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TRAILER LOADER DRAWINGS

                                                            MAR STB-15000-HD Log Truck Trailer Loader


Most of the log truck trailer loaders (a.k.a. Trailer Hoists) furnished to the forest products industry from the late 1960's through the 1990's were supplied by MAR Hook and Equipment, Inc. of Aberdeen, WA and later of Sandy, OR. These trailer loaders were manufactured and sold by MAR based on patents provided to company founder John H. Mitchell. So far as I am aware, MAR was the only regular manufacturer of these devices which are mostly found located at log sorting yards in North America and elsewhere.

With the dissolution in 1999 of the MAR corporation and the general downturn in the forest products industry over the past decades, the industry has not had a regular supplier of these helpful devices for awhile. MAR sold their trailer loader parts inventory to Arrow Crane Hoist; and Washington Crane and Hoist also supplies parts for the MAR trailer loaders in order to keep the existing units up and operating.

As Chief Engineer for MAR Hook from 1969 to 1999, I (J.D. Mitchell, P.E.) am quite familiar with the requirements and design of these devices and so I designed an improved UTL model in 2002. My design improved on the proven advantages of the MAR product so that log yard owners would have a way to install new and/or replacement trailer loaders. The copyrighted UTL design is available in the form of engineering drawings which provide all the information needed to manufacture and assemble the 15,000# maximum capacity trailer loader. Crane and Hoist Engineering does not manufacture any equipment or machinery and so the only option is to purchase the drawings for manufacture by others.

Those who would like to purchase a set of these copyrighted drawings can do so for a price of only US$495.00 per set. Additional sets purchased at the same time by the same buyer can be had for only US$95.00 per set (a set for the office and a set for the shop, etc.). Shipping and handling is included for all shipments to locations in the continental United States. Send all inquiries to contact.


                     Assembly Drawing for Crane & Hoist Engineering UTL-15000 Trailer Loader


The standard terms and conditions for the purchase and use of these drawings are included below:

CRANE AND HOIST ENGINEERING

UNIVERSAL TRAILER LOADER DRAWINGS

Standard Terms and Conditions

1. These drawings are intended to be used to manufacture equipment which is never to be used for lifting or transporting people, or for transporting loads over people.

2. Do not manufacture the equipment depicted in the drawings with used or damaged materials. All materials must be new and must meet the specifications as stated in or with the drawings.

3. All associated hoisting machinery used with the equipment made from these drawings and designs must meet Federal Occupational Safety and Health standards and any other applicable local codes and/or standards. Specific codes applicable to trailer loaders are in force in the states of Oregon and Washington and perhaps elsewhere.

4. The standard of care for the engineering and other professional services provided in these designs and drawings will be the care and skill ordinarily used by members of the engineering profession under similar circumstances at the same time in the same locality. No warranties, expressed or implied, are made regarding these designs and drawings and associated services.

5. All equipment depicted in the drawings is intended for manufacture by workers with appropriate skill due to experience and training. Workers must be skilled in blueprint reading, metal fabrication, machining and assembly of cranes or other similar equipment and machinery.

6. All equipment manufactured using these drawings must be load tested and test operated according to applicable codes and standards prior to being handed over for operational or regular use.

7. All drawings are copyrighted and are the property of Crane & Hoist Engineering of Oregon. These drawings and the designs covered by them are not to be reproduced without the expressed written permission of the copyright owner according to the United States Copyright Act.

8. Any directives and/or instructions provided by or with the drawings should be explicitly and completely followed regarding the manufacture and use of the equipment, throughout it entire life.

9. These terms are to be interpreted according to the laws of the state of Oregon.

10. The limit of liability of Crane & Hoist Engineering for any and all claims, losses, costs, damages of any nature whatsoever or claims expenses from any cause or causes as a result of the use of these drawings, shall be so that the total aggregate liability of Crane & Hoist Engineering shall not exceed the total cost paid to Crane & Hoist Engineering for the drawings. Such claims and causes include, but are not limited to, negligence, professional errors or omissions, strict liability, breach of contract or warranty.

11. Any provision or part of these terms and conditions held to be void or unenforceable under laws or regulations shall be deemed stricken and all remaining provisions shall continue to be valid and binding.

Crane & Hoist Engineering

Gresham, Oregon USA