Buyers RM61780 User Manual

Installation Instructions

RM6-Series

Receiver Mount
Combination Ball Hitch

with Integral Receiver Shank Patent No. 6,139,043

Capacity for Pintle Hook

2,400 lbs. Maximum Vertical Load
12,000 Lbs. Maximum Gross Trailer Weight

9049 Tyler Blvd. • Mentor, Ohio 44060

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Email: [e-mail] • buyersproducts.com

Capacity for Ball Hitch

1-7/8" ball dia. - 12,000 lbs. Maximum Gross Trailer Weight
2" ball dia. - 12,000 lbs. Maximum Gross Trailer Weight
2-5/16" ball dia. - 12,000 lbs. Maximum Gross Trailer Weight

WARNING: Maintain adequate vertical (tongue) load to
properly control the trailer (generally 10%), but do not
exceed the above rated capacities.

Towing Applications

Trailers and equipment designed for over-the-road towing
within the stated capacities. For off-road applications, reduce
the capacities listed above by 25%, and use in conjunction
with a swivel-type drawbar. This pintle hook/ball hitch is
well suited for use in the utility and construction industries.

Drawbar Eye/Ball Hitch Dimensions

2½" to 3" I.D. with 1-1/4" to 1-9/16" diameter section, depend­ing on ball diameter / 1-7/8", 2", 2-5/16" SAE J 684 Ball Hitch
Coupler

Mounting

1. Use a secure receiver mount of sufficient strength to sup-
port the rated capacity of the pintle hook in accordance with
S.A.E. J 849B.

2. Secure with a 5/8" diameter bolt or pin, use locknut or
locking pin to secure bolt or hitch pin.

Operating Instructions for Pintle Hook

1. Before operating, inspect for proper operation, worn, dam-
aged or missing parts, and secure mounting.

2. Open latch by removing safety pin and lifting lock.

3. Position drawbar eye over the horn of the pintle and lower

into place.

WARNING: Do not damage the latch. Be particularly care­ful with the drawbar when coupling and uncoupling.

4. Push latch closed and insert safety pin.

Operating Instructions for Ball Hitch

1. Before operating, inspect for proper operation, worn,
damaged or missing parts, and secure mounting. Correct as
required before use.

2. Open latch by removing safety pin, pull upon lock while
lifting latch.

3. Replace safety pin in hole to retain latch in open position.

4. Position ball coupler over the proper size ball and lock

into place following the instructions of the coupler
manufacturer.

WARNING: Other steps and inspections are also required.
Consult D.O.T. regulations and American Trucking Asso­ciation for complete coupling and uncoupling procedures.

Maintenance

For proper performance, the following should be performed
every 3000 miles or 3 months, whichever comes first.

1. Clean and inspect for proper operation.

2. Inspect, in particular, the coupling area. Replace when

wear exceeds 1/8" (.125") from the original surface profile.

3. Inspect for worn, damaged or missing parts. Replace
as required.

4. Regularly lubricate latch and lock pivots with a light
oil lubricant.

Ball Replacement

1. Use only Buyers replacement balls.

2. Torque locknut to 350 ft. lbs.

3. Replace prevailing torque locknut when it falls below

70 in. lbs. of torque required to thread onto ball shaft.

4.

Check torque specification of ball every 200 miles of towing.

General Information

1. Do not add to, or modify
this product.

2. Do not weld on this product.

WARNING: It is the
user’s responsibility to
ensure that the receiver
mount is capable of
2,400 lb. vertical load
and 12,000 lb. gross
trailer weight.

—continued on back

9049 Tyler Blvd. • Mentor, Ohio 44060

ALTERNATE SAFETY

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Email: [e-mail] • buyersproducts.com

2

3

4.X

Bill of Materials

ITEM NO. PART NO. DESCRIPTI ON

1 P11C Pin, 1/4" Safety Zinc w/Chain
2 0081000 Rivet, Drive #10 x 1/2 Zinc
3 0081600 Washer, #10 Flat SAE Zinc

4.1 RB1780 Ball, 1-7/8" Replacement w/Nut

4.2 RB2000 Ball, 2" Replacement w/Nut

4.3 RB2516 Ball, 2-5/16" Replacement w/Nut

4.4 RB50MM Ball, 50MM Replacement w/Nut
A5 3004987 Pin, 1/4" Safety Zinc w/ Lanyard
A6 300 5013 Washer, Lanyard, Large

1

A5

PIN DESIGN

A6

WARRANTY

Buyers Products Co. warrants all truck/trailer hardware manufac­tured or distributed by it, to be free from defects in material and
workmanship for a period of one year from date of shipment. Parts
must be properly installed and used under normal conditions. Any
product which has been altered, including modification, misuse,
accident or lack of maintenance will not be considered under
warranty. Normal wear is excluded. The sole responsibility of
Buyers Products Co. under this warranty is limited to repairing or
replacing any part or parts which are returned, prepaid, and are
found to be defective by Buyers Products Co. Authorization from
Buyers Products Co. must be obtained before returning any part.
No charges for transportation or labor performed on Buyers’ prod­ucts will be allowed under this warranty.

3001488 Rev. F