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Self-Propelled Feed Mixer Built Onto Military Truck
Dairyman Jay Boldt needed a better way to produce total mixed rations for his 150-cow herd. His solution was to build a self-propelled machine by combining parts from a military semi tractor and a pull-type feed mixer.
"It's built entirely from used equipment, and any parts like chains or sprockets were all
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Self-Propelled Feed Mixer Built Onto Military Truck LIVESTOCK Feeding Equipment Dairyman Jay Boldt needed a better way to produce total mixed rations for his 150-cow herd His solution was to build a self-propelled machine by combining parts from a military semi tractor and a pull-type feed mixer It s built entirely from used equipment and any parts like chains or sprockets were all purchased online at surplus prices The entire project cost less than $25 000 says Boldt of Manitowoc Wis I saved a lot of money because the hydraulics alone on new commercial truck-mounted mixers cost about $40 000 And this rig eliminates the need for a $30 000 tractor to operate a pull-type mixer He paid $2 500 for the 5-ton 6-WD military truck and stretched the frame 7 ft to make room for the mixer He bought a used 600 cu ft pto-operated Lucknow vertical mixer for $16 000 and removed the axle mounting the mixer on the truck frame He chain-drives the mixer with a Detroit 4-71 150 hp engine equipped with a 4:1 gear reduction The engine is mounted backward behind the semi tractor s cab to get the proper direction to run the pto-operated mixer via a double 120 chain A tractor s pto turns in the opposite direction as this engine which is why I had to mount the engine backward explains Boldt Chain-driving the mixer this way allows me to keep the feed mixer s speed independent of the truck s travel speed He bought the engine from a friend for $1 200 The engine had just been rebuilt and had the clutch and gear reduction that I needed I mounted the radiator on the other side of the mixer and use belts and jackshafts to operate the radiator cooling fan The Detroit 4-71 wasn t my first choice in engines mainly because it s noisy but the price was right If the engine ever fails I can lift the mixer off and convert it back to a pull-type model A hydraulic pump off an old combine is used to open and close the mixer s gate and to operate the unloading conveyor Boldt says he s a big believer in the value of surplus military equipment The truck I bought was a mid 1970 s model but had only about 15 000 miles on it It was in great shape - the tires were literally brand new when I got it It s powered by a 250 cu in Cummins diesel engine that looked like it was put in yesterday Often you can find old military trucks that sell for little more than scrap price He says this is the fifth military truck he s bought over the years Military surplus is now sold online at govliquidation com and other sites You can find anything there from Cavalry horses to dentist chairs to locomotives and more Contact: FARM SHOW Followup Jay Boldt 7120 Co Rd C Manitowoc Wis 54220 ph 920 323-0987; boldtdairy@lakefield net
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