• 198-911-9410 1989119410 Controller KOMATSU Bulldozer Spare Parts For D31EX-21 D275A-5R

• Specification

• Function

It is mainly responsible for collecting various information, such as the temperature, pressure, speed, and switch - quantity of the engine, hydraulic pump, multi - way directional control valve, and executive components (hydraulic cylinders, hydraulic motors), etc. After comprehensive calculation and processing of various measured values, set values, and operation signals, it sends out relevant control information to control the engine, hydraulic pump, hydraulic control valve, and the entire machine. For example, it can control the speed of the diesel engine, adjust the power of the hydraulic pump, and realize the power matching between the hydraulic system and the diesel engine to ensure that the hydraulic system can fully absorb the power of the diesel engine without stalling the diesel engine. In addition, it can also realize functions such as automatic idle speed and over - heat protection.

• Compatible models

• More other contriller parts fit for KOMATSU machine

• 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 .