Himax Offset Aluminum Gear Boxes

Direct replacement for GWS gearboxes

ACC4966 fits all 20 mm BL motors with 2mm shaft,
ACC3937 fits all 24mm motor, 370 type motors with 2 mm shaft,
• Aluminum gear housing – no more broken gear housing,
• Built-in cooling fins – no more overheated motors,
• 10mm x 10mm mounting box – fits most planes designed with GWS gearboxes,
• Multiple gear ratios - 6.6:1, 5.3:1 & 4.4:1 gears included,
• Dual Ball Bearings with hardened shaft – efficient and durable operation,
• ACC4966 comes with hardened shaft and prop adapter for APC props,
• ACC3937 comes with 3 mm threaded shaft for GWS props.