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MP Field Maintenance Trailer

Page history last edited by Michael 5 years, 5 months ago

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Based on the U.S. military M103A3 utility trailer. It's a two-wheel trailer with a contractor's/military towing lunette, and a "landing wheel" for when it's not attached to a towing vehicle. The trailer weighs 775 kg without any tools loaded; it's 2.6 tons maximum total weight off-road. 4.3 meters long, 2.4 meters wide, air over hydraulic brakes (and a mechanical parking brake), and (for the Morrow Project) 11x20 tires.

8 Morrow Project vehicle batteries are fitted, to provide 12,000 watt-hours of electricity (about 1 hour of continuous arc welding); there are four dome lights, and outlets for 12 volt and 28 volt DC power, 110-115 and 23-240 volt AC power, along with a fuse box. There are hose reel connections for electrical cords, grease. oil, water and pressurized air lines, mounts for acetylene tanks, a small air compressor, and a 230 amp arc welder (works on 230 volt AC power, with 3 meter cables, electrode holder, work clamp, thickness gauge, instruction manual, 3/16" electrodes; 40 kg for welding equipment total).

The trailer has doors on all sides, a fold-down work bench (with a vice) at the rear, and lots of drawers, cabinets, boxes, racks, brackets, etc..

The equipment provided with the trailer is:

master mechanic's tool set

This includes a pry bar, hand hacksaw blades & frame, mounting bracket, scratch wire brush, hand cold chisels, hand rivet buster chisel, spring tension clip, socket wrench extension, screw extractor set, hand file (Swiss & American patterns), contact point flat, half, round regular (with wood handle), mechanical finger, gap setting gage thickness gage, hand hammers, socket wrench handle, socket head screw key set, pocket knife, putty knife, retaining ring pliers set, diagonal cutting pliers, slip joint pliers, aligning punch, solid center punch, drive pin punch, magnetic retrieving tool, tools & accessories rolls, machinist's steel rule, phillips & standard & offset screwdriver set, flat tip screwdriver, offset screwdriver, screwdriver socket wrench attachments, socket wrench sets, stud remover & setter, two meter measuring tape, portable toolboxes, box wrench set, box & open end combination wrench set, open end (double-head) wrench set, attachment universal joint, adjustable auto wrench, adjustable open end wrench, adjustable wrench, open end box wrench, box (double head) wrench, open end tappet wrench, open end wrench, pipe wrench (heavy duty adjustable), curved & straight jaw vise grip type pliers.

Mass about 32 kg.

electronics test and repair kits
#	item	mass
1	TK-1001G electronic tool kit: soft-side black nylon case with 32 tools, includes circuit puller, multimeter, safety goggles, 11 screwdrivers, 6 precision screwdrivers, 25 watt soldering iron, desoldering wick, soldering stand, roll of rosin core solder, long nose pliers, diagonal cutter, wire stripper, tool mounting kit. Weight complete 2.5 kg.	2.5 kg
1	TK-101/G electronic tool kit: metal tackle box with all sorts of smaller socket wrenches, screw drivers, pliers, soldering iron and stand, diagonal cutters, etc.. Weight complete 5 kg.	5 kg
1	electrician's tool kit: an olive drab nylon roll bag, which includes a 9" hardened linesman's plier, 8" hardened diagonal plier, 8" hardened diagonal cutter, 8" chain nose plier, #1x4" Robertson screwdriver, #2x4" Robertson screwdriver, 5/16" x 6" mechanics tip screwdriver, #1x3" Phillips screwdriver, #2x4" Phillips screwdriver, #3x6" Phillips screwdriver, 9" cable cutter, 12" water pump pliers, 9" insulated linesman's knife, and a small wrench. All the parts are insulated against electrical shocks up to 1000 volts AC.	10 kg
total		17.5 kg