Tuff Torq 7E127129001 HST Set

Matched hydrostatic components matter when the repair involves a complete drive set. Tuff Torq part 7E127129001 is supplier-identified as an HST set for equipment originally using this exact number.

A set should be verified as a whole. Do not assume it can be substituted from a visually similar model or that individual pieces interchange with another assembly.

Why this matters

• A matched set gives the technician a defined repair package.
• Exact-number selection protects against control, shaft, port, and mounting differences.
• Positive identification supports accurate service-document and parts-diagram lookup.

Verified identification

Official Tuff Torq resources

• Tuff Torq OEM parts portal — enter the exact unit identification to locate the applicable parts diagram and service parts.
• Tuff Torq informational downloads — manufacturer reference material by equipment category.

Document note: These are lookup resources, not universal installation instructions. Follow the equipment manufacturer’s model- and serial-specific service procedure.

Ordering, lead time, returns, and warranty

• Match the full identification number on the original component and verify the equipment model and serial number.
• Many HydroDrives-supplied units are built to order and may require approximately 10–15 business days before shipment.
• Approved returns may incur a 20% restocking fee; original and return shipping charges are nonrefundable.
• Build-to-order, installed, used, damaged, or fluid-filled components may be ineligible for return.
• Applicable manufacturer warranty coverage may require authorized-service-center installation. Retain service records.

Orders may ship directly from a U.S. partner warehouse. Availability and timing are subject to supplier confirmation.