You didnt need to have a range of 200km, and cruise at 70mph to get between number 14 and number 27 smith street and 2,000kg of payload. As for the payload - 4,

You didnt need to have a range of 200km, and cruise at 70mph to get between number 14 and number 27 smith street and 2,000kg of payload. As for the payload - 4,000 pints of milk seems a suitable load for a milkman to deliver before morning tea time.