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BT 121 Earth Auger


Earth Auger
Series 4313
Professional User

When pros need a powerful post hole auger to drill the big jobs, they use the BT 121 earth auger. Not only does this high-performance one-man auger feature the exclusive STIHL Quickstop® auger brake, it's also equipped with double gear reduction for better drilling performance, and a transmission lockout for simple starting and easier back out. Tough and durable, this earth auger has an advanced vibration dampening system and an oversized hip pad for added comfort.


Standard Features
  • Advanced vibration dampening system with oversized hip pad
  • Has STIHL Quickstop® auger brake
  • Lightweight and easy to handle
  • Double gear reduction for better auger performance
  • Single-handle engine throttle control
  • Transmission lock-out for easy start and to make auger "back out" easier

Optional Features
  • Auger Bits

    1.6" dia. 27-3/8" length.....4404 680 2004
    2.4" dia. 27-3/8" length.....4404 680 2005
    3.5" dia. 27-3/8" length.....4404 680 2009
    4.7" dia. 27-3/8" length.....4404 680 2012
    5.9" dia. 27-3/8" length.....4404 680 2015
    7.9" dia. 27-3/8" length.....4404 680 2020

  • Planting Auger Bits

    5.9" dia. 20-5/8" length.....4311 680 2515
    10.2" dia. 20-5/8" length....4404 680 1900

    Other Accessories

  • 17" Extension.....4311 680 2350

BT 121 Earth Auger Specifications
DISPLACEMENT 30.8 cc (1.88 cu. in.)
ENGINE POWER1.3 kW (1.75 bhp)
WEIGHT
(powerhead only)
9.4 kg (20.7 Ibs.)
FUEL CAPACITY 640 cc (21.6 oz.)
DRILLING GEAR SPEED 190 rpm
GEAR REDUCTION 47.5:1
TORQUE (engine)1.7 Nm (1.25 ft./lb.)
TORQUE (auger) 79.0 Nm (58.22 ft./lb.)
 

IMPORTANT INFORMATION
WARNING! Improper use of any power tool may cause serious or fatal injury. Read, understand and follow carefully the operating and safety instructions in your instruction manual before using such products.

STIHL products sold through U.S. STIHL dealers are for distribution in the United States only.