The "ER" is from Republic of Moldova....Eastern Europe. If I`m not mistaken HeliHarvest has two Mi-17, the ER-MHA and ER-MHB.
All I can say about the Russian helicopters is this: leave them for two years outside exposed to the elements(snow, wind, sand) and then go back to them...put some fuel in them and they`ll start like if they were in use all these years. Rugged mashines. I can say I have quite some experience on these beasts(Mi-8 and Mi-17). They will get any job you want done. We had to lift 100 tons of construction materials to an altitude of 1800meters. We did it in 3 days because of bad visibility on the mountain top.
And I can confirm tecpilot`s numbers