I checked my manual, they use the same pictures and the dimensions are identical other than the weight. Your specification page is very nearly identical to mine. I am gonna guess that you have a Waterous pump too. I believe Waterous is cast into the front of the pump.
John Bean started as an agricultural equipment maker and the high pressure pump was one of their specialties, fire trucks were a side line. They built fire trucks to sell high pressure systems. I am pretty sure they never made their own volume pumps. I don't have any proof of that and others would know more than me about the issue.
Do you have the full Bean Manual?
Mac :{)
1962 K10 short step side, much modified for rally
1969 T50 fire truck, almost nos, needs a few things
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