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|  MIL-T-46780D(AT)
replacement or overhaul of the engine, transmission transfer or differentials and shall have no
less than a .82 probability of completing the first 20 000 miles (11,400 miles for van models) of
operation without replacement or rebuild of body or frame.
3.1.3 Maintainability. The total scheduled maintenance, excluding driver/crew checks
and services shall be no more than 85 man-hours ( 40 man-hours for van models) and the total
unscheduled maintenance shall be no more than 92 man-hours (53 man-hours for van models)
during the first 20,000 miles (11,400 miles for van models of operation). This equated to a
Maintenance Ratio (MR) of .18 (.16 for van models) at 20 mph. The scheduled maintenance
intervals shall be 6 months or 6000 miles, whichever comes first.
3.2 Materials. Materials as specified herein and in the referenced drawings,
specifications and standards shall be free from all defects and imperfections that might affect the
serviceability and function of the finished product.
3.2.1 Qualified products. With respect to all assemblies and component parts requiring
product qualification in accordance with the pertinent specifications or drawings listed on the
EPL cited in Table II , and necessary in the construction of this vehicle, the contractor shall be
responsible for using only those products which are listed (by part or drawing number as QPL
items) on the QPL or which have been approved for inclusion on such lists. Manufacturer's
inspection records shall specifically list such component(s), name of supplier(s) (as listed on the
QPL or in the approval letter), and number and date of the QPL from which the selection was
made or date of approval letter when products are approved but not as yet listed on the QPL.
3.3 Construction. Vehicles shall be constructed in accordance with the drawings,
specifications, and standards listed or referred to in the Engineering Parts Lists (EPL's) specified
in Table II, and as supplemented herein. If more than 1 unit of a particular component is used in
or on the vehicle, the components used shall be identical in make, material and quality. The
riveting welding practices and quality shall be the same on each specific vehicle model. All
parts sub-assemblies and assemblies requiring identification shall be identified in accordance
with MIL-STD-130.
Table II. Engineering Part List
EPL-8736563
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Chassis Truck: 2 1/2 Ton 6X6, M45A2, W/Winch.
EPL-8736564
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Chassis, Truck: 2 1/2 Ton, 6X6, M45A2, WO/Winch.
EPL-8736565
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Chassis, Truck: 2 1/2 Ton, 6X6, M45A2, W/Winch.
EPL-8736566
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Truck Tank: Fuel Servicing, 1200 Gallon, 2 1/2 Ton, 6X6,
M49A2C, WO/Winch.
EPL-8736567
- Truck, Tank: Fuel Servicing, 1200 Gallon, 2 1/2 Ton, 6X6
M49A2C, W/Winch.
EPL-8736780
- Truck Tank: Water, 1000 Gallon, 2 1/2 Ton, 6X6 M50A3
W/Winch.
EPL-8736569
- Truck Van: Shop 2 1/2 Ton, 6X6, M109A3, WO/Winch.
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