Product Description
A brake slave cylinder plays a vital role in tractor braking systems, transmitting hydraulic pressure to activate brake mechanisms. This OEM-spec cylinder (81866484, E9NN2N448AB) is designed for New Holland Drive D61/D64, Ford 5640-8340, and Case Farmall tractors, offering reliable, leak-resistant operation.
Why Choose This Slave Cylinder?
✅ Direct OEM Fit – Seamless replacement for New Holland, Ford, and Case models
✅ Durable Cast Iron Build – Withstands high-pressure demands (zinc-plated or painted finish)
✅ Precision Hydraulic Ports – 4xM10x1 threaded outlets for secure connections
✅ Wide Compatibility – Works across multiple tractor series
Perfect for agricultural equipment suppliers, tractor repair shops, and OEM parts distributors. Bulk pricing available for wholesale buyers.
Why Choose HBS?
As a trusted brake master cylinder manufacturer, we specialize in high-volume OEM replacements for B2B tractor parts distributors. Bulk orders available for cost-efficient inventory stocking.
Product Information
| OEM Part Numbers | 81866484, E9NN2N448AB, HBS0120-029 |
| Compatible Brands | New Holland, Ford, Case |
| Bore Diameter | 13/16″ |
| Material | Cast Iron |
| Surface Treatment | Natural / Black Paint / Zinc Plating |
| Thread Spec | 4xM10x1 |
| Key Applications | Tractors (New Holland D61/D64, Ford 5640-8340, Case Farmall 110A-140A) |

About HBS
Hipsen(Quzhou) Brake System Parts Co., Ltd (HBS) is a professional manufacturer of auto brake master cylinders. We produce aftermarket parts and provide custom manufacturing services.
Our products have been exported to North America, Europe…etc since 2015. We have been verified with a quality certificate of ISO9001:2015, and the ISO/TS16949 certificate is coming in 2024.
Both the finished products and the production processes have received recognition from the brands we have collaborated with For example, Cardone, Ford Otosan, Polaris, Electra Meccanica, Wildwood, Hayes, and ZongShen.
Why Choose HBS

Numerous models in stock One-year Warranty Friendly Payment Methods
Complete coverage, check in Brake Cylinder Technicians follow the whole after-sales process; Safe payment methods or percentage for you
Provide solutions within three working days can be negotiated
DRIVE WITH CONFIDENCE