Description
D-55974-90 Tower Crane Ventilated Brake Disc
Model No.:d-55974-90
The D-55974-90 is a ventilated brake disc used in compatible tower crane motor braking systems. Its ventilated disc structure is associated with the braking assembly and is designed to work with the corresponding brake components to control and stop motor rotation.
D-55974-90 is identified in tower crane spare-parts references as a fan disc / ventilated brake disc and is associated with Manitowoc and Potain tower crane applications. The exact crane model and brake assembly should be confirmed before ordering.
Product Applications
- Tower crane motor braking system
- Tower crane brake assembly
- Electric motor braking system
- Tower crane maintenance
- Tower crane brake spare parts
- Manitowoc / Potain compatible crane applications
Technical Specifications
| Item | Specification |
| Product Name | Brake Disc |
| Part Number | D-55974-90 |
| Equipment | Tower Crane |
| Application | Tower Crane Motor / Brake Assembly |
| System | Motor Braking System |
| Usage | Replacement / Maintenance / Repair |
| Condition | Replacement Spare Part |
| Function | Motor Braking |
Product Details Display

Our Advantages
- Professional supplier of tower crane spare parts
- Competitive pricing
- Stable supply and fast delivery
- Strict quality inspection before shipment
- Export experience to global markets
FAQ
Q1: Are you a manufacturer or a trading company?
A1: We are a manufacturer specializing in tower crane steel components. Additionally, we act as an integrated supplier for other construction machinery and spare parts to provide a one-stop sourcing solution for our clients.
Q2: What is your standard delivery time?
A2: For items in stock, we can ship within 1-2 business days. For bulk orders or customized products, the lead time is typically 15-25 days, depending on the order volume.
Q3: How do you ensure product quality?
A3: Quality is our priority. We implement strict pre-shipment inspections for every order. Furthermore, we offer a 1-year warranty to ensure our clients’ peace of mind.
Q4: What are your packaging standards?
A4: We use standard export seaworthy packaging, including robust wooden cases and reinforced cartons. They are specifically designed to withstand the rigors of long-distance international shipping.
Q5: Which shipping methods do you support?
A5: We support multiple shipping channels, including Sea Freight (LCL/FCL), Air Freight, and International Express (DHL/FedEx/UPS), to meet different urgency and budget requirements.
Q6: What happens if the goods are damaged during transit?
A6: While our robust packaging prevents most damage, if any issues occur, we will take immediate action. We will negotiate compensation or provide a reshipment/replacement service based on the specific situation.
Q7: What is D-55974-90?
A7: D-55974-90 is a ventilated brake disc, also referred to as a fan disc, used in compatible tower crane motor braking systems.
Q8: What is the function of D-55974-90?
A8: The brake disc works with the corresponding brake components to generate friction and control or stop the rotation of the crane motor.
Q9: Where is D-55974-90 used?
A9: It is used in compatible tower crane motor and brake assemblies. Trade and spare-parts references associate the part with Manitowoc and Potain tower crane applications.





Reviews
There are no reviews yet.