF - KM Soil Cultivator: A lightweight cultivator KombiTool for getting into tight places. Ideal for rejuvenation of flower beds and gardens, and for mixing fertilizer into the soil. All attachments sold separately.
  • BG - KM Blower: A powerful, lightweight blower KombiTool that is ideal for outdoor clean-up tasks. All attachments sold separately.
  • HL - KM Hedge Trimmer 0°: Hedge trimmer KombiTool that provides extended reach for tall or hard-to-reach hedges.
  • FS - KM Straight Shaft Mowing Head: KombiTool with AutoCut 25-2 head for STIHL KombiSystem. All attachments sold separately.
  • FCB - KM Curved Shaft Edger: KombiTool with adjustable depth control wheel and built-in blade “sight”. This KombiSystem attachment is ideal for edging along walkways and planting beds. All attachments sold separately.
Weight measured without KombiTool and fuel. All attachments sold separately.



Engine Displacement
28.4 cc
0.95 kW


4.4 kg (9.7 lb.)

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