CAT 3N4403 FRAME A for 3306 Caterpillar Part - WSTPARTS

WSTPARTS supplies the 3N4403 FRAME A, a CAT Undercarriage replacement part designed for Caterpillar 3306 applications. It is categorized under Undercarriage. Every unit is fitment-verified before dispatch. Manual reference: 3306: GENERATORS, group 244-4461, page 1622; 3306: GENERATORS, group 100-4482, page 1533.

3N4403 FRAME A for Caterpillar 3306 — Genuine & OEM Replacement Part

WSTPARTS supplies genuine and high-quality OEM replacement FRAME A (Part # 3N4403). Designed for CAT 3306 equipment.

Compatible Models

Key Features

• ✔ 100% compatible with CAT 3306
• ✔ Meets Caterpillar original quality and performance standards
• ✔ Genuine CAT parts with anti-counterfeit label | OEM alternatives with warranty
• ✔ Available for order, contact for lead time

Specifications

Part Number (MPN)	3N4403
Product Name	FRAME A
Brand	CAT
Applicable Models	3306
Weight	6.35 kg
Condition	New (Genuine / OEM Equivalent)
Warranty	12 Months

Where This Part Fits

Every row below is a real listing of 3N4403 in the Caterpillar parts manual: the machine it is published under, the system it belongs to, the group number and the manual page. Use it to confirm the part against your own parts book before ordering.

Machine	System	Group No.	Manual Page
3306	GENERATORS	244-4461	p.1622
3306	GENERATORS	100-4482	p.1533
3306	GENERATORS	149-6130	p.1536
3306	GENERATORS	149-6130	p.1539
3306	GENERATORS	149-6130	p.1542
3306	GENERATORS	149-6130	p.1545
3306	GENERATORS	033-2075	p.1548
3306	GENERATORS	033-2075	p.1551

System Notes — GENERATORS

The generators group covers the alternator end of a generator set: stator, rotor, exciter, bearings, coupling disc, terminal box and the voltage regulation hardware. It converts engine rotation into electrical output at a held voltage and frequency. Bearing wear and insulation degradation are the two long-term concerns — a bearing that starts to rumble will eventually seize and take the rotor with it, while moisture and heat slowly break down winding insulation. Parts in this group are replaced when vibration rises, when insulation resistance falls on a megger test, or when output voltage becomes unstable under load.

FAQ

Is 3N4403 the right part for my machine?
Match the part number on your old part, or send us your equipment serial number — WSTPARTS verifies fitment free of charge for CAT 3306.

Genuine vs OEM replacement — what is the difference?
Genuine CAT parts carry an anti-counterfeit label. OEM equivalents are built to the same specifications, bench-tested and supplied with full warranty at a better price.

Stock, shipping and warranty?
Lead time confirmed on request; we quote the fastest available option. Every order is covered by a 12-month warranty.

📞 Get a Quote: Contact the WSTPARTS parts team | Email: cat@wstparts.com