Product Details

KHR1290 KHR1346 Stepper Throttle Motor for Sumitomo SH200-3 SH240-3 Excavator Replacement Supplier

KHR1290 KHR1346 Throttle Motor for Sumitomo SH200-3 SH240-3 Supplier

Reliable Stepper Motor 12-Line Replacement for Heavy Equipment Excavator Engine Control

1. Precision Engine Speed Control with KHR1290 and KHR1346

Maintain your excavator peak performance with the high-precision KHR1290 and KHR1346 throttle motors. These 12-line stepper motors are specifically engineered for Sumitomo SH200-3 and SH240-3 series. As a critical component of the engine control system, a faulty motor leads to irregular RPMs and increased fuel consumption. Replacing it with an OEM-standard motor ensures immediate response and fuel efficiency.

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2. Product Specification Comparison Table

Compare our premium aftermarket replacement with standard market options to see why repair shops trust our parts.

Features	Our OEM Replacement (KHR1290 / KHR1346)	Ordinary Aftermarket Parts
Wire Configuration	Internal 12-Line Precision Winding	Standard 12-Line (Low Density)
Internal Gear Material	High-Strength Hardened Alloy Steel	Recycled Plastic or Soft Metal
Response Speed	Real-time RPM feedback sync	Delayed or Erratic response
Operating Lifespan	Tested for 10,000+ hours operation	Frequent failure after 1,000 hours
Housing Durability	Waterproof and Dust-sealed Alloy Case	Thin metal prone to corrosion
Compatibility	Plug-and-play for SH200-3 / SH210-3 / SH240-3	Difficult installation, wiring errors

3. Detailed Product Information

Model NO.	SH200-3, SH210-3, SH240-3, SH330-3, SH350-3
Product Name	Throttle Motor / Stepper Motor (12 Wires)
Part Number	KHR1290, KHR1346 (Alternative: KHR-1290, KHR-1346)
Payment Terms	T/T, Western Union, MoneyGram
Delivery Methods	Express (DHL, Fedex, EMS, UPS), Air, or Sea Freight
Condition	Brand New, OEM Standard Replacement
Stock Status	In Stock / Fast Dispatch within 24 Hours
Application	Excavator engine rebuild, overhaul, and routine maintenance

4. Expert Maintenance & Troubleshooting (FAQ)

Q1: Why is my Sumitomo SH200-3 throttle not responding to the dial?

Commonly, this is caused by internal gear wear or electrical shorts in the 12-line harness. If the KHR1290 motor shows resistance during manual testing, it requires immediate replacement to avoid ECM damage.

Q2: Can I use KHR1346 to replace an older KHR1290 unit?

Yes, for the SH240-3 series, KHR1346 is the updated standard. It provides better torque and heat resistance compared to earlier iterations, ensuring stable engine RPM during heavy hydraulic loads.

Q3: Why Choose This Throttle Motor?

Our units utilize an OEM-standard tri-metal structure for internal gears and are Trusted by repair shops & equipment fleets worldwide for their durability in harsh mining and construction environments.

5. Professional Support for Fleet Operators

Not sure how this issue affects your equipment? Our team helps operators:

Identify potential risks during maintenance of Sumitomo fuel systems
Recommend suitable replacement parts if needed based on serial numbers
Support both inspection advice and reliable parts supply for overhaul projects

6. Send Your Part Number for a Quick Quote

Enter your details below to check availability for KHR1290 / KHR1346:

About Our Company: We are a leading supplier of heavy-duty engine assemblies and precision components. Our inventory covers major brands including Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. We specialize in providing high-quality engine parts such as Cylinder Liners, Pistons, Piston Rings, Main Bearings, Con-rod Bearings, Thrust Washers, Overhaul Gasket Kits, Diesel Fuel Injection Pumps, Fuel Injectors, Crankshafts, Turbochargers, Water Pumps, Oil Pumps, Cylinder Blocks, Cylinder Heads, and Connecting Rods.

Explore Our Service: Sumitomo excavator engine rebuild parts, SH200-3 fuel system components, aftermarket throttle motor supplier, SH240-3 engine overhaul kit, KHR1290 price online, KHR1346 compatibility guide, Cummins engine gasket set, Komatsu hydraulic parts replacement, Caterpillar piston ring kits, Isuzu diesel injector repair, Kubota tractor engine spares, Yanmar marine engine components, Weichai truck engine parts, heavy equipment maintenance parts, excavator stepper motor wiring, SH210-3 replacement motor, engine crankshaft bearing sets, turbocharger repair kits China, diesel water pump supplier, high precision cylinder head for sale.

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