TM 9-2320-260-20
CHAPTER 1
INTRODUCTION
Section I.
General Information (page 1-1)
Section II. Equipment Description and Data (page 1-3)
Section III. Principles of Operation (page 1-36)
Section I. GENERAL INFORMATION
1 - 1 . SCOPE
a. This technical manual contains information for unit maintenance of 5-ton, 6x6, M809 series vehicles.
b. Vehicle model numbers and equipment names covered are:
M813 Cargo Truck, W/W and WO/W
M813A1 Cargo Truck, W/W and WO/W (Dropside)
M814 Cargo Truck, W/W and WO/W (XLWB)
M815 Bolster Logging Truck, W/W
M816 Medium Wrecker Truck, W/W
M817 Dump Truck, W/W and WO/W
M818 Tractor Truck, W/W and WO/W
M819 Wrecker Tractor Truck, W/W
M820 and M820A1 Expansible Van Truck, WO/W
M820A2 Expansible Van Truck, WO/W (W/HLG)
M821 Bridge Transporting Stake Truck, WO/W
c. The 5-ton, 6x6, M809 series trucks are designed for transporting and retrieving materials and
personnel.
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Department of the Army forms and procedures used for equipment maintenance will be those prescribed
by DA Pam 738-750, The Army Maintenance Management System (TAMMS).
Procedures for destruction of Army equipment to prevent enemy use can be found in TM 750-244-6.
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Storage and limited storage instructions are in chapter 15 of this manual. Additional information can
be found in TM 746-10, Marking, Packing and Shipment of Supplies and Equipment General Packaging
Instructions for Field Use.
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If the design of your vehicle needs improvement, let us know. If your vehicle is in proper operating
condition and there are problems with vehicle or equipment performance, send us an EIR. You, the user, are
the only one who can tell us what you don't like about your equipment. It is not necessary to show a new
design or a better way to perform a procedure. Just let us know why you don't like the design or
performance. Put it on an SF 368 (Quality Deficiency Report). Mail it to us at Commander, U.S. Army
Tank-Automotive and Armaments Command, ATTN: AMSTA-IM-MMAA Warren, Michigan 48397-5000.
We'll send you a reply.
1-1
