
Adapter Kit 
®
Installation Instructions
BX88185
®
BX88185 Adapter Kit
 e BX88185 Adapter Kit is designed to adapt Blue Ox® tow bars to Roadmaster brackets which 
are equipped with the cross bar already.
CONTENTS:
Qty.  Part #  Description 
2  61-5639  Wldm’t, Adapter, Roadmaster 
8  290-0381  Washer, .051 x .523 
2  202-0143  1/2-13 Essna jam Nut, ZP 
2  202-0645  1/2-13 x 2 Hx Bolt, Shrt  read
Installation Instructions
1. Remove existing tow bar lug from the leg pivot.
2. Install adapters to the tow bar leg pivots using the 
hex bolts, nuts, and washers.
3. To attach the tow bar to the brackets, insert adapters 
into the attachment tabs of the bracket. Align the holes 
of the adapters with the holes of the brackets and pin in 
place using the existing bracket pins. 
At Blue Ox® we pride ourselves in off ering 
exceptional customer service to our valued 
customers. 
If you have any questions, comments, or 
concerns please feel free to contact a member of 
our 24/7 Customer Care Team by calling (402) 
385-3051 or 
toll free at (888)425-5382.
BLUE OX
®
Customer Service Commitment
Blue Ox® is focused on providing exemplary customer service, 
as observed in our mission statement and guiding principles. In 
accordance with this objective, Blue Ox® is proud to provide services 
such as repairs and general maintenance of Blue Ox® products at 
over 150 RV Rallies. Look for our Destination America or Blue Ox® 
Racing service crews at the next rally or race that you attend. If you 
were not present, you will fi nd an informative, personalized note 
explaining any services that may have been performed to
 your Blue Ox® products. 
Blue Ox® also off ers educational seminars at rallies and through our 
Parks and Resort teams. In addition, Blue Ox® customers visiting our 
factory may take advantage of the well-equipped Blue Ox® RV park 
at no charge to you, our valued and appreciated customer.
WARNING:
USE ONLY GENUINE FACTORY REPLACEMENT PARTS.
Do NOT substitute homemade or non-typical parts. This may cause 
your adapter kit to fail and result in injury or death. If repairs of parts 
or components of your adapter kit are needed, you may order them 
through your nearest Blue Ox® dealer or distributor, or call our 24/7 
Customer Care Team at (402) 385-3051 or toll free at (888) 425-5382.
Page 1 of 1   04/06
One Mill Road, Industrial Park
© 2006 Blue Ox 
Pender, Nebraska 68047
Phone: (402) 385-3051 
 Fax: (402) 385-3360
www.blueox.us
292-2837