4W‑3798 Construction Engine CAT 3406 Diesel Engine For Heavy Duty Excavator
Price:
$6500 - $8200
MOQ:
1
Delivery Time:
7-14 work days
Brand:
CAT
Product Description
Construction Machinery Engine 3406 Diesel Engine 4W‑3798 For CAT
4W‑3798 fuel injector assembly compatible with 3406 series engine, high‑precision aftermarket replacement part for heavy‑duty excavator, truck and mining machinery.
Key Features
- OEM equivalent part number: 4W‑3798, direct fit for 3406 series diesel engine
- High‑strength alloy material, wear‑resistant internal parts for long‑time heavy‑load use
- Stable high‑pressure injection performance, uniform fuel atomization and full combustion
- Improve engine power output, reduce fuel consumption and exhaust black smoke
- Strict factory testing for injection pressure, flow rate and sealing performance
- Standard installation size, plug‑and‑play without modification
- Anti‑corrosion and high‑temperature resistant, adapt to harsh mining and construction conditions
- Compatible with multiple cross‑reference part numbers and engine models
Product Informatio
| Item | Specification |
|---|---|
| Part Number | 4W‑3798 |
| Product Name | Fuel Injector Assembly |
| Main Compatible Engine | 3406 Diesel Engine |
| Type | Mechanical Diesel Fuel Injector |
| Material | High‑strength Alloy Steel |
| Application | Mining Truck, Large Excavator, Bulldozer, Heavy‑Duty Industrial Machinery |
| Condition | Brand New Aftermarket Replacement |
Related products
| Category | Replaceable Part Numbers / Compatible Models |
|---|---|
| General OEM Series | 4W‑3798, 4W‑3797, 4W‑3799, 7W‑0120, 9Y‑3774, 111‑3718 |
| Compatible Engine Models | Suitable for 3406, 3406B, 3406C, 3406E, C15, C18, 3306B, 3508, 3512C |
Fitment Application
Suitable for heavy‑duty mining trucks, large‑tonnage excavators, bulldozers, wheel loaders and
marine engines equipped with 3406 series diesel engines, widely used in mining sites, large
construction projects and industrial power equipment.
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FAQ
Q1: What is the main part number of this fuel injector?
A1: Main part number is 4W‑3798, interchangeable with 4W‑3797, 4W‑3799 and other cross‑reference numbers.
Q2: Which engine is 4W‑3798 mainly for?
A2: Specially suitable for 3406, 3406B, 3406C, 3406E series heavy‑duty diesel engines.
Q3: What machinery does it apply to?
A3: Widely used for mining trucks, large excavators, bulldozers and other heavy‑duty construction machinery.
Q4: Is this injector fully tested before shipment?
A4: Yes, all products are tested for pressure, flow rate and tightness to meet OEM performance standards.
Q5: Can it be installed directly?
A5: Yes, OEM‑standard size design, direct bolt‑on replacement without adjustment.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Guangzhou Lanxin Machinery Equipment Co., Ltd
Location
No. 407, Building 4, Tianji International Machinery, 12 Dongheng Sanlu Road, Zhujun District, Guangzhou City
Contact Person
Isaac