MacDon R85, Installation Instructions Manual, Page: 3 / 42

Introduction
The Bevel Gearbox kit (MD #268040) is used to replace the cutterbar drive gearbox (also known as the bevel
gearbox) on R85 16-Foot Rotary Disc Self-Propelled Windrower Headers and Pull-Type Mower Conditioners built in
model year 2015 or earlier. The new gearbox is factory-installed on headers built in model year 2016 and later.
This document explains how to install the kit. A list of parts included in the kit is provided in Chapter 2 Parts List,
page 5 .
Installation Time
Installation time for this kit is approximately 3-1/2 hours.
Conventions
The following conventions are used in this document:
• Right-hand (RH) and left-hand (LH) are determined from the operator’s position. The front of the header/mower
conditoner is the side that faces the crop.
• Unless otherwise noted, use the standard torque values provided in the header operator’s manual and technical
manual.
NOTE:
Keep your MacDon publications up-to-date. The most current version of this instruction can be downloaded from
our Dealer-only site (
https://portal.macdon.com ) (login required).
NOTE:
This document is not currently available in any language except English.
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