ZF 4644.137.022 EMERGENCY STEERING PUMP
ZF Part Number: 4644.137.022 (also written as 4644137022 / 4644.137.022 / 4644 137 022)
Compatible ZF Transmission Models
This emergency steering pump is used in the following ZF transmission models:
- ZF 4 WG 180(555)
- ZF 4 WG 200
- ZF 4 WG 200(555/5)
- ZF 4 WG 208
- ZF 4 WG 208 B
- ZF 6 WG 200(555/5)
Related Parts in Same Assembly
- 0501.008.070 — BRAKE (Qty: 1)
- 0501.224.618 — BRAKE BLOCK (Qty: 2)
- 0750.131.053 — REPLACEMENT FILTER (Qty: 2)
- 4168.030.105 — CONVERTER (Qty: 1)
- 4644.221.196 — SUCTION TUBE (Qty: 1)
- 4644.231.179 — OIL LEVEL TUBE (Qty: 1)
- 4644.301.402 — TRANSMISSION HOUSING (Qty: 1)
- 4644.302.188 — INPUT SHAFT (Qty: 1)
Frequently Asked Questions
What is ZF part number 4644.137.022?
ZF 4644.137.022 is an OEM emergency steering pump 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 4 WG 180(555), 4 WG 200, 4 WG 200(555/5), 4 WG 208, 4 WG 208 B. This is a genuine ZF component, not an aftermarket reproduction.
Which ZF transmissions use 4644.137.022?
This emergency steering pump is found in 6 ZF transmission variants, including: 4 WG 180(555), 4 WG 200, 4 WG 200(555/5), 4 WG 208, 4 WG 208 B, 6 WG 200(555/5). 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 4644.137.022 installed in the transmission?
This emergency steering pump is located in the emergency steering pump area of the transmission. It appears in 30 different assembly configurations.
How do I look up ZF part 4644.137.022?
This part can be found under several formats: 4644137022 / 4644.137.022 / 4644 137 022. 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 (4644.137.022).
Where can I buy ZF 4644.137.022?
You can purchase genuine ZF 4644.137.022 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 4644.137.022 is located within the transmission assembly.
