22U-06-22470 22U0622470 Knob Excavator Spare Parts For KOMATSU PC1250 PC1250SE PC1250SP

• 22U-06-22470 22U0622470 Knob Excavator Spare Parts For KOMATSU PC1250 PC1250SE PC1250SP

• Specification

• Function and Application

1.Precise Speed Regulation in Work Segments:
In segmented operations (e.g., excavating, lifting, or transporting materials), the knob allows operators to adjust engine speed incrementally. For high-power segments like breaking hard soil or lifting heavy loads, rotating the knob increases fuel injection, raising engine RPM to deliver maximum torque. In low-intensity segments such as fine positioning or idle movement, reducing the knob setting lowers RPM, optimizing fuel efficiency and minimizing noise.

2.Integration with Equipment Modes:
This knob often synchronizes with the machine’s operational modes (e.g., "power" or "economy"). In power mode, the knob’s range is calibrated to prioritize higher speeds for demanding tasks, while in economy mode, it limits maximum RPM to conserve fuel during lighter workloads, ensuring efficient performance across different work segments.

3.Ergonomic Control for Sequential Tasks:
Positioned within easy reach in the cab, the knob enables quick adjustments between sequential operational segments (e.g., switching from digging to swinging the boom). Its tactile design and responsive rotation allow operators to fine-tune engine output without interrupting workflow, enhancing precision and productivity in multi-step tasks.

• Compatible models

• More knob parts fit for KOMATSU machinery

• Catalog parts list

• We could supply the following spare parts

1 Hydraulic parts: hydraulic pump, main valve, hydraulic cylinder, final drive, travel motor, swing machinery, swing motor etc.

2 Engine parts: engine ass’y, piston, piston ring, cylinder block, cylinder head, crankshaft, turbocharger, fuel injection pump, starting motor and alternator etc.

3 Undercarriage part: Track roller, Carrier roller, Track Link, Track shoe, Sprocket, Idler and Idler cushion etc.

4 Cab parts: operator’s cab, wiring harness, monitor, controller, seat, door etc.

5 Cooling parts: Radiator, air conditioner, compressor, after cooler etc.

6 Other parts: Service kit, swing circle, engine hood, swing joint, fuel tank, filter, boom, arm, bucket etc.

• Advantage

1. Offer Top quality & competitive products

2. Support 12-month warranty

3. 100% tested before shipping

4. Delivery in time

5. A wide range of Oil Pressure Sensor, Fuel Tank Level Sensor, Temperature Sensor, Speed Sensor for excavator 

6. More than 15 years production and 11 years foreign trade experience

7. Professional QC team

8. Best sales team, 24 hours service

• Packing and Shipping

Packing Details :

inner packing : plastic film for wrapping

external packing : wooden

Shipping :

within 3 days after received the payment , by air or by express or by sea on the basis of the

quantity and emergency circumstances.

1. By Couriers: DHL, UPS, FEDEX, TNT are the main courier companies we are cooperated,

2. By Air: Delivery from the Guangzhou air port to customer's destination city air port.

3. By Sea: Delivery from the Huangpu port .

• Product Warranty

1. Warranty Period: 3 Months' warranty from the date of arrival. Longer period of 6 months' warranty could be offered with higher price level.

2. Warranty type: replacement of the parts that have quality problem.

3. Warranty is not valid for below s

* Cutomer give wrong information about the order

* Force Majeure

* Wrong installation and operation

* Rust because of wrong stock & maintenance