Precision gears made from 4120 alloy steel. For all new parts, no stock core is required. Factory fit and
installation process.
Replaces the following OEM part numbers for a 35% gear reduction: 23120-HP0-A00 & 22100-HP0-A00
Tire recommendation for 35% gear reduction: Rancher 420 should run a 28, 30, or 32” Terache Aztex
tire. Foreman 500/520 should run a 30, 32, or 33” Aztex tire.
This reduction fits manual foot shift (E.g. trx420FM) and manual electric shift (E.g. trx420ES/FE) Honda
Rancher, Foreman, Rubicon and Pioneer 500/520
*We recommend Electric shift (ES/FE) and Pioneer machines install speedoDRD for proper shifting*
This Does Not fit DCT double clutch transmission (trx420FA & trx500FA) machines

Model Fitment:
Rancher 420 trx420fm trx420fe 2007-2025
Foreman 500 trx500fm trx500fe 2005-2019
Foreman Rubicon 500 trx500fm 2015-2019
Foreman 520 trx520fm trx520fe 2020-2025
Foreman Rubicon 520 trx520fm 2020-2025
All year's pioneer 500/520 (requires speedoDRD)
If you have questions about fitment, send us a message on our Facebook page for a quick response:
https://www.facebook.com/terachetires

Warranty: Each Terache Gear reduction carries a Limited Lifetime warranty against manufacturing
defects to the original purchaser. Additionally, Terache will cover up to $1,000.00 in parts and labor towards replacing the gear reduction and repairing damage associated with a gear failure. Warranty claims are subject to review and approval by the Terache technical team.

DISCOUNT AT CHECKOUT.

$100.00 OFF Gear Reduction + 4 Aztex Mud Tires

Honda 35% Gear Reduction Honda 35% Gear Reduction