Shindaiwa Speed-Feed® Trimmer Heads

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Presentation transcript:

Shindaiwa Speed-Feed® Trimmer Heads 4.5 in/ 115 mm Model 450 3.75 in/ 95 mm Model 375

New Terminologies Only 6 basic components Knob Eyelet carrier Core Spool Cover

Shindaiwa’s Unique New Head! In-house design US Pat #6,952,877 Others pending Unique features Glass-filled nylon

Low-Vibration Top (winder) serves as vibration-dampening disk Most parts secured to gearcase Rigid control of dimensions, molding process

Replaceable Eyelets Diecast eyelets shaped for less line breakage Slotted for faster loading if head disassembled

Less Line Welding Separate spool for each line Line exists in opposing direction for line tensioning

Large Wear Surface At Base Less frequent replacement of bump knob Less chance of devoting/scalping

Better Sealing Double-wall design prevents internal debris buildup Maximizes rigidity, strength

Fastest Line Loading Load right off the spool!

Demonstration is Essential! This head has extremely unique features It must be demonstrated for maximum impact

Assembly Note Mount arbor bolt securely into gearcase. Thread head onto arbor bolt. Will cause excessive vibration if not tight in gearcase!

Head Disassembly (TSB272) Remove cover with your thumbs. Thumb pressure is much greater than finger pressure! Two clicks when properly assembled!

Speed-Feed® 450 (SFH450) Head

SFH450 Dedicated spool Straight-shaft, LH only

SFH450 Line capacity 6.1 m with 2.65 mm (0.105”) Any shape to this capacity

Speed-Feed® 450 Improvements Reduced vibration by: Improved core concentricity. Tighter eyelet weight tolerance. Accepts 3.3 mm (0.130”) line

Speed-Feed® 375 SFH375 Head

Design Background Light duty commercial head. For smaller displacement models. High-end consumer (prosumer). Straight (LH) & flex shaft (RH) units.

Dimensions SFH 375 Diameter: 95 mm (3.75”) Height: 2.3” (58 mm) (same as Speed-Feed® 450) Weight: 360 grams

Interchangeability Between Speed-Feed® 375 & 450 5 parts plus studs: Spring Spring cap Core Eyelets Bushing

LH & RH Arbor Bolt Versions Available arbors: 7mm LH male 8mm LH male 8mm RH male (new!)

Capacity Speed-Feed 375 9 ft. with 2.4 mm (0.095”) Note: will accept 2.65 mm (0.105”) (+2.65 mm (0.105” square), but not recommended for smaller displacement units!

Universal Speed-Feed Speed-Feed 375 (Straight Shaft) P/N 78890-10000 Fits: Shindaiwa, Homelite, Echo, Honda, Kaaz, McCulloch, Zenoah, Solo, Stihl, Tanaka Speed-Feed 375 (curved shaft) P/N 78890-19000 Fits: Shindaiwa, Homelite, Echo, McCulloch, Poulan, Tanaka, Weedeater Speed-Feed 450 (Straight shaft) P/N 78890-21000

Competition

Design Differences vs. Competitive Heads Eliminate small-diameter bump knob. Cover is the advancing mechanism. Larger surface area. Less wear. Less divoting, scalping. No disassembly to reload line (30 sec. or less)! Stays cleaner inside

Conclusion Two serious threats to Stihl’s AutoCut business!

Thank you!