It was officially passed into army service but follow - up trials indicated that it could not clear even 0.6 - 0.8 m deep snow .
The snowplow could be mounted on the ST - 26 in 15 min .
ST - 26 was officially passed into army service but follow - up trials indicated that ST - 26 could not clear even 0.6 - 0.8 m deep snow .
The snowplow could be mounted on the ST - 26 in 15 min .