Rotary Switch Assembly Dial Knob 4482656 for ZAXIS200 ZAXIS220 ZX330 Excavator Parts

Keywords: 4482656, Rotary Switch Assembly, Excavator Dial Knob, Throttle Knob Switch, Hitachi ZAXIS control knob, ZAXIS200 ZAXIS220 ZX330 Excavator Spare Parts, Excavator Cab Electric Switch

🔹Product Overview

This rotary switch assembly dial knob 4482656 is an essential cab‑control replacement part specially made for Hitachi ZAXIS‑series excavators. Installed inside the operator cabin, this throttle knob allows operators to adjust engine speed, switch working modes conveniently. Made of high‑strength wear‑resistant plastic shell and high‑precision internal electronic components, it features smooth rotation, sensitive signal output, long‑term anti‑fatigue performance. It is the ideal aftermarket replacement solution for broken, loose, unresponsive or worn‑out original knobs during excavator interior electrical repair.

🔹Detailed Specifications

🔹Key Features & Advantages

✅ Exact OEM Fitment Precision‑manufactured size, perfectly matches the original mounting hole and wiring plug, zero‑modification plug‑and‑play installation.

✅ High‑Strength Wear‑Resistant Housing Premium plastic material resists long‑time frequent twisting, anti‑aging, not easy to crack in‑cab environment.

✅ Stable & Sensitive Signal Transmission High‑precision internal electronic contacts deliver accurate speed‑adjustment signals to the machine controller.

✅ Smooth Rotation Feel Optimized internal rotary‑structure, comfortable rotating damping, no jamming or stuck‑knob failure.

✅ Dust‑proof & Anti‑interference Design Inner protection structure prevents dust and moisture from entering, greatly lowering contact‑fault risk.

✅ Full Function Testing Before Delivery Every rotary knob is tested for rotation sensitivity and signal output performance before shipment.

✅ Simple On‑site Installation Direct replacement for old damaged knob, short maintenance time, reduce excavator downtime.

🔹Application Scope

Compatible with Hitachi excavator models: ‑ ZAXIS200 ‑ ZAXIS220 ‑ ZX330 Perfect for cab control panel overhaul, throttle‑knob fault repair, and excavator interior electrical‑system maintenance.

🔹Our Company Advantage

We are a professional supplier of full‑range excavator and heavy‑duty construction machinery spare parts. We supply cab switches, controller boards, monitor displays, sensors, hydraulic spare‑parts and undercarriage components for Hitachi, Komatsu, Hyundai, Sany, Cater-pillar, and other well‑known machinery brands. ‑ Large‑scale inventory of Hitachi excavator cabin electric spare‑parts ‑ Factory‑direct competitive wholesale price ‑ Fast shipment for in‑stock goods ‑ Support mixed‑order & one‑stop spare‑parts procurement ‑ Professional part‑number matching technical support service

🔹Packaging & Shipping ‑

Individual sealed anti‑dust bag + foam shock‑proof inner protection ‑ Outer reinforced hard carton for long‑distance sea‑transport protection ‑ Multiple shipping solutions: sea freight, air freight, express courier for small trial orders ‑ Export documents (Commercial Invoice, Packing List) can be provided.

🔹Contact Us

If you need more Hitachi excavator control switches, cabin electrical components or other heavy machinery replacement parts, please send your parts list to us. We will send you our best quotation promptly.