In plant Fire Truck

in plant fire truck it has a 6 cyl. continental engine 4 speed man. transmission ( col. shift),a john bean model r-70 800 psi pump driven from a transmission pto ,power steering, Can anyone help with year ,make, anything about it would be appreciated .
Update got it running with little effort runs and drives great ,I have determined it is a taskmaster built in il. the company has been closed for some time ,found more lettering after cleaning deeper Lordstown oh. gm. assembly plant that plant was built in 1966 ,so is this a 1966? There are no numbers or plates to be found on the machine so far.Also this little truck as pictured weighs 5700#.