ZF 4646.323.002 SUN GEAR
ZF Part Number: 4646.323.002 (also written as 4646323002 / 4646.323.002 / 4646 323 002)
Compatible ZF Transmission Models
This sun gear is used in the following ZF transmission models:
- ZF 3 WG 310
- ZF 3 WG 310(4)
- ZF 6 WG 250
- ZF 6 WG 260
- ZF 6 WG 310
Part Location in Assembly
| Section | Position No. | Qty |
|---|---|---|
| Crawler | 040 | 1 |
| Output | 040 | 1 |
Related Parts in Same Assembly
- 0501.208.244 — SUCTION FILTER (Qty: 1)
- 0501.213.026 — GEAR PUMP (Qty: 1)
- 0501.223.158 — PISTON PUMP (Qty: 1)
- 0637.100.508 — UNION SCREW (Qty: 3)
- 4168.037.034 — CONVERTER (Qty: 1)
- 4644.306.560 — VALVE BLOCK (Qty: 1)
- 4646.301.104 — HOUSING (Qty: 1)
- 4646.302.013 — INPUT SHAFT (Qty: 1)
Frequently Asked Questions
What is ZF part number 4646.323.002?
ZF 4646.323.002 is an OEM sun gear produced by ZF Friedrichshafen AG, one of the world’s largest automotive suppliers. It is designed for use in ZF powershift transmissions, specifically in models such as 3 WG 310, 3 WG 310(4), 6 WG 250, 6 WG 260, 6 WG 310. This is a genuine ZF component, not an aftermarket reproduction.
Which ZF transmissions use 4646.323.002?
This sun gear is found in 5 ZF transmission variants, including: 3 WG 310, 3 WG 310(4), 6 WG 250, 6 WG 260, 6 WG 310. These transmissions are commonly used in wheel loaders, graders, and other heavy construction equipment. Contact us to verify fitment for your specific machine.
Where is ZF 4646.323.002 installed in the transmission?
This sun gear is located in the crawler, output area of the transmission. It appears in 11 different assembly configurations. In the service manual, look for position number 040 in the Crawler section.
How do I look up ZF part 4646.323.002?
This part can be found under several formats: 4646323002 / 4646.323.002 / 4646 323 002. All formats refer to the same genuine ZF component. When ordering, any of these numbers will work. The official ZF catalog uses the dotted format (4646.323.002).
How do I inspect ZF 4646.323.002?
Inspect gear teeth for pitting, spalling, cracks, and abnormal wear patterns. Check tooth contact pattern using marking compound. Replace if damage exceeds ZF service limits.
Where can I buy ZF 4646.323.002?
You can purchase genuine ZF 4646.323.002 from PartsZF.com (operated by Tianjin Xiaohang Construction Machinery Co., Ltd). We maintain direct supply channels with ZF and offer worldwide shipping. Contact our parts specialists for current pricing and lead times.
Need this part? Contact our ZF parts specialist for pricing and availability. We ship worldwide with OEM quality guarantee.
Exploded View / Assembly Diagram
The diagram below shows where ZF 4646.323.002 is located within the transmission assembly.




