4JJ1 Starter 1876183830 ISP Brand For Excavator ZX160-3 ZX180-3 4JJ1 Engine Motor 8980450272 Volt 24V 4.0Kw

Isuzu ISP 4JJ1 Starter

The Role of the Starter Motor in an Excavator

The starter motor (or starter) is a critical electrical component in an excavator, responsible for initiating the engine's operation. Unlike the engine, which provides continuous power, the starter motor's primary function is to crank the engine until it starts running independently. Below is a detailed breakdown of its purpose and importance:

Core Functions

Engine Cranking:

Converts electrical energy (from the battery) into mechanical rotation to turn the engine’s flywheel.

Generates enough torque to overcome the engine’s initial resistance (compression, friction, etc.).

Ignition Assistance:

Works with the ignition system (in diesel engines, the glow plugs/pre-heating system) to ensure a smooth cold start.

Critical in low-temperature environments where engines are harder to start.

Safety Interlock:

In modern excavators, the starter motor often integrates with safety switches (e.g., neutral gear detection) to prevent accidental starts.

Key Components & Operation

Solenoid Switch:

Acts as a relay, connecting the battery to the starter motor when the ignition key is turned.

Pinion Gear:

Engages with the engine’s flywheel ring gear to rotate the crankshaft.

Brushes & Commutator:

Transmit electrical current to the armature, generating rotational force.

Process:

Operator turns the key (or presses start button).

Solenoid activates, pushing the pinion gear into the flywheel.

High-current flow spins the starter motor, cranking the engine.

Once the engine starts, the pinion disengages automatically.

HOW TO CONTACT US

Our Service

1. General agent of ORIGIN PARDS in China , responsible for brand operations .

2. Supply ORIGIN PARDS , good quality aftermarket parts , ISUZU genuine parts , ISUZU Bvp parts , OEM parts .

3. Over Thirty years of retail and wholesale experience of auto parts . Sales group with average of five years experience , can reply any professional question . Also equip a professional quality inspection team.

4. Running seven stores in local market , manage in commercial vehicle and industrial engine parts .

5. Ample inventory and short delivery time

6. Can offer competitive purchase price to our client , cause we attain developed distribution channel over the world.


FAQ

1.Q:What is your terms of payment?
A:T/T or Western Union 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

2.Q:Are you manufacturer or trading company?
A: We are both factory and trading company , we combination for more than 10 years , have invested in 3 factories.

3.Q: How about the delivery time of the goods?
A: For testing sample, which it depends on the storage.
For bulk production, the delivery time is about 15-30 days based on order situation.

4.Q.:Can you produce according to the samples?
A: Clients’ sample and drawing is welcome. We are able to produce the specific products according to your sample and drawing .
If you do not find the product you need, tell us detailed information, we have the ability to design and manufacture as requested.

5.Q: Can I get a lower price if I order large quantities?
A: We give discount according to client's quantity .