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Oregon SpeedCut™ 18" Bar & Chain Combination - 578764
The
Oregon 578764 SpeedCut™ Combo is the ultimate upgrade for mid-sized Husqvarna saws (38cc to 55cc). This professional-grade pairing includes the 180TXLBK095 guide bar and a matching 95TXL072G Narrow Kerf chain. Designed for faster cutting and reduced weight, the SpeedCut system requires less power from the saw, making it ideal for woodcutters who demand efficiency and easy maintenance.
The Narrow Kerf (Pixel) Advantage
This
Narrow Kerf system removes a thinner "slice" (kerf) of wood than standard .325" cutting systems. By displacing less wood, the saw maintains higher RPMs throughout the cut. Combined with Lubri-Tec™ automatic oiling, which directs oil specifically to high-friction zones, this combo significantly extends the life of your bar rails and chain rivets.
Model Compatibility:
Husqvarna
(Small Mount)
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- Standard: 55, 154, 257, 261, 350, 351, 353, 450, 450E, 545
- XP Professional: 254XP, 262XP, 346XP, 550XP
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Specifications:
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Bar Length
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18" (45cm)
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Pitch / Gauge
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.325" / .050" (Narrow Kerf)
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Drive Link Count
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72 Drive Links
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Tail Mount
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K095 (Small Mount)
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Cutter Type
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Low-Vibration Micro Chisel
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⚠️ Critical Pitch Warning:
This bar and chain are .325" Pitch. They will only work if your chainsaw is currently equipped with a .325" drive sprocket. If your saw is set up for 3/8" pitch, this combo will not fit. Please verify your sprocket pitch before ordering.
⛓️ Replacement & Maintenance Parts:
🛠️ Mechanic's Tip:
This is a Narrow Kerf (Pixel) bar. For optimal performance, you must always use it with a Narrow Kerf chain (like the 95TXL included). Using a standard .325" chain will cause excessive friction and may damage the bar rails. Remember to flip the bar occasionally to ensure even rail wear.
- Length: 18"
Pitch: .325"
Gauge: .050"
Drive links: 72
Bar mount: K095, Husqvarna small mount
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Fits models:
- Husqvarna 55, 154, 254XP, 257, 261, 262XP, 346XP, 350, 351, 353, 450, 450E, 545, 550XP, 550XPG
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Bar and chain 
