ZF 4644.302.138 SPUR GEAR
ZF Part Number: 4644.302.138 (also written as 4644302138 / 4644.302.138 / 4644 302 138)
Compatible ZF Transmission Models
This spur gear is used in the following ZF transmission models:
- ZF 6 WG 200(555)
- ZF 6 WG 201
Part Location in Assembly
| Section | Position No. | Qty |
|---|---|---|
| Input | 050 | 1 |
Related Parts in Same Assembly
- 0501.317.160 — INDUCTIVE SENSOR (Qty: 1)
- 0736.029.001 — ANTI-FATIGUE BOLT (Qty: 12)
- 0750.131.053 — REPLACEMENT FILTER (Qty: 1)
- 4166.232.026 — CIRCUIT COVER (Qty: 1)
- 4642.306.050 — COVER PLATE (Qty: 1)
- 4642.306.161 — VALVE HOUSING (Qty: 1)
- 4642.307.005 — SPEEDO CONN.PCE (Qty: 1)
- 4644.221.002 — SUCTION TUBE (Qty: 1)
Frequently Asked Questions
What is ZF part number 4644.302.138?
ZF 4644.302.138 is an OEM spur 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 6 WG 200(555), 6 WG 201. This is a genuine ZF component, not an aftermarket reproduction.
Which ZF transmissions use 4644.302.138?
This spur gear is found in 2 ZF transmission variants, including: 6 WG 200(555), 6 WG 201. 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 4644.302.138 installed in the transmission?
This spur gear is located in the input area of the transmission. It appears in 9 different assembly configurations. In the service manual, look for position number 050 in the Input section.
How do I look up ZF part 4644.302.138?
This part can be found under several formats: 4644302138 / 4644.302.138 / 4644 302 138. 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 (4644.302.138).
How do I inspect ZF 4644.302.138?
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 4644.302.138?
You can purchase genuine ZF 4644.302.138 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 4644.302.138 is located within the transmission assembly.
