1. Product Overview
The Zuide Front Lower Door Cross Brace, part number 6730816, is a critical structural component designed for specific Bobcat Skid Steer models. This brace provides essential support and rigidity to the front lower door assembly, contributing to the overall structural integrity and operational safety of the equipment.
Compatibility: This cross brace is specifically engineered to be compatible with the following Bobcat Skid Steer models:
- Bobcat S220
- Bobcat S250
- Bobcat S300
- Bobcat S330
- Bobcat A300
It is crucial to verify the part number and visual appearance against your existing component to ensure correct fitment before installation.

Figure 1: Main view of the Zuide Front Lower Door Cross Brace (Part No. 6730816).
2. Installation Guidelines
Proper installation of the front lower door cross brace is essential for the safe and effective operation of your Bobcat Skid Steer. It is recommended that installation be performed by a qualified technician. Always refer to your Bobcat Skid Steer's official service manual for detailed, model-specific instructions.
2.1. Pre-Installation Checks
- Verify Part: Confirm that the received cross brace (Part No. 6730816) matches the required component for your specific Bobcat model. Compare the physical appearance and mounting points.
- Inspect Condition: Before installation, thoroughly inspect the new cross brace for any signs of damage during shipping, such as bends, cracks, or missing paint.
- Gather Tools: Ensure all necessary tools for removal of the old brace and installation of the new one are available. This typically includes wrenches, sockets, and potentially a pry bar.

Figure 2: Angled view of the cross brace, showing mounting holes.
2.2. Installation Steps (General)
- Safety First: Park the skid steer on a level surface, engage the parking brake, and turn off the engine. Disconnect the battery if necessary to prevent accidental operation.
- Access the Area: Depending on the Bobcat model, you may need to remove surrounding components to gain clear access to the front lower door cross brace.
- Remove Old Brace: Carefully unbolt and remove the existing cross brace. Note the orientation and attachment points for reference.
- Position New Brace: Align the new Zuide cross brace (Part No. 6730816) into its correct position. Ensure all mounting holes align perfectly with the corresponding points on the skid steer frame.
- Secure Fasteners: Insert and hand-tighten all bolts. Once all bolts are in place, progressively tighten them to the manufacturer's specified torque settings. Do not overtighten.
- Reassemble: Reinstall any components that were removed to gain access.
- Final Check: Visually inspect the installed brace to ensure it is securely fastened and properly aligned.

Figure 3: Top-down view of the cross brace, highlighting its structural design.
3. Functionality and Operation
Once correctly installed, the Front Lower Door Cross Brace functions as a critical structural reinforcement for the Bobcat Skid Steer's front door assembly. It is designed to absorb and distribute forces, preventing deformation and ensuring the proper alignment and operation of the door. This component does not require active operation; its function is passive, providing continuous structural support during the machine's use.

Figure 4: Side view of the cross brace, showing its profile.
4. Maintenance
The Zuide Front Lower Door Cross Brace is a durable component designed for longevity. Regular inspection and basic maintenance can help ensure its continued performance and extend its lifespan.
- Visual Inspection: Periodically inspect the cross brace for any signs of wear, corrosion, cracks, or deformation. Pay close attention to the weld points and mounting areas.
- Fastener Check: Ensure all bolts securing the cross brace are tight and free from corrosion. Re-tighten to specifications if necessary.
- Cleaning: Keep the brace free from excessive dirt, mud, and debris, which can accelerate corrosion. Clean with appropriate cleaning agents for metal surfaces.
- Corrosion Protection: If the protective coating is chipped or damaged, consider touching up with a suitable rust-inhibiting paint to prevent corrosion.

Figure 5: Close-up view of a mounting hole on the cross brace.
5. Troubleshooting
Most issues related to the cross brace are typically associated with incorrect part selection or installation.
| Problem | Possible Cause | Solution |
|---|---|---|
| New brace does not fit or align with mounting points. | Incorrect part number for your Bobcat model. | Double-check the part number (6730816) against your Bobcat's requirements. Contact customer support if there's a discrepancy. |
| Brace appears bent or damaged upon arrival. | Shipping damage. | Do not attempt to install. Contact customer support immediately for a replacement. |
| Excessive vibration or noise from the door area after installation. | Loose fasteners or improper installation. | Re-check all mounting bolts for proper torque. Ensure the brace is seated correctly without obstruction. |

Figure 6: Detailed view of a structural bend in the cross brace.
6. Specifications
| Attribute | Detail |
|---|---|
| Product Name | Front Lower Door Cross Brace |
| Part Number | 6730816 |
| Brand | Zuide |
| Condition | New |
| Compatible Models | Bobcat S220, S250, S300, S330, A300 Skid Steer |
| ASIN | B0D1XR6VW4 |
| Date First Available | April 17, 2024 |

Figure 7: Close-up view of another section of the cross brace, showing its finish.
7. Warranty Information
This Zuide Front Lower Door Cross Brace (Part No. 6730816) comes with a 6-month warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage resulting from improper installation, misuse, neglect, accident, or unauthorized modification.
For warranty claims, please retain your proof of purchase and contact customer support.
8. Customer Support
We are committed to customer satisfaction. If you have any questions or concerns regarding the Zuide Front Lower Door Cross Brace, including compatibility, installation, or warranty claims, our friendly and professional customer service team is ready to assist you.
Please refer to your purchase documentation or the seller's contact information for direct support channels. When contacting support, please provide the product name (Front Lower Door Cross Brace) and part number (6730816) for faster assistance.